Merge branch 'master' into python-2.4

to make the code is compatible. Fixes #146

.circleci/config.yml

@@ -1,89 +0,0 @@
-# This configuration was automatically generated from a CircleCI 1.0 config.
-# It should include any build commands you had along with commands that CircleCI
-# inferred from your project structure. We strongly recommend you read all the
-# comments in this file to understand the structure of CircleCI 2.0, as the idiom
-# for configuration has changed substantially in 2.0 to allow arbitrary jobs rather
-# than the prescribed lifecycle of 1.0. In general, we recommend using this generated
-# configuration as a reference rather than using it in production, though in most
-# cases it should duplicate the execution of your original 1.0 config.
-version: 2
-jobs:
-  build:
-    working_directory: ~/rocky/python-uncompyle6
-    parallelism: 1
-    shell: /bin/bash --login
-    # CircleCI 2.0 does not support environment variables that refer to each other the same way as 1.0 did.
-    # If any of these refer to each other, rewrite them so that they don't or see https://circleci.com/docs/2.0/env-vars/#interpolating-environment-variables-to-set-other-environment-variables .
-    environment:
-      CIRCLE_ARTIFACTS: /tmp/circleci-artifacts
-      CIRCLE_TEST_REPORTS: /tmp/circleci-test-results
-      COMPILE: --compile
-    # In CircleCI 1.0 we used a pre-configured image with a large number of languages and other packages.
-    # In CircleCI 2.0 you can now specify your own image, or use one of our pre-configured images.
-    # The following configuration line tells CircleCI to use the specified docker image as the runtime environment for you job.
-    # We have selected a pre-built image that mirrors the build environment we use on
-    # the 1.0 platform, but we recommend you choose an image more tailored to the needs
-    # of each job. For more information on choosing an image (or alternatively using a
-    # VM instead of a container) see https://circleci.com/docs/2.0/executor-types/
-    # To see the list of pre-built images that CircleCI provides for most common languages see
-    # https://circleci.com/docs/2.0/circleci-images/
-    docker:
-    - image: circleci/build-image:ubuntu-14.04-XXL-upstart-1189-5614f37
-      command: /sbin/init
-    steps:
-    # Machine Setup
-    #   If you break your build into multiple jobs with workflows, you will probably want to do the parts of this that are relevant in each
-    # The following `checkout` command checks out your code to your working directory. In 1.0 we did this implicitly. In 2.0 you can choose where in the course of a job your code should be checked out.
-    - checkout
-    # Prepare for artifact and test results  collection equivalent to how it was done on 1.0.
-    # In many cases you can simplify this from what is generated here.
-    # 'See docs on artifact collection here https://circleci.com/docs/2.0/artifacts/'
-    - run: mkdir -p $CIRCLE_ARTIFACTS $CIRCLE_TEST_REPORTS
-    # This is based on your 1.0 configuration file or project settings
-    - run:
-        working_directory: ~/rocky/python-uncompyle6
-        command: pyenv install 2.7.13 && pyenv local 2.7.13 && pyenv rehash && pip install virtualenv && pip install nose && pip install pep8 && pip install six && pyenv rehash
-    # Dependencies
-    #   This would typically go in either a build or a build-and-test job when using workflows
-    # Restore the dependency cache
-    - restore_cache:
-        keys:
-        # This branch if available
-        - v1-dep-{{ .Branch }}-
-        # Default branch if not
-        - v1-dep-master-
-        # Any branch if there are none on the default branch - this should be unnecessary if you have your default branch configured correctly
-        - v1-dep-
-    # This is based on your 1.0 configuration file or project settings
-    - run: pip install --upgrade setuptools
-    - run: pip install -e .
-    - run: pip install pytest==3.2.5 hypothesis
-    # Save dependency cache
-    - save_cache:
-        key: v1-dep-{{ .Branch }}-{{ epoch }}
-        paths:
-        # This is a broad list of cache paths to include many possible development environments
-        # You can probably delete some of these entries
-        - vendor/bundle
-        - ~/virtualenvs
-        - ~/.m2
-        - ~/.ivy2
-        - ~/.bundle
-        - ~/.go_workspace
-        - ~/.gradle
-        - ~/.cache/bower
-    # Test
-    #   This would typically be a build job when using workflows, possibly combined with build
-    # This is based on your 1.0 configuration file or project settings
-    - run: python ./setup.py develop && make check-2.7
-    - run: cd ./test/stdlib && pyenv local 2.7.13 && bash ./runtests.sh 'test_[p-z]*.py'
-    # Teardown
-    #   If you break your build into multiple jobs with workflows, you will probably want to do the parts of this that are relevant in each
-    # Save test results
-    - store_test_results:
-        path: /tmp/circleci-test-results
-    # Save artifacts
-    - store_artifacts:
-        path: /tmp/circleci-artifacts
-    - store_artifacts:
-        path: /tmp/circleci-test-results

.github/ISSUE_TEMPLATE/bug-report.md

@@ -1,77 +0,0 @@
----
-name: Bug report
-about: Tell us about uncompyle6 bugs
-
----
-
-<!-- __Note:__ Have you read https://github.com/rocky/python-uncompyle6/blob/master/HOW-TO-REPORT-A-BUG.md ?
-
-Please remove any of the optional sections if they are not applicable.
-
-Prerequisites
-
-* Make sure the bytecode you have can be disassembled with a
-  disassembler.
-* Don't put bytecode and corresponding source code on any service that
-  requires registration to download.
-* When you open a bug report there is no privacy. If the legitimacy of
-  the activity is deemed suspicous, I may flag it as suspicious,
-  making the issue even more easy to detect.
-
-Bug reports that violate a prerequisite may be discarded.
-
-Note that there are way more bug-fix requestors than there are bug
-fixers. If you want you need more immediate, confidential or urgent
-assistance
-
-http://www.crazy-compilers.com/decompyle/ offers a byte-code
-decompiler service for versions of Python up to 2.6.
-
--->
-
-## Description
-
-<!-- Add a clear and concise description of the bug. -->
-
-## How to Reproduce
-
-<!-- Please show both the input you gave and the
-output you got in describing how to reproduce the bug:
-
-or give a complete console log with input and output
-
-```console
-$ uncompyle6 <command-line-options>
-...
-$
-```
-
-Provide links to the Python bytecode. For example you can create a
-gist with the information. If you have the correct source code, you
-can add that too.
-
--->
-
-## Expected behavior
-
-<!-- Add a clear and concise description of what you expected to happen. -->
-
-## Environment
-
-<!-- _This section sometimes is optional but helpful to us._
-
-Please modify for your setup
-
-- Uncompyle6 version: output from  `uncompyle6 --version` or `pip show uncompyle6`
-- Python version: `python -V`
-- OS and Version: [e.g. Ubuntu bionic]
-
--->
-
-## Additional Environment or Context
-
-<!-- _This section is optional._
-
-Add any other context about the problem here or special environment setup.
-
--->

.github/ISSUE_TEMPLATE/feature-request.md

@@ -1,22 +0,0 @@
----
-name: Feature Request
-about: Tell us about a new feature that you would like to see in uncompyle6
-
----
-
-## Description
-
-<!-- Add a short description of the feature. This might
-include same input and output. -->
-
-## Background
-
-<!-- Add any additional background for the
-feature, for example: user scenarios, or the value of the feature. -->
-
-## Tests
-<!-- _This section is optional._
-
-Add text with suggestions on how to test the feature,
-if it is not obvious.
--->

.gitignore

@@ -1,15 +1,11 @@
-*.pyc
 *.pyo
+*.pyc
 *_dis
 *~
 /.cache
 /.eggs
-/.hypothesis
-/.idea
-/.pytest_cache
 /.python-version
 /.tox
-/.venv*
 /README
 /__pkginfo__.pyc
 /dist
@@ -18,7 +14,9 @@
 /tmp
 /uncompyle6.egg-info
 /unpyc
-ChangeLog
 __pycache__
 build
-nohup.out
+/.venv*
+/.idea
+/.hypothesis
+ChangeLog

.travis.yml

@@ -3,11 +3,7 @@ language: python
 sudo: false
 
 python:
-  - '3.5'
-  - '2.7'
-  - '2.6'
-  - '3.4'
-  - '3.6'
+  - '2.7' # this is a cheat here because travis doesn't do 2.4-2.6
 
 install:
 - pip install -e .

COPYING

@@ -1,674 +0,0 @@
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-    it under the terms of the GNU General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
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-    but WITHOUT ANY WARRANTY; without even the implied warranty of
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-    GNU General Public License for more details.
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-    along with this program.  If not, see <http://www.gnu.org/licenses/>.
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-    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
-    This is free software, and you are welcome to redistribute it
-    under certain conditions; type `show c' for details.
-
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-parts of the General Public License.  Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-<http://www.gnu.org/licenses/>.
-
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-into proprietary programs.  If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library.  If this is what you want to do, use the GNU Lesser General
-Public License instead of this License.  But first, please read
-<http://www.gnu.org/philosophy/why-not-lgpl.html>.

HISTORY.md

@@ -1,4 +1,4 @@
-This project has history of over 18 years spanning back to Python 1.5
+This project has history of over 17 years spanning back to Python 1.5
 
 There have been a number of people who have worked on this. I am awed
 by the amount of work, number of people who have contributed to this,

HOW-TO-REPORT-A-BUG.md

@@ -1,21 +1,6 @@
-<!-- markdown-toc start - Don't edit this section. Run M-x markdown-toc-refresh-toc -->
-**Table of Contents**
+# How to report a Bug
 
-- [The difficulty of the problem](#the-difficulty-of-the-problem)
-- [Is it really a bug?](#is-it-really-a-bug)
-    - [Do you have valid bytecode?](#do-you-have-valid-bytecode)
-    - [Semantic equivalence vs. exact source code](#semantic-equivalence-vs-exact-source-code)
-- [What to send (minimum requirements)](#what-to-send-minimum-requirements)
-- [What to send (additional helpful information)](#what-to-send-additional-helpful-information)
-    - [But I don't *have* the source code!](#but-i-dont-have-the-source-code)
-    - [But I don't *have* the source code and am incapable of figuring how how to do a hand disassembly!](#but-i-dont-have-the-source-code-and-am-incapable-of-figuring-how-how-to-do-a-hand-disassembly)
-- [Narrowing the problem](#narrowing-the-problem)
-- [Karma](#karma)
-- [Confidentiality of Bug Reports](#confidentiality-of-bug-reports)
-- [Ethics](#ethics)
-
-<!-- markdown-toc end -->
-# The difficulty of the problem
+## The difficulty of the problem
 
 This decompiler is a constant work in progress: Python keeps
 changing, and so does its code generation.
@@ -48,7 +33,7 @@ prescribed cases, the ill-defined amorphous cases as well will get
 handled as well.
 
 In sum, you may need to do some work to have the bug you have found
-handled before the hundreds of other bugs, and other things I could be
+handled before the hundreds of other bugs, and things I could be
 doing.
 
 No one is getting paid to work to work on this project, let alone the
@@ -56,10 +41,10 @@ bugs you may have an interest in. If you require decompiling bytecode
 immediately, consider using a decompilation service, listed further
 down in this document.
 
-# Is it really a bug?
+## Is it really a bug?
 
 
-## Do you have valid bytecode?
+### Do you have valid bytecode?
 
 As mentioned in README.rst, this project doesn't handle obfuscated
 code. See README.rst for suggestions for how to remove some kinds of
@@ -70,20 +55,7 @@ Python comes with a disassembly module called `dis`. A prerequisite
 module for this package, `xdis` has a cross-python version
 disassembler called `pydisasm`.
 
-## Semantic equivalence vs. exact source code
-
-Consider how Python compiles something like "(x*y) + 5". Early on
-Python creates an "abstract syntax tree" (AST) for this. And this is
-"abstract" in the sense that unimportant, redundant or unnecessary
-items have been removed. Here, this means that any notion that you
-wrote "x+y" in parenthesis is lost, since in this context they are
-unneeded. Also lost is the fact that the multiplication didn't have
-spaces around it while the addition did. It should not come as a
-surprise then that the bytecode which is derived from the AST also has
-no notion of such possible variation. Generally this kind of thing
-isn't noticed since the Python community has laid out a very rigid set
-of formatting guidelines; and it has largely beaten the community into
-compliance.
+### Semantic equivalence vs. exact source code
 
 Almost all versions of Python can perform some sort of code
 improvement that can't be undone. In earlier versions of Python it is
@@ -94,7 +66,7 @@ If the code emitted is semantically equivalent, then this isn't a bug.
 
 For example the code might be
 
-```python
+```
 if a:
   if b:
      x = 1
@@ -102,7 +74,7 @@ if a:
 
 and we might produce:
 
-```python
+```
 if a and b:
   x = 1
 ```
@@ -115,39 +87,28 @@ else:
 
 ```
 
-may come out as `elif` or vice versa.
+may come out as `elif`.
 
 
 As mentioned in the README, It is possible that Python changes what
 you write to be more efficient. For example, for:
 
 
-```python
+```
 if True:
   x = 5
 ```
 
 Python will generate code like:
 
-```python
+```
 x = 5
 ```
 
-Even more extreme, if your code is:
-
-```python
-if False:
-   x = 1
-   y = 2
-   # ...
-```
-
-Python will eliminate the entire "if" statement.
-
 So just because the text isn't the same, does not
 necessarily mean there's a bug.
 
-# What to send (minimum requirements)
+## What to send (minimum requirements)
 
 The basic requirement is pretty simple:
 
@@ -161,7 +122,7 @@ sending is too large.
 
 Also try to narrow the bug. See below.
 
-# What to send (additional helpful information)
+## What to send (additional helpful information)
 
 Some kind folks also give the invocation they used and the output
 which usually includes an error message produced. This is
@@ -174,7 +135,7 @@ provide the input command and the output from that, please give:
 * Python interpreter version used
 
 
-## But I don't *have* the source code!
+### But I don't *have* the source code!
 
 Sure, I get it. No problem. There is Python assembly code on parse
 errors, so simply by hand decompile that. To get a full disassembly,
@@ -182,7 +143,7 @@ use `pydisasm` from the [xdis](https://pypi.python.org/pypi/xdis)
 package. Opcodes are described in the documentation for
 the [dis](https://docs.python.org/3.6/library/dis.html) module.
 
-### But I don't *have* the source code and am incapable of figuring how to do a hand disassembly!
+### But I don't *have* the source code and am incapable of figuring how how to do a hand disassembly!
 
 Well, you could learn. No one is born into this world knowing how to
 disassemble Python bytecode. And as Richard Feynman once said, "What
@@ -194,7 +155,7 @@ Compilers](http://www.crazy-compilers.com/decompyle/) offers a
 byte-code decompiler service for versions of Python up to 2.6. (If
 there are others around let me know and I'll list them here.)
 
-# Narrowing the problem
+## Narrowing the problem
 
 I don't need or want the entire source code base for the file(s) or
 module(s) can't be decompiled. I just need those file(s) or module(s).
@@ -212,53 +173,22 @@ what doesn't. That is useful. Or maybe the same file will decompile
 properly on a neighboring version of Python. That is helpful too.
 
 In sum, the more you can isolate or narrow the problem, the more
-likely the problem will be fixed and fixed sooner.
+likley the problem will be fixed and fixed sooner.
 
-# Karma
-
-I realize that following the instructions given herein puts a bit of
-burden on the bug reporter. In my opinion, this is justified as
-attempts to balance somewhat the burden and effort needed to fix the
-bug and the attempts to balance number of would-be bug reporters with
-the number of bug fixers. Better bug reporters are more likely to move
-in the category of bug fixers.
-
-The barrier to reporting a big is pretty small: all you really need is
-a github account, and the ability to type something after clicking
-some buttons. So the reality is that many people just don't bother to
-read these instructions, let alone follow it to any simulacrum.
-
-And the reality is also that bugs sometimes get fixed even though
-these instructions are not followed.
-
-So one factors I may take into consideration is the bug reporter's karma.
-
-* Have you demonstrably contributed to open source? I may look at your
-  github profile to see what contributions you have made, how popular
-  those contributions are, or how popular you are.
-* How appreciative are you? Have you starred this project that you are
-  seeking help from? Have you starred _any_ github project? And the above
-  two kind of feed into ...
-* Attitude. Some people feel that they are doing me and the world a
-  great favor by just pointing out that there is a problem whose solution
-  would greatly benefit them. Perhaps this is why they feel that
-  instructions are not to be followed by them, nor any need for
-  showing evidence gratitude when help is offered them.
-
-# Confidentiality of Bug Reports
+## Confidentiality of Bug Reports
 
 When you report a bug, you are giving up confidentiality to the source
 code and the byte code. However, I would imagine that if you have
 narrowed the problem sufficiently, confidentiality of the little that
 remains would not be an issue.
 
-However feel free to remove any comments, and modify variable names
+However feel free to remove any commments, and modify variable names
 or constants in the source code.
 
-# Ethics
+## Ethics
 
 I do not condone using this program for unethical or illegal purposes.
-More detestable, at least to me, is asking for help to assist you in
+More detestful, at least to me, is asking for help to assist you in
 something that might not legitimate.
 
 Don't use the issue tracker for such solicitations. To try to stave

LICENSE

@@ -0,0 +1,22 @@
+Copyright (c) 2015 by Rocky Bernstein
+Copyright (c) 2000 by hartmut Goebel <h.goebel@crazy-compilers.com>
+Copyright (c) 1998-2002 John Aycock
+
+  Permission is hereby granted, free of charge, to any person obtaining
+  a copy of this software and associated documentation files (the
+  "Software"), to deal in the Software without restriction, including
+  without limitation the rights to use, copy, modify, merge, publish,
+  distribute, sublicense, and/or sell copies of the Software, and to
+  permit persons to whom the Software is furnished to do so, subject to
+  the following conditions:
+
+  The above copyright notice and this permission notice shall be
+  included in all copies or substantial portions of the Software.
+
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+  IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+  CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+  TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+  SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

MANIFEST.in

@@ -2,7 +2,7 @@ include README.rst
 include ChangeLog
 include HISTORY.md
 include HOW-TO-REPORT-A-BUG.md
-include COPYING
+include LICENSE
 include Makefile
 include requirements.txt
 include requirements-dev.txt

Makefile

@@ -27,18 +27,20 @@ check:
 check-short: pytest
 	$(MAKE) -C test check-short
 
-# Note for 2.6 use <=3.0.1 see requirements-dev.txt
 #: Tests for Python 2.7, 3.3 and 3.4
-check-2.6 check-2.7 check-3.3 check-3.4 check-3.5: pytest
+check-2.7 check-3.3 check-3.4: pytest
 	$(MAKE) -C test $@
 
 #: Tests for Python 3.2 and 3.5 - pytest doesn't work here
 # Or rather 3.5 doesn't work not on Travis
-check-3.0 check-3.1 check-3.2 check-3.6:
+check-3.0 check-3.1 check-3.2 check-3.5 check-3.6:
 	$(MAKE) -C test $@
 
 check-3.7: pytest
-	$(MAKE) -C test check
+
+#:Tests for Python 2.6 (doesn't have pytest)
+check-2.4 check-2.5 check-2.6:
+	$(MAKE) -C test $@
 
 #:PyPy 2.6.1 PyPy 5.0.1, or PyPy 5.8.0-beta0
 # Skip for now

NEWS

@@ -1,119 +1,3 @@
-uncompyle6 3.2.5 2019-12-30 Clearout sale
-
-- 3.7.2 Remove deprecation warning on regexp string that isn't raw
-- main.main() parameter `codes` is not used - note that
-- Improve Python 3.6+ control flow detection
-- More complete fragment instruction annotation for `imports`
-
-uncompyle6 3.2.4 2018-10-27 7x9 release
-
-- Bug fixes #180, #182, #187, #192
-- Enhancements #189
-- Internal improvements
-
-uncompyle6 3.2.3 2018-06-04 Michael Cohen flips and Fleetwood Redux
-
-- Python 1.3 support 3.0 bug and
-- fix botched parameter ordering of 3.x in last release
-
-uncompyle6 3.2.2 2018-06-04 When I'm 64
-
-- Python 3.0 support and bug fixes
-
-uncompyle6 3.2.1 2018-06-04 MF
-
-- Python 1.4 and 1.5 bug fixes
-
-uncompyle6 3.2.0 2018-05-19 Rocket Scientist
-
-- Add rudimentary 1.4 support (still a bit buggy)
-- add --tree+ option to show formatting rule, when it is constant
-- Python 2.7.15candidate1 support (via xdis)
-- bug fixes, especially for 3.7 (but 2.7 and 3.6 and others as well)
-
-uncompyle6 3.1.3 2018-04-16
-
-- Add some Python 3.7 rules, such as for handling LOAD_METHOD (not complete)
-- Fix some fragment bugs
-- small doc changes
-
-uncompyle6 3.1.2 2018-04-08 Eastern Orthodox Easter
-
-- Python 3.x subclass and call parsing fixes
-- Allow/note running on Python 3.1
-- improve 3.5+ BUILD_MAP_UNPACK
-- DRY instruction building code between 2.x and 3.x
-- expand testing
-
-uncompyle6 3.1.1 2018-04-01 Easter April Fool's
-
-Jesus on Friday's New York Times puzzle: "I'm stuck on 2A"
-
-- fill out 3.5+ BUILD_MAP_UNPACK (more work is needed)
-- fill out 3.4+ CALL_FUNCTION_... (more work is needed)
-- fill out 3.5 MAKE_FUNCTION  (more work is needed)
-- reduce 3.5, 3.6 control-flow bugs
-- reduce ambiguity in rules that lead to long (exponential?) parses
-- limit/isolate some 2.6/2.7,3.x grammar rules
-- more runtime testing of decompiled code
-- more removal of parenthesis around calls via setting precidence
-
-uncompyle6 3.1.0 2018-03-21 Equinox
-
-- Add code_deparse_with_offset() fragment function.
-- Correct paramenter call fragment deparse_code()
-- Lots of 3.6, 3.x, and 2.7 bug fixes
-  About 5% of 3.6 fail parsing now. But
-  semantics still needs much to be desired.
-
-uncompyle6 3.0.1 2018-02-17
-
-- All Python 2.6.9 standard library files weakly verify
-- Many 3.6 fixes. 84% of the first 200 standard library files weakly compile.
-  One more big push is needed to get the remaining to compile
-- Many decompilation fixes for other Python versions
-- Add more to the test framework
-- And more add tests target previous existing bugs more completely
-- sync recent license changes in metadata
-
-uncompyle6 3.0.0 2018-02-17
-
-- deparse_code() and lookalikes from the various semantic actions are
-  now deprecated. Instead use new API code_deparse() which makes the
-  version optional and bundles debug options into a dictionary.
-- License changed to GPL3.
-- Many Python 3.6 fixes, especially around handling EXTENDED_ARGS
-  Due to the reduction in operand size for JUMP's there are many
-  more EXTENDED_ARGS instructions which can be the targets
-  of jumps, and messes up the peephole-like analysis that is
-  done for control flow since we don't have something better in place.
-- Code has been reorganized to be more instruction nametuple based where it
-  has been more bytecode array based. There was and still is code that had
-  had magic numbers to advance instructions or to pick out operands.
-- Bug fixes in numerous other Python versions
-- Instruction display improved
-- Keep global statements in fixed order (from wangym5106)
-
-A bit more work is still needed for 3.6 especially in the area of
-function calls and definitions.
-
-
-uncompyle6 2.16.0 2018-02-17
-
-- API additions:
-  - add fragments.op_at_code_loc() and
-  - fragments.deparsed_find()_
-- Better 2.7 end_if and COME_FROM determination
-- Fix up 3.6+ CALL_FUNCTION_EX
-- Misc pydisasm fixes
-- Weird comprehension bug seen via new loctraceback
-- Fix Python 3.5+ CALL_FUNCTION_VAR and BUILD_LIST_UNPACK in call; with this
-  we can can handle 3.5+ f(a, b, *c, *d, *e) now
-
-uncompyle6 2.15.1 2018-02-05
-
-- More bug fixes and revert an improper bug fix in 2.15.0
-
 uncompyle6 2.15.0 2018-02-05 pycon2018.co
 
 - Bug fixes
@@ -159,7 +43,7 @@ Decompilation bug fixes, mostly 3.6 and pre 2.7
 - limit pypy customization to pypy
 - Add addr fields in COME_FROMS
 - Allow use of full instructions in parser reduction routines
-- Reduce grammar in Python 3 by specialization more to specific
+- Reduce grammar in Pythion 3 by specialization more to specific
   Python versions
 - Match Python AST names more closely when possible
 
@@ -177,7 +61,7 @@ uncompyle6 2.14.0 2017-11-26 johnnybamazing
   and remove used grammar rules
 - Fix a number of bytecode decompile problems
   (many more remain)
-- Add stdlib/runtests.sh for even more rigorous testing
+- Add stdlib/runtests.sh for even more rigourous testing
 
 uncompyle6 2.13.3 2017-11-13
 
@@ -201,7 +85,7 @@ Overall: better 3.6 decompiling and some much needed code refactoring and cleanu
   added to assist here. Ignoring errors may be okay because the fragment parser often just needs,
   well, *fragments*.
 - Distinguish RETURN_VALUE from RETURN_END_IF in exception bodies better in 3.6
-- bug in 3.x language changes: import queue via import Queue
+- bug in 3.x language changes: import queue va import Queue
 - reinstate some bytecode tests since decompiling has gotten better
 - Revise how to report a bug
 
@@ -236,8 +120,8 @@ uncompyle6 2.11.4 2017-08-15
 
 * scanner and parser now allow 3-part version string lookups,
   e.g. 2.7.1 We allow a float here, but if passed a string like '2.7'. or
-* unpin 3.5.1. xdis 3.5.4 has been release and fixes the problems we had. Use that.
-* some routines here moved to xdis. Use the xdis version
+* unpin 3.5.1. xdis 3.5.4 has been releasd and fixes the problems we had. Use that.
+* some routnes here moved to xdis. Use the xdis version
 * README.rst: Link typo Name is trepan2 now not trepan
 * xdis-forced change adjust for COMPARE_OP "is-not" in
   semanatic routines. We need "is not".
@@ -333,9 +217,9 @@ uncompyle6 2.9.8 2016-12-16
 - fix bug in --verify option
 - DRY (a little) control-flow detection
 - fix syntax in tuples with one element
-- if AST rule inheritance in Python 2.5
+- if AST rule inheritence in Python 2.5
 - NAME_MODULE removal for Python <= 2.4
-- verify call fixes for Python <= 2.4
+- verifycall fixes for Python <= 2.4
 - more Python lint
 
 uncompyle6 2.9.7 2016-12-16
@@ -371,7 +255,7 @@ uncompyle6 2.9.6 2016-11-20
   in the results.
 - better control flow debugging output
 - Python 2 and 3 detect structure code is more similar
-- Handle Docstrings with embedded triple quotes (""")
+- Handle Docstrings with embedded tiple quotes (""")
 
 uncompyle6 2.9.5 2016-11-13
 

README.rst

@@ -1,4 +1,4 @@
-|buildstatus| |Latest Version| |Supported Python Versions|
+|buildstatus|
 
 uncompyle6
 ==========
@@ -11,9 +11,8 @@ Introduction
 ------------
 
 *uncompyle6* translates Python bytecode back into equivalent Python
-source code. It accepts bytecodes from Python version 1.3 to version
-3.7, spanning over 22 years of Python releases. We include Dropbox's
-Python 2.5 bytecode and some PyPy bytecode.
+source code. It accepts bytecodes from Python version 1.5, and 2.1 to
+3.7 or so, including PyPy bytecode and Dropbox's Python 2.5 bytecode.
 
 Why this?
 ---------
@@ -30,11 +29,11 @@ CPython bytecode decompilers is the ability to deparse just
 *fragments* of source code and give source-code information around a
 given bytecode offset.
 
-I use the tree fragments to deparse fragments of code *at run time*
-inside my trepan_ debuggers_. For that, bytecode offsets are recorded
-and associated with fragments of the source code. This purpose,
-although compatible with the original intention, is yet a little bit
-different.  See this_ for more information.
+I use the tree fragments to deparse fragments of code inside my
+trepan_ debuggers_. For that, bytecode offsets are recorded and
+associated with fragments of the source code. This purpose, although
+compatible with the original intention, is yet a little bit different.
+See this_ for more information.
 
 Python fragment deparsing given an instruction offset is useful in
 showing stack traces and can be encorporated into any program that
@@ -53,17 +52,8 @@ You get the idea. This code pulls all of these forks together and
 *moves forward*. There is some serious refactoring and cleanup in this
 code base over those old forks.
 
-This demonstrably does the best in decompiling Python across all
-Python versions. And even when there is another project that only
-provides decompilation for subset of Python versions, we generally do
-demonstrably better for those as well.
-
-How can we tell? By taking Python bytecode that comes distributed with
-that version of Python and decompiling these.  Among those that
-successfully decompile, we can then make sure the resulting programs
-are syntactically correct by running the Python interpreter for that
-bytecode version.  Finally, in cases where the program has a test for
-itself, we can run the check on the decompiled code.
+This project has the most complete support for Python 3.3 and above
+and the best all-around Python support.
 
 We are serious about testing, and use automated processes to find
 bugs. In the issue trackers for other decompilers, you will find a
@@ -76,7 +66,7 @@ Requirements
 The code here can be run on Python versions 2.6 or later, PyPy 3-2.4,
 or PyPy-5.0.1.  Python versions 2.4-2.7 are supported in the
 python-2.4 branch.  The bytecode files it can read have been tested on
-Python bytecodes from versions 1.4, 2.1-2.7, and 3.0-3.6 and the
+Python bytecodes from versions 1.5, 2.1-2.7, and 3.0-3.6 and the
 above-mentioned PyPy versions.
 
 Installation
@@ -146,26 +136,26 @@ All of the Python decompilers that I have looked at have problems
 decompiling Python's control flow. In some cases we can detect an
 erroneous decompilation and report that.
 
-In older versions of Python it was possible to verify bytecode by
-decompiling bytecode, and then compiling using the Python interpreter
-for that bytecode version. Having done this the bytecode produced
-could be compared with the original bytecode. However as Python's code
-generation got better, this is no longer feasible.
+*Verification* is the process of decompiling bytecode, compiling with
+a Python for that bytecode version, and then comparing the bytecode
+produced by the decompiled/compiled program. Some allowance is made
+for inessential differences. But other semantically equivalent
+differences are not caught. For example ``1 and 0`` is decompiled to
+the equivalent ``0``; remnants of the first true evaluation (1) is
+lost when Python compiles this. When Python next compiles ``0`` the
+resulting code is simpler.
 
-There verification that we use that doesn't check bytecode for
-equivalence but does check to see if the resulting decompiled source
-is a valid Python program by running the Python interpreter. Because
-the Python language has changed so much, for best results you should
-use the same Python version in checking as was used in creating the
-bytecode.
+*Weak Verification*
+on the other hand doesn't check bytecode for equivalence but does
+check to see if the resulting decompiled source is a valid Python
+program by running the Python interpreter. Because the Python language
+has changed so much, for best results you should use the same Python
+Version in checking as used in the bytecode.
 
-There are however an interesting class of these programs that is
-readily available give stronger verification: those programs that
-when run check some computation, or even better themselves.
-
-And already Python has a set of programs like this: the test suite
-for the standard library that comes with Python. We have some
-code in `test/stdlib` to facilitate this kind of checking.
+Finally, we have automated running the standard Python tests after
+first compiling and decompiling the test program. Results here are a
+bit weak (if not better than most other Python decompilers). But over
+time this will probably get better.
 
 Python support is strongest in Python 2 for 2.7 and drops off as you
 get further away from that. Support is also probably pretty good for
@@ -175,21 +165,19 @@ that era was minimal)
 
 There is some work to do on the lower end Python versions which is
 more difficult for us to handle since we don't have a Python
-interpreter for versions 1.6, and 2.0.
+interpreter for versions 1.5, 1.6, and 2.0.
 
 In the Python 3 series, Python support is is strongest around 3.4 or
 3.3 and drops off as you move further away from those versions. Python
-3.0 is weird in that it in some ways resembles 2.6 more than it does
-3.1 or 2.7. Python 3.6 changes things drastically by using word codes
-rather than byte codes. As a result, the jump offset field in a jump
-instruction argument has been reduced. This makes the `EXTENDED_ARG`
-instructions are now more prevalent in jump instruction; previously
-they had been rare.  Perhaps to compensate for the additional
-`EXTENDED_ARG` instructions, additional jump optimization has been
-added. So in sum handling control flow by ad hoc means as is currently
-done is worse.
+3.6 changes things drastically by using word codes rather than byte
+codes. As a result, the jump offset field in a jump instruction
+argument has been reduced. This makes the `EXTENDED_ARG` instructions
+are now more prevalent in jump instruction; previously they had been
+rare.  Perhaps to compensate for the additional `EXTENDED_ARG`
+instructions, additional jump optimization has been added. So in sum
+handling control flow by ad hoc means as is currently done is worse.
 
-Between Python 3.5, 3.6 and 3.7 there have been major changes to the
+Also, between Python 3.5, 3.6 and 3.7 there have been major changes to the
 `MAKE_FUNCTION` and `CALL_FUNCTION` instructions.
 
 Currently not all Python magic numbers are supported. Specifically in
@@ -215,12 +203,11 @@ There is lots to do, so please dig in and help.
 See Also
 --------
 
-* https://github.com/zrax/pycdc : purports to support all versions of Python. It is written in C++ and is most accurate for Python versions around 2.7 and 3.3 when the code was more actively developed. Accuracy for more recent versions of Python 3 and early versions of Python are especially lacking. See its `issue tracker <https://github.com/zrax/pycdc/issues>`_ for details. Currently lightly maintained.
-* https://code.google.com/archive/p/unpyc3/ : supports Python 3.2 only. The above projects use a different decompiling technique than what is used here. Currently unmaintained.
-* https://github.com/figment/unpyc3/ : fork of above, but supports Python 3.3 only. Includes some fixes like supporting function annotations. Currently unmaintained.
-* https://github.com/wibiti/uncompyle2 : supports Python 2.7 only, but does that fairly well. There are situtations where `uncompyle6` results are incorrect while `uncompyle2` results are not, but more often uncompyle6 is correct when uncompyle2 is not. Because `uncompyle6` adheres to accuracy over idiomatic Python, `uncompyle2` can produce more natural-looking code when it is correct. Currently `uncompyle2` is lightly maintained. See its issue `tracker <https://github.com/wibiti/uncompyle2/issues>`_ for more details
-* `How to report a bug <https://github.com/rocky/python-uncompyle6/blob/master/HOW-TO-REPORT-A-BUG.md>`_
+* https://github.com/zrax/pycdc : supports all versions of Python and is written in C++. Support for later Python 3 versions is a bit lacking though.
+* https://code.google.com/archive/p/unpyc3/ : supports Python 3.2 only. The above projects use a different decompiling technique than what is used here.
+* https://github.com/figment/unpyc3/ : fork of above, but supports Python 3.3 only. Includes some fixes like supporting function annotations
 * The HISTORY_ file.
+* `How to report a bug <https://github.com/rocky/python-uncompyle6/blob/master/HOW-TO-REPORT-A-BUG.md>`_
 * https://github.com/rocky/python-xdis : Cross Python version disassembler
 * https://github.com/rocky/python-xasm : Cross Python version assembler
 * https://github.com/rocky/python-uncompyle6/wiki : Wiki Documents which describe the code and aspects of it in more detail
@@ -238,6 +225,3 @@ See Also
 .. _PJOrion: http://www.koreanrandom.com/forum/topic/15280-pjorion-%D1%80%D0%B5%D0%B4%D0%B0%D0%BA%D1%82%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5-%D0%BA%D0%BE%D0%BC%D0%BF%D0%B8%D0%BB%D1%8F%D1%86%D0%B8%D1%8F-%D0%B4%D0%B5%D0%BA%D0%BE%D0%BC%D0%BF%D0%B8%D0%BB%D1%8F%D1%86%D0%B8%D1%8F-%D0%BE%D0%B1%D1%84
 .. _Deobfuscator: https://github.com/extremecoders-re/PjOrion-Deobfuscator
 .. _Py2EXE: https://en.wikipedia.org/wiki/Py2exe
-.. |Supported Python Versions| image:: https://img.shields.io/pypi/pyversions/uncompyle6.svg
-.. |Latest Version| image:: https://badge.fury.io/py/uncompyle6.svg
-		 :target: https://badge.fury.io/py/uncompyle6

__pkginfo__.py

@@ -1,17 +1,3 @@
-# Copyright (C) 2018 Rocky Bernstein <rocky@gnu.org>
-#
-#  This program is free software: you can redistribute it and/or modify
-#  it under the terms of the GNU General Public License as published by
-#  the Free Software Foundation, either version 3 of the License, or
-#  (at your option) any later version.
-#
-#  This program is distributed in the hope that it will be useful,
-#  but WITHOUT ANY WARRANTY; without even the implied warranty of
-#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-#  GNU General Public License for more details.
-#
-#  You should have received a copy of the GNU General Public License
-#  along with this program.  If not, see <http://www.gnu.org/licenses/>.
 """uncompyle6 packaging information"""
 
 # To the extent possible we make this file look more like a
@@ -28,14 +14,12 @@ Copyright (C) 2015-2018 Rocky Bernstein <rb@dustyfeet.com>.
 
 classifiers =  ['Development Status :: 5 - Production/Stable',
                 'Intended Audience :: Developers',
-                'License :: OSI Approved :: GNU General Public License v3 (GPLv3)',
                 'Operating System :: OS Independent',
                 'Programming Language :: Python',
                 'Programming Language :: Python :: 2.4',
                 'Programming Language :: Python :: 2.5',
                 'Programming Language :: Python :: 2.6',
                 'Programming Language :: Python :: 2.7',
-                'Programming Language :: Python :: 3.0',
                 'Programming Language :: Python :: 3.1',
                 'Programming Language :: Python :: 3.2',
                 'Programming Language :: Python :: 3.3',
@@ -56,10 +40,9 @@ entry_points       = {
         'pydisassemble=uncompyle6.bin.pydisassemble:main',
     ]}
 ftp_url            = None
-install_requires   = ['spark-parser >= 1.8.7, < 1.9.0',
-                      'xdis >= 3.8.9, < 3.9.0']
-
-license            = 'GPL3'
+install_requires   = ['spark-parser >= 1.8.5, < 1.9.0',
+                      'xdis >= 3.6.9, < 3.7.0']
+license            = 'MIT'
 mailing_list       = 'python-debugger@googlegroups.com'
 modname            = 'uncompyle6'
 py_modules         = None

admin-tools/check-newer-versions.sh

@@ -16,7 +16,6 @@ if ! source ./setup-master.sh ; then
 fi
 cd ..
 for version in $PYVERSIONS; do
-    echo --- $version ---
     if ! pyenv local $version ; then
 	exit $?
     fi
@@ -24,5 +23,4 @@ for version in $PYVERSIONS; do
     if ! make check; then
 	exit $?
     fi
-    echo === $version ===
 done

admin-tools/check-older-versions.sh

@@ -15,7 +15,6 @@ fi
 
 cd ..
 for version in $PYVERSIONS; do
-    echo --- $version ---
     if ! pyenv local $version ; then
 	exit $?
     fi
@@ -23,5 +22,4 @@ for version in $PYVERSIONS; do
     if ! make check ; then
 	exit $?
     fi
-    echo === $version ===
 done

admin-tools/how-to-make-a-release.md

@@ -45,8 +45,6 @@
 
     $ source admin-tools/setup-python-2.4.sh
     $ git merge master
-	# Add and fix merge conflicts
-	$ git commit
 
 # Check against older versions
 

admin-tools/how-to-make-a-release.txt

@@ -0,0 +1,46 @@
+git pull
+
+Change version in uncompyle6/version.py
+source uncompyle6/version.py
+echo $VERSION
+git commit -m"Get ready for release $VERSION" .
+
+Update ChangeLog:
+  make ChangeLog
+
+Update NEWS from ChangeLog
+make check
+
+git commit --amend .
+
+git push
+
+Make sure pyenv is running
+# Pyenv
+
+source admin-tools/check-newer-versions.sh
+
+
+# Switch to python-2.4 and build that first...
+source admin-tools/setup-python-2.4
+
+rm ChangeLog
+git merge master
+
+Update NEWS from master branch
+
+git commit -m"Get ready for release $VERSION" .
+
+source admin-tools/check-older-versions.sh
+source admin-tools/check-newer-versions.sh
+
+make-dist-older.sh
+
+git tag release-python-2.4-$VERSION
+
+./make-dist-newer.sh
+
+git tag release-$VERSION
+
+
+twine upload dist/uncompyle6-${VERSION}*

admin-tools/pycdc-runtests.sh

@@ -1,15 +0,0 @@
-#!/bin/bash
-# Use pycdc to run our test/bytecode* test suite
-bs=${BASH_SOURCE[0]}
-testdir=$(dirname $bs)/../test
-fulldir=$(readlink -f $testdir)
-cd $fulldir
-for dir in bytecode_* ; do
-    echo ========= $dir ================
-    cd $fulldir/$dir
-    for file in *.pyc; do
-	if ! pycdc $file > /dev/null ; then
-	    echo -----  $dir/$file ------
-	fi
-    done
-done

admin-tools/pyenv-newer-versions

@@ -5,4 +5,4 @@ if [[ $0 == ${BASH_SOURCE[0]} ]] ; then
     echo "This script should be *sourced* rather than run directly through bash"
     exit 1
 fi
-export PYVERSIONS='3.5.5 3.6.8 3.7.2 2.6.9 3.3.7 2.7.15 3.2.6 3.1.5 3.4.8'
+export PYVERSIONS='3.5.3 3.6.3 2.6.9 3.3.6 2.7.14 3.4.2'

admin-tools/run-pyenvlib-test-all.sh

@@ -1,28 +0,0 @@
-#!/bin/bash
-# Runs test_pyenvlib.test on all versions of Python master.
-function finish {
-  cd $owd
-}
-
-# FIXME put some of the below in a common routine
-owd=$(pwd)
-trap finish EXIT
-
-cd $(dirname ${BASH_SOURCE[0]})
-if ! source ./pyenv-newer-versions ; then
-    exit $?
-fi
-if ! source ./setup-master.sh ; then
-    exit $?
-fi
-cd ../test
-for version in $PYVERSIONS; do
-    if ! pyenv local $version ; then
-	exit $?
-    fi
-    echo "====== Running test_pyenvlib.py on $version ====="
-    if ! python ./test_pyenvlib.py --weak-verify --max 800 --${version} ; then
-	exit $?
-    fi
-    echo "------ Done test_pyenvlib.py on $version -----"
-done

admin-tools/setup-master.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-PYTHON_VERSION=3.6.5
+PYTHON_VERSION=3.6.3
 
 # FIXME put some of the below in a common routine
 function finish {

admin-tools/uncompyle2-runtests.sh

@@ -1,32 +0,0 @@
-#!/bin/bash
-# Use pycdc to run our test/bytecode_2.7* test suite
-bs=${BASH_SOURCE[0]}
-topdir=$(dirname $bs)/..
-(cd $topdir && pyenv local 2.7.14)
-testdir=$topdir/test
-fulldir=$(readlink -f $testdir)
-cd $fulldir
-
-for bytecode in bytecode_2.7/*.pyc ; do
-    echo $bytecode
-    uncompyle2 $bytecode > /dev/null
-    echo ================ $bytecode rc: $? ==============
-done
-
-tmpdir=/tmp/test-2.7
-( cd bytecode_2.7_run &&
-      mkdir $tmpdir || true
-      for bytecode in *.pyc ; do
-	  shortname=$(basename $bytecode .pyc)
-	  echo $bytecode
-	  py_file=${tmpdir}/${shortname}.py
-	  typeset -i rc=0
-	  uncompyle2 $bytecode > $py_file
-	  rc=$?
-	  if (( rc == 0 )); then
-	      python $py_file
-	      rc=$?
-	  fi
-	  echo ================ $bytecode rc: $rc ==============
-      done
-)

admin-tools/update-sources.sh

@@ -0,0 +1,3 @@
+#!/bin/bash
+cd $(dirname ${BASH_SOURCE[0]})/..
+git pull

appveyor.yml

@@ -47,7 +47,7 @@ install:
 
   # Upgrade to the latest version of pip to avoid it displaying warnings
   # about it being out of date.
-  - "%PYTHON%\\python.exe -m pip install --disable-pip-version-check --user --upgrade pip"
+  - "pip install --disable-pip-version-check --user --upgrade pip"
 
   # Install the build dependencies of the project. If some dependencies contain
   # compiled extensions and are not provided as pre-built wheel packages,

circle.yml

@@ -0,0 +1,14 @@
+machine:
+    python:
+        version: 2.7.10
+    environment:
+        COMPILE: --compile
+
+dependencies:
+    override:
+        - pip install -e .
+        - pip install pytest==3.2.5 hypothesis
+test:
+    override:
+        - python ./setup.py develop && make check-2.7
+        - cd ./test/stdlib && pyenv local 2.7.10 && bash ./runtests.sh 'test_[f-i]*.py'

pytest/test_deparse.py

@@ -1,5 +1,5 @@
 import pytest
-from uncompyle6.semantics.fragments import code_deparse as deparse, deparsed_find
+from uncompyle6.semantics.fragments import deparse_code as deparse
 from uncompyle6 import PYTHON_VERSION, PYTHON3
 
 def map_stmts(x, y):
@@ -30,20 +30,18 @@ def list_comp():
     [y for y in range(3)]
 
 def get_parsed_for_fn(fn):
-    code = fn.__code__ if PYTHON3 else fn.func_code
-    return deparse(code, version=PYTHON_VERSION)
+    code = fn.func_code
+    return deparse(PYTHON_VERSION, code)
 
 def check_expect(expect, parsed, fn_name):
     debug = False
     i = 2
     max_expect = len(expect)
-    code = get_parsed_for_fn(fn_name)
     for name, offset in sorted(parsed.offsets.keys()):
         assert i+1 <= max_expect, (
             "%s: ran out if items in testing node" % fn_name)
         nodeInfo = parsed.offsets[name, offset]
         node = nodeInfo.node
-        nodeInfo2 = deparsed_find((name, offset), parsed, code)
         extractInfo = parsed.extract_node_info(node)
 
         assert expect[i] == extractInfo.selectedLine, \

pytest/test_docstring.py

@@ -10,7 +10,7 @@ else:
     maxint = sys.maxint
 from uncompyle6.semantics.helper import print_docstring
 
-class PrintFake():
+class PrintFake:
     def __init__(self):
         self.pending_newlines = 0
         self.f = StringIO()

pytest/test_fjt.py

@@ -1,6 +1,8 @@
 #!/usr/bin/env python
 from uncompyle6 import PYTHON_VERSION, IS_PYPY
 from uncompyle6.scanner import get_scanner
+from xdis.bytecode import Bytecode
+from array import array
 def bug(state, slotstate):
     if state:
         if slotstate is not None:
@@ -20,10 +22,17 @@ def bug_loop(disassemble, tb=None):
     disassemble(tb)
 
 def test_if_in_for():
-    code = bug.__code__
+    code = bug.func_code
     scan = get_scanner(PYTHON_VERSION)
     if 2.7 <= PYTHON_VERSION <= 3.0 and not IS_PYPY:
-        scan.build_instructions(code)
+        n = scan.setup_code(code)
+        bytecode = Bytecode(code, scan.opc)
+        scan.build_lines_data(code, n)
+        scan.insts = list(bytecode)
+        scan.offset2inst_index = {}
+        for i, inst in enumerate(scan.insts):
+            scan.offset2inst_index[inst.offset] = i
+        scan.build_prev_op(n)
         fjt = scan.find_jump_targets(False)
 
         ## FIXME: the data below is wrong.
@@ -38,7 +47,14 @@ def test_if_in_for():
         #    {'start': 62, 'end': 63, 'type': 'for-else'}]
 
         code = bug_loop.__code__
-        scan.build_instructions(code)
+        n = scan.setup_code(code)
+        bytecode = Bytecode(code, scan.opc)
+        scan.build_lines_data(code, n)
+        scan.insts = list(bytecode)
+        scan.build_prev_op(n)
+        scan.offset2inst_index = {}
+        for i, inst in enumerate(scan.insts):
+            scan.offset2inst_index[inst.offset] = i
         fjt = scan.find_jump_targets(False)
         assert{64: [42], 67: [42, 42], 42: [16, 41], 19: [6]} == fjt
         assert scan.structs == [
@@ -52,7 +68,14 @@ def test_if_in_for():
             {'start': 48, 'end': 67, 'type': 'while-loop'}]
 
     elif 3.2 < PYTHON_VERSION <= 3.4:
-        scan.build_instructions(code)
+        bytecode = Bytecode(code, scan.opc)
+        scan.code = array('B', code.co_code)
+        scan.build_lines_data(code)
+        scan.build_prev_op()
+        scan.insts = list(bytecode)
+        scan.offset2inst_index = {}
+        for i, inst in enumerate(scan.insts):
+            scan.offset2inst_index[inst.offset] = i
         fjt  = scan.find_jump_targets(False)
         assert {69: [66], 63: [18]} == fjt
         assert scan.structs == \
@@ -62,6 +85,5 @@ def test_if_in_for():
            {'end': 59, 'type': 'for-loop', 'start': 31},
            {'end': 63, 'type': 'for-else', 'start': 62}]
     else:
-        print("FIXME: should fix for %s" % PYTHON_VERSION)
-        assert True
+        assert True, "FIXME: should note fixed"
     return

pytest/test_fstring.py

@@ -1,154 +0,0 @@
-# std
-# test
-from uncompyle6 import PYTHON_VERSION, deparse_code
-import pytest
-pytestmark = pytest.mark.skipif(PYTHON_VERSION <= 2.6,
-                                reason='hypothesis needs 2.7 or later')
-if PYTHON_VERSION > 2.6:
-
-    import hypothesis
-    from hypothesis import strategies as st
-
-    # uncompyle6
-
-
-    @st.composite
-    def expressions(draw):
-        # todo : would be nice to generate expressions using hypothesis however
-        # this is pretty involved so for now just use a corpus of expressions
-        # from which to select.
-        return draw(st.sampled_from((
-            'abc',
-            'len(items)',
-            'x + 1',
-            'lineno',
-            'container',
-            'self.attribute',
-            'self.method()',
-            # These expressions are failing, I think these are control
-            # flow problems rather than problems with FORMAT_VALUE,
-            # however I need to confirm this...
-            #'sorted(items, key=lambda x: x.name)',
-            #'func(*args, **kwargs)',
-            #'text or default',
-            #'43 if life_the_universe and everything else None'
-        )))
-
-
-    @st.composite
-    def format_specifiers(draw):
-        """
-        Generate a valid format specifier using the rules:
-
-        format_spec ::=  [[fill]align][sign][#][0][width][,][.precision][type]
-        fill        ::=  <any character>
-        align       ::=  "<" | ">" | "=" | "^"
-        sign        ::=  "+" | "-" | " "
-        width       ::=  integer
-        precision   ::=  integer
-        type        ::=  "b" | "c" | "d" | "e" | "E" | "f" | "F" | "g" | "G" | "n" | "o" | "s" | "x" | "X" | "%"
-
-        See https://docs.python.org/2/library/string.html
-
-        :param draw: Let hypothesis draw from other strategies.
-
-        :return: An example format_specifier.
-        """
-        alphabet_strategy = st.characters(min_codepoint=ord('a'), max_codepoint=ord('z'))
-        fill = draw(st.one_of(alphabet_strategy, st.none()))
-        align = draw(st.sampled_from(list('<>=^')))
-        fill_align = (fill + align or '') if fill else ''
-
-        type_ = draw(st.sampled_from('bcdeEfFgGnosxX%'))
-        can_have_sign = type_ in 'deEfFgGnoxX%'
-        can_have_comma = type_ in 'deEfFgG%'
-        can_have_precision = type_ in 'fFgG'
-        can_have_pound = type_ in 'boxX%'
-        can_have_zero = type_ in 'oxX'
-
-        sign = draw(st.sampled_from(list('+- ') + [''])) if can_have_sign else ''
-        pound = draw(st.sampled_from(('#', '',))) if can_have_pound else ''
-        zero = draw(st.sampled_from(('0', '',))) if can_have_zero else ''
-
-        int_strategy = st.integers(min_value=1, max_value=1000)
-
-        width = draw(st.one_of(int_strategy, st.none()))
-        width = str(width) if width is not None else ''
-
-        comma = draw(st.sampled_from((',', '',))) if can_have_comma else ''
-        if can_have_precision:
-            precision = draw(st.one_of(int_strategy, st.none()))
-            precision = '.' + str(precision) if precision else ''
-        else:
-            precision = ''
-
-        return ''.join((fill_align, sign, pound, zero, width, comma, precision, type_,))
-
-
-    @st.composite
-    def fstrings(draw):
-        """
-        Generate a valid f-string.
-        See https://www.python.org/dev/peps/pep-0498/#specification
-
-        :param draw: Let hypothsis draw from other strategies.
-
-        :return: A valid f-string.
-        """
-        character_strategy = st.characters(
-            blacklist_characters='\r\n\'\\s{}',
-            min_codepoint=1,
-            max_codepoint=1000,
-        )
-        is_raw = draw(st.booleans())
-        integer_strategy = st.integers(min_value=0, max_value=3)
-        expression_count = draw(integer_strategy)
-        content = []
-        for _ in range(expression_count):
-            expression = draw(expressions())
-            conversion = draw(st.sampled_from(('', '!s', '!r', '!a',)))
-            has_specifier = draw(st.booleans())
-            specifier = ':' + draw(format_specifiers()) if has_specifier else ''
-            content.append('{{{}{}}}'.format(expression, conversion, specifier))
-            content.append(draw(st.text(character_strategy)))
-        content = ''.join(content)
-        return "f{}'{}'".format('r' if is_raw else '', content)
-
-
-    @pytest.mark.skipif(PYTHON_VERSION < 3.6, reason='need at least python 3.6')
-    @hypothesis.given(format_specifiers())
-    def test_format_specifiers(format_specifier):
-        """Verify that format_specifiers generates valid specifiers"""
-        try:
-            exec('"{:' + format_specifier + '}".format(0)')
-        except ValueError as e:
-            if 'Unknown format code' not in str(e):
-                raise
-
-
-    def run_test(text):
-        hypothesis.assume(len(text))
-        hypothesis.assume("f'{" in text)
-        expr = text + '\n'
-        code = compile(expr, '<string>', 'single')
-        deparsed = deparse_code(PYTHON_VERSION, code, compile_mode='single')
-        recompiled = compile(deparsed.text, '<string>', 'single')
-        if recompiled != code:
-            assert 'dis(' + deparsed.text.strip('\n') + ')' == 'dis(' + expr.strip('\n') + ')'
-
-
-    @pytest.mark.skipif(PYTHON_VERSION < 3.6, reason='need at least python 3.6')
-    @hypothesis.given(fstrings())
-    def test_uncompyle_fstring(fstring):
-        """Verify uncompyling fstring bytecode"""
-        run_test(fstring)
-
-
-    @pytest.mark.skipif(PYTHON_VERSION < 3.6, reason='need at least python 3.6')
-    @pytest.mark.parametrize('fstring', [
-        "f'{abc}{abc!s}'",
-        "f'{abc}0'",
-    ])
-    def test_uncompyle_direct(fstring):
-        """useful for debugging"""
-        run_test(fstring)

pytest/test_function_call.py

@@ -1,185 +0,0 @@
-import string
-from uncompyle6 import PYTHON_VERSION
-import pytest
-pytestmark = pytest.mark.skip(PYTHON_VERSION < 2.7,
-                              reason="need at least Python 2.7")
-
-if PYTHON_VERSION > 2.6:
-    from hypothesis import given, assume, example, settings, strategies as st
-    from validate import validate_uncompyle
-    from test_fstring import expressions
-
-    alpha = st.sampled_from(string.ascii_lowercase)
-    numbers = st.sampled_from(string.digits)
-    alphanum = st.sampled_from(string.ascii_lowercase + string.digits)
-
-
-    @st.composite
-    def function_calls(draw,
-                       min_keyword_args=0, max_keyword_args=5,
-                       min_positional_args=0, max_positional_args=5,
-                       min_star_args=0, max_star_args=1,
-                       min_double_star_args=0, max_double_star_args=1):
-        """
-        Strategy factory for generating function calls.
-
-        :param draw: Callable which draws examples from other strategies.
-
-        :return: The function call text.
-        """
-        st_positional_args = st.lists(
-            alpha,
-            min_size=min_positional_args,
-            max_size=max_positional_args
-        )
-        st_keyword_args = st.lists(
-            alpha,
-            min_size=min_keyword_args,
-            max_size=max_keyword_args
-        )
-        st_star_args = st.lists(
-            alpha,
-            min_size=min_star_args,
-            max_size=max_star_args
-        )
-        st_double_star_args = st.lists(
-            alpha,
-            min_size=min_double_star_args,
-            max_size=max_double_star_args
-        )
-
-        positional_args = draw(st_positional_args)
-        keyword_args = draw(st_keyword_args)
-        st_values = st.lists(
-            expressions(),
-            min_size=len(keyword_args),
-            max_size=len(keyword_args)
-        )
-        keyword_args = [
-            x + '=' + e
-            for x, e in
-            zip(keyword_args, draw(st_values))
-        ]
-        star_args = ['*' + x for x in draw(st_star_args)]
-        double_star_args = ['**' + x for x in draw(st_double_star_args)]
-
-        arguments = positional_args + keyword_args + star_args + double_star_args
-        draw(st.randoms()).shuffle(arguments)
-        arguments = ','.join(arguments)
-
-        function_call = 'fn({arguments})'.format(arguments=arguments)
-        try:
-            # TODO: Figure out the exact rules for ordering of positional, keyword,
-            # star args, double star args and in which versions the various
-            # types of arguments are supported so we don't need to check that the
-            # expression compiles like this.
-            compile(function_call, '<string>', 'single')
-        except:
-            assume(False)
-        return function_call
-
-
-    def test_function_no_args():
-        validate_uncompyle("fn()")
-
-    @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                        reason="need at least Python 2.7")
-    def isolated_function_calls(which):
-        """
-        Returns a strategy for generating function calls, but isolated to
-        particular types of arguments, for example only positional arguments.
-
-        This can help reason about debugging errors in specific types of function
-        calls.
-
-        :param which: One of 'keyword', 'positional', 'star', 'double_star'
-
-        :return: Strategy for generating an function call isolated to specific
-                 argument types.
-        """
-        kwargs = dict(
-            max_keyword_args=0,
-            max_positional_args=0,
-            max_star_args=0,
-            max_double_star_args=0,
-        )
-        kwargs['_'.join(('min', which, 'args'))] = 1
-        kwargs['_'.join(('max', which, 'args'))] = 5 if 'star' not in which else 1
-        return function_calls(**kwargs)
-
-
-    with settings(max_examples=25):
-
-        @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                            reason="need at least Python 2.7")
-        @given(isolated_function_calls('positional'))
-        @example("fn(0)")
-        def test_function_positional_only(expr):
-            validate_uncompyle(expr)
-
-        @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                            reason="need at least Python 2.7")
-        @given(isolated_function_calls('keyword'))
-        @example("fn(a=0)")
-        def test_function_call_keyword_only(expr):
-            validate_uncompyle(expr)
-
-        @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                            reason="need at least Python 2.7")
-        @given(isolated_function_calls('star'))
-        @example("fn(*items)")
-        def test_function_call_star_only(expr):
-            validate_uncompyle(expr)
-
-        @pytest.mark.skipif(PYTHON_VERSION < 2.7,
-                            reason="need at least Python 2.7")
-        @given(isolated_function_calls('double_star'))
-        @example("fn(**{})")
-        def test_function_call_double_star_only(expr):
-            validate_uncompyle(expr)
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_CONST_KEY_MAP_BUILD_MAP_UNPACK_WITH_CALL_BUILD_TUPLE_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(w=0,m=0,**v)")
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_MAP_BUILD_MAP_UNPACK_WITH_CALL_BUILD_TUPLE_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(a=0,**g)")
-
-
-    @pytest.mark.xfail()
-    def test_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(*g,**j)")
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_MAP_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(*z,u=0)")
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_TUPLE_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(**a)")
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_MAP_BUILD_TUPLE_BUILD_TUPLE_UNPACK_WITH_CALL_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(b,b,b=0,*a)")
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_TUPLE_BUILD_TUPLE_UNPACK_WITH_CALL_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(*c,v)")
-
-
-    @pytest.mark.xfail()
-    def test_BUILD_CONST_KEY_MAP_CALL_FUNCTION_EX():
-        validate_uncompyle("fn(i=0,y=0,*p)")
-
-
-    @pytest.mark.skip(reason='skipping property based test until all individual tests are passing')
-    @given(function_calls())
-    def test_function_call(function_call):
-        validate_uncompyle(function_call)

pytest/test_grammar.py

@@ -18,46 +18,46 @@ def test_grammar():
      right_recursive, dup_rhs) = p.check_sets()
 
     # We have custom rules that create the below
-    expect_lhs = set(['pos_arg', 'get_iter', 'attribute'])
+    expect_lhs = set(['expr1024', 'pos_arg', 'get_iter', 'attribute'])
 
     unused_rhs = set(['list', 'mkfunc',
                       'mklambda',
                       'unpack',])
     expect_right_recursive = set([('designList',
                                    ('store', 'DUP_TOP', 'designList'))])
-
-    if PYTHON_VERSION != 3.7:
-        unused_rhs.add('call')
-
-    if PYTHON_VERSION > 2.6:
-        expect_lhs.add('kvlist')
-        expect_lhs.add('kv3')
-        unused_rhs.add('dict')
-
     if PYTHON3:
         expect_lhs.add('load_genexpr')
+        expect_lhs.add('kvlist')
+        expect_lhs.add('kv3')
 
         unused_rhs = unused_rhs.union(set("""
-        except_pop_except generator_exp
+        except_pop_except generator_exp classdefdeco2
+        dict
         """.split()))
         if PYTHON_VERSION >= 3.0:
             expect_lhs.add("annotate_arg")
             expect_lhs.add("annotate_tuple")
             unused_rhs.add("mkfunc_annotate")
-            unused_rhs.add("dict_comp")
-            unused_rhs.add("classdefdeco1")
-            if PYTHON_VERSION >= 3.5:
-                expect_right_recursive.add((('l_stmts',
-                                             ('lastl_stmt', 'come_froms', 'l_stmts'))))
+            unused_rhs.add('call')
+            if PYTHON_VERSION < 3.6:
+                # 3.6 has at least one non-custom call rule
+                # the others don't
+                unused_rhs.add('call')
+                if PYTHON_VERSION == 3.5:
+                    expect_right_recursive.add((('l_stmts',
+                                                 ('lastl_stmt', 'COME_FROM', 'l_stmts'))))
+                    pass
                 pass
-            elif 3.0 < PYTHON_VERSION < 3.3:
+            else:
                 expect_right_recursive.add((('l_stmts',
                                              ('lastl_stmt', 'COME_FROM', 'l_stmts'))))
+                # expect_lhs.add('kwargs1')
                 pass
             pass
         pass
     else:
         expect_lhs.add('kwarg')
+        unused_rhs.add('call')
 
     assert expect_lhs == set(lhs)
     assert unused_rhs == set(rhs)
@@ -66,9 +66,9 @@ def test_grammar():
     expect_dup_rhs = frozenset([('COME_FROM',), ('CONTINUE',), ('JUMP_ABSOLUTE',),
                                 ('LOAD_CONST',),
                                 ('JUMP_BACK',), ('JUMP_FORWARD',)])
-    reduced_dup_rhs = dict((k, dup_rhs[k]) for k in dup_rhs if k not in expect_dup_rhs)
-    for k in reduced_dup_rhs:
-        print(k, reduced_dup_rhs[k])
+    # reduced_dup_rhs = {k: dup_rhs[k] for k in dup_rhs if k not in expect_dup_rhs}
+    # for k in reduced_dup_rhs:
+    #     print(k, reduced_dup_rhs[k])
     # assert not reduced_dup_rhs, reduced_dup_rhs
 
     s = get_scanner(PYTHON_VERSION, IS_PYPY)
@@ -85,8 +85,6 @@ def test_grammar():
             """.split())
     if 2.6 <= PYTHON_VERSION <= 2.7:
         opcode_set = set(s.opc.opname).union(ignore_set)
-        if PYTHON_VERSION == 2.6:
-            opcode_set.add("THEN")
         check_tokens(tokens, opcode_set)
     elif PYTHON_VERSION == 3.4:
         ignore_set.add('LOAD_CLASSNAME')

pytest/test_pysource.py

@@ -8,12 +8,8 @@ from uncompyle6.semantics.consts import (
 
 if PYTHON3:
     from io import StringIO
-    def iteritems(d):
-        return d.items()
 else:
     from StringIO import StringIO
-    def iteritems(d):
-        return d.iteritems()
 
 from uncompyle6.semantics.pysource import SourceWalker as SourceWalker
 
@@ -30,7 +26,7 @@ def test_template_engine():
     # FIXME: and so on...
 
 from uncompyle6.semantics.consts import (
-    TABLE_DIRECT, TABLE_R,
+    TABLE_R, TABLE_DIRECT,
     )
 
 from uncompyle6.semantics.fragments import (
@@ -44,7 +40,7 @@ def test_tables():
             (TABLE_DIRECT, 'TABLE_DIRECT', False),
             (TABLE_R, 'TABLE_R', False),
             (TABLE_DIRECT_FRAGMENT, 'TABLE_DIRECT_FRAGMENT', True)):
-        for k, entry in iteritems(t):
+        for k, entry in t.iteritems():
             if k in skip_for_now:
                 continue
             fmt = entry[0]

pytest/test_single_compile.py

@@ -1,9 +1,6 @@
-import pytest
-from uncompyle6 import PYTHON_VERSION, code_deparse
-pytestmark = pytest.mark.skip(PYTHON_VERSION < 2.7,
-                              reason="need at least Python 2.7")
+from uncompyle6 import PYTHON_VERSION, deparse_code
 
-if PYTHON_VERSION > 2.6:
+if PYTHON_VERSION >= 2.5:
     def test_single_mode():
         single_expressions = (
             'i = 1',
@@ -19,4 +16,4 @@ if PYTHON_VERSION > 2.6:
 
         for expr in single_expressions:
             code = compile(expr + '\n', '<string>', 'single')
-            assert code_deparse(code, compile_mode='single').text == expr + '\n'
+            assert deparse_code(PYTHON_VERSION, code, compile_mode='single').text == expr + '\n'

pytest/test_token.py

@@ -1,23 +0,0 @@
-from uncompyle6.scanners.tok import Token
-
-def test_token():
-    # Test token formatting of: LOAD_CONST None
-    t = Token('LOAD_CONST', offset=0, attr=None, pattr=None, has_arg=True)
-    expect = '           0  LOAD_CONST               None'
-    # print(t.format())
-    assert t
-    assert t.format() == expect
-
-    # Make sure equality testing of tokens ignores offset
-    t2 = Token('LOAD_CONST', offset=2, attr=None, pattr=None, has_arg=True)
-    assert t2 == t
-
-
-    # Make sure formatting of: LOAD_CONST False. We assume False is the 0th index
-    # of co_consts.
-    t = Token('LOAD_CONST', offset=1, attr=False, pattr=False, has_arg=True)
-    expect = '           1  LOAD_CONST            0  False'
-    assert t.format() == expect
-
-if __name__ == '__main__':
-    test_token()

pytest/testdata/if-2.7.right

@@ -8,5 +8,5 @@
            9  STORE_NAME            2  'b'
           12  JUMP_FORWARD          0  'to 15'
         15_0  COME_FROM            12  '12'
-          15  LOAD_CONST            0  None
-          18  RETURN_VALUE     
+          15  LOAD_CONST            0  ''
+          18  RETURN_VALUE

pytest/testdata/ifelse-2.7.right

@@ -11,5 +11,5 @@
    6      15  LOAD_CONST            1  2
           18  STORE_NAME            2  'd'
         21_0  COME_FROM            12  '12'
-          21  LOAD_CONST            2  None
-          24  RETURN_VALUE     
+          21  LOAD_CONST            2  ''
+          24  RETURN_VALUE

pytest/validate.py

@@ -1,27 +1,25 @@
-# future
-from __future__ import print_function
 # std
 import os
 import difflib
 import subprocess
 import tempfile
-import functools
+
+from StringIO import StringIO
 # uncompyle6 / xdis
-from uncompyle6 import PYTHON_VERSION, PYTHON3, IS_PYPY, deparse_code
+from uncompyle6 import PYTHON_VERSION, IS_PYPY, deparse_code
 # TODO : I think we can get xdis to support the dis api (python 3 version) by doing something like this there
 from xdis.bytecode import Bytecode
 from xdis.main import get_opcode
 opc = get_opcode(PYTHON_VERSION, IS_PYPY)
-Bytecode = functools.partial(Bytecode, opc=opc)
-import six
 
-if PYTHON3:
-    from io import StringIO
-else:
-    from StringIO import StringIO
+try:
+    import functools
+    Bytecode = functools.partial(Bytecode, opc=opc)
+    def _dis_to_text(co):
+        return Bytecode(co).dis()
+except:
+    pass
 
-def _dis_to_text(co):
-    return Bytecode(co).dis()
 
 
 def print_diff(original, uncompyled):
@@ -45,8 +43,11 @@ def print_diff(original, uncompyled):
         print('\nTo display diff highlighting run:\n    pip install BeautifulSoup4')
         diff = difflib.HtmlDiff().make_table(*args)
 
-    with tempfile.NamedTemporaryFile(delete=False) as f:
+    f = tempfile.NamedTemporaryFile(delete=False)
+    try:
         f.write(str(diff).encode('utf-8'))
+    finally:
+        f.close()
 
     try:
         print()
@@ -63,8 +64,7 @@ def print_diff(original, uncompyled):
         print('\nFor side by side diff install elinks')
         diff = difflib.Differ().compare(original_lines, uncompyled_lines)
         print('\n'.join(diff))
-    finally:
-        os.unlink(f.name)
+    os.unlink(f.name)
 
 
 def are_instructions_equal(i1, i2):
@@ -126,8 +126,9 @@ def validate_uncompyle(text, mode='exec'):
     original_text = text
 
     deparsed = deparse_code(PYTHON_VERSION, original_code,
+
                             compile_mode=mode,
-                            out=six.StringIO(),
+                            out=StringIO(),
                             is_pypy=IS_PYPY)
     uncompyled_text = deparsed.text
     uncompyled_code = compile(uncompyled_text, '<string>', 'exec')

requirements-dev.txt

@@ -1,2 +1,3 @@
+pytest>=3.0.0
 flake8
-hypothesis<=3.0.0
+hypothesis<=3.8.3

requirements.txt

@@ -1,4 +1,2 @@
 # Pick up stuff from setup.py
-hypothesis==2.0.0
-pytest
 -e .

setup.py

@@ -1,16 +1,16 @@
 #!/usr/bin/env python
-import sys
-
 """Setup script for the 'uncompyle6' distribution."""
 
+import sys
+
 SYS_VERSION = sys.version_info[0:2]
-if not ((2, 6) <= SYS_VERSION  <= (3, 7)):
-    mess = "Python Release 2.6 .. 3.7 are supported in this code branch."
-    if ((2, 4) <= SYS_VERSION <= (2, 7)):
-        mess += ("\nFor your Python, version %s, use the python-2.4 code/branch." %
+if not ((2, 4) <= SYS_VERSION  <= (2, 7)):
+    mess = "Python Release 2.4 .. 2.7 are supported in this code branch."
+    if ((3, 2) <= SYS_VERSION  <= (3, 7)):
+        mess += ("\nFor your Python, version %s, use the master code/branch." %
                  sys.version[0:3])
-    elif SYS_VERSION < (2, 4):
-        mess += ("\nThis package is not supported for Python version %s."
+    else:
+        mess += ("\nThis package is not supported before Python 2.4. Your Python version is %s."
                  % sys.version[0:3])
     print(mess)
     raise Exception(mess)

test-unit/test_grammar.py

@@ -0,0 +1,55 @@
+import re
+import unittest
+from uncompyle6 import PYTHON_VERSION, IS_PYPY # , PYTHON_VERSION
+from uncompyle6.parser import get_python_parser, python_parser
+
+class TestGrammar(unittest.TestCase):
+    def test_grammar(self):
+
+        def check_tokens(tokens, opcode_set):
+            remain_tokens = set(tokens) - opcode_set
+            remain_tokens = set([re.sub('_\d+$','', t) for t in remain_tokens])
+            remain_tokens = set([re.sub('_CONT$','', t) for t in remain_tokens])
+            remain_tokens = set(remain_tokens) - opcode_set
+            self.assertEqual(remain_tokens, set([]),
+                    "Remaining tokens %s\n====\n%s" % (remain_tokens, p.dump_grammar()))
+
+        p = get_python_parser(PYTHON_VERSION, is_pypy=IS_PYPY)
+        (lhs, rhs, tokens,
+         right_recursive, dup_rhs) = p.check_sets()
+        expect_lhs = set(['expr1024', 'pos_arg'])
+        unused_rhs = set(['list', 'call', 'mkfunc',
+                          'mklambda',
+                          'unpack',])
+
+        expect_right_recursive = frozenset([('designList',
+                                             ('store', 'DUP_TOP', 'designList'))])
+        expect_lhs.add('kwarg')
+
+        self.assertEqual(expect_lhs, set(lhs))
+        self.assertEqual(unused_rhs, set(rhs))
+        self.assertEqual(expect_right_recursive, right_recursive)
+
+        expect_dup_rhs = frozenset([('COME_FROM',), ('CONTINUE',), ('JUMP_ABSOLUTE',),
+                                    ('LOAD_CONST',),
+                                    ('JUMP_BACK',), ('JUMP_FORWARD',)])
+
+        reduced_dup_rhs = {}
+        for k in dup_rhs:
+            if k not in expect_dup_rhs:
+                reduced_dup_rhs[k] = dup_rhs[k]
+                pass
+            pass
+        for k in reduced_dup_rhs:
+            print(k, reduced_dup_rhs[k])
+        # assert not reduced_dup_rhs, reduced_dup_rhs
+
+    def test_dup_rule(self):
+        import inspect
+        python_parser(PYTHON_VERSION, inspect.currentframe().f_code,
+                      is_pypy=IS_PYPY,
+                      parser_debug={
+                          'dups': True, 'transition': False, 'reduce': False,
+                          'rules': False, 'errorstack': None, 'context': True})
+if __name__ == '__main__':
+    unittest.main()

test/.gitignore

@@ -1 +0,0 @@
-/nohup.out

test/Makefile

@@ -1,13 +1,12 @@
 PHONY=check clean dist distclean test test-unit test-functional rmChangeLog clean_pyc nosetests \
-      check-bytecode-1  check-bytecode-1.3 check-bytecode-1.4 check-bytecode-1.5 \
-      check-bytecode-2 check-bytecode-3 check-bytecode-3-short \
+      check-bytecode-1.5 check-bytecode-1 check-bytecode-2 check-bytecode-3 \
       check-bytecode-2.2 check-byteocde-2.3 check-bytecode-2.4 \
       check-short check-2.6 check-2.7 check-3.0 check-3.1 check-3.2 check-3.3 \
-      check-3.4 check-3.5 check-3.6 check-3.7 check-5.6 5.6 5.8 \
-      grammar-coverage-2.5 grammar-coverage-2.6 grammar-coverage-2.7 \
-      grammar-coverage-3.1 grammar-coverage-3.2 grammar-coverage-3.3 \
-      grammar-coverage-3.4 grammar-coverage-3.5 grammar-coverage-3.6 \
-      grammar-coverage-3.7
+      check-3.4 check-3.5 check-5.6 5.6 5.8 \
+      grammar-coverage-2.5 grammar-coverage-2.6 grammarcoverage-2.7 \
+      grammar-coverage-3.1 grammar-coverage-3.2 grammarcoverage-3.3 \
+      grammar-coverage-3.4 grammar-coverage-3.5 grammarcoverage-3.6
+
 
 GIT2CL ?= git2cl
 PYTHON ?= python
@@ -22,53 +21,43 @@ COVER_DIR=../tmp/grammar-cover
 # Run short tests
 check-short:
 	@$(PYTHON) -V && PYTHON_VERSION=`$(PYTHON) -V 2>&1 | cut -d ' ' -f 2 | cut -d'.' -f1,2`; \
-	$(MAKE) check-bytecode-short
+	$(MAKE) check-bytecode
 
 # Run all tests
 check:
 	$(MAKE) check-$(PYTHON_VERSION)
 
 #: Run working tests from Python 2.6 or 2.7
-check-2.6 check-2.7: check-bytecode-2 check-bytecode-3 check-bytecode-1 check-native-short
+check-2.4 check-2.5 check-2.6 check-2.7: check-bytecode-2 check-bytecode-3 check-bytecode-1  check-native-short
 
 #: Run working tests from Python 3.0
 check-3.0: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.0 --weak-verify $(COMPILE)
-	$(PYTHON) test_pythonlib.py --bytecode-3.0-run --verify-run
 
 #: Run working tests from Python 3.1
 check-3.1: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.1 --weak-verify $(COMPILE)
-	$(PYTHON) test_pythonlib.py --bytecode-3.1-run --verify-run
 
 #: Run working tests from Python 3.2
 check-3.2: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.2 --weak-verify $(COMPILE)
-	$(PYTHON) test_pythonlib.py --bytecode-3.2-run --verify-run
 
 #: Run working tests from Python 3.3
 check-3.3: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.3 --weak-verify $(COMPILE)
-	$(PYTHON) test_pythonlib.py --bytecode-3.3-run --verify-run
 
 #: Run working tests from Python 3.4
 check-3.4: check-bytecode check-3.4-ok check-2.7-ok
 	$(PYTHON) test_pythonlib.py --bytecode-3.4 --weak-verify $(COMPILE)
-	$(PYTHON) test_pythonlib.py --bytecode-3.4-run --verify-run
 
 #: Run working tests from Python 3.5
 check-3.5: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.5 --weak-verify $(COMPILE)
-	$(PYTHON) test_pythonlib.py --bytecode-3.5-run --verify-run
 
 #: Run working tests from Python 3.6
 check-3.6: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.6 --weak-verify $(COMPILE)
 
-#: Run working tests from Python 3.7
-check-3.7: check-bytecode
-	$(PYTHON) test_pythonlib.py --bytecode-3.7 --weak-verify $(COMPILE)
-
 # FIXME
 #: this is called when running under pypy3.5-5.8.0 or pypy2-5.6.0
 5.8 5.6:
@@ -78,7 +67,7 @@ check-disasm:
 	$(PYTHON) dis-compare.py
 
 #: Check deparsing bytecode 1.x only
-check-bytecode-1: check-bytecode-1.4 check-bytecode-1.5
+check-bytecode-1: check-bytecode-1.5
 
 #: Check deparsing bytecode 2.x only
 check-bytecode-2:
@@ -92,35 +81,14 @@ check-bytecode-3:
        --bytecode-3.1 --bytecode-3.2 --bytecode-3.3 \
        --bytecode-3.4 --bytecode-3.5 --bytecode-3.6 --bytecode-pypy3.2
 
-#: Check deparsing on selected bytecode 3.x
-check-bytecode-3-short:
-	$(PYTHON) test_pythonlib.py \
-       --bytecode-3.4 --bytecode-3.5 --bytecode-3.6
-
-#: Check deparsing bytecode on all Python 2 and Python 3 versions
+#: Check deparsing bytecode that works running Python 2 and Python 3
 check-bytecode: check-bytecode-3
 	$(PYTHON) test_pythonlib.py \
-	--bytecode-1.3 --bytecode-1.4 --bytecode-1.5 \
-        --bytecode-2.2 --bytecode-2.3 --bytecode-2.4 \
 	--bytecode-2.1 --bytecode-2.2 --bytecode-2.3 --bytecode-2.4 \
         --bytecode-2.5 --bytecode-2.6 --bytecode-2.7 \
         --bytecode-pypy2.7
 
 
-#: Check deparsing bytecode on selected Python 2 and Python 3 versions
-check-bytecode-short: check-bytecode-3-short
-	$(PYTHON) test_pythonlib.py \
-        --bytecode-2.6 --bytecode-2.7 --bytecode-pypy2.7
-
-
-#: Check deparsing bytecode 1.3 only
-check-bytecode-1.3:
-	$(PYTHON) test_pythonlib.py --bytecode-1.3
-
-#: Check deparsing bytecode 1.4 only
-check-bytecode-1.4:
-	$(PYTHON) test_pythonlib.py --bytecode-1.4
-
 #: Check deparsing bytecode 1.5 only
 check-bytecode-1.5:
 	$(PYTHON) test_pythonlib.py --bytecode-1.5
@@ -148,26 +116,26 @@ check-bytecode-2.5:
 #: Get grammar coverage for Python 2.4
 grammar-coverage-2.4:
 	-rm $(COVER_DIR)/spark-grammar-24.cover
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.4.cover $(PYTHON) test_pythonlib.py --bytecode-2.4
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.4.cover $(PYTHON) test_pyenvlib.py --2.4.6 --max= 800
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-24.cover $(PYTHON) test_pythonlib.py --bytecode-2.4
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-24.cover $(PYTHON) test_pyenvlib.py --2.4.6
 
 #: Get grammar coverage for Python 2.5
 grammar-coverage-2.5:
-	-rm $(COVER_DIR)/spark-grammar-2.5.cover || true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.5.cover $(PYTHON) test_pythonlib.py --bytecode-2.5
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.5.cover $(PYTHON) test_pyenvlib.py --2.5.6 --max=800
+	-rm $(COVER_DIR)/spark-grammar-25.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-25.cover $(PYTHON) test_pythonlib.py --bytecode-2.5
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-25.cover $(PYTHON) test_pyenvlib.py --2.5.6
 
 #: Get grammar coverage for Python 2.6
 grammar-coverage-2.6:
-	-rm $(COVER_DIR)/spark-grammar-2.6.cover || true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.6.cover $(PYTHON) test_pythonlib.py --bytecode-2.6
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.6.cover $(PYTHON) test_pyenvlib.py --2.6.9 --max=800
+	-rm $(COVER_DIR)/spark-grammar-26.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-26.cover $(PYTHON) test_pythonlib.py --bytecode-2.6
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-26.cover $(PYTHON) test_pyenvlib.py --2.6.9
 
 #: Get grammar coverage for Python 2.7
 grammar-coverage-2.7:
-	-rm $(COVER_DIR)/spark-grammar-2.7.cover || true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.7.cover $(PYTHON) test_pythonlib.py --bytecode-2.7
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-2.7.cover $(PYTHON) test_pyenvlib.py --2.7.14 --max=600
+	-rm $(COVER_DIR)/spark-grammar-27.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-27.cover $(PYTHON) test_pythonlib.py --bytecode-2.7
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-27.cover $(PYTHON) test_pyenvlib.py --2.7.13
 
 #: Get grammar coverage for Python 3.0
 grammar-coverage-3.0:
@@ -178,39 +146,33 @@ SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-30.cover $(PYTHON) test_pythonl
 
 #: Get grammar coverage for Python 3.1
 grammar-coverage-3.1:
-	-rm $(COVER_DIR)/spark-grammar-3.1.cover
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.1.cover $(PYTHON) test_pythonlib.py --bytecode-3.1
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.1.cover $(PYTHON) test_pyenvlib.py --3.1.5
+	-rm $(COVER_DIR)/spark-grammar-31.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-31.cover $(PYTHON) test_pythonlib.py --bytecode-3.1
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-31.cover $(PYTHON) test_pyenvlib.py --3.1.5
 
 #: Get grammar coverage for Python 3.2
 grammar-coverage-3.2:
-	-rm $(COVER_DIR)/spark-grammar-3.2.cover || true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.2.cover $(PYTHON) test_pythonlib.py --bytecode-3.2
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.2.cover $(PYTHON) test_pyenvlib.py --3.2.6
+	-rm $(COVER_DIR)/spark-grammar-32.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-32.cover $(PYTHON) test_pythonlib.py --bytecode-3.2
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-32.cover $(PYTHON) test_pyenvlib.py --3.2.6
 
 #: Get grammar coverage for Python 3.3
 grammar-coverage-3.3:
-	-rm $(COVER_DIR)/spark-grammar-3.3.cover || true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.3.cover $(PYTHON) test_pythonlib.py --bytecode-3.3
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.3.cover $(PYTHON) test_pyenvlib.py --3.3.7 --max=800
+	-rm $(COVER_DIR)/spark-grammar-33.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-33.cover $(PYTHON) test_pythonlib.py --bytecode-3.3
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-33.cover $(PYTHON) test_pyenvlib.py --3.3.6
 
 #: Get grammar coverage for Python 3.4
 grammar-coverage-3.4:
-	-rm $(COVER_DIR)/spark-grammar-3.4.cover || true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.4.cover $(PYTHON) test_pythonlib.py --bytecode-3.4
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.4.cover $(PYTHON) test_pyenvlib.py --3.4.8 --max=800
+	-rm $(COVER_DIR)/spark-grammar-34.cover
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-34.cover $(PYTHON) test_pythonlib.py --bytecode-3.4
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-34.cover $(PYTHON) test_pyenvlib.py --3.4.2
 
 #: Get grammar coverage for Python 3.5
 grammar-coverage-3.5:
-	rm $(COVER_DIR)/spark-grammar-3.5.cover || /bin/true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.5.cover $(PYTHON) test_pythonlib.py --bytecode-3.5
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.5.cover $(PYTHON) test_pyenvlib.py --3.5.5 --max=450
-
-#: Get grammar coverage for Python 3.6
-grammar-coverage-3.6:
-	rm $(COVER_DIR)/spark-grammar-3.6.cover || /bin/true
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.6.cover $(PYTHON) test_pythonlib.py --bytecode-3.6
-	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-3.6.cover $(PYTHON) test_pyenvlib.py --3.6.4 --max=280
+	rm $(COVER_DIR)/spark-grammar-35.cover || /bin/true
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-35.cover $(PYTHON) test_pythonlib.py --bytecode-3.5
+	SPARK_PARSER_COVERAGE=$(COVER_DIR)/spark-grammar-35.cover $(PYTHON) test_pyenvlib.py --3.5.3
 
 #: Check deparsing Python 2.6
 check-bytecode-2.6:
@@ -225,17 +187,14 @@ check-bytecode-2.7:
 #: Check deparsing Python 3.0
 check-bytecode-3.0:
 	$(PYTHON) test_pythonlib.py --bytecode-3.0 --weak-verify
-	$(PYTHON) test_pythonlib.py --bytecode-3.0-run --verify-run
 
 #: Check deparsing Python 3.1
 check-bytecode-3.1:
 	$(PYTHON) test_pythonlib.py --bytecode-3.1 --weak-verify
-	$(PYTHON) test_pythonlib.py --bytecode-3.1-run --verify-run
 
 #: Check deparsing Python 3.2
 check-bytecode-3.2:
 	$(PYTHON) test_pythonlib.py --bytecode-3.2 --weak-verify
-	$(PYTHON) test_pythonlib.py --bytecode-3.2-run --verify-run
 
 #: Check deparsing Python 3.3
 check-bytecode-3.3:
@@ -257,15 +216,15 @@ check-bytecode-3.6:
 	$(PYTHON) test_pythonlib.py --bytecode-3.6 --weak-verify
 	$(PYTHON) test_pythonlib.py --bytecode-3.6-run --verify-run
 
-#: Check deparsing Python 3.7
-check-bytecode-3.7:
-	$(PYTHON) test_pythonlib.py --bytecode-3.7 --weak-verify
-
 #: short tests for bytecodes only for this version of Python
 check-native-short:
 	$(PYTHON) test_pythonlib.py --bytecode-$(PYTHON_VERSION) --weak-verify $(COMPILE)
 	$(PYTHON) test_pythonlib.py --bytecode-$(PYTHON_VERSION)-run --verify-run $(COMPILE)
 
+#: Run longer Python 2.6's lib files known to be okay
+check-2.4-ok:
+	$(PYTHON) test_pythonlib.py --ok-2.4 --verify $(COMPILE)
+
 #: Run longer Python 2.6's lib files known to be okay
 check-2.6-ok:
 	$(PYTHON) test_pythonlib.py --ok-2.6 --weak-verify $(COMPILE)
@@ -287,7 +246,7 @@ check-3.4-ok:
 2.6:
 
 #: PyPy 5.0.x with Python 2.7 ...
-pypy-2.7 5.0 5.3 6.0:
+pypy-2.7 5.0 5.3:
 	$(PYTHON) test_pythonlib.py --bytecode-pypy2.7 --verify
 
 #: PyPy 2.4.x with Python 3.2 ...

test/bytecode_2.4_run/README

@@ -1,5 +1,5 @@
 These are byte-compiled programs compiled by Python 2.4
 
-Furthermore, the programs here are self-checking: when decompiled and
-then run again in a 2.4 interpreter, they are likely to give an error when they
+Furthrmore the programs here are self-checking: when decompiled and
+then run again in a 2.4 interpreter, they will give an error if they
 are miscompiled.

test/bytecode_2.5_run/README

@@ -1,5 +1,5 @@
 These are byte-compiled programs compiled by Python 2.5.
 
-Furthermore the programs here are self-checking: when decompiled and
-then run again in a 2.5 interpreter, they are likely to give an error
-when they are miscompiled.
+Furthrmore the programs here are self-checking: when decompiled and
+then run again in a 2.5 interpreter, they will give an error if they
+are miscompiled.