You've already forked python-uncompyle6
mirror of
https://github.com/rocky/python-uncompyle6.git
synced 2025-08-04 01:09:52 +08:00
Add a few tests from Python 2.7 standard library
This commit is contained in:
41
test/ok_lib2.7/dircache.py
Normal file
41
test/ok_lib2.7/dircache.py
Normal file
@@ -0,0 +1,41 @@
|
|||||||
|
"""Read and cache directory listings.
|
||||||
|
|
||||||
|
The listdir() routine returns a sorted list of the files in a directory,
|
||||||
|
using a cache to avoid reading the directory more often than necessary.
|
||||||
|
The annotate() routine appends slashes to directories."""
|
||||||
|
from warnings import warnpy3k
|
||||||
|
warnpy3k("the dircache module has been removed in Python 3.0", stacklevel=2)
|
||||||
|
del warnpy3k
|
||||||
|
|
||||||
|
import os
|
||||||
|
|
||||||
|
__all__ = ["listdir", "opendir", "annotate", "reset"]
|
||||||
|
|
||||||
|
cache = {}
|
||||||
|
|
||||||
|
def reset():
|
||||||
|
"""Reset the cache completely."""
|
||||||
|
global cache
|
||||||
|
cache = {}
|
||||||
|
|
||||||
|
def listdir(path):
|
||||||
|
"""List directory contents, using cache."""
|
||||||
|
try:
|
||||||
|
cached_mtime, list = cache[path]
|
||||||
|
del cache[path]
|
||||||
|
except KeyError:
|
||||||
|
cached_mtime, list = -1, []
|
||||||
|
mtime = os.stat(path).st_mtime
|
||||||
|
if mtime != cached_mtime:
|
||||||
|
list = os.listdir(path)
|
||||||
|
list.sort()
|
||||||
|
cache[path] = mtime, list
|
||||||
|
return list
|
||||||
|
|
||||||
|
opendir = listdir # XXX backward compatibility
|
||||||
|
|
||||||
|
def annotate(head, list):
|
||||||
|
"""Add '/' suffixes to directories."""
|
||||||
|
for i in range(len(list)):
|
||||||
|
if os.path.isdir(os.path.join(head, list[i])):
|
||||||
|
list[i] = list[i] + '/'
|
BIN
test/ok_lib2.7/dircache.pyc
Normal file
BIN
test/ok_lib2.7/dircache.pyc
Normal file
Binary file not shown.
224
test/ok_lib2.7/dis.py
Normal file
224
test/ok_lib2.7/dis.py
Normal file
@@ -0,0 +1,224 @@
|
|||||||
|
"""Disassembler of Python byte code into mnemonics."""
|
||||||
|
|
||||||
|
import sys
|
||||||
|
import types
|
||||||
|
|
||||||
|
from opcode import *
|
||||||
|
from opcode import __all__ as _opcodes_all
|
||||||
|
|
||||||
|
__all__ = ["dis", "disassemble", "distb", "disco",
|
||||||
|
"findlinestarts", "findlabels"] + _opcodes_all
|
||||||
|
del _opcodes_all
|
||||||
|
|
||||||
|
_have_code = (types.MethodType, types.FunctionType, types.CodeType,
|
||||||
|
types.ClassType, type)
|
||||||
|
|
||||||
|
def dis(x=None):
|
||||||
|
"""Disassemble classes, methods, functions, or code.
|
||||||
|
|
||||||
|
With no argument, disassemble the last traceback.
|
||||||
|
|
||||||
|
"""
|
||||||
|
if x is None:
|
||||||
|
distb()
|
||||||
|
return
|
||||||
|
if isinstance(x, types.InstanceType):
|
||||||
|
x = x.__class__
|
||||||
|
if hasattr(x, 'im_func'):
|
||||||
|
x = x.im_func
|
||||||
|
if hasattr(x, 'func_code'):
|
||||||
|
x = x.func_code
|
||||||
|
if hasattr(x, '__dict__'):
|
||||||
|
items = x.__dict__.items()
|
||||||
|
items.sort()
|
||||||
|
for name, x1 in items:
|
||||||
|
if isinstance(x1, _have_code):
|
||||||
|
print "Disassembly of %s:" % name
|
||||||
|
try:
|
||||||
|
dis(x1)
|
||||||
|
except TypeError, msg:
|
||||||
|
print "Sorry:", msg
|
||||||
|
print
|
||||||
|
elif hasattr(x, 'co_code'):
|
||||||
|
disassemble(x)
|
||||||
|
elif isinstance(x, str):
|
||||||
|
disassemble_string(x)
|
||||||
|
else:
|
||||||
|
raise TypeError, \
|
||||||
|
"don't know how to disassemble %s objects" % \
|
||||||
|
type(x).__name__
|
||||||
|
|
||||||
|
def distb(tb=None):
|
||||||
|
"""Disassemble a traceback (default: last traceback)."""
|
||||||
|
if tb is None:
|
||||||
|
try:
|
||||||
|
tb = sys.last_traceback
|
||||||
|
except AttributeError:
|
||||||
|
raise RuntimeError, "no last traceback to disassemble"
|
||||||
|
while tb.tb_next: tb = tb.tb_next
|
||||||
|
disassemble(tb.tb_frame.f_code, tb.tb_lasti)
|
||||||
|
|
||||||
|
def disassemble(co, lasti=-1):
|
||||||
|
"""Disassemble a code object."""
|
||||||
|
code = co.co_code
|
||||||
|
labels = findlabels(code)
|
||||||
|
linestarts = dict(findlinestarts(co))
|
||||||
|
n = len(code)
|
||||||
|
i = 0
|
||||||
|
extended_arg = 0
|
||||||
|
free = None
|
||||||
|
while i < n:
|
||||||
|
c = code[i]
|
||||||
|
op = ord(c)
|
||||||
|
if i in linestarts:
|
||||||
|
if i > 0:
|
||||||
|
print
|
||||||
|
print "%3d" % linestarts[i],
|
||||||
|
else:
|
||||||
|
print ' ',
|
||||||
|
|
||||||
|
if i == lasti: print '-->',
|
||||||
|
else: print ' ',
|
||||||
|
if i in labels: print '>>',
|
||||||
|
else: print ' ',
|
||||||
|
print repr(i).rjust(4),
|
||||||
|
print opname[op].ljust(20),
|
||||||
|
i = i+1
|
||||||
|
if op >= HAVE_ARGUMENT:
|
||||||
|
oparg = ord(code[i]) + ord(code[i+1])*256 + extended_arg
|
||||||
|
extended_arg = 0
|
||||||
|
i = i+2
|
||||||
|
if op == EXTENDED_ARG:
|
||||||
|
extended_arg = oparg*65536L
|
||||||
|
print repr(oparg).rjust(5),
|
||||||
|
if op in hasconst:
|
||||||
|
print '(' + repr(co.co_consts[oparg]) + ')',
|
||||||
|
elif op in hasname:
|
||||||
|
print '(' + co.co_names[oparg] + ')',
|
||||||
|
elif op in hasjrel:
|
||||||
|
print '(to ' + repr(i + oparg) + ')',
|
||||||
|
elif op in haslocal:
|
||||||
|
print '(' + co.co_varnames[oparg] + ')',
|
||||||
|
elif op in hascompare:
|
||||||
|
print '(' + cmp_op[oparg] + ')',
|
||||||
|
elif op in hasfree:
|
||||||
|
if free is None:
|
||||||
|
free = co.co_cellvars + co.co_freevars
|
||||||
|
print '(' + free[oparg] + ')',
|
||||||
|
print
|
||||||
|
|
||||||
|
def disassemble_string(code, lasti=-1, varnames=None, names=None,
|
||||||
|
constants=None):
|
||||||
|
labels = findlabels(code)
|
||||||
|
n = len(code)
|
||||||
|
i = 0
|
||||||
|
while i < n:
|
||||||
|
c = code[i]
|
||||||
|
op = ord(c)
|
||||||
|
if i == lasti: print '-->',
|
||||||
|
else: print ' ',
|
||||||
|
if i in labels: print '>>',
|
||||||
|
else: print ' ',
|
||||||
|
print repr(i).rjust(4),
|
||||||
|
print opname[op].ljust(15),
|
||||||
|
i = i+1
|
||||||
|
if op >= HAVE_ARGUMENT:
|
||||||
|
oparg = ord(code[i]) + ord(code[i+1])*256
|
||||||
|
i = i+2
|
||||||
|
print repr(oparg).rjust(5),
|
||||||
|
if op in hasconst:
|
||||||
|
if constants:
|
||||||
|
print '(' + repr(constants[oparg]) + ')',
|
||||||
|
else:
|
||||||
|
print '(%d)'%oparg,
|
||||||
|
elif op in hasname:
|
||||||
|
if names is not None:
|
||||||
|
print '(' + names[oparg] + ')',
|
||||||
|
else:
|
||||||
|
print '(%d)'%oparg,
|
||||||
|
elif op in hasjrel:
|
||||||
|
print '(to ' + repr(i + oparg) + ')',
|
||||||
|
elif op in haslocal:
|
||||||
|
if varnames:
|
||||||
|
print '(' + varnames[oparg] + ')',
|
||||||
|
else:
|
||||||
|
print '(%d)' % oparg,
|
||||||
|
elif op in hascompare:
|
||||||
|
print '(' + cmp_op[oparg] + ')',
|
||||||
|
print
|
||||||
|
|
||||||
|
disco = disassemble # XXX For backwards compatibility
|
||||||
|
|
||||||
|
def findlabels(code):
|
||||||
|
"""Detect all offsets in a byte code which are jump targets.
|
||||||
|
|
||||||
|
Return the list of offsets.
|
||||||
|
|
||||||
|
"""
|
||||||
|
labels = []
|
||||||
|
n = len(code)
|
||||||
|
i = 0
|
||||||
|
while i < n:
|
||||||
|
c = code[i]
|
||||||
|
op = ord(c)
|
||||||
|
i = i+1
|
||||||
|
if op >= HAVE_ARGUMENT:
|
||||||
|
oparg = ord(code[i]) + ord(code[i+1])*256
|
||||||
|
i = i+2
|
||||||
|
label = -1
|
||||||
|
if op in hasjrel:
|
||||||
|
label = i+oparg
|
||||||
|
elif op in hasjabs:
|
||||||
|
label = oparg
|
||||||
|
if label >= 0:
|
||||||
|
if label not in labels:
|
||||||
|
labels.append(label)
|
||||||
|
return labels
|
||||||
|
|
||||||
|
def findlinestarts(code):
|
||||||
|
"""Find the offsets in a byte code which are start of lines in the source.
|
||||||
|
|
||||||
|
Generate pairs (offset, lineno) as described in Python/compile.c.
|
||||||
|
|
||||||
|
"""
|
||||||
|
byte_increments = [ord(c) for c in code.co_lnotab[0::2]]
|
||||||
|
line_increments = [ord(c) for c in code.co_lnotab[1::2]]
|
||||||
|
|
||||||
|
lastlineno = None
|
||||||
|
lineno = code.co_firstlineno
|
||||||
|
addr = 0
|
||||||
|
for byte_incr, line_incr in zip(byte_increments, line_increments):
|
||||||
|
if byte_incr:
|
||||||
|
if lineno != lastlineno:
|
||||||
|
yield (addr, lineno)
|
||||||
|
lastlineno = lineno
|
||||||
|
addr += byte_incr
|
||||||
|
lineno += line_incr
|
||||||
|
if lineno != lastlineno:
|
||||||
|
yield (addr, lineno)
|
||||||
|
|
||||||
|
def _test():
|
||||||
|
"""Simple test program to disassemble a file."""
|
||||||
|
if sys.argv[1:]:
|
||||||
|
if sys.argv[2:]:
|
||||||
|
sys.stderr.write("usage: python dis.py [-|file]\n")
|
||||||
|
sys.exit(2)
|
||||||
|
fn = sys.argv[1]
|
||||||
|
if not fn or fn == "-":
|
||||||
|
fn = None
|
||||||
|
else:
|
||||||
|
fn = None
|
||||||
|
if fn is None:
|
||||||
|
f = sys.stdin
|
||||||
|
else:
|
||||||
|
f = open(fn)
|
||||||
|
source = f.read()
|
||||||
|
if fn is not None:
|
||||||
|
f.close()
|
||||||
|
else:
|
||||||
|
fn = "<stdin>"
|
||||||
|
code = compile(source, fn, "exec")
|
||||||
|
dis(code)
|
||||||
|
|
||||||
|
if __name__ == "__main__":
|
||||||
|
_test()
|
BIN
test/ok_lib2.7/dis.pyc
Normal file
BIN
test/ok_lib2.7/dis.pyc
Normal file
Binary file not shown.
Reference in New Issue
Block a user