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test_pyenvlib.py
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executable file
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#!/usr/bin/env python
# emacs-mode: -*-python-*-
"""
test_pyenvlib -- uncompyle and verify Python libraries
Usage-Examples:
test_pyenvlib.py --all # decompile all tests (suite + libs)
test_pyenvlib.py --all --verify # decomyile all tests and verify results
test_pyenvlib.py --test # decompile only the testsuite
test_pyenvlib.py --2.7.12 --verify # decompile and verify python lib 2.7.11
test_pyenvlib.py --3.6.4 --max 10 # decompile first 10 of 3.6.4
Adding own test-trees:
Step 1) Edit this file and add a new entry to 'test_options', eg.
test_options['mylib'] = ('/usr/lib/mylib', PYOC, 'mylib')
Step 2: Run the test:
test_pyenvlib --mylib # decompile 'mylib'
test_pyenvlib --mylib --verify # decompile verify 'mylib'
"""
from __future__ import print_function
import os, time, re, shutil, sys
from fnmatch import fnmatch
from uncompyle6 import main, PYTHON3
import xdis.magics as magics
#----- configure this for your needs
python_versions = [v for v in magics.python_versions if
re.match('^[0-9.]+$', v)]
# FIXME: we should remove Python versions that we don't support.
# These include Jython, and Python bytecode changes pre release.
TEST_VERSIONS = (
'pypy3-2.4.0', 'pypy-2.6.1',
'pypy-5.0.1', 'pypy-5.3.1', 'pypy3.5-5.7.1-beta',
'pypy3.5-5.9.0', 'pypy3.5-6.0.0',
'native') + tuple(python_versions)
target_base = '/tmp/py-dis/'
lib_prefix = os.path.join(os.environ['HOME'], '.pyenv/versions')
PYC = ('*.pyc', )
PYO = ('*.pyo', )
PYOC = ('*.pyc', '*.pyo')
#-----
test_options = {
# name: (src_basedir, pattern, output_base_suffix)
'test': ('./test', PYOC, 'test'),
'max=': 200,
}
for vers in TEST_VERSIONS:
if vers.startswith('pypy'):
if vers.startswith('pypy3.'):
short_vers = vers[4:6]
else:
short_vers = vers[0:-2]
test_options[vers] = (os.path.join(lib_prefix, vers, 'lib_pypy'),
PYC, 'python-lib'+short_vers)
else:
if vers == 'native':
short_vers = os.path.basename(sys.path[-1])
test_options[vers] = (sys.path[-1],
PYC, short_vers)
else:
short_vers = vers[:3]
test_options[vers] = (os.path.join(lib_prefix, vers, 'lib', 'python'+short_vers),
PYC, 'python-lib'+short_vers)
def do_tests(src_dir, patterns, target_dir, start_with=None,
do_verify=False, max_files=200):
def visitor(files, dirname, names):
files.extend(
[os.path.normpath(os.path.join(dirname, n))
for n in names
for pat in patterns
if fnmatch(n, pat)])
files = []
cwd = os.getcwd()
os.chdir(src_dir)
if PYTHON3:
for root, dirname, names in os.walk(os.curdir):
files.extend(
[os.path.normpath(os.path.join(root, n))
for n in names
for pat in patterns
if fnmatch(n, pat)])
pass
pass
else:
os.path.walk(os.curdir, visitor, files)
os.chdir(cwd)
files.sort()
if start_with:
try:
start_with = files.index(start_with)
files = files[start_with:]
print('>>> starting with file', files[0])
except ValueError:
pass
if len(files) > max_files:
files = [file for file in files if not 'site-packages' in file]
files = [file for file in files if not 'test' in file]
if len(files) > max_files:
# print("Number of files %d - truncating to last 200" % len(files))
print("Number of files %d - truncating to first %s" %
(len(files), max_files))
files = files[:max_files]
print(time.ctime())
(tot_files, okay_files, failed_files,
verify_failed_files) = main.main(src_dir, target_dir, files, [], do_verify=do_verify)
print(time.ctime())
return verify_failed_files + failed_files
if __name__ == '__main__':
import getopt, sys
do_coverage = do_verify = False
test_dirs = []
start_with = None
test_options_keys = list(test_options.keys())
test_options_keys.sort()
opts, args = getopt.getopt(sys.argv[1:], '',
['start-with=', 'verify', 'verify-run', 'weak-verify',
'max=', 'coverage', 'all', ] \
+ test_options_keys )
vers = ''
for opt, val in opts:
if opt == '--verify':
do_verify = 'strong'
elif opt == '--weak-verify':
do_verify = 'weak'
elif opt == '--verify-run':
do_verify = 'verify-run'
elif opt == '--coverage':
do_coverage = True
elif opt == '--start-with':
start_with = val
elif opt[2:] in test_options_keys:
triple = test_options[opt[2:]]
vers = triple[-1]
test_dirs.append(triple)
elif opt == '--max':
test_options['max='] = int(val)
elif opt == '--all':
vers = 'all'
for val in test_options_keys:
test_dirs.append(test_options[val])
if do_coverage:
os.environ['SPARK_PARSER_COVERAGE'] = (
'/tmp/spark-grammar-%s.cover' % vers
)
failed = 0
for src_dir, pattern, target_dir in test_dirs:
if os.path.exists(src_dir):
target_dir = os.path.join(target_base, target_dir)
if os.path.exists(target_dir):
shutil.rmtree(target_dir, ignore_errors=1)
failed += do_tests(src_dir, pattern, target_dir, start_with,
do_verify, test_options['max='])
else:
print("### Path %s doesn't exist; skipping" % src_dir)
pass
pass
sys.exit(failed)
# python 1.5:
# test/re_tests memory error
# test/test_b1 memory error
# Verification notes:
# - xdrlib fails verification due the same lambda used twice
# (verification is successfull when using original .pyo as
# input)
#