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from __future__ import print_function
import unittest
from test import test_support as support
import os
import sys
# Setup bsddb warnings
try:
bsddb = support.import_module('bsddb', deprecated=True)
except unittest.SkipTest:
pass
class NoAll(RuntimeError):
pass
class FailedImport(RuntimeError):
pass
class AllTest(unittest.TestCase):
def check_all(self, modname):
names = {}
with support.check_warnings((".* (module|package)",
DeprecationWarning), quiet=True):
try:
exec "import %s" % modname in names
except:
# Silent fail here seems the best route since some modules
# may not be available or not initialize properly in all
# environments.
raise FailedImport(modname)
if not hasattr(sys.modules[modname], "__all__"):
raise NoAll(modname)
names = {}
try:
exec "from %s import *" % modname in names
except Exception as e:
# Include the module name in the exception string
self.fail("__all__ failure in {}: {}: {}".format(
modname, e.__class__.__name__, e))
if "__builtins__" in names:
del names["__builtins__"]
keys = set(names)
all = set(sys.modules[modname].__all__)
self.assertEqual(keys, all)
def walk_modules(self, basedir, modpath):
for fn in sorted(os.listdir(basedir)):
path = os.path.join(basedir, fn)
if os.path.isdir(path):
pkg_init = os.path.join(path, '__init__.py')
if os.path.exists(pkg_init):
yield pkg_init, modpath + fn
for p, m in self.walk_modules(path, modpath + fn + "."):
yield p, m
continue
if not fn.endswith('.py') or fn == '__init__.py':
continue
yield path, modpath + fn[:-3]
def test_all(self):
# Blacklisted modules and packages
blacklist = set([
# Will raise a SyntaxError when compiling the exec statement
'__future__',
])
if not sys.platform.startswith('java'):
# In case _socket fails to build, make this test fail more gracefully
# than an AttributeError somewhere deep in CGIHTTPServer.
import _socket
# rlcompleter needs special consideration; it import readline which
# initializes GNU readline which calls setlocale(LC_CTYPE, "")... :-(
try:
import rlcompleter
import locale
except ImportError:
pass
else:
locale.setlocale(locale.LC_CTYPE, 'C')
ignored = []
failed_imports = []
lib_dir = os.path.dirname(os.path.dirname(__file__))
for path, modname in self.walk_modules(lib_dir, ""):
m = modname
blacklisted = False
while m:
if m in blacklist:
blacklisted = True
break
m = m.rpartition('.')[0]
if blacklisted:
continue
if support.verbose:
print(modname)
try:
# This heuristic speeds up the process by removing, de facto,
# most test modules (and avoiding the auto-executing ones).
with open(path, "rb") as f:
if "__all__" not in f.read():
raise NoAll(modname)
self.check_all(modname)
except NoAll:
ignored.append(modname)
except FailedImport:
failed_imports.append(modname)
if support.verbose:
print('Following modules have no __all__ and have been ignored:',
ignored)
print('Following modules failed to be imported:', failed_imports)
def test_main():
support.run_unittest(AllTest)
if __name__ == "__main__":
test_main()
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