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