cpython/Lib/test/test_pkgutil.py

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from test.support import run_unittest
Merged revisions 62350-62355,62358-62359,62364-62365,62370,62372-62375,62378-62379,62381 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r62350 | nick.coghlan | 2008-04-15 12:25:31 +0200 (Tue, 15 Apr 2008) | 1 line Issue 2439: add pkgutils.get_data() as a convenience wrapper for the PEP 302 get_data() API (contributed by Paul Moore) ........ r62351 | nick.coghlan | 2008-04-15 12:28:14 +0200 (Tue, 15 Apr 2008) | 1 line Add test file missing from rev 62350 ........ r62352 | benjamin.peterson | 2008-04-15 13:58:46 +0200 (Tue, 15 Apr 2008) | 2 lines Add myself to Doc/ACKS.txt ........ r62353 | andrew.kuchling | 2008-04-15 15:10:07 +0200 (Tue, 15 Apr 2008) | 6 lines Add *,**,@ to index, as suggested by http://farmdev.com/thoughts/24/what-does-the-def-star-variable-or-def-asterisk-parameter-syntax-do-in-python-/ The right entry type to use isn't clear; operator seems wrong, because *,**,@ aren't being used in expressions here. I put them as 'statement'; 'syntax' might be better. ........ r62354 | andrew.kuchling | 2008-04-15 15:10:41 +0200 (Tue, 15 Apr 2008) | 1 line Typo fix ........ r62355 | mark.dickinson | 2008-04-15 22:51:18 +0200 (Tue, 15 Apr 2008) | 3 lines Fix for possible signed overflow: the behaviour of -LONG_MIN is undefined in ANSI C. ........ r62358 | jeroen.ruigrok | 2008-04-16 14:47:01 +0200 (Wed, 16 Apr 2008) | 2 lines Reformat to 80 columns prior to adding documentation. ........ r62359 | jeroen.ruigrok | 2008-04-16 14:57:43 +0200 (Wed, 16 Apr 2008) | 2 lines Add details about the return value for mmap.flush(). ........ r62364 | raymond.hettinger | 2008-04-17 12:48:31 +0200 (Thu, 17 Apr 2008) | 1 line Issue 2648: Add leading zero to money format recipe in the docs. ........ r62365 | jeroen.ruigrok | 2008-04-17 14:39:45 +0200 (Thu, 17 Apr 2008) | 2 lines Be consistent in the use of read-only. ........ r62370 | andrew.kuchling | 2008-04-17 22:44:06 +0200 (Thu, 17 Apr 2008) | 1 line Typo fixes ........ r62372 | andrew.kuchling | 2008-04-18 04:40:47 +0200 (Fri, 18 Apr 2008) | 1 line Use correct parameter name ........ r62373 | andrew.kuchling | 2008-04-18 18:53:09 +0200 (Fri, 18 Apr 2008) | 1 line #2654: fix typo ........ r62374 | andrew.kuchling | 2008-04-18 20:28:23 +0200 (Fri, 18 Apr 2008) | 4 lines Remove personal note from Jim Roskind; it no longer applies, and the e-mail address is for a previous employer. Can we move the big long copyright statement into a sidebar or something? ........ r62375 | andrew.kuchling | 2008-04-18 20:39:55 +0200 (Fri, 18 Apr 2008) | 1 line Rewrite introductory section, and remove old section. (It was already commented-out, but why keep it?) ........ r62378 | skip.montanaro | 2008-04-18 22:35:46 +0200 (Fri, 18 Apr 2008) | 1 line resolve issue 2014 ........ r62379 | benjamin.peterson | 2008-04-18 22:45:33 +0200 (Fri, 18 Apr 2008) | 2 lines Fix indentation in sysmodule.c ........ r62381 | amaury.forgeotdarc | 2008-04-19 01:31:33 +0200 (Sat, 19 Apr 2008) | 3 lines Some tests did not pass on repeated calls (regrtest -R::) Perform additional cleanup, mostly deleting from sys.modules, or clearing the warnings registry. ........
2008-04-18 21:55:37 -03:00
import unittest
import sys
import imp
import pkgutil
import os
import os.path
import tempfile
import shutil
import zipfile
class PkgutilTests(unittest.TestCase):
def setUp(self):
self.dirname = tempfile.mkdtemp()
sys.path.insert(0, self.dirname)
def tearDown(self):
del sys.path[0]
shutil.rmtree(self.dirname)
def test_getdata_filesys(self):
pkg = 'test_getdata_filesys'
# Include a LF and a CRLF, to test that binary data is read back
RESOURCE_DATA = b'Hello, world!\nSecond line\r\nThird line'
# Make a package with some resources
package_dir = os.path.join(self.dirname, pkg)
os.mkdir(package_dir)
# Empty init.py
f = open(os.path.join(package_dir, '__init__.py'), "wb")
f.close()
# Resource files, res.txt, sub/res.txt
f = open(os.path.join(package_dir, 'res.txt'), "wb")
f.write(RESOURCE_DATA)
f.close()
os.mkdir(os.path.join(package_dir, 'sub'))
f = open(os.path.join(package_dir, 'sub', 'res.txt'), "wb")
f.write(RESOURCE_DATA)
f.close()
# Check we can read the resources
res1 = pkgutil.get_data(pkg, 'res.txt')
self.assertEqual(res1, RESOURCE_DATA)
res2 = pkgutil.get_data(pkg, 'sub/res.txt')
self.assertEqual(res2, RESOURCE_DATA)
del sys.modules[pkg]
def test_getdata_zipfile(self):
zip = 'test_getdata_zipfile.zip'
pkg = 'test_getdata_zipfile'
# Include a LF and a CRLF, to test that binary data is read back
RESOURCE_DATA = b'Hello, world!\nSecond line\r\nThird line'
# Make a package with some resources
zip_file = os.path.join(self.dirname, zip)
z = zipfile.ZipFile(zip_file, 'w')
# Empty init.py
z.writestr(pkg + '/__init__.py', "")
# Resource files, res.txt, sub/res.txt
z.writestr(pkg + '/res.txt', RESOURCE_DATA)
z.writestr(pkg + '/sub/res.txt', RESOURCE_DATA)
z.close()
# Check we can read the resources
sys.path.insert(0, zip_file)
res1 = pkgutil.get_data(pkg, 'res.txt')
self.assertEqual(res1, RESOURCE_DATA)
res2 = pkgutil.get_data(pkg, 'sub/res.txt')
self.assertEqual(res2, RESOURCE_DATA)
del sys.path[0]
del sys.modules[pkg]
class PkgutilPEP302Tests(unittest.TestCase):
class MyTestLoader(object):
def load_module(self, fullname):
# Create an empty module
mod = sys.modules.setdefault(fullname, imp.new_module(fullname))
mod.__file__ = "<%s>" % self.__class__.__name__
mod.__loader__ = self
# Make it a package
mod.__path__ = []
# Count how many times the module is reloaded
mod.__dict__['loads'] = mod.__dict__.get('loads',0) + 1
return mod
def get_data(self, path):
return "Hello, world!"
class MyTestImporter(object):
def find_module(self, fullname, path=None):
return PkgutilPEP302Tests.MyTestLoader()
def setUp(self):
sys.meta_path.insert(0, self.MyTestImporter())
def tearDown(self):
del sys.meta_path[0]
def test_getdata_pep302(self):
# Use a dummy importer/loader
self.assertEqual(pkgutil.get_data('foo', 'dummy'), "Hello, world!")
del sys.modules['foo']
def test_alreadyloaded(self):
# Ensure that get_data works without reloading - the "loads" module
# variable in the example loader should count how many times a reload
# occurs.
import foo
self.assertEqual(foo.loads, 1)
self.assertEqual(pkgutil.get_data('foo', 'dummy'), "Hello, world!")
self.assertEqual(foo.loads, 1)
del sys.modules['foo']
def test_main():
run_unittest(PkgutilTests, PkgutilPEP302Tests)
# this is necessary if test is run repeated (like when finding leaks)
import zipimport
zipimport._zip_directory_cache.clear()
Merged revisions 62350-62355,62358-62359,62364-62365,62370,62372-62375,62378-62379,62381 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r62350 | nick.coghlan | 2008-04-15 12:25:31 +0200 (Tue, 15 Apr 2008) | 1 line Issue 2439: add pkgutils.get_data() as a convenience wrapper for the PEP 302 get_data() API (contributed by Paul Moore) ........ r62351 | nick.coghlan | 2008-04-15 12:28:14 +0200 (Tue, 15 Apr 2008) | 1 line Add test file missing from rev 62350 ........ r62352 | benjamin.peterson | 2008-04-15 13:58:46 +0200 (Tue, 15 Apr 2008) | 2 lines Add myself to Doc/ACKS.txt ........ r62353 | andrew.kuchling | 2008-04-15 15:10:07 +0200 (Tue, 15 Apr 2008) | 6 lines Add *,**,@ to index, as suggested by http://farmdev.com/thoughts/24/what-does-the-def-star-variable-or-def-asterisk-parameter-syntax-do-in-python-/ The right entry type to use isn't clear; operator seems wrong, because *,**,@ aren't being used in expressions here. I put them as 'statement'; 'syntax' might be better. ........ r62354 | andrew.kuchling | 2008-04-15 15:10:41 +0200 (Tue, 15 Apr 2008) | 1 line Typo fix ........ r62355 | mark.dickinson | 2008-04-15 22:51:18 +0200 (Tue, 15 Apr 2008) | 3 lines Fix for possible signed overflow: the behaviour of -LONG_MIN is undefined in ANSI C. ........ r62358 | jeroen.ruigrok | 2008-04-16 14:47:01 +0200 (Wed, 16 Apr 2008) | 2 lines Reformat to 80 columns prior to adding documentation. ........ r62359 | jeroen.ruigrok | 2008-04-16 14:57:43 +0200 (Wed, 16 Apr 2008) | 2 lines Add details about the return value for mmap.flush(). ........ r62364 | raymond.hettinger | 2008-04-17 12:48:31 +0200 (Thu, 17 Apr 2008) | 1 line Issue 2648: Add leading zero to money format recipe in the docs. ........ r62365 | jeroen.ruigrok | 2008-04-17 14:39:45 +0200 (Thu, 17 Apr 2008) | 2 lines Be consistent in the use of read-only. ........ r62370 | andrew.kuchling | 2008-04-17 22:44:06 +0200 (Thu, 17 Apr 2008) | 1 line Typo fixes ........ r62372 | andrew.kuchling | 2008-04-18 04:40:47 +0200 (Fri, 18 Apr 2008) | 1 line Use correct parameter name ........ r62373 | andrew.kuchling | 2008-04-18 18:53:09 +0200 (Fri, 18 Apr 2008) | 1 line #2654: fix typo ........ r62374 | andrew.kuchling | 2008-04-18 20:28:23 +0200 (Fri, 18 Apr 2008) | 4 lines Remove personal note from Jim Roskind; it no longer applies, and the e-mail address is for a previous employer. Can we move the big long copyright statement into a sidebar or something? ........ r62375 | andrew.kuchling | 2008-04-18 20:39:55 +0200 (Fri, 18 Apr 2008) | 1 line Rewrite introductory section, and remove old section. (It was already commented-out, but why keep it?) ........ r62378 | skip.montanaro | 2008-04-18 22:35:46 +0200 (Fri, 18 Apr 2008) | 1 line resolve issue 2014 ........ r62379 | benjamin.peterson | 2008-04-18 22:45:33 +0200 (Fri, 18 Apr 2008) | 2 lines Fix indentation in sysmodule.c ........ r62381 | amaury.forgeotdarc | 2008-04-19 01:31:33 +0200 (Sat, 19 Apr 2008) | 3 lines Some tests did not pass on repeated calls (regrtest -R::) Perform additional cleanup, mostly deleting from sys.modules, or clearing the warnings registry. ........
2008-04-18 21:55:37 -03:00
if __name__ == '__main__':
test_main()