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# -*- coding: utf-8 -*-
#
# Copyright (C) 2012-2013 Vinay Sajip.
# Licensed to the Python Software Foundation under a contributor agreement.
# See LICENSE.txt and CONTRIBUTORS.txt.
#
from __future__ import unicode_literals
from operator import attrgetter
import os
import sys
from compat import unittest
from support import DistlibTestCase, in_github_workflow
from distlib import DistlibException
from distlib.resources import finder, finder_for_path, ResourceCache
from distlib.util import get_cache_base
HERE = os.path.abspath(os.path.dirname(__file__))
IN_GITHUB_WORKFLOW = in_github_workflow()
class ZipResourceTestCase(DistlibTestCase):
def setUp(self):
sys.path.insert(0, os.path.join(HERE, 'foo.zip'))
def tearDown(self):
sys.path.pop(0)
def test_existing_resource(self):
f = finder('foo')
r = f.find('foo_resource.bin')
self.assertTrue(r)
self.assertEqual(r.bytes, b'more_data\n')
self.assertEqual(r.size, 10)
stream = r.as_stream()
self.assertEqual(stream.read(), b'more_data\n')
stream.close()
# can access subpackage bar's resources using subdir path ...
r = f.find('bar/bar_resource.bin')
self.assertTrue(r)
self.assertFalse(r.is_container)
self.assertEqual(r.bytes, b'data\n')
self.assertEqual(r.size, 5)
stream = r.as_stream()
self.assertEqual(stream.read(), b'data\n')
stream.close()
r = f.find('bar')
self.assertTrue(r)
self.assertTrue(r.is_container)
self.assertRaises(AttributeError, attrgetter('bytes'), r)
self.assertRaises(AttributeError, attrgetter('size'), r)
self.assertRaises(AttributeError, attrgetter('file_path'), r)
f = finder('foo.bar')
r = f.find('bar_resource.bin')
self.assertTrue(r)
self.assertEqual(r.bytes, b'data\n')
self.assertEqual(r.size, 5)
stream = r.as_stream()
self.assertEqual(stream.read(), b'data\n')
stream.close()
def test_nonexistent_resource(self):
f = finder('foo')
r = f.find('no_such_resource.bin')
self.assertIsNone(r)
def test_non_package(self):
self.assertRaises(DistlibException, finder, 'foo.bar.baz')
def test_contents(self):
f = finder('foo')
r = f.find('foo_resource.bin')
self.assertTrue(r)
self.assertRaises(AttributeError, attrgetter('resources'), r)
r = f.find('bar')
self.assertTrue(r)
expected = set(('bar_resource.bin', 'baz.py', '__init__.py'))
self.assertEqual(r.resources, expected)
def test_root_resources(self):
f = finder('foo')
r = f.find('')
self.assertTrue(r)
self.assertTrue(r.is_container)
expected = set(('foo_resource.bin', 'bar', '__init__.py'))
self.assertEqual(r.resources, expected)
def test_dir_in_zip(self):
sys.path[0] = '%s/lib' % os.path.join(HERE, 'bar.zip')
f = finder('barbar')
self.assertIsNone(f.find('readme.txt'))
r = f.find('bar_resource.bin')
self.assertTrue(r)
self.assertFalse(r.is_container)
f = finder('barbar.baz')
r = f.find('baz_resource.bin')
self.assertTrue(r)
self.assertFalse(r.is_container)
def test_finder_for_path(self):
f = finder_for_path(sys.path[0])
r = f.find('')
self.assertIsNotNone(r)
self.assertTrue(r.is_container)
p = os.path.join(sys.path[0], 'foo')
f = finder_for_path(p)
r = f.find('')
self.assertIsNotNone(r)
self.assertTrue(r.is_container)
def test_iterator(self):
f = finder('foo')
iterator = f.iterator('')
actual = set([(r.name, r.is_container) for r in iterator])
expected = set([('', True), ('foo_resource.bin', False), ('bar/bar_resource.bin', False), ('bar/baz.py', False),
('__init__.py', False), ('bar', True), ('bar/__init__.py', False)])
self.assertEqual(actual, expected)
iterator = f.iterator('bar')
actual = set([(r.name, r.is_container) for r in iterator])
expected = set([('bar/baz.py', False), ('bar', True), ('bar/bar_resource.bin', False),
('bar/__init__.py', False)])
self.assertEqual(actual, expected)
iterator = f.iterator('bar/bar_resource.bin')
actual = set([(r.name, r.is_container) for r in iterator])
self.assertEqual(actual, set([('bar/bar_resource.bin', False)]))
class FileResourceTestCase(DistlibTestCase):
def setUp(self):
sys.path.insert(0, HERE)
def tearDown(self):
sys.path.pop(0)
@unittest.skipIf(IN_GITHUB_WORKFLOW, 'This test is end-of-line dependent')
def test_existing_resource(self):
f = finder('foofoo')
r = f.find('foo_resource.bin')
self.assertTrue(r)
self.assertFalse(r.is_container)
self.assertEqual(r.bytes, b'more_data\n')
self.assertEqual(r.size, 10)
stream = r.as_stream()
self.assertEqual(stream.read(), b'more_data\n')
stream.close()
r = f.find('bar')
self.assertTrue(r)
self.assertTrue(r.is_container)
self.assertRaises(AttributeError, attrgetter('bytes'), r)
self.assertRaises(AttributeError, attrgetter('size'), r)
f = finder('foofoo.bar')
r = f.find('bar_resource.bin')
self.assertTrue(r)
self.assertFalse(r.is_container)
self.assertEqual(r.bytes, b'data\n')
self.assertEqual(r.size, 5)
stream = r.as_stream()
self.assertEqual(stream.read(), b'data\n')
stream.close()
def test_nonexistent_resource(self):
f = finder('foofoo')
r = f.find('no_such_resource.bin')
self.assertIsNone(r)
def test_contents(self):
f = finder('foofoo')
r = f.find('foo_resource.bin')
self.assertTrue(r)
self.assertRaises(AttributeError, attrgetter('resources'), r)
r = f.find('bar')
self.assertTrue(r)
expected = set(('bar_resource.bin', 'baz.py', '__init__.py'))
self.assertEqual(r.resources, expected)
def test_root_resources(self):
f = finder('foofoo')
r = f.find('')
self.assertTrue(r)
self.assertTrue(r.is_container)
expected = set(('foo_resource.bin', 'bar', '__init__.py', 'nested'))
self.assertEqual(r.resources, expected)
@unittest.skipIf(IN_GITHUB_WORKFLOW, 'This test is end-of-line dependent')
def test_nested(self):
f = finder('foofoo')
r = f.find('nested/nested_resource.bin')
self.assertTrue(r)
self.assertFalse(r.is_container)
self.assertEqual(r.bytes, b'nested data\n')
stream = r.as_stream()
self.assertEqual(stream.read(), b'nested data\n')
stream.close()
r = f.find('nested')
self.assertTrue(r)
self.assertTrue(r.is_container)
self.assertTrue(r)
self.assertEqual(r.resources, set(['nested_resource.bin']))
@unittest.skipIf(sys.version_info[0] != 2, 'This test on Python 2 only')
def test_bytes_path(self):
f = finder('foofoo')
for path in 'foo/b\xe7r', b'foo/b\xe7r':
self.assertEqual(type(f._make_path(path)), type(path))
def test_iterator(self):
f = finder('foofoo')
iterator = f.iterator('')
actual = set([(r.name, r.is_container) for r in iterator])
expected = set([
('', True),
('nested/nested_resource.bin', False),
('bar', True),
('__init__.py', False),
('nested', True),
('bar/bar_resource.bin', False),
('bar/__init__.py', False),
('bar/baz.py', False),
('foo_resource.bin', False),
])
self.assertEqual(actual, expected)
iterator = f.iterator('bar')
actual = set([(r.name, r.is_container) for r in iterator])
expected = set([('bar/baz.py', False), ('bar', True), ('bar/bar_resource.bin', False),
('bar/__init__.py', False)])
self.assertEqual(actual, expected)
iterator = f.iterator('bar/bar_resource.bin')
actual = set([(r.name, r.is_container) for r in iterator])
self.assertEqual(actual, set([('bar/bar_resource.bin', False)]))
class CacheTestCase(DistlibTestCase):
def test_base(self):
cache = ResourceCache()
expected = os.path.join(get_cache_base(), str('resource-cache'))
self.assertEqual(expected, cache.base)
self.assertTrue(os.path.isdir(expected))
def test_filepath(self):
path = os.path.join(HERE, 'foo.zip')
sys.path.insert(0, path)
self.addCleanup(sys.path.remove, path)
sys.path.insert(0, HERE)
self.addCleanup(sys.path.remove, HERE)
path = '%s/lib' % os.path.join(HERE, 'bar.zip')
sys.path.insert(0, path)
self.addCleanup(sys.path.remove, path)
cases = (('foo', 'foo_resource.bin'), ('foo', 'bar/bar_resource.bin'), ('foofoo', 'bar/bar_resource.bin'),
('barbar', 'bar_resource.bin'), ('barbar.baz', 'baz_resource.bin'))
for pkg, path in cases:
f = finder(pkg)
r = f.find(path)
fp = r.file_path
with open(fp, 'rb') as df:
data = df.read()
self.assertEqual(data, r.bytes)
if __name__ == '__main__': # pragma: no cover
unittest.main()
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