def make_zip_script(zip_dir, zip_basename, script_name, name_in_zip=None):
zip_filename = zip_basename+os.extsep+'zip'
zip_name = os.path.join(zip_dir, zip_filename)
zip_file = zipfile.ZipFile(zip_name, 'w')
if name_in_zip is None:
parts = script_name.split(os.sep)
if len(parts) >= 2 and parts[-2] == '__pycache__':
legacy_pyc = make_legacy_pyc(source_from_cache(script_name))
name_in_zip = os.path.basename(legacy_pyc)
script_name = legacy_pyc
else:
name_in_zip = os.path.basename(script_name)
zip_file.write(script_name, name_in_zip)
zip_file.close()
#if test.support.verbose:
# zip_file = zipfile.ZipFile(zip_name, 'r')
# print 'Contents of %r:' % zip_name
# zip_file.printdir()
# zip_file.close()
return zip_name, os.path.join(zip_name, name_in_zip)
python类source_from_cache()的实例源码
def make_zip_script(zip_dir, zip_basename, script_name, name_in_zip=None):
zip_filename = zip_basename+os.extsep+'zip'
zip_name = os.path.join(zip_dir, zip_filename)
zip_file = zipfile.ZipFile(zip_name, 'w')
if name_in_zip is None:
parts = script_name.split(os.sep)
if len(parts) >= 2 and parts[-2] == '__pycache__':
legacy_pyc = make_legacy_pyc(source_from_cache(script_name))
name_in_zip = os.path.basename(legacy_pyc)
script_name = legacy_pyc
else:
name_in_zip = os.path.basename(script_name)
zip_file.write(script_name, name_in_zip)
zip_file.close()
#if test.support.verbose:
# zip_file = zipfile.ZipFile(zip_name, 'r')
# print 'Contents of %r:' % zip_name
# zip_file.printdir()
# zip_file.close()
return zip_name, os.path.join(zip_name, name_in_zip)
def cache_zip_file(self, zip_path):
"""Read a zip file and cache the modules and packages found inside it.
"""
zip = zipfile.ZipFile(zip_path)
for archiveName in zip.namelist():
baseName, ext = os.path.splitext(archiveName)
if ext not in ('.pyc', '.pyo'):
continue
if '__pycache__' in baseName:
if not baseName.endswith(imp.get_tag()):
continue
baseName = \
os.path.splitext(imp.source_from_cache(archiveName))[0]
nameparts = baseName.split("/")
if len(nameparts) > 1 and nameparts[-1] == '__init__':
# dir/__init__.pyc -> dir is a package
self.record_loadable_module(nameparts[:-1], None, zip, True)
self.record_loadable_module(nameparts, archiveName, zip, False)
def test_source_from_cache(self):
# Given the path to a PEP 3147 defined .pyc file, return the path to
# its source. This tests the good path.
self.assertEqual(imp.source_from_cache(
'/foo/bar/baz/__pycache__/qux.{}.pyc'.format(self.tag)),
'/foo/bar/baz/qux.py')
def test_source_from_cache_bad_path(self):
# When the path to a pyc file is not in PEP 3147 format, a ValueError
# is raised.
self.assertRaises(
ValueError, imp.source_from_cache, '/foo/bar/bazqux.pyc')
def test_source_from_cache_no_slash(self):
# No slashes at all in path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, 'foo.cpython-32.pyc')
def test_source_from_cache_too_few_dots(self):
# Too few dots in final path component -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, '__pycache__/foo.pyc')
def test_source_from_cache_too_many_dots(self):
# Too many dots in final path component -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache,
'__pycache__/foo.cpython-32.foo.pyc')
def test_write_pyfile(self):
with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
fn = __file__
if fn.endswith('.pyc') or fn.endswith('.pyo'):
path_split = fn.split(os.sep)
if os.altsep is not None:
path_split.extend(fn.split(os.altsep))
if '__pycache__' in path_split:
fn = imp.source_from_cache(fn)
else:
fn = fn[:-1]
zipfp.writepy(fn)
bn = os.path.basename(fn)
self.assertNotIn(bn, zipfp.namelist())
self.assertTrue(bn + 'o' in zipfp.namelist() or
bn + 'c' in zipfp.namelist())
with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
fn = __file__
if fn.endswith(('.pyc', '.pyo')):
fn = fn[:-1]
zipfp.writepy(fn, "testpackage")
bn = "%s/%s" % ("testpackage", os.path.basename(fn))
self.assertNotIn(bn, zipfp.namelist())
self.assertTrue(bn + 'o' in zipfp.namelist() or
bn + 'c' in zipfp.namelist())
def test_source_from_cache(self):
# Given the path to a PEP 3147 defined .pyc file, return the path to
# its source. This tests the good path.
path = os.path.join('foo', 'bar', 'baz', '__pycache__',
'qux.{}.pyc'.format(self.tag))
expect = os.path.join('foo', 'bar', 'baz', 'qux.py')
self.assertEqual(imp.source_from_cache(path), expect)
def test_source_from_cache_no_cache_tag(self):
# If sys.implementation.cache_tag is None, raise NotImplementedError.
path = os.path.join('blah', '__pycache__', 'whatever.pyc')
with support.swap_attr(sys.implementation, 'cache_tag', None):
with self.assertRaises(NotImplementedError):
imp.source_from_cache(path)
def test_source_from_cache_bad_path(self):
# When the path to a pyc file is not in PEP 3147 format, a ValueError
# is raised.
self.assertRaises(
ValueError, imp.source_from_cache, '/foo/bar/bazqux.pyc')
def test_source_from_cache_no_slash(self):
# No slashes at all in path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, 'foo.cpython-32.pyc')
def test_source_from_cache_too_few_dots(self):
# Too few dots in final path component -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, '__pycache__/foo.pyc')
def test_source_from_cache_no__pycache__(self):
# Another problem with the path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache,
'/foo/bar/foo.cpython-32.foo.pyc')
def test_write_pyfile(self):
with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
fn = __file__
if fn.endswith('.pyc') or fn.endswith('.pyo'):
path_split = fn.split(os.sep)
if os.altsep is not None:
path_split.extend(fn.split(os.altsep))
if '__pycache__' in path_split:
fn = imp.source_from_cache(fn)
else:
fn = fn[:-1]
zipfp.writepy(fn)
bn = os.path.basename(fn)
self.assertNotIn(bn, zipfp.namelist())
self.assertCompiledIn(bn, zipfp.namelist())
with TemporaryFile() as t, zipfile.PyZipFile(t, "w") as zipfp:
fn = __file__
if fn.endswith(('.pyc', '.pyo')):
fn = fn[:-1]
zipfp.writepy(fn, "testpackage")
bn = "%s/%s" % ("testpackage", os.path.basename(fn))
self.assertNotIn(bn, zipfp.namelist())
self.assertCompiledIn(bn, zipfp.namelist())
def source_from_cache(path):
basename, ext = os.path.splitext(path)
if ext not in ('.pyc', '.pyo'):
raise ValueError('Not a cached Python file extension', ext)
# Should we look for .pyw files?
return basename + '.py'
def test_source_from_cache(self):
# Given the path to a PEP 3147 defined .pyc file, return the path to
# its source. This tests the good path.
path = os.path.join('foo', 'bar', 'baz', '__pycache__',
'qux.{}.pyc'.format(self.tag))
expect = os.path.join('foo', 'bar', 'baz', 'qux.py')
self.assertEqual(imp.source_from_cache(path), expect)
def test_source_from_cache_no_cache_tag(self):
# If sys.implementation.cache_tag is None, raise NotImplementedError.
path = os.path.join('blah', '__pycache__', 'whatever.pyc')
with support.swap_attr(sys.implementation, 'cache_tag', None):
with self.assertRaises(NotImplementedError):
imp.source_from_cache(path)
def test_source_from_cache_bad_path(self):
# When the path to a pyc file is not in PEP 3147 format, a ValueError
# is raised.
self.assertRaises(
ValueError, imp.source_from_cache, '/foo/bar/bazqux.pyc')
def test_source_from_cache_no_slash(self):
# No slashes at all in path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, 'foo.cpython-32.pyc')
def test_source_from_cache_too_few_dots(self):
# Too few dots in final path component -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, '__pycache__/foo.pyc')
def test_source_from_cache_no__pycache__(self):
# Another problem with the path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache,
'/foo/bar/foo.cpython-32.foo.pyc')
def test_source_from_cache(self):
# Given the path to a PEP 3147 defined .pyc file, return the path to
# its source. This tests the good path.
path = os.path.join('foo', 'bar', 'baz', '__pycache__',
'qux.{}.pyc'.format(self.tag))
expect = os.path.join('foo', 'bar', 'baz', 'qux.py')
self.assertEqual(imp.source_from_cache(path), expect)
def test_source_from_cache_no_cache_tag(self):
# If sys.implementation.cache_tag is None, raise NotImplementedError.
path = os.path.join('blah', '__pycache__', 'whatever.pyc')
with support.swap_attr(sys.implementation, 'cache_tag', None):
with self.assertRaises(NotImplementedError):
imp.source_from_cache(path)
def test_source_from_cache_bad_path(self):
# When the path to a pyc file is not in PEP 3147 format, a ValueError
# is raised.
self.assertRaises(
ValueError, imp.source_from_cache, '/foo/bar/bazqux.pyc')
def test_source_from_cache_no_slash(self):
# No slashes at all in path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, 'foo.cpython-32.pyc')
def test_source_from_cache_too_few_dots(self):
# Too few dots in final path component -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache, '__pycache__/foo.pyc')
def test_source_from_cache_no__pycache__(self):
# Another problem with the path -> ValueError
self.assertRaises(
ValueError, imp.source_from_cache,
'/foo/bar/foo.cpython-32.foo.pyc')
def source_from_cache(path):
basename, ext = os.path.splitext(path)
if ext not in ('.pyc', '.pyo'):
raise ValueError('Not a cached Python file extension', ext)
# Should we look for .pyw files?
return basename + '.py'
