def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
python类altsep()的实例源码
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def __nullpathconv(path):
return path.replace(os.altsep, os.sep)
def __unixpathconv(path):
# two known drive letter variations: "x;" and "$x"
if path[0] == '$':
conv = path[1] + ':' + path[2:]
elif path[1] == ';':
conv = path[0] + ':' + path[2:]
else:
conv = path
return conv.replace(os.altsep, os.sep)
# decide what field separator we can try to use - Unix standard, with
# the platform's path separator as an option. No special field conversion
# handler is required when using the platform's path separator as field
# separator, but are required for the home directory and shell fields when
# using the standard Unix (":") field separator.
def test_altsep_and_sep_cache_from_source(self):
# Windows path and PEP 3147 where altsep is right of sep.
self.assertEqual(
imp.cache_from_source('\\foo\\bar/baz\\qux.py', True),
'\\foo\\bar/baz\\__pycache__\\qux.{}.pyc'.format(self.tag))
def test_sep_altsep_and_sep_cache_from_source(self):
# Windows path and PEP 3147 where sep is right of altsep.
self.assertEqual(
imp.cache_from_source('\\foo\\bar\\baz/qux.py', True),
'\\foo\\bar\\baz/__pycache__/qux.{}.pyc'.format(self.tag))
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 _extract_member(self, member, targetpath, pwd):
"""Extract the ZipInfo object 'member' to a physical
file on the path targetpath.
"""
# build the destination pathname, replacing
# forward slashes to platform specific separators.
# Strip trailing path separator, unless it represents the root.
if (targetpath[-1:] in (os.path.sep, os.path.altsep)
and len(os.path.splitdrive(targetpath)[1]) > 1):
targetpath = targetpath[:-1]
# don't include leading "/" from file name if present
if member.filename[0] == '/':
targetpath = os.path.join(targetpath, member.filename[1:])
else:
targetpath = os.path.join(targetpath, member.filename)
targetpath = os.path.normpath(targetpath)
# Create all upper directories if necessary.
upperdirs = os.path.dirname(targetpath)
if upperdirs and not os.path.exists(upperdirs):
os.makedirs(upperdirs)
if member.filename[-1] == '/':
if not os.path.isdir(targetpath):
os.mkdir(targetpath)
return targetpath
source = self.open(member, pwd=pwd)
target = open(targetpath, "wb")
shutil.copyfileobj(source, target)
source.close()
target.close()
return targetpath
def _fullmodname(path):
"""Return a plausible module name for the path."""
# If the file 'path' is part of a package, then the filename isn't
# enough to uniquely identify it. Try to do the right thing by
# looking in sys.path for the longest matching prefix. We'll
# assume that the rest is the package name.
comparepath = os.path.normcase(path)
longest = ""
for dir in sys.path:
dir = os.path.normcase(dir)
if comparepath.startswith(dir) and comparepath[len(dir)] == os.sep:
if len(dir) > len(longest):
longest = dir
if longest:
base = path[len(longest) + 1:]
else:
base = path
# the drive letter is never part of the module name
drive, base = os.path.splitdrive(base)
base = base.replace(os.sep, ".")
if os.altsep:
base = base.replace(os.altsep, ".")
filename, ext = os.path.splitext(base)
return filename.lstrip(".")
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def make_relative(self, path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep == '/' and '/' or os.sep
while len(npath) >= baselen:
if npath == self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
def get_template(self, uri):
"""Return a :class:`.Template` object corresponding to the given
``uri``.
.. note:: The ``relativeto`` argument is not supported here at
the moment.
"""
try:
if self.filesystem_checks:
return self._check(uri, self._collection[uri])
else:
return self._collection[uri]
except KeyError:
u = re.sub(r'^\/+', '', uri)
for dir in self.directories:
# make sure the path seperators are posix - os.altsep is empty
# on POSIX and cannot be used.
dir = dir.replace(os.path.sep, posixpath.sep)
srcfile = posixpath.normpath(posixpath.join(dir, u))
if os.path.isfile(srcfile):
return self._load(srcfile, uri)
else:
raise exceptions.TopLevelLookupException(
"Cant locate template for uri %r" % uri)
def make_relative(self,path):
npath, last = os.path.split(normalize_path(path))
baselen = len(self.basedir)
parts = [last]
sep = os.altsep=='/' and '/' or os.sep
while len(npath)>=baselen:
if npath==self.basedir:
parts.append(os.curdir)
parts.reverse()
return sep.join(parts)
npath, last = os.path.split(npath)
parts.append(last)
else:
return path
