Python os.altsep方法代码示例

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
def pickaddr(self, proto):
        if proto == socket.AF_INET:
            return (HOST, 0)
        else:
            # XXX: We need a way to tell AF_UNIX to pick its own name
            # like AF_INET provides port==0.
            dir = None
            if os.name == 'os2':
                dir = '\socket'
            fn = tempfile.mktemp(prefix='unix_socket.', dir=dir)
            if os.name == 'os2':
                # AF_UNIX socket names on OS/2 require a specific prefix
                # which can't include a drive letter and must also use
                # backslashes as directory separators
                if fn[1] == ':':
                    fn = fn[2:]
                if fn[0] in (os.sep, os.altsep):
                    fn = fn[1:]
                if os.sep == '/':
                    fn = fn.replace(os.sep, os.altsep)
                else:
                    fn = fn.replace(os.altsep, os.sep)
            self.test_files.append(fn)
            return fn 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
def refresh(self):
        """
        Update the internal module list to reflect the state of files on disk
        """
        self.modules.clear()
        module_files = []
        module_paths = os.environ['MAYA_MODULE_PATH'].split(os.pathsep)
        for p in module_paths:
            try:
                module_files += [os.path.join(p, x).replace(os.sep, os.altsep or os.sep) for x in os.listdir(p) if
                                 x.lower()[-3:] == "mod"]
            except OSError:
                pass  # ignore bad paths
        for eachfile in module_files:
            for eachmod in self.parse_mod(eachfile):
                self.modules["{0.name} ({0.version})".format(eachmod)] = eachmod 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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.
        arcname = member.filename.replace('/', os.path.sep)

        if os.path.altsep:
            arcname = arcname.replace(os.path.altsep, os.path.sep)
        # interpret absolute pathname as relative, remove drive letter or
        # UNC path, redundant separators, "." and ".." components.
        arcname = os.path.splitdrive(arcname)[1]
        invalid_path_parts = ('', os.path.curdir, os.path.pardir)
        arcname = os.path.sep.join(x for x in arcname.split(os.path.sep)
                                   if x not in invalid_path_parts)
        if os.path.sep == '\\':
            # filter illegal characters on Windows
            arcname = self._sanitize_windows_name(arcname, os.path.sep)

        targetpath = os.path.join(targetpath, arcname)
        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

        with self.open(member, pwd=pwd) as source, \
             open(targetpath, "wb") as target:
            shutil.copyfileobj(source, target)

        return targetpath 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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
                ) 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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) 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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(".") 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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 = file(targetpath, "wb")
        shutil.copyfileobj(source, target)
        source.close()
        target.close()

        return targetpath 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
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 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
def set_source(self, module_name, source, source_extension='.c', **kwds):
        import os
        if hasattr(self, '_assigned_source'):
            raise ValueError("set_source() cannot be called several times "
                             "per ffi object")
        if not isinstance(module_name, basestring):
            raise TypeError("'module_name' must be a string")
        if os.sep in module_name or (os.altsep and os.altsep in module_name):
            raise ValueError("'module_name' must not contain '/': use a dotted "
                             "name to make a 'package.module' location")
        self._assigned_source = (str(module_name), source,
                                 source_extension, kwds) 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
def prepare_command(cline, cwd, loc):
    """
    Returns a list of command and arguments for the given command line string.
    If the command needs to be run through a shell for some reason, the
    returned list contains the shell invocation.
    """

    #TODO: call this once up-front somewhere and save the result?
    shell, msys = util.checkmsyscompat()

    shellreason = None
    executable = None
    if msys and cline.startswith('/'):
        shellreason = "command starts with /"
    else:
        argv, badchar = clinetoargv(cline, cwd)
        if argv is None:
            shellreason = "command contains shell-special character '%s'" % (badchar,)
        elif len(argv) and argv[0] in shellwords:
            shellreason = "command starts with shell primitive '%s'" % (argv[0],)
        elif argv and (os.sep in argv[0] or os.altsep and os.altsep in argv[0]):
            executable = util.normaljoin(cwd, argv[0])
            # Avoid "%1 is not a valid Win32 application" errors, assuming
            # that if the executable path is to be resolved with PATH, it will
            # be a Win32 executable.
            if sys.platform == 'win32' and os.path.isfile(executable) and open(executable, 'rb').read(2) == "#!":
                shellreason = "command executable starts with a hashbang"

    if shellreason is not None:
        _log.debug("%s: using shell: %s: '%s'", loc, shellreason, cline)
        if msys:
            if len(cline) > 3 and cline[1] == ':' and cline[2] == '/':
                cline = '/' + cline[0] + cline[2:]
        argv = [shell, "-c", cline]
        executable = None

    return executable, argv 

# 需要导入模块: import os [as 别名]
# 或者: from os import altsep [as 别名]
def zip_info_from_file(cls, filename, arcname=None, date_time=None):
    """Construct a ZipInfo for a file on the filesystem.

    Usually this is provided directly as a method of ZipInfo, but it is not implemented in Python
    2.7 so we re-implement it here. The main divergance we make from the original is adding a
    parameter for the datetime (a time.struct_time), which allows us to use a deterministic
    timestamp. See https://github.com/python/cpython/blob/master/Lib/zipfile.py#L495."""
    st = os.stat(filename)
    isdir = stat.S_ISDIR(st.st_mode)
    if arcname is None:
      arcname = filename
    arcname = os.path.normpath(os.path.splitdrive(arcname)[1])
    while arcname[0] in (os.sep, os.altsep):
      arcname = arcname[1:]
    if isdir:
      arcname += '/'
    if date_time is None:
      date_time = time.localtime(st.st_mtime)
    zinfo = zipfile.ZipInfo(filename=arcname, date_time=date_time[:6])
    zinfo.external_attr = (st.st_mode & 0xFFFF) << 16  # Unix attributes
    if isdir:
      zinfo.file_size = 0
      zinfo.external_attr |= 0x10  # MS-DOS directory flag
    else:
      zinfo.file_size = st.st_size
    return zinfo