Freelog 125/Freelog_MarsAvril2015_No125.iso/Musique/Quod Libet/quodlibet-3.3.0-portable.exe/quodlibet-3.3.0-portable/data/bin/ntpath.pyc

Python Compiled Bytecode | 2014-12-31 | 11KB | 454 lines

# Source Generated with Decompyle++
# File: in.pyc (Python 2.7)

'''Common pathname manipulations, WindowsNT/95 version.

Instead of importing this module directly, import os and refer to this
module as os.path.
'''
import os
import sys
import stat
import genericpath
import warnings
from genericpath import *
__all__ = [
    'normcase',
    'isabs',
    'join',
    'splitdrive',
    'split',
    'splitext',
    'basename',
    'dirname',
    'commonprefix',
    'getsize',
    'getmtime',
    'getatime',
    'getctime',
    'islink',
    'exists',
    'lexists',
    'isdir',
    'isfile',
    'ismount',
    'walk',
    'expanduser',
    'expandvars',
    'normpath',
    'abspath',
    'splitunc',
    'curdir',
    'pardir',
    'sep',
    'pathsep',
    'defpath',
    'altsep',
    'extsep',
    'devnull',
    'realpath',
    'supports_unicode_filenames',
    'relpath']
curdir = '.'
pardir = '..'
extsep = '.'
sep = '\\'
pathsep = ';'
altsep = '/'
defpath = '.;C:\\bin'
if 'ce' in sys.builtin_module_names:
    defpath = '\\Windows'
elif 'os2' in sys.builtin_module_names:
    altsep = '/'
devnull = 'nul'

def normcase(s):
    '''Normalize case of pathname.

    Makes all characters lowercase and all slashes into backslashes.'''
    return s.replace('/', '\\').lower()


def isabs(s):
    '''Test whether a path is absolute'''
    s = splitdrive(s)[1]
    if s != '':
        pass
    return s[:1] in '/\\'


def join(a, *p):
    '''Join two or more pathname components, inserting "\\" as needed.
    If any component is an absolute path, all previous path components
    will be discarded.'''
    path = a
    for b in p:
        b_wins = 0
        if path == '':
            b_wins = 1
        elif isabs(b):
            if path[1:2] != ':' or b[1:2] == ':':
                b_wins = 1
            elif (len(path) > 3 or len(path) == 3) and path[-1] not in '/\\':
                b_wins = 1

        if b_wins:
            path = b
            continue
        if not len(path) > 0:
            raise AssertionError
        if None[-1] in '/\\':
            if b and b[0] in '/\\':
                path += b[1:]
            else:
                path += b
        if path[-1] == ':':
            path += b
            continue
        if b:
            if b[0] in '/\\':
                path += b
            else:
                path += '\\' + b
        path += '\\'

    return path


def splitdrive(p):
    '''Split a pathname into drive and path specifiers. Returns a 2-tuple
"(drive,path)";  either part may be empty'''
    if p[1:2] == ':':
        return (p[0:2], p[2:])
    return (None, p)


def splitunc(p):
    """Split a pathname into UNC mount point and relative path specifiers.

    Return a 2-tuple (unc, rest); either part may be empty.
    If unc is not empty, it has the form '//host/mount' (or similar
    using backslashes).  unc+rest is always the input path.
    Paths containing drive letters never have an UNC part.
    """
    if p[1:2] == ':':
        return ('', p)
    firstTwo = None[0:2]
    if firstTwo == '//' or firstTwo == '\\\\':
        normp = normcase(p)
        index = normp.find('\\', 2)
        if index == -1:
            return ('', p)
        index = None.find('\\', index + 1)
        if index == -1:
            index = len(p)
        return (p[:index], p[index:])
    return (None, p)


def split(p):
    '''Split a pathname.

    Return tuple (head, tail) where tail is everything after the final slash.
    Either part may be empty.'''
    (d, p) = splitdrive(p)
    i = len(p)
    while i and p[i - 1] not in '/\\':
        i = i - 1
    head = p[:i]
    tail = p[i:]
    head2 = head
    while head2 and head2[-1] in '/\\':
        head2 = head2[:-1]
    if not head2:
        pass
    head = head
    return (d + head, tail)


def splitext(p):
    return genericpath._splitext(p, sep, altsep, extsep)

splitext.__doc__ = genericpath._splitext.__doc__

def basename(p):
    '''Returns the final component of a pathname'''
    return split(p)[1]


def dirname(p):
    '''Returns the directory component of a pathname'''
    return split(p)[0]


def islink(path):
    '''Test for symbolic link.
    On WindowsNT/95 and OS/2 always returns false
    '''
    return False

lexists = exists

def ismount(path):
    '''Test whether a path is a mount point (defined as root of drive)'''
    (unc, rest) = splitunc(path)
    if unc:
        return rest in ('', '/', '\\')
    p = None(path)[1]
    if len(p) == 1:
        pass
    return p[0] in '/\\'


def walk(top, func, arg):
    """Directory tree walk with callback function.

    For each directory in the directory tree rooted at top (including top
    itself, but excluding '.' and '..'), call func(arg, dirname, fnames).
    dirname is the name of the directory, and fnames a list of the names of
    the files and subdirectories in dirname (excluding '.' and '..').  func
    may modify the fnames list in-place (e.g. via del or slice assignment),
    and walk will only recurse into the subdirectories whose names remain in
    fnames; this can be used to implement a filter, or to impose a specific
    order of visiting.  No semantics are defined for, or required of, arg,
    beyond that arg is always passed to func.  It can be used, e.g., to pass
    a filename pattern, or a mutable object designed to accumulate
    statistics.  Passing None for arg is common."""
    warnings.warnpy3k('In 3.x, os.path.walk is removed in favor of os.walk.', stacklevel = 2)

    try:
        names = os.listdir(top)
    except os.error:
        return None

    func(arg, top, names)
    for name in names:
        name = join(top, name)
        if isdir(name):
            walk(name, func, arg)
            continue


def expanduser(path):
    '''Expand ~ and ~user constructs.

    If user or $HOME is unknown, do nothing.'''
    if path[:1] != '~':
        return path
    i = None
    n = len(path)
    while i < n and path[i] not in '/\\':
        i = i + 1
    if 'HOME' in os.environ:
        userhome = os.environ['HOME']
    elif 'USERPROFILE' in os.environ:
        userhome = os.environ['USERPROFILE']
    elif 'HOMEPATH' not in os.environ:
        return path

    try:
        drive = os.environ['HOMEDRIVE']
    except KeyError:
        drive = ''

    userhome = join(drive, os.environ['HOMEPATH'])
    if i != 1:
        userhome = join(dirname(userhome), path[1:i])
    return userhome + path[i:]


def expandvars(path):
    '''Expand shell variables of the forms $var, ${var} and %var%.

    Unknown variables are left unchanged.'''
    if '$' not in path and '%' not in path:
        return path
    import string as string
    varchars = string.ascii_letters + string.digits + '_-'
    res = ''
    index = 0
    pathlen = len(path)
    while index < pathlen:
        c = path[index]
        if c == "'":
            path = path[index + 1:]
            pathlen = len(path)

            try:
                index = path.index("'")
                res = res + "'" + path[:index + 1]
            except ValueError:
                res = res + path
                index = pathlen - 1


        if c == '%':
            if path[index + 1:index + 2] == '%':
                res = res + c
                index = index + 1
            else:
                path = path[index + 1:]
                pathlen = len(path)

                try:
                    index = path.index('%')
                except ValueError:
                    res = res + '%' + path
                    index = pathlen - 1

                var = path[:index]
                if var in os.environ:
                    res = res + os.environ[var]
                else:
                    res = res + '%' + var + '%'
        elif c == '$':
            if path[index + 1:index + 2] == '$':
                res = res + c
                index = index + 1
            elif path[index + 1:index + 2] == '{':
                path = path[index + 2:]
                pathlen = len(path)

                try:
                    index = path.index('}')
                    var = path[:index]
                    if var in os.environ:
                        res = res + os.environ[var]
                    else:
                        res = res + '${' + var + '}'
                except ValueError:
                    res = res + '${' + path
                    index = pathlen - 1


            var = ''
            index = index + 1
            c = path[index:index + 1]
            while c != '' and c in varchars:
                var = var + c
                index = index + 1
                c = path[index:index + 1]
            if var in os.environ:
                res = res + os.environ[var]
            else:
                res = res + '$' + var
            if c != '':
                index = index - 1

        else:
            res = res + c
        index = index + 1
    return res


def normpath(path):
    '''Normalize path, eliminating double slashes, etc.'''
    (backslash, dot) = (u'\\', u'.') if isinstance(path, unicode) else ('\\', '.')
    if path.startswith(('\\\\.\\', '\\\\?\\')):
        return path
    path = None.replace('/', '\\')
    (prefix, path) = splitdrive(path)
    if prefix == '':
        while path[:1] == '\\':
            prefix = prefix + backslash
            path = path[1:]
    elif path.startswith('\\'):
        prefix = prefix + backslash
        path = path.lstrip('\\')
    comps = path.split('\\')
    i = 0
    while i < len(comps):
        if comps[i] in ('.', ''):
            del comps[i]
            continue
        if comps[i] == '..':
            if i > 0 and comps[i - 1] != '..':
                del comps[i - 1:i + 1]
                i -= 1
            elif i == 0 and prefix.endswith('\\'):
                del comps[i]
            else:
                i += 1
        i += 1
    if not prefix and not comps:
        comps.append(dot)
    return prefix + backslash.join(comps)


try:
    from nt import _getfullpathname
except ImportError:

    def abspath(path):
        '''Return the absolute version of a path.'''
        if not isabs(path):
            if isinstance(path, unicode):
                cwd = os.getcwdu()
            else:
                cwd = os.getcwd()
            path = join(cwd, path)
        return normpath(path)



def abspath(path):
    '''Return the absolute version of a path.'''
    if path:

        try:
            path = _getfullpathname(path)
        except WindowsError:
            pass


    if isinstance(path, unicode):
        path = os.getcwdu()
    else:
        path = os.getcwd()
    return normpath(path)

realpath = abspath
if hasattr(sys, 'getwindowsversion'):
    pass
supports_unicode_filenames = sys.getwindowsversion()[3] >= 2

def _abspath_split(path):
    abs = abspath(normpath(path))
    (prefix, rest) = splitunc(abs)
    is_unc = bool(prefix)
    if not is_unc:
        (prefix, rest) = splitdrive(abs)
    return (is_unc, prefix, [ x for x in rest.split(sep) if x ])


def relpath(path, start = curdir):
    '''Return a relative version of a path'''
    if not path:
        raise ValueError('no path specified')
    (start_is_unc, start_prefix, start_list) = _abspath_split(start)
    (path_is_unc, path_prefix, path_list) = _abspath_split(path)
    if path_is_unc ^ start_is_unc:
        raise ValueError('Cannot mix UNC and non-UNC paths (%s and %s)' % (path, start))
    if path_prefix.lower() != start_prefix.lower():
        if path_is_unc:
            raise ValueError('path is on UNC root %s, start on UNC root %s' % (path_prefix, start_prefix))
        raise ValueError('path is on drive %s, start on drive %s' % (path_prefix, start_prefix))
    i = 0
    for e1, e2 in zip(start_list, path_list):
        if e1.lower() != e2.lower():
            break
        i += 1

    rel_list = [
        pardir] * (len(start_list) - i) + path_list[i:]
    if not rel_list:
        return curdir
    return None(*rel_list)


try:
    from nt import _isdir as isdir
except ImportError:
    pass