Avoid import of string module; it is only needed for expandvars().
Never assume that os.sep is for the module-specific platform; use the right separator character directly. Fix some minor style consistency nits.
This commit is contained in:
Fred Drake
parent
c0ab93ef6f
commit
b4e460ac4b
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@ -2,7 +2,6 @@
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import os
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import stat
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import string
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def normcase(s):
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@ -15,7 +14,7 @@ def normcase(s):
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single '_', but this has been removed. This functionality should
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possibly be added as a new function."""
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return string.lower(string.replace(s, "/", "\\"))
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return s.replace("/", "\\").lower()
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def isabs(s):
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@ -39,7 +38,7 @@ def join(a, *p):
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elif path == '' or path[-1:] in '/\\:':
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path = path + b
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else:
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path = path + os.sep + b
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path = path + "\\" + b
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return path
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@ -225,8 +224,6 @@ def expanduser(path):
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return userhome + path[i:]
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varchars = string.letters + string.digits + '_-'
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def expandvars(path):
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"""Expand paths containing shell variable substitutions.
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The following rules apply:
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@ -239,6 +236,8 @@ def expandvars(path):
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if '$' not in path:
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return path
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import string
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varchars = string.letters + string.digits + '_-'
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res = ''
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index = 0
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pathlen = len(path)
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@ -248,9 +247,9 @@ def expandvars(path):
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path = path[index + 1:]
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pathlen = len(path)
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try:
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index = string.index(path, '\'')
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index = path.index('\'')
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res = res + '\'' + path[:index + 1]
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except string.index_error:
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except ValueError:
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res = res + path
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index = pathlen -1
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elif c == '$': # variable or '$$'
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@ -261,11 +260,11 @@ def expandvars(path):
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path = path[index+2:]
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pathlen = len(path)
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try:
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index = string.index(path, '}')
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index = path.index('}')
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var = path[:index]
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if os.environ.has_key(var):
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res = res + os.environ[var]
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except string.index_error:
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except ValueError:
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res = res + path
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index = pathlen - 1
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else:
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@ -290,12 +289,12 @@ def normpath(path):
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"""Normalize a path, e.g. A//B, A/./B and A/foo/../B all become A/B.
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Also, components of the path are silently truncated to 8+3 notation."""
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path = string.replace(path, "/", "\\")
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path = path.replace("/", "\\")
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prefix, path = splitdrive(path)
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while path[:1] == os.sep:
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prefix = prefix + os.sep
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while path[:1] == "\\":
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prefix = prefix + "\\"
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path = path[1:]
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comps = string.splitfields(path, os.sep)
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comps = path.split("\\")
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i = 0
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while i < len(comps):
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if comps[i] == '.':
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@ -307,7 +306,7 @@ def normpath(path):
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elif comps[i] == '' and i > 0 and comps[i-1] <> '':
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del comps[i]
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elif '.' in comps[i]:
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comp = string.splitfields(comps[i], '.')
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comp = comps[i].split('.')
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comps[i] = comp[0][:8] + '.' + comp[1][:3]
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i = i + 1
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elif len(comps[i]) > 8:
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@ -318,7 +317,7 @@ def normpath(path):
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# If the path is now empty, substitute '.'
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if not prefix and not comps:
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comps.append('.')
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return prefix + string.joinfields(comps, os.sep)
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return prefix + "\\".join(comps)
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@ -1,13 +1,13 @@
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"""Pathname and path-related operations for the Macintosh."""
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import string
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import os
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from stat import *
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# Normalize the case of a pathname. Dummy in Posix, but string.lower here.
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# Normalize the case of a pathname. Dummy in Posix, but <s>.lower() here.
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normcase = string.lower
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def normcase(path):
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return path.lower()
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def isabs(s):
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@ -175,7 +175,7 @@ def normpath(s):
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if ":" not in s:
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return ":"+s
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comps = string.splitfields(s, ":")
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comps = s.split(":")
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i = 1
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while i < len(comps)-1:
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if comps[i] == "" and comps[i-1] != "":
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@ -188,7 +188,7 @@ def normpath(s):
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else:
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i = i + 1
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s = string.join(comps, ":")
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s = ":".join(comps)
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# remove trailing ":" except for ":" and "Volume:"
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if s[-1] == ":" and len(comps) > 2 and s != ":"*len(s):
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@ -7,7 +7,6 @@ module as os.path.
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import os
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import stat
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import string
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# Normalize the case of a pathname and map slashes to backslashes.
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@ -18,7 +17,7 @@ def normcase(s):
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"""Normalize case of pathname.
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Makes all characters lowercase and all slashes into backslashes."""
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return string.lower(string.replace(s, "/", "\\"))
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return s.replace("/", "\\").lower()
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# Return whether a path is absolute.
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@ -44,7 +43,7 @@ def join(a, *p):
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elif path == '' or path[-1:] in '/\\:':
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path = path + b
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else:
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path = path + os.sep + b
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path = path + "\\" + b
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return path
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@ -77,11 +76,11 @@ def splitunc(p):
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# \\machine\mountpoint\directories...
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# directory ^^^^^^^^^^^^^^^
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normp = normcase(p)
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index = string.find(normp, '\\', 2)
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index = normp.find('\\', 2)
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if index == -1:
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##raise RuntimeError, 'illegal UNC path: "' + p + '"'
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return ("", p)
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index = string.find(normp, '\\', index + 1)
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index = normp.find('\\', index + 1)
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if index == -1:
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index = len(p)
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return p[:index], p[index:]
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@ -314,14 +313,14 @@ def expanduser(path):
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# XXX With COMMAND.COM you can use any characters in a variable name,
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# XXX except '^|<>='.
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varchars = string.letters + string.digits + '_-'
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def expandvars(path):
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"""Expand shell variables of form $var and ${var}.
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Unknown variables are left unchanged."""
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if '$' not in path:
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return path
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import string
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varchars = string.letters + string.digits + '_-'
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res = ''
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index = 0
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pathlen = len(path)
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@ -331,9 +330,9 @@ def expandvars(path):
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path = path[index + 1:]
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pathlen = len(path)
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try:
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index = string.index(path, '\'')
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index = path.index('\'')
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res = res + '\'' + path[:index + 1]
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except string.index_error:
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except ValueError:
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res = res + path
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index = pathlen - 1
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elif c == '$': # variable or '$$'
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@ -344,11 +343,11 @@ def expandvars(path):
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path = path[index+2:]
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pathlen = len(path)
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try:
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index = string.index(path, '}')
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index = path.index('}')
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var = path[:index]
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if os.environ.has_key(var):
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res = res + os.environ[var]
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except string.index_error:
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except ValueError:
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res = res + path
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index = pathlen - 1
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else:
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@ -375,12 +374,12 @@ def expandvars(path):
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def normpath(path):
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"""Normalize path, eliminating double slashes, etc."""
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path = string.replace(path, "/", "\\")
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path = path.replace("/", "\\")
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prefix, path = splitdrive(path)
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while path[:1] == os.sep:
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prefix = prefix + os.sep
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while path[:1] == "\\":
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prefix = prefix + "\\"
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path = path[1:]
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comps = string.splitfields(path, os.sep)
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comps = path.split("\\")
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i = 0
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while i < len(comps):
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if comps[i] == '.':
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@ -395,7 +394,7 @@ def normpath(path):
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# If the path is now empty, substitute '.'
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if not prefix and not comps:
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comps.append('.')
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return prefix + string.joinfields(comps, os.sep)
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return prefix + "\\".join(comps)
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# Return an absolute path.
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