Python warnings.warnpy3k方法代码示例

# 需要导入模块: import warnings [as 别名]
# 或者: from warnings import warnpy3k [as 别名]
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
    func(arg, top, names)
    for name in names:
        name = join(top, name)
        if isdir(name) and not islink(name):
            walk(name, func, arg) 

# 需要导入模块: import warnings [as 别名]
# 或者: from warnings import warnpy3k [as 别名]
def writePlistToResource(rootObject, path, restype='plst', resid=0):
    """Write 'rootObject' as a plst resource to the resource fork of path.
    """
    warnings.warnpy3k("In 3.x, writePlistToResource is removed.", stacklevel=2)
    from Carbon.File import FSRef, FSGetResourceForkName
    from Carbon.Files import fsRdWrPerm
    from Carbon import Res
    plistData = writePlistToString(rootObject)
    fsRef = FSRef(path)
    resNum = Res.FSOpenResourceFile(fsRef, FSGetResourceForkName(), fsRdWrPerm)
    Res.UseResFile(resNum)
    try:
        Res.Get1Resource(restype, resid).RemoveResource()
    except Res.Error:
        pass
    res = Res.Resource(plistData)
    res.AddResource(restype, resid, '')
    res.WriteResource()
    Res.CloseResFile(resNum) 

# 需要导入模块: import warnings [as 别名]
# 或者: from warnings import warnpy3k [as 别名]
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
    func(arg, top, names)
    for name in names:
        name = join(top, name)
        if isdir(name):
            walk(name, func, arg)


# Expand paths beginning with '~' or '~user'.
# '~' means $HOME; '~user' means that user's home directory.
# If the path doesn't begin with '~', or if the user or $HOME is unknown,
# the path is returned unchanged (leaving error reporting to whatever
# function is called with the expanded path as argument).
# See also module 'glob' for expansion of *, ? and [...] in pathnames.
# (A function should also be defined to do full *sh-style environment
# variable expansion.) 

# 需要导入模块: import warnings [as 别名]
# 或者: from warnings import warnpy3k [as 别名]
def readPlistFromResource(path, restype='plst', resid=0):
    """Read plst resource from the resource fork of path.
    """
    warnings.warnpy3k("In 3.x, readPlistFromResource is removed.",
                      stacklevel=2)
    from Carbon.File import FSRef, FSGetResourceForkName
    from Carbon.Files import fsRdPerm
    from Carbon import Res
    fsRef = FSRef(path)
    resNum = Res.FSOpenResourceFile(fsRef, FSGetResourceForkName(), fsRdPerm)
    Res.UseResFile(resNum)
    plistData = Res.Get1Resource(restype, resid).data
    Res.CloseResFile(resNum)
    return readPlistFromString(plistData) 

# 需要导入模块: import warnings [as 别名]
# 或者: from warnings import warnpy3k [as 别名]
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
    func(arg, top, names)
    for name in names:
        name = join(top, name)
        try:
            st = os.lstat(name)
        except os.error:
            continue
        if stat.S_ISDIR(st.st_mode):
            walk(name, func, arg)


# Expand paths beginning with '~' or '~user'.
# '~' means $HOME; '~user' means that user's home directory.
# If the path doesn't begin with '~', or if the user or $HOME is unknown,
# the path is returned unchanged (leaving error reporting to whatever
# function is called with the expanded path as argument).
# See also module 'glob' for expansion of *, ? and [...] in pathnames.
# (A function should also be defined to do full *sh-style environment
# variable expansion.) 

# 需要导入模块: import warnings [as 别名]
# 或者: from warnings import warnpy3k [as 别名]
def _class_escape(source, escape, nested):
    # handle escape code inside character class
    code = ESCAPES.get(escape)
    if code:
        return code
    code = CATEGORIES.get(escape)
    if code and code[0] == IN:
        return code
    try:
        c = escape[1:2]
        if c == "x":
            # hexadecimal escape (exactly two digits)
            while source.next in HEXDIGITS and len(escape) < 4:
                escape = escape + source.get()
            escape = escape[2:]
            if len(escape) != 2:
                raise error, "bogus escape: %s" % repr("\\" + escape)
            return LITERAL, int(escape, 16) & 0xff
        elif c in OCTDIGITS:
            # octal escape (up to three digits)
            while source.next in OCTDIGITS and len(escape) < 4:
                escape = escape + source.get()
            escape = escape[1:]
            return LITERAL, int(escape, 8) & 0xff
        elif c in DIGITS:
            raise error, "bogus escape: %s" % repr(escape)
        if len(escape) == 2:
            if sys.py3kwarning and c in ASCIILETTERS:
                import warnings
                if c in 'Uu':
                    warnings.warn('bad escape %s; Unicode escapes are '
                                  'supported only since Python 3.3' % escape,
                                  FutureWarning, stacklevel=nested + 6)
                else:
                    warnings.warnpy3k('bad escape %s' % escape,
                                      DeprecationWarning, stacklevel=nested + 6)
            return LITERAL, ord(escape[1])
    except ValueError:
        pass
    raise error, "bogus escape: %s" % repr(escape)