Python string.splitfields方法代码示例

# 需要导入模块: import string [as 别名]
# 或者: from string import splitfields [as 别名]
def Walk( root, recurse=0, pattern='*', return_folders=0 ):
	import fnmatch, os, string

	result = []

	try:
		names = os.listdir(root)
	except os.error:
		return result

	pattern = pattern or '*'
	pat_list = string.splitfields( pattern , ';' )

	for name in names:
		fullname = os.path.normpath(os.path.join(root, name))

		for pat in pat_list:
			if fnmatch.fnmatch(name, pat):
				if os.path.isfile(fullname) or (return_folders and os.path.isdir(fullname)):
					result.append(fullname)
				continue
		if recurse:
			if os.path.isdir(fullname) and not os.path.islink(fullname):
				result = result + Walk( fullname, recurse, pattern, return_folders )
			
	return result 

# 需要导入模块: import string [as 别名]
# 或者: from string import splitfields [as 别名]
def normpath(path):
    """Normalize path, eliminating double slashes, etc."""
    sep = os.sep
    if sep == '\\':
        path = path.replace("/", sep)
    curdir = os.curdir
    pardir = os.pardir
    import string
    # Treat initial slashes specially
    slashes = ''
    while path[:1] == sep:
        slashes = slashes + sep
        path = path[1:]
    comps = string.splitfields(path, sep)
    i = 0
    while i < len(comps):
        if comps[i] == curdir:
            del comps[i]
            while i < len(comps) and comps[i] == '':
                del comps[i]
        elif comps[i] == pardir and i > 0 and comps[i-1] not in ('', pardir):
            del comps[i-1:i+1]
            i = i-1
        elif comps[i] == '' and i > 0 and comps[i-1] <> '':
            del comps[i]
        else:
            i = i+1
    # If the path is now empty, substitute '.'
    if not comps and not slashes:
        comps.append(curdir)
    return slashes + string.joinfields(comps, sep) 

# 需要导入模块: import string [as 别名]
# 或者: from string import splitfields [as 别名]
def addname(self, name):
        # Domain name packing (section 4.1.4)
        # Add a domain name to the buffer, possibly using pointers.
        # The case of the first occurrence of a name is preserved.
        # Redundant dots are ignored.
        list = []
        for label in string.splitfields(name, '.'):
            if label:
                if len(label) > 63:
                    raise PackError, 'label too long'
                list.append(label)
        keys = []
        for i in range(len(list)):
            key = string.upper(string.joinfields(list[i:], '.'))
            keys.append(key)
            if self.index.has_key(key):
                pointer = self.index[key]
                break
        else:
            i = len(list)
            pointer = None
        # Do it into temporaries first so exceptions don't
        # mess up self.index and self.buf
        buf = ''
        offset = len(self.buf)
        index = []
        for j in range(i):
            label = list[j]
            n = len(label)
            if offset + len(buf) < 0x3FFF:
                index.append((keys[j], offset + len(buf)))
            else:
                print 'DNS.Lib.Packer.addname:',
                print 'warning: pointer too big'
            buf = buf + (chr(n) + label)
        if pointer:
            buf = buf + pack16bit(pointer | 0xC000)
        else:
            buf = buf + '\0'
        self.buf = self.buf + buf
        for key, value in index:
            self.index[key] = value 

# 需要导入模块: import string [as 别名]
# 或者: from string import splitfields [as 别名]
def addname(self, name):
        # Domain name packing (section 4.1.4)
        # Add a domain name to the buffer, possibly using pointers.
        # The case of the first occurrence of a name is preserved.
        # Redundant dots are ignored.
        list = []
        for label in string.splitfields(name, '.'):
            if label:
                if len(label) > 63:
                    raise PackError('label too long')
                list.append(label)
        keys = []
        for i in range(len(list)):
            key = string.upper(string.joinfields(list[i:], '.'))
            keys.append(key)
            if key in self.index:
                pointer = self.index[key]
                break
        else:
            i = len(list)
            pointer = None
        # Do it into temporaries first so exceptions don't
        # mess up self.index and self.buf
        buf = ''
        offset = len(self.buf)
        index = []
        for j in range(i):
            label = list[j]
            n = len(label)
            if offset + len(buf) < 0x3FFF:
                index.append((keys[j], offset + len(buf)))
            else:
                print 'DNS.Lib.Packer.addname:',
                print 'warning: pointer too big'
            buf = buf + (chr(n) + label)
        if pointer:
            buf = buf + pack16bit(pointer | 0xC000)
        else:
            buf = buf + '\0'
        self.buf = self.buf + buf
        for key, value in index:
            self.index[key] = value