Python string.expandtabs方法代码示例

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def preformat(self, text):
        """Format literal preformatted text."""
        text = self.escape(expandtabs(text))
        return replace(text, '\n\n', '\n \n', '\n\n', '\n \n',
                             ' ', '&nbsp;', '\n', '<br>\n') 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def indentsize(line):
    """Return the indent size, in spaces, at the start of a line of text."""
    expline = string.expandtabs(line)
    return len(expline) - len(string.lstrip(expline)) 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def cleandoc(doc):
    """Clean up indentation from docstrings.

    Any whitespace that can be uniformly removed from the second line
    onwards is removed."""
    try:
        lines = string.split(string.expandtabs(doc), '\n')
    except UnicodeError:
        return None
    else:
        # Find minimum indentation of any non-blank lines after first line.
        margin = sys.maxint
        for line in lines[1:]:
            content = len(string.lstrip(line))
            if content:
                indent = len(line) - content
                margin = min(margin, indent)
        # Remove indentation.
        if lines:
            lines[0] = lines[0].lstrip()
        if margin < sys.maxint:
            for i in range(1, len(lines)): lines[i] = lines[i][margin:]
        # Remove any trailing or leading blank lines.
        while lines and not lines[-1]:
            lines.pop()
        while lines and not lines[0]:
            lines.pop(0)
        return string.join(lines, '\n') 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def wrap(self, text):
        """wrap(text : string) -> [string]

        Reformat the single paragraph in 'text' so it fits in lines of
        no more than 'self.width' columns, and return a list of wrapped
        lines.  Tabs in 'text' are expanded with string.expandtabs(),
        and all other whitespace characters (including newline) are
        converted to space.
        """
        text = self._munge_whitespace(text)
        chunks = self._split(text)
        if self.fix_sentence_endings:
            self._fix_sentence_endings(chunks)
        return self._wrap_chunks(chunks) 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def _munge_whitespace(self, text):
        """_munge_whitespace(text : string) -> string

        Munge whitespace in text: expand tabs and convert all other
        whitespace characters to spaces.  Eg. " foo\tbar\n\nbaz"
        becomes " foo    bar  baz".
        """
        if self.expand_tabs:
            text = string.expandtabs(text)
        if self.replace_whitespace:
            if isinstance(text, type('')):
                text = string.translate(text, self.whitespace_trans)
            elif isinstance(text, unicode):
                text = string.translate(text, self.unicode_whitespace_trans)
        return text 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def wrap(self, text):
        """wrap(text : string) -> [string]

        Reformat the single paragraph in 'text' so it fits in lines of
        no more than 'self.width' columns, and return a list of wrapped
        lines.  Tabs in 'text' are expanded with string.expandtabs(),
        and all other whitespace characters (including newline) are
        converted to space.
        """
        text = self._munge_whitespace(text)
        indent = self.initial_indent
        chunks = self._split(text)
        if self.fix_sentence_endings:
            self._fix_sentence_endings(chunks)
        return self._wrap_chunks(chunks) 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def getdoc(object):
    """Get the documentation string for an object.

    All tabs are expanded to spaces.  To clean up docstrings that are
    indented to line up with blocks of code, any whitespace than can be
    uniformly removed from the second line onwards is removed."""
    try:
        doc = object.__doc__
    except AttributeError:
        return None
    if not isinstance(doc, (str, unicode)):
        return None
    try:
        lines = string.split(string.expandtabs(doc), '\n')
    except UnicodeError:
        return None
    else:
        margin = None
        for line in lines[1:]:
            content = len(string.lstrip(line))
            if not content: continue
            indent = len(line) - content
            if margin is None: margin = indent
            else: margin = min(margin, indent)
        if margin is not None:
            for i in range(1, len(lines)): lines[i] = lines[i][margin:]
        return string.join(lines, '\n') 

# 需要导入模块: import string [as 别名]
# 或者: from string import expandtabs [as 别名]
def getcomments(object):
    """Get lines of comments immediately preceding an object's source code."""
    try: lines, lnum = findsource(object)
    except IOError: return None

    if ismodule(object):
        # Look for a comment block at the top of the file.
        start = 0
        if lines and lines[0][:2] == '#!': start = 1
        while start < len(lines) and string.strip(lines[start]) in ['', '#']:
            start = start + 1
        if start < len(lines) and lines[start][:1] == '#':
            comments = []
            end = start
            while end < len(lines) and lines[end][:1] == '#':
                comments.append(string.expandtabs(lines[end]))
                end = end + 1
            return string.join(comments, '')

    # Look for a preceding block of comments at the same indentation.
    elif lnum > 0:
        indent = indentsize(lines[lnum])
        end = lnum - 1
        if end >= 0 and string.lstrip(lines[end])[:1] == '#' and \
            indentsize(lines[end]) == indent:
            comments = [string.lstrip(string.expandtabs(lines[end]))]
            if end > 0:
                end = end - 1
                comment = string.lstrip(string.expandtabs(lines[end]))
                while comment[:1] == '#' and indentsize(lines[end]) == indent:
                    comments[:0] = [comment]
                    end = end - 1
                    if end < 0: break
                    comment = string.lstrip(string.expandtabs(lines[end]))
            while comments and string.strip(comments[0]) == '#':
                comments[:1] = []
            while comments and string.strip(comments[-1]) == '#':
                comments[-1:] = []
            return string.join(comments, '')