diff options
-rw-r--r-- | Lib/shlex.py | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/Lib/shlex.py b/Lib/shlex.py index 863e404..ca9c557 100644 --- a/Lib/shlex.py +++ b/Lib/shlex.py @@ -21,7 +21,7 @@ __all__ = ["shlex", "split"] class shlex: "A lexical analyzer class for simple shell-like syntaxes." - def __init__(self, instream=None, infile=None, posix=0): + def __init__(self, instream=None, infile=None, posix=False): if type(instream) in StringTypes: instream = StringIO(instream) if instream is not None: @@ -42,7 +42,7 @@ class shlex: self.wordchars += ('ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ' 'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ') self.whitespace = ' \t\r\n' - self.whitespace_split = 0 + self.whitespace_split = False self.quotes = '\'"' self.escape = '\\' self.escapedquotes = '"' @@ -61,7 +61,7 @@ class shlex: "Push a token onto the stack popped by the get_token method" if self.debug >= 1: print "shlex: pushing token " + `tok` - self.pushback = [tok] + self.pushback + self.pushback.insert(0, tok) def push_source(self, newstream, newfile=None): "Push an input source onto the lexer's input source stack." @@ -90,8 +90,7 @@ class shlex: def get_token(self): "Get a token from the input stream (or from stack if it's nonempty)" if self.pushback: - tok = self.pushback[0] - self.pushback = self.pushback[1:] + tok = self.pushback.pop(0) if self.debug >= 1: print "shlex: popping token " + `tok` return tok @@ -107,7 +106,7 @@ class shlex: raw = self.get_token() # Maybe we got EOF instead? while raw == self.eof: - if len(self.filestack) == 0: + if not self.filestack: return self.eof else: self.pop_source() @@ -121,7 +120,7 @@ class shlex: return raw def read_token(self): - quoted = 0 + quoted = False escapedstate = ' ' while 1: nextchar = self.instream.read(1) @@ -167,7 +166,7 @@ class shlex: else: continue elif self.state in self.quotes: - quoted = 1 + quoted = True if not nextchar: # end of file if self.debug >= 2: print "shlex: I see EOF in quotes state" @@ -229,7 +228,7 @@ class shlex: or self.whitespace_split: self.token = self.token + nextchar else: - self.pushback = [nextchar] + self.pushback + self.pushback.insert(0, nextchar) if self.debug >= 2: print "shlex: I see punctuation in word state" self.state = ' ' |