Library import 16 (#2433)

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1 files changed, 0 insertions, 345 deletions

diff --git a/contrib/tools/python3/src/Lib/shlex.py b/contrib/tools/python3/src/Lib/shlex.py
deleted file mode 100644
index f4821616b62..00000000000
--- a/contrib/tools/python3/src/Lib/shlex.py
+++ /dev/null
@@ -1,345 +0,0 @@
-"""A lexical analyzer class for simple shell-like syntaxes."""
-
-# Module and documentation by Eric S. Raymond, 21 Dec 1998
-# Input stacking and error message cleanup added by ESR, March 2000
-# push_source() and pop_source() made explicit by ESR, January 2001.
-# Posix compliance, split(), string arguments, and
-# iterator interface by Gustavo Niemeyer, April 2003.
-# changes to tokenize more like Posix shells by Vinay Sajip, July 2016.
-
-import os
-import re
-import sys
-from collections import deque
-
-from io import StringIO
-
-__all__ = ["shlex", "split", "quote", "join"]
-
-class shlex:
-    "A lexical analyzer class for simple shell-like syntaxes."
-    def __init__(self, instream=None, infile=None, posix=False,
-                 punctuation_chars=False):
-        if isinstance(instream, str):
-            instream = StringIO(instream)
-        if instream is not None:
-            self.instream = instream
-            self.infile = infile
-        else:
-            self.instream = sys.stdin
-            self.infile = None
-        self.posix = posix
-        if posix:
-            self.eof = None
-        else:
-            self.eof = ''
-        self.commenters = '#'
-        self.wordchars = ('abcdfeghijklmnopqrstuvwxyz'
-                          'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789_')
-        if self.posix:
-            self.wordchars += ('ßàáâãäåæçèéêëìíîïðñòóôõöøùúûüýþÿ'
-                               'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ')
-        self.whitespace = ' \t\r\n'
-        self.whitespace_split = False
-        self.quotes = '\'"'
-        self.escape = '\\'
-        self.escapedquotes = '"'
-        self.state = ' '
-        self.pushback = deque()
-        self.lineno = 1
-        self.debug = 0
-        self.token = ''
-        self.filestack = deque()
-        self.source = None
-        if not punctuation_chars:
-            punctuation_chars = ''
-        elif punctuation_chars is True:
-            punctuation_chars = '();<>|&'
-        self._punctuation_chars = punctuation_chars
-        if punctuation_chars:
-            # _pushback_chars is a push back queue used by lookahead logic
-            self._pushback_chars = deque()
-            # these chars added because allowed in file names, args, wildcards
-            self.wordchars += '~-./*?='
-            #remove any punctuation chars from wordchars
-            t = self.wordchars.maketrans(dict.fromkeys(punctuation_chars))
-            self.wordchars = self.wordchars.translate(t)
-
-    @property
-    def punctuation_chars(self):
-        return self._punctuation_chars
-
-    def push_token(self, tok):
-        "Push a token onto the stack popped by the get_token method"
-        if self.debug >= 1:
-            print("shlex: pushing token " + repr(tok))
-        self.pushback.appendleft(tok)
-
-    def push_source(self, newstream, newfile=None):
-        "Push an input source onto the lexer's input source stack."
-        if isinstance(newstream, str):
-            newstream = StringIO(newstream)
-        self.filestack.appendleft((self.infile, self.instream, self.lineno))
-        self.infile = newfile
-        self.instream = newstream
-        self.lineno = 1
-        if self.debug:
-            if newfile is not None:
-                print('shlex: pushing to file %s' % (self.infile,))
-            else:
-                print('shlex: pushing to stream %s' % (self.instream,))
-
-    def pop_source(self):
-        "Pop the input source stack."
-        self.instream.close()
-        (self.infile, self.instream, self.lineno) = self.filestack.popleft()
-        if self.debug:
-            print('shlex: popping to %s, line %d' \
-                  % (self.instream, self.lineno))
-        self.state = ' '
-
-    def get_token(self):
-        "Get a token from the input stream (or from stack if it's nonempty)"
-        if self.pushback:
-            tok = self.pushback.popleft()
-            if self.debug >= 1:
-                print("shlex: popping token " + repr(tok))
-            return tok
-        # No pushback.  Get a token.
-        raw = self.read_token()
-        # Handle inclusions
-        if self.source is not None:
-            while raw == self.source:
-                spec = self.sourcehook(self.read_token())
-                if spec:
-                    (newfile, newstream) = spec
-                    self.push_source(newstream, newfile)
-                raw = self.get_token()
-        # Maybe we got EOF instead?
-        while raw == self.eof:
-            if not self.filestack:
-                return self.eof
-            else:
-                self.pop_source()
-                raw = self.get_token()
-        # Neither inclusion nor EOF
-        if self.debug >= 1:
-            if raw != self.eof:
-                print("shlex: token=" + repr(raw))
-            else:
-                print("shlex: token=EOF")
-        return raw
-
-    def read_token(self):
-        quoted = False
-        escapedstate = ' '
-        while True:
-            if self.punctuation_chars and self._pushback_chars:
-                nextchar = self._pushback_chars.pop()
-            else:
-                nextchar = self.instream.read(1)
-            if nextchar == '\n':
-                self.lineno += 1
-            if self.debug >= 3:
-                print("shlex: in state %r I see character: %r" % (self.state,
-                                                                  nextchar))
-            if self.state is None:
-                self.token = ''        # past end of file
-                break
-            elif self.state == ' ':
-                if not nextchar:
-                    self.state = None  # end of file
-                    break
-                elif nextchar in self.whitespace:
-                    if self.debug >= 2:
-                        print("shlex: I see whitespace in whitespace state")
-                    if self.token or (self.posix and quoted):
-                        break   # emit current token
-                    else:
-                        continue
-                elif nextchar in self.commenters:
-                    self.instream.readline()
-                    self.lineno += 1
-                elif self.posix and nextchar in self.escape:
-                    escapedstate = 'a'
-                    self.state = nextchar
-                elif nextchar in self.wordchars:
-                    self.token = nextchar
-                    self.state = 'a'
-                elif nextchar in self.punctuation_chars:
-                    self.token = nextchar
-                    self.state = 'c'
-                elif nextchar in self.quotes:
-                    if not self.posix:
-                        self.token = nextchar
-                    self.state = nextchar
-                elif self.whitespace_split:
-                    self.token = nextchar
-                    self.state = 'a'
-                else:
-                    self.token = nextchar
-                    if self.token or (self.posix and quoted):
-                        break   # emit current token
-                    else:
-                        continue
-            elif self.state in self.quotes:
-                quoted = True
-                if not nextchar:      # end of file
-                    if self.debug >= 2:
-                        print("shlex: I see EOF in quotes state")
-                    # XXX what error should be raised here?
-                    raise ValueError("No closing quotation")
-                if nextchar == self.state:
-                    if not self.posix:
-                        self.token += nextchar
-                        self.state = ' '
-                        break
-                    else:
-                        self.state = 'a'
-                elif (self.posix and nextchar in self.escape and self.state
-                      in self.escapedquotes):
-                    escapedstate = self.state
-                    self.state = nextchar
-                else:
-                    self.token += nextchar
-            elif self.state in self.escape:
-                if not nextchar:      # end of file
-                    if self.debug >= 2:
-                        print("shlex: I see EOF in escape state")
-                    # XXX what error should be raised here?
-                    raise ValueError("No escaped character")
-                # In posix shells, only the quote itself or the escape
-                # character may be escaped within quotes.
-                if (escapedstate in self.quotes and
-                        nextchar != self.state and nextchar != escapedstate):
-                    self.token += self.state
-                self.token += nextchar
-                self.state = escapedstate
-            elif self.state in ('a', 'c'):
-                if not nextchar:
-                    self.state = None   # end of file
-                    break
-                elif nextchar in self.whitespace:
-                    if self.debug >= 2:
-                        print("shlex: I see whitespace in word state")
-                    self.state = ' '
-                    if self.token or (self.posix and quoted):
-                        break   # emit current token
-                    else:
-                        continue
-                elif nextchar in self.commenters:
-                    self.instream.readline()
-                    self.lineno += 1
-                    if self.posix:
-                        self.state = ' '
-                        if self.token or (self.posix and quoted):
-                            break   # emit current token
-                        else:
-                            continue
-                elif self.state == 'c':
-                    if nextchar in self.punctuation_chars:
-                        self.token += nextchar
-                    else:
-                        if nextchar not in self.whitespace:
-                            self._pushback_chars.append(nextchar)
-                        self.state = ' '
-                        break
-                elif self.posix and nextchar in self.quotes:
-                    self.state = nextchar
-                elif self.posix and nextchar in self.escape:
-                    escapedstate = 'a'
-                    self.state = nextchar
-                elif (nextchar in self.wordchars or nextchar in self.quotes
-                      or (self.whitespace_split and
-                          nextchar not in self.punctuation_chars)):
-                    self.token += nextchar
-                else:
-                    if self.punctuation_chars:
-                        self._pushback_chars.append(nextchar)
-                    else:
-                        self.pushback.appendleft(nextchar)
-                    if self.debug >= 2:
-                        print("shlex: I see punctuation in word state")
-                    self.state = ' '
-                    if self.token or (self.posix and quoted):
-                        break   # emit current token
-                    else:
-                        continue
-        result = self.token
-        self.token = ''
-        if self.posix and not quoted and result == '':
-            result = None
-        if self.debug > 1:
-            if result:
-                print("shlex: raw token=" + repr(result))
-            else:
-                print("shlex: raw token=EOF")
-        return result
-
-    def sourcehook(self, newfile):
-        "Hook called on a filename to be sourced."
-        if newfile[0] == '"':
-            newfile = newfile[1:-1]
-        # This implements cpp-like semantics for relative-path inclusion.
-        if isinstance(self.infile, str) and not os.path.isabs(newfile):
-            newfile = os.path.join(os.path.dirname(self.infile), newfile)
-        return (newfile, open(newfile, "r"))
-
-    def error_leader(self, infile=None, lineno=None):
-        "Emit a C-compiler-like, Emacs-friendly error-message leader."
-        if infile is None:
-            infile = self.infile
-        if lineno is None:
-            lineno = self.lineno
-        return "\"%s\", line %d: " % (infile, lineno)
-
-    def __iter__(self):
-        return self
-
-    def __next__(self):
-        token = self.get_token()
-        if token == self.eof:
-            raise StopIteration
-        return token
-
-def split(s, comments=False, posix=True):
-    """Split the string *s* using shell-like syntax."""
-    if s is None:
-        raise ValueError("s argument must not be None")
-    lex = shlex(s, posix=posix)
-    lex.whitespace_split = True
-    if not comments:
-        lex.commenters = ''
-    return list(lex)
-
-
-def join(split_command):
-    """Return a shell-escaped string from *split_command*."""
-    return ' '.join(quote(arg) for arg in split_command)
-
-
-_find_unsafe = re.compile(r'[^\w@%+=:,./-]', re.ASCII).search
-
-def quote(s):
-    """Return a shell-escaped version of the string *s*."""
-    if not s:
-        return "''"
-    if _find_unsafe(s) is None:
-        return s
-
-    # use single quotes, and put single quotes into double quotes
-    # the string $'b is then quoted as '$'"'"'b'
-    return "'" + s.replace("'", "'\"'\"'") + "'"
-
-
-def _print_tokens(lexer):
-    while tt := lexer.get_token():
-        print("Token: " + repr(tt))
-
-if __name__ == '__main__':
-    if len(sys.argv) == 1:
-        _print_tokens(shlex())
-    else:
-        fn = sys.argv[1]
-        with open(fn) as f:
-            _print_tokens(shlex(f, fn))