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Name	Size	Permission	Date
__phello__	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
__pycache__	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
asyncio	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
collections	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
concurrent	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
ctypes	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
curses	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
dbm	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
email	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
encodings	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
html	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
http	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
importlib	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
json	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
lib-dynload	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
logging	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
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test	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
tomllib	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
unittest	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
urllib	[ DIR ]	drwxr-xr-x	2024-12-17 16:05
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LICENSE.txt	13.61 KB	-rw-r--r--	2024-11-06 18:32
__future__.py	5.1 KB	-rw-r--r--	2024-11-06 18:32
__hello__.py	227 B	-rw-r--r--	2024-11-06 18:32
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abc.py	6.38 KB	-rw-r--r--	2024-11-06 18:32
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calendar.py	24.82 KB	-rw-r--r--	2024-11-06 18:32
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csv.py	16 KB	-rw-r--r--	2024-11-06 18:32
dataclasses.py	60.31 KB	-rw-r--r--	2024-11-06 18:32
datetime.py	268 B	-rw-r--r--	2024-11-06 18:32
decimal.py	320 B	-rw-r--r--	2024-11-06 18:32
difflib.py	81.36 KB	-rw-r--r--	2024-11-06 18:32
dis.py	29.5 KB	-rw-r--r--	2024-11-06 18:32
doctest.py	103.98 KB	-rw-r--r--	2024-11-06 18:32
enum.py	79.72 KB	-rw-r--r--	2024-11-06 18:32
filecmp.py	9.95 KB	-rw-r--r--	2024-11-06 18:32
fileinput.py	15.35 KB	-rw-r--r--	2024-11-06 18:32
fnmatch.py	5.86 KB	-rw-r--r--	2024-11-06 18:32
fractions.py	37.17 KB	-rw-r--r--	2024-11-06 18:32
ftplib.py	33.92 KB	-rw-r--r--	2024-11-06 18:32
functools.py	37.23 KB	-rw-r--r--	2024-11-06 18:32
genericpath.py	5.18 KB	-rw-r--r--	2024-11-06 18:32
getopt.py	7.31 KB	-rw-r--r--	2024-11-06 18:32
getpass.py	5.85 KB	-rw-r--r--	2024-11-06 18:32
gettext.py	21.24 KB	-rw-r--r--	2024-11-06 18:32
glob.py	8.53 KB	-rw-r--r--	2024-11-06 18:32
graphlib.py	9.43 KB	-rw-r--r--	2024-11-06 18:32
gzip.py	24.28 KB	-rw-r--r--	2024-11-06 18:32
hashlib.py	9.13 KB	-rw-r--r--	2024-11-06 18:32
heapq.py	22.48 KB	-rw-r--r--	2024-11-06 18:32
hmac.py	7.54 KB	-rw-r--r--	2024-11-06 18:32
imaplib.py	52.43 KB	-rw-r--r--	2024-11-06 18:32
imghdr.py	4.29 KB	-rw-r--r--	2024-11-06 18:32
inspect.py	122.48 KB	-rw-r--r--	2024-11-06 18:32
io.py	3.5 KB	-rw-r--r--	2024-11-06 18:32
ipaddress.py	76.46 KB	-rw-r--r--	2024-11-06 18:32
keyword.py	1.05 KB	-rw-r--r--	2024-11-06 18:32
linecache.py	5.52 KB	-rw-r--r--	2024-11-06 18:32
locale.py	76.72 KB	-rw-r--r--	2024-11-06 18:32
lzma.py	12.97 KB	-rw-r--r--	2024-11-06 18:32
mailbox.py	77.06 KB	-rw-r--r--	2024-11-06 18:32
mailcap.py	9.11 KB	-rw-r--r--	2024-11-06 18:32
mimetypes.py	22.35 KB	-rw-r--r--	2024-11-06 18:32
modulefinder.py	23.14 KB	-rw-r--r--	2024-11-06 18:32
netrc.py	6.76 KB	-rw-r--r--	2024-11-06 18:32
nntplib.py	40.12 KB	-rw-r--r--	2024-11-06 18:32
ntpath.py	30.75 KB	-rw-r--r--	2024-11-06 18:32
nturl2path.py	2.82 KB	-rw-r--r--	2024-11-06 18:32
numbers.py	11.2 KB	-rw-r--r--	2024-11-06 18:32
opcode.py	12.87 KB	-rw-r--r--	2024-11-06 18:32
operator.py	10.71 KB	-rw-r--r--	2024-11-06 18:32
optparse.py	58.95 KB	-rw-r--r--	2024-11-06 18:32
os.py	38.85 KB	-rw-r--r--	2024-11-06 18:32
pathlib.py	49.95 KB	-rw-r--r--	2024-11-06 18:32
pdb.py	67.83 KB	-rwxr-xr-x	2024-11-06 18:32
pickle.py	63.38 KB	-rw-r--r--	2024-11-06 18:32
pickletools.py	91.66 KB	-rw-r--r--	2024-11-06 18:32
pipes.py	8.77 KB	-rw-r--r--	2024-11-06 18:32
pkgutil.py	17.85 KB	-rw-r--r--	2024-11-06 18:32
platform.py	42.32 KB	-rwxr-xr-x	2024-11-06 18:32
plistlib.py	27.68 KB	-rw-r--r--	2024-11-06 18:32
poplib.py	13.83 KB	-rw-r--r--	2024-11-06 18:32
posixpath.py	17.15 KB	-rw-r--r--	2024-11-06 18:32
pprint.py	23.59 KB	-rw-r--r--	2024-11-06 18:32
profile.py	22.55 KB	-rwxr-xr-x	2024-11-06 18:32
pstats.py	28.6 KB	-rw-r--r--	2024-11-06 18:32
pty.py	5.99 KB	-rw-r--r--	2024-11-06 18:32
py_compile.py	7.69 KB	-rw-r--r--	2024-11-06 18:32
pyclbr.py	11.13 KB	-rw-r--r--	2024-11-06 18:32
pydoc.py	110.44 KB	-rwxr-xr-x	2024-11-06 18:32
queue.py	11.23 KB	-rw-r--r--	2024-11-06 18:32
quopri.py	7.01 KB	-rwxr-xr-x	2024-11-06 18:32
random.py	33.87 KB	-rw-r--r--	2024-11-06 18:32
reprlib.py	6.42 KB	-rw-r--r--	2024-11-06 18:32
rlcompleter.py	7.64 KB	-rw-r--r--	2024-11-06 18:32
runpy.py	12.6 KB	-rw-r--r--	2024-11-06 18:32
sched.py	6.2 KB	-rw-r--r--	2024-11-06 18:32
secrets.py	1.94 KB	-rw-r--r--	2024-11-06 18:32
selectors.py	19.21 KB	-rw-r--r--	2024-11-06 18:32
shelve.py	8.36 KB	-rw-r--r--	2024-11-06 18:32
shlex.py	13.04 KB	-rw-r--r--	2024-11-06 18:32
shutil.py	56.76 KB	-rw-r--r--	2024-11-06 18:32
signal.py	2.44 KB	-rw-r--r--	2024-11-06 18:32
site.py	23.34 KB	-rw-r--r--	2024-11-06 18:32
smtplib.py	42.51 KB	-rwxr-xr-x	2024-11-06 18:32
sndhdr.py	7.27 KB	-rw-r--r--	2024-11-06 18:32
socket.py	36.53 KB	-rw-r--r--	2024-11-06 18:32
socketserver.py	27.2 KB	-rw-r--r--	2024-11-06 18:32
sre_compile.py	231 B	-rw-r--r--	2024-11-06 18:32
sre_constants.py	232 B	-rw-r--r--	2024-11-06 18:32
sre_parse.py	229 B	-rw-r--r--	2024-11-06 18:32
ssl.py	49.63 KB	-rw-r--r--	2024-11-06 18:32
stat.py	5.36 KB	-rw-r--r--	2024-11-06 18:32
statistics.py	49.05 KB	-rw-r--r--	2024-11-06 18:32
string.py	11.51 KB	-rw-r--r--	2024-11-06 18:32
stringprep.py	12.61 KB	-rw-r--r--	2024-11-06 18:32
struct.py	257 B	-rw-r--r--	2024-11-06 18:32
subprocess.py	86.65 KB	-rw-r--r--	2024-11-06 18:32
sunau.py	18.04 KB	-rw-r--r--	2024-11-06 18:32
symtable.py	10.5 KB	-rw-r--r--	2024-11-06 18:32
sysconfig.py	32 KB	-rw-r--r--	2024-11-06 18:32
tabnanny.py	11.26 KB	-rwxr-xr-x	2024-11-06 18:32
tarfile.py	105.93 KB	-rwxr-xr-x	2024-11-06 18:32
telnetlib.py	22.75 KB	-rw-r--r--	2024-11-06 18:32
tempfile.py	36.46 KB	-rw-r--r--	2024-11-06 18:32
textwrap.py	19.26 KB	-rw-r--r--	2024-11-06 18:32
this.py	1003 B	-rw-r--r--	2024-11-06 18:32
threading.py	58.71 KB	-rw-r--r--	2024-11-06 18:32
timeit.py	13.15 KB	-rwxr-xr-x	2024-11-06 18:32
token.py	2.42 KB	-rw-r--r--	2024-11-06 18:32
tokenize.py	20.72 KB	-rw-r--r--	2024-11-06 18:32
trace.py	28.5 KB	-rwxr-xr-x	2024-11-06 18:32
traceback.py	45.24 KB	-rw-r--r--	2024-11-06 18:32
tracemalloc.py	17.62 KB	-rw-r--r--	2024-11-06 18:32
tty.py	1.99 KB	-rw-r--r--	2024-11-06 18:32
turtle.py	142.93 KB	-rw-r--r--	2024-11-06 18:32
types.py	10.74 KB	-rw-r--r--	2024-11-06 18:32
typing.py	114.68 KB	-rw-r--r--	2024-11-06 18:32
uu.py	7.19 KB	-rwxr-xr-x	2024-11-06 18:32
uuid.py	28.96 KB	-rw-r--r--	2024-11-06 18:32
warnings.py	21.25 KB	-rw-r--r--	2024-11-06 18:32
wave.py	22.24 KB	-rw-r--r--	2024-11-06 18:32
weakref.py	21.01 KB	-rw-r--r--	2024-11-06 18:32
webbrowser.py	23.07 KB	-rwxr-xr-x	2024-11-06 18:32
xdrlib.py	5.8 KB	-rw-r--r--	2024-11-06 18:32
zipapp.py	7.37 KB	-rw-r--r--	2024-11-06 18:32
zipimport.py	27.47 KB	-rw-r--r--	2024-11-06 18:32

Rename

"""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))