Gecko [ goons4good.org ]

Name	Size	Permission	Date
__pycache__	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
asyncio	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
collections	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
concurrent	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
config-3.4m	[ DIR ]	drwxr-xr-x	2024-05-26 02:19
ctypes	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
curses	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
dbm	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
distutils	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
email	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
encodings	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
ensurepip	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
html	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
http	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
idlelib	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
importlib	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
json	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
lib-dynload	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
lib2to3	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
logging	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
multiprocessing	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
plat-linux	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
pydoc_data	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
site-packages	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
sqlite3	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
test	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
unittest	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
urllib	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
venv	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
wsgiref	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
xml	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
xmlrpc	[ DIR ]	drwxr-xr-x	2024-05-26 02:18
__future__.py	4.48 KB	-rw-r--r--	2024-04-17 12:54
__phello__.foo.py	64 B	-rw-r--r--	2024-04-17 12:54
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_osx_support.py	18.65 KB	-rw-r--r--	2024-04-17 12:54
_pyio.py	72.16 KB	-rw-r--r--	2024-04-17 12:54
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_strptime.py	21.54 KB	-rw-r--r--	2024-04-17 12:54
_sysconfigdata.py	23.12 KB	-rw-r--r--	2024-04-17 12:54
_threading_local.py	7.24 KB	-rw-r--r--	2024-04-17 12:54
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abc.py	8.42 KB	-rw-r--r--	2024-04-17 12:54
aifc.py	30.84 KB	-rw-r--r--	2024-04-17 12:54
antigravity.py	475 B	-rw-r--r--	2024-04-17 12:54
argparse.py	87.92 KB	-rw-r--r--	2024-04-17 12:54
ast.py	11.75 KB	-rw-r--r--	2024-04-17 12:54
asynchat.py	11.55 KB	-rw-r--r--	2024-04-17 12:54
asyncore.py	20.51 KB	-rw-r--r--	2024-04-17 12:54
base64.py	19.71 KB	-rwxr-xr-x	2024-04-17 12:54
bdb.py	22.81 KB	-rw-r--r--	2024-04-17 12:54
binhex.py	13.6 KB	-rw-r--r--	2024-04-17 12:54
bisect.py	2.53 KB	-rw-r--r--	2024-04-17 12:54
bz2.py	18.42 KB	-rw-r--r--	2024-04-17 12:54
cProfile.py	5.2 KB	-rwxr-xr-x	2024-04-17 12:54
calendar.py	22.4 KB	-rw-r--r--	2024-04-17 12:54
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chunk.py	5.3 KB	-rw-r--r--	2024-04-17 12:54
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codeop.py	5.85 KB	-rw-r--r--	2024-04-17 12:54
colorsys.py	3.97 KB	-rw-r--r--	2024-04-17 12:54
compileall.py	9.39 KB	-rw-r--r--	2024-04-17 12:54
configparser.py	48.53 KB	-rw-r--r--	2024-04-17 12:54
contextlib.py	11.37 KB	-rw-r--r--	2024-04-17 12:54
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csv.py	15.81 KB	-rw-r--r--	2024-04-17 12:54
datetime.py	74.03 KB	-rw-r--r--	2024-04-17 12:54
decimal.py	223.33 KB	-rw-r--r--	2024-04-17 12:54
difflib.py	79.77 KB	-rw-r--r--	2024-04-17 12:54
dis.py	16.76 KB	-rw-r--r--	2024-04-17 12:54
doctest.py	102.04 KB	-rw-r--r--	2024-04-17 12:54
dummy_threading.py	2.75 KB	-rw-r--r--	2024-04-17 12:54
enum.py	21.03 KB	-rw-r--r--	2024-04-17 12:54
filecmp.py	9.6 KB	-rw-r--r--	2024-04-17 12:54
fileinput.py	14.52 KB	-rw-r--r--	2024-04-17 12:54
fnmatch.py	3.09 KB	-rw-r--r--	2024-04-17 12:54
formatter.py	14.82 KB	-rw-r--r--	2024-04-17 12:54
fractions.py	22.66 KB	-rw-r--r--	2024-04-17 12:54
ftplib.py	37.63 KB	-rw-r--r--	2024-04-17 12:54
functools.py	27.84 KB	-rw-r--r--	2024-04-17 12:54
genericpath.py	3.79 KB	-rw-r--r--	2024-04-17 12:54
getopt.py	7.31 KB	-rw-r--r--	2024-04-17 12:54
getpass.py	5.93 KB	-rw-r--r--	2024-04-17 12:54
gettext.py	20.28 KB	-rw-r--r--	2024-04-17 12:54
glob.py	3.38 KB	-rw-r--r--	2024-04-17 12:54
gzip.py	23.74 KB	-rw-r--r--	2024-04-17 12:54
hashlib.py	9.62 KB	-rw-r--r--	2024-04-17 12:54
heapq.py	17.58 KB	-rw-r--r--	2024-04-17 12:54
hmac.py	4.94 KB	-rw-r--r--	2024-04-17 12:54
imaplib.py	49.09 KB	-rw-r--r--	2024-04-17 12:54
imghdr.py	3.45 KB	-rw-r--r--	2024-04-17 12:54
imp.py	9.75 KB	-rw-r--r--	2024-04-17 12:54
inspect.py	102.19 KB	-rw-r--r--	2024-04-17 12:54
io.py	3.32 KB	-rw-r--r--	2024-04-17 12:54
ipaddress.py	69.92 KB	-rw-r--r--	2024-04-17 12:54
keyword.py	2.17 KB	-rwxr-xr-x	2024-04-17 12:54
linecache.py	3.86 KB	-rw-r--r--	2024-04-17 12:54
locale.py	72.78 KB	-rw-r--r--	2024-04-17 12:54
lzma.py	18.92 KB	-rw-r--r--	2024-04-17 12:54
macpath.py	5.49 KB	-rw-r--r--	2024-04-17 12:54
macurl2path.py	2.67 KB	-rw-r--r--	2024-04-17 12:54
mailbox.py	76.54 KB	-rw-r--r--	2024-04-17 12:54
mailcap.py	7.26 KB	-rw-r--r--	2024-04-17 12:54
mimetypes.py	20.29 KB	-rw-r--r--	2024-04-17 12:54
modulefinder.py	22.87 KB	-rw-r--r--	2024-04-17 12:54
netrc.py	5.61 KB	-rw-r--r--	2024-04-17 12:54
nntplib.py	42.07 KB	-rw-r--r--	2024-04-17 12:54
ntpath.py	20 KB	-rw-r--r--	2024-04-17 12:54
nturl2path.py	2.39 KB	-rw-r--r--	2024-04-17 12:54
numbers.py	10 KB	-rw-r--r--	2024-04-17 12:54
opcode.py	5.31 KB	-rw-r--r--	2024-04-17 12:54
operator.py	8.98 KB	-rw-r--r--	2024-04-17 12:54
optparse.py	58.93 KB	-rw-r--r--	2024-04-17 12:54
os.py	33.09 KB	-rw-r--r--	2024-04-17 12:54
pathlib.py	41.47 KB	-rw-r--r--	2024-04-17 12:54
pdb.py	59.56 KB	-rwxr-xr-x	2024-04-17 12:54
pickle.py	54.68 KB	-rw-r--r--	2024-04-17 12:54
pickletools.py	89.61 KB	-rw-r--r--	2024-04-17 12:54
pipes.py	8.71 KB	-rw-r--r--	2024-04-17 12:54
pkgutil.py	20.72 KB	-rw-r--r--	2024-04-17 12:54
platform.py	45.67 KB	-rwxr-xr-x	2024-04-17 12:54
plistlib.py	31.05 KB	-rw-r--r--	2024-04-17 12:54
poplib.py	13.98 KB	-rw-r--r--	2024-04-17 12:54
posixpath.py	13.13 KB	-rw-r--r--	2024-04-17 12:54
pprint.py	14.57 KB	-rw-r--r--	2024-04-17 12:54
profile.py	21.52 KB	-rwxr-xr-x	2024-04-17 12:54
pstats.py	25.7 KB	-rw-r--r--	2024-04-17 12:54
pty.py	4.65 KB	-rw-r--r--	2024-04-17 12:54
py_compile.py	6.94 KB	-rw-r--r--	2024-04-17 12:54
pyclbr.py	13.2 KB	-rw-r--r--	2024-04-17 12:54
pydoc.py	100.6 KB	-rwxr-xr-x	2024-04-17 12:54
queue.py	8.63 KB	-rw-r--r--	2024-04-17 12:54
quopri.py	7.09 KB	-rwxr-xr-x	2024-04-17 12:54
random.py	25.47 KB	-rw-r--r--	2024-04-17 12:54
re.py	15.24 KB	-rw-r--r--	2024-04-17 12:54
reprlib.py	4.99 KB	-rw-r--r--	2024-04-17 12:54
rlcompleter.py	5.93 KB	-rw-r--r--	2024-04-17 12:54
runpy.py	10.56 KB	-rw-r--r--	2024-04-17 12:54
sched.py	6.21 KB	-rw-r--r--	2024-04-17 12:54
selectors.py	16.7 KB	-rw-r--r--	2024-04-17 12:54
shelve.py	8.33 KB	-rw-r--r--	2024-04-17 12:54
shlex.py	11.28 KB	-rw-r--r--	2024-04-17 12:54
shutil.py	38.97 KB	-rw-r--r--	2024-04-17 12:54
site.py	21.05 KB	-rw-r--r--	2024-04-17 12:54
smtpd.py	29.29 KB	-rwxr-xr-x	2024-04-17 12:54
smtplib.py	38.06 KB	-rwxr-xr-x	2024-04-17 12:54
sndhdr.py	6.11 KB	-rw-r--r--	2024-04-17 12:54
socket.py	18.62 KB	-rw-r--r--	2024-04-17 12:54
socketserver.py	23.8 KB	-rw-r--r--	2024-04-17 12:54
sre_compile.py	19.44 KB	-rw-r--r--	2024-04-17 12:54
sre_constants.py	7.1 KB	-rw-r--r--	2024-04-17 12:54
sre_parse.py	30.69 KB	-rw-r--r--	2024-04-17 12:54
ssl.py	33.85 KB	-rw-r--r--	2024-04-17 12:54
stat.py	4.3 KB	-rw-r--r--	2024-04-17 12:54
statistics.py	19.1 KB	-rw-r--r--	2024-04-17 12:54
string.py	11.18 KB	-rw-r--r--	2024-04-17 12:54
stringprep.py	12.61 KB	-rw-r--r--	2024-04-17 12:54
struct.py	257 B	-rw-r--r--	2024-04-17 12:54
subprocess.py	63.04 KB	-rw-r--r--	2024-04-17 12:54
sunau.py	17.67 KB	-rw-r--r--	2024-04-17 12:54
symbol.py	2 KB	-rwxr-xr-x	2024-04-17 12:54
symtable.py	7.23 KB	-rw-r--r--	2024-04-17 12:54
sysconfig.py	24.05 KB	-rw-r--r--	2024-04-17 12:54
tabnanny.py	11.14 KB	-rwxr-xr-x	2024-04-17 12:54
tarfile.py	89.41 KB	-rwxr-xr-x	2024-04-17 12:54
telnetlib.py	22.53 KB	-rw-r--r--	2024-04-17 12:54
tempfile.py	22 KB	-rw-r--r--	2024-04-17 12:54
textwrap.py	18.83 KB	-rw-r--r--	2024-04-17 12:54
this.py	1003 B	-rw-r--r--	2024-04-17 12:54
threading.py	47.66 KB	-rw-r--r--	2024-04-17 12:54
timeit.py	11.69 KB	-rwxr-xr-x	2024-04-17 12:54
token.py	2.96 KB	-rw-r--r--	2024-04-17 12:54
tokenize.py	25 KB	-rw-r--r--	2024-04-17 12:54
trace.py	30.75 KB	-rwxr-xr-x	2024-04-17 12:54
traceback.py	10.91 KB	-rw-r--r--	2024-04-17 12:54
tracemalloc.py	15.28 KB	-rw-r--r--	2024-04-17 12:54
tty.py	879 B	-rw-r--r--	2024-04-17 12:54
types.py	5.28 KB	-rw-r--r--	2024-04-17 12:54
uu.py	6.61 KB	-rwxr-xr-x	2024-04-17 12:54
uuid.py	23.17 KB	-rw-r--r--	2024-04-17 12:54
warnings.py	13.97 KB	-rw-r--r--	2024-04-17 12:54
wave.py	17.27 KB	-rw-r--r--	2024-04-17 12:54
weakref.py	18.93 KB	-rw-r--r--	2024-04-17 12:54
webbrowser.py	20.93 KB	-rwxr-xr-x	2024-04-17 12:54
xdrlib.py	5.77 KB	-rw-r--r--	2024-04-17 12:54
zipfile.py	66.94 KB	-rw-r--r--	2024-04-17 12:54

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.

import os
import re
import sys
from collections import deque

from io import StringIO

__all__ = ["shlex", "split", "quote"]

class shlex:
    "A lexical analyzer class for simple shell-like syntaxes."
    def __init__(self, instream=None, infile=None, posix=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 self.debug:
            print('shlex: reading from %s, line %d' \
                  % (self.instream, self.lineno))

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:
            nextchar = self.instream.read(1)
            if nextchar == '\n':
                self.lineno = self.lineno + 1
            if self.debug >= 3:
                print("shlex: in state", repr(self.state), \
                      "I see character:", repr(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 = 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.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 = 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 = 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.token + self.state
                self.token = self.token + nextchar
                self.state = escapedstate
            elif self.state == 'a':
                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 = self.lineno + 1
                    if self.posix:
                        self.state = ' '
                        if self.token or (self.posix and quoted):
                            break   # emit current token
                        else:
                            continue
                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:
                    self.token = self.token + nextchar
                else:
                    self.pushback.appendleft(nextchar)
                    if self.debug >= 2:
                        print("shlex: I see punctuation in word state")
                    self.state = ' '
                    if self.token:
                        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):
    lex = shlex(s, posix=posix)
    lex.whitespace_split = True
    if not comments:
        lex.commenters = ''
    return list(lex)

_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 1:
        tt = lexer.get_token()
        if not tt:
            break
        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))