/usr/share/pyshared/enchant/checker/CmdLineChecker.py is in python-enchant 1.6.5-2.
This file is owned by root:root, with mode 0o644.
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#
# Copyright (C) 2004-2008, Ryan Kelly
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#
# In addition, as a special exception, you are
# given permission to link the code of this program with
# non-LGPL Spelling Provider libraries (eg: a MSFT Office
# spell checker backend) and distribute linked combinations including
# the two. You must obey the GNU Lesser General Public License in all
# respects for all of the code used other than said providers. If you modify
# this file, you may extend this exception to your version of the
# file, but you are not obligated to do so. If you do not wish to
# do so, delete this exception statement from your version.
#
"""
enchant.checker.CmdLineChecker: Command-Line spell checker
This module provides the class CmdLineChecker, which interactively
spellchecks a piece of text by interacting with the user on the
command line. It can also be run as a script to spellcheck a file.
"""
import sys
from enchant.checker import SpellChecker
from enchant.utils import printf
class CmdLineChecker:
"""A simple command-line spell checker.
This class implements a simple command-line spell checker. It must
be given a SpellChecker instance to operate on, and interacts with
the user by printing instructions on stdout and reading commands from
stdin.
"""
_DOC_ERRORS = ["stdout","stdin"]
def __init__(self):
self._stop = False
self._checker = None
def set_checker(self,chkr):
self._checker = chkr
def get_checker(self,chkr):
return self._checker
def run(self):
"""Run the spellchecking loop."""
self._stop = False
for err in self._checker:
self.error = err
printf(["ERROR:", err.word])
printf(["HOW ABOUT:", err.suggest()])
status = self.read_command()
while not status and not self._stop:
status = self.read_command()
if self._stop:
break
def print_help(self):
printf(["0..N: replace with the numbered suggestion"])
printf(["R0..rN: always replace with the numbered suggestion"])
printf(["i: ignore this word"])
printf(["I: always ignore this word"])
printf(["a: add word to personal dictionary"])
printf(["e: edit the word"])
printf(["q: quit checking"])
printf(["h: print this help message"])
printf(["----------------------------------------------------"])
printf(["HOW ABOUT:", self.error.suggest()])
def read_command(self):
cmd = raw_input(">> ")
cmd = cmd.strip()
if cmd.isdigit():
repl = int(cmd)
suggs = self.error.suggest()
if repl >= len(suggs):
printf(["No suggestion number", repl])
return False
printf(["Replacing '%s' with '%s'" % (self.error.word,suggs[repl])])
self.error.replace(suggs[repl])
return True
if cmd[0] == "R":
if not cmd[1:].isdigit():
printf(["Badly formatted command (try 'help')"])
return False
repl = int(cmd[1:])
suggs = self.error.suggest()
if repl >= len(suggs):
printf(["No suggestion number", repl])
return False
self.error.replace_always(suggs[repl])
return True
if cmd == "i":
return True
if cmd == "I":
self.error.ignore_always()
return True
if cmd == "a":
self.error.add()
return True
if cmd == "e":
repl = raw_input("New Word: ")
self.error.replace(repl.strip())
return True
if cmd == "q":
self._stop = True
return True
if "help".startswith(cmd.lower()):
self.print_help()
return False
printf(["Badly formatted command (try 'help')"])
return False
def run_on_file(self,infile,outfile=None,enc=None):
"""Run spellchecking on the named file.
This method can be used to run the spellchecker over the named file.
If <outfile> is not given, the corrected contents replace the contents
of <infile>. If <outfile> is given, the corrected contents will be
written to that file. Use "-" to have the contents written to stdout.
If <enc> is given, it specifies the encoding used to read the
file's contents into a unicode string. The output will be written
in the same encoding.
"""
inStr = "".join(file(infile,"r").readlines())
if enc is not None:
inStr = inStr.decode(enc)
self._checker.set_text(inStr)
self.run()
outStr = self._checker.get_text()
if enc is not None:
outStr = outStr.encode(enc)
if outfile is None:
outF = file(infile,"w")
elif outfile == "-":
outF = sys.stdout
else:
outF = file(outfile,"w")
outF.write(outStr)
outF.close()
run_on_file._DOC_ERRORS = ["outfile","infile","outfile","stdout"]
def _run_as_script():
"""Run the command-line spellchecker as a script.
This function allows the spellchecker to be invoked from the command-line
to check spelling in a file.
"""
# Check necessary command-line options
from optparse import OptionParser
op = OptionParser()
op.add_option("-o","--output",dest="outfile",metavar="FILE",
help="write changes into FILE")
op.add_option("-l","--lang",dest="lang",metavar="TAG",default="en_US",
help="use language idenfified by TAG")
op.add_option("-e","--encoding",dest="enc",metavar="ENC",
help="file is unicode with encoding ENC")
(opts,args) = op.parse_args()
# Sanity check
if len(args) < 1:
raise ValueError("Must name a file to check")
if len(args) > 1:
raise ValueError("Can only check a single file")
# Create and run the checker
chkr = SpellChecker(opts.lang)
cmdln = CmdLineChecker()
cmdln.set_checker(chkr)
cmdln.run_on_file(args[0],opts.outfile,opts.enc)
if __name__ == "__main__":
_run_as_script()
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