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"""
This file is part of alot.
Alot is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation, either version 3 of the License, or (at your
option) any later version.
Notmuch 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 General Public License
for more details.
You should have received a copy of the GNU General Public License
along with notmuch. If not, see <http://www.gnu.org/licenses/>.
Copyright (C) 2011 Patrick Totzke <patricktotzke@gmail.com>
"""
import re
import os
import command
class Completer:
def complete(self, original):
"""takes a string that's the prefix of a word,
returns a list of suffix-strings that complete the original"""
return list()
class QueryCompleter(Completer):
"""completion for a notmuch query string"""
# TODO: boolean connectors and braces?
def __init__(self, dbman):
self.dbman = dbman
self._contactscompleter = ContactsCompleter()
self._tagscompleter = TagsCompleter(dbman)
self.keywords = ['tag', 'from', 'to', 'subject', 'attachment',
'is', 'id', 'thread', 'folder']
def complete(self, original):
prefix = original.split(' ')[-1]
m = re.search('(tag|is|to):(\w*)', prefix)
if m:
cmd, params = m.groups()
if cmd == 'to':
return self._contactscompleter.complete(params)
else:
return self._tagscompleter.complete(params, last=True)
else:
plen = len(prefix)
matched = filter(lambda t: t.startswith(prefix), self.keywords)
return [t[plen:] + ':' for t in matched]
class TagsCompleter(Completer):
"""completion for a comma separated list of tagstrings"""
def __init__(self, dbman):
self.dbman = dbman
def complete(self, original, last=False):
otags = original.split(',')
prefix = otags[-1]
tags = self.dbman.get_all_tags()
if len(otags) > 1 and last:
return []
else:
matching = [t[len(prefix):] for t in tags if t.startswith(prefix)]
if last:
return matching
else:
return [t + ',' for t in matching]
class ContactsCompleter(Completer):
"""completes contacts"""
def complete(self, prefix):
# TODO
return []
class AccountCompleter(Completer):
"""completes own mailaddresses"""
def __init__(self, accountman):
self.accountman = accountman
def complete(self, prefix):
valids = self.accountman.get_main_addresses()
return [a[len(prefix):] for a in valids if a.startswith(prefix)]
class CommandCompleter(Completer):
"""completes commands"""
def __init__(self, dbman, mode):
self.dbman = dbman
self.mode = mode
def complete(self, original):
#TODO refine <tab> should get current querystring
cmdlist = command.COMMANDS['global']
cmdlist.update(command.COMMANDS[self.mode])
olen = len(original)
return [t[olen:] + '' for t in cmdlist if t.startswith(original)]
class CommandLineCompleter(Completer):
"""completion for commandline"""
def __init__(self, dbman, accountman, mode):
self.dbman = dbman
self.accountman = accountman
self.mode = mode
self._commandcompleter = CommandCompleter(dbman, mode)
self._querycompleter = QueryCompleter(dbman)
self._tagscompleter = TagsCompleter(dbman)
self._contactscompleter = ContactsCompleter()
self._pathcompleter = PathCompleter()
def complete(self, prefix):
words = prefix.split(' ', 1)
if len(words) <= 1: # we complete commands
return self._commandcompleter.complete(prefix)
else:
cmd, params = words
if cmd in ['search', 'refine']:
return self._querycompleter.complete(params)
if cmd == 'retag':
return self._tagscompleter.complete(params)
if cmd == 'toggletag':
return self._tagscompleter.complete(params, last=True)
if cmd in ['to', 'compose']:
return self._contactscompleter.complete(params)
if cmd in ['attach', 'edit', 'save']:
return self._pathcompleter.complete(params)
else:
return []
class PathCompleter(Completer):
"""completion for paths"""
def complete(self, prefix):
if not prefix:
return ['~/']
dir = os.path.expanduser(os.path.dirname(prefix))
fileprefix = os.path.basename(prefix)
res = []
if os.path.isdir(dir):
for f in os.listdir(dir):
if f.startswith(fileprefix):
res.append(f[len(fileprefix):])
return res
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