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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 glob
import logging
import command
class Completer(object):
def complete(self, original, pos):
"""returns a list of completions and cursor positions for the
string original from position pos on.
:param original: the complete string to complete
:type original: str
:param pos: starting position to complete from
:returns: a list of tuples (ctext, cpos), where ctext is the completed
string and cpos the cursor position in the new string
"""
return list()
def relevant_part(self, original, pos, sep=' '):
"""calculates the subword in a sep-splitted list of original
that pos is in"""
start = original.rfind(sep, 0, pos) + 1
end = original.find(sep, pos - 1)
if end == -1:
end = len(original)
return original[start:end], start, end, pos - start
class QueryCompleter(Completer):
"""completion for a notmuch query string"""
def __init__(self, dbman, accountman):
self.dbman = dbman
abooks = accountman.get_addressbooks()
self._contactscompleter = ContactsCompleter(abooks, addressesonly=True)
self._tagscompleter = TagsCompleter(dbman)
self.keywords = ['tag', 'from', 'to', 'subject', 'attachment',
'is', 'id', 'thread', 'folder']
def complete(self, original, pos):
mypart, start, end, mypos = self.relevant_part(original, pos)
myprefix = mypart[:mypos]
m = re.search('(tag|is|to):(\w*)', myprefix)
if m:
cmd, params = m.groups()
cmdlen = len(cmd) + 1 # length of the keyword part incld colon
if cmd == 'to':
localres = self._contactscompleter.complete(mypart[cmdlen:],
mypos - cmdlen)
else:
localres = self._tagscompleter.complete(mypart[cmdlen:],
mypos - cmdlen)
resultlist = []
for ltxt, lpos in localres:
newtext = original[:start] + cmd + ':' + ltxt + original[end:]
newpos = start + len(cmd) + 1 + lpos
resultlist.append((newtext, newpos))
return resultlist
else:
matched = filter(lambda t: t.startswith(myprefix), self.keywords)
resultlist = []
for keyword in matched:
newprefix = original[:start] + keyword + ':'
resultlist.append((newprefix + original[end:], len(newprefix)))
return resultlist
class TagsCompleter(Completer):
"""completion for a comma separated list of tagstrings"""
def __init__(self, dbman):
self.dbman = dbman
def complete(self, original, pos, single_tag=True):
tags = self.dbman.get_all_tags()
if single_tag:
prefix = original[:pos]
matching = [t for t in tags if t.startswith(prefix)]
return [(t, len(t)) for t in matching]
else:
mypart, start, end, mypos = self.relevant_part(original, pos,
sep=',')
prefix = mypart[:mypos]
res = []
for tag in tags:
if tag.startswith(prefix):
newprefix = original[:start] + tag
if not original[end:].startswith(','):
newprefix += ','
res.append((newprefix + original[end:], len(newprefix)))
return res
class ContactsCompleter(Completer):
"""completes contacts"""
def __init__(self, abooks, addressesonly=False):
self.abooks = abooks
self.addressesonly = addressesonly
def complete(self, original, pos):
if not self.abooks:
return []
prefix = original[:pos]
res = []
for abook in self.abooks:
res = res + abook.lookup(prefix)
if self.addressesonly:
returnlist = [(email, len(email)) for (name, email) in res]
else:
returnlist = []
for name, email in res:
newtext = "%s <%s>" % (name, email)
returnlist.append((newtext, len(newtext)))
return returnlist
class AccountCompleter(Completer):
"""completes own mailaddresses"""
def __init__(self, accountman):
self.accountman = accountman
def complete(self, original, pos):
valids = self.accountman.get_main_addresses()
prefix = original[:pos]
return [(a, len(a)) 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, pos):
#TODO refine <tab> should get current querystring
commandprefix = original[:pos]
logging.debug('original="%s" prefix="%s"' % (original, commandprefix))
cmdlist = command.COMMANDS['global']
cmdlist.update(command.COMMANDS[self.mode])
matching = [t for t in cmdlist if t.startswith(commandprefix)]
return [(t, len(t)) for t in matching]
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, accountman)
self._tagscompleter = TagsCompleter(dbman)
abooks = accountman.get_addressbooks()
self._contactscompleter = ContactsCompleter(abooks, addressesonly=True)
self._pathcompleter = PathCompleter()
def complete(self, line, pos):
words = line.split(' ', 1)
res = []
if pos <= len(words[0]): # we complete commands
for cmd, cpos in self._commandcompleter.complete(line, pos):
newtext = ('%s %s' % (cmd, ' '.join(words[1:])))
res.append((newtext, cpos + 1))
else:
cmd, params = words
localpos = pos - (len(cmd) + 1)
if cmd in ['search', 'refine']:
res = self._querycompleter.complete(params, localpos)
if cmd == 'retag':
res = self._tagscompleter.complete(params, localpos,
single_tag=False)
if cmd == 'toggletag':
res = self._tagscompleter.complete(params, localpos)
if cmd in ['to', 'compose']:
res = self._contactscompleter.complete(params, localpos)
if cmd in ['attach', 'edit', 'save']:
res = self._pathcompleter.complete(params, localpos)
res = [('%s %s' % (cmd, t), p + len(cmd) + 1) for (t, p) in res]
return res
class PathCompleter(Completer):
"""completion for paths"""
def complete(self, original, pos):
if not original:
return [('~/', 2)]
prefix = os.path.expanduser(original[:pos])
return [(f, len(f)) for f in glob.glob(prefix + '*')]
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