dotfiles/weechat/.weechat/python/go.py

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2018-08-09 00:20:19 +00:00
# -*- coding: utf-8 -*-
#
# Copyright (C) 2009-2014 Sébastien Helleu <flashcode@flashtux.org>
# Copyright (C) 2010 m4v <lambdae2@gmail.com>
# Copyright (C) 2011 stfn <stfnmd@googlemail.com>
#
# This program 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.
#
# This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
#
# History:
#
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# 2021-05-25, Tomáš Janoušek <tomi@nomi.cz>:
# version 2.7: add new option to prefix short names with server names
2019-10-24 00:49:15 +00:00
# 2019-07-11, Simmo Saan <simmo.saan@gmail.com>
# version 2.6: fix detection of "/input search_text_here"
2018-08-09 00:20:19 +00:00
# 2017-04-01, Sébastien Helleu <flashcode@flashtux.org>:
# version 2.5: add option "buffer_number"
# 2017-03-02, Sébastien Helleu <flashcode@flashtux.org>:
# version 2.4: fix syntax and indentation error
# 2017-02-25, Simmo Saan <simmo.saan@gmail.com>
# version 2.3: fix fuzzy search breaking buffer number search display
# 2016-01-28, ylambda <ylambda@koalabeast.com>
# version 2.2: add option "fuzzy_search"
# 2015-11-12, nils_2 <weechatter@arcor.de>
# version 2.1: fix problem with buffer short_name "weechat", using option
# "use_core_instead_weechat", see:
# https://github.com/weechat/weechat/issues/574
# 2014-05-12, Sébastien Helleu <flashcode@flashtux.org>:
# version 2.0: add help on options, replace option "sort_by_activity" by
# "sort" (add sort by name and first match at beginning of
# name and by number), PEP8 compliance
# 2012-11-26, Nei <anti.teamidiot.de>
# version 1.9: add auto_jump option to automatically go to buffer when it
# is uniquely selected
# 2012-09-17, Sébastien Helleu <flashcode@flashtux.org>:
# version 1.8: fix jump to non-active merged buffers (jump with buffer name
# instead of number)
# 2012-01-03 nils_2 <weechatter@arcor.de>
# version 1.7: add option "use_core_instead_weechat"
# 2012-01-03, Sébastien Helleu <flashcode@flashtux.org>:
# version 1.6: make script compatible with Python 3.x
# 2011-08-24, stfn <stfnmd@googlemail.com>:
# version 1.5: /go with name argument jumps directly to buffer
# Remember cursor position in buffer input
# 2011-05-31, Elián Hanisch <lambdae2@gmail.com>:
# version 1.4: Sort list of buffers by activity.
# 2011-04-25, Sébastien Helleu <flashcode@flashtux.org>:
# version 1.3: add info "go_running" (used by script input_lock.rb)
# 2010-11-01, Sébastien Helleu <flashcode@flashtux.org>:
# version 1.2: use high priority for hooks to prevent conflict with other
# plugins/scripts (WeeChat >= 0.3.4 only)
# 2010-03-25, Elián Hanisch <lambdae2@gmail.com>:
# version 1.1: use a space to match the end of a string
# 2009-11-16, Sébastien Helleu <flashcode@flashtux.org>:
# version 1.0: add new option to display short names
# 2009-06-15, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.9: fix typo in /help go with command /key
# 2009-05-16, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.8: search buffer by number, fix bug when window is split
# 2009-05-03, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.7: eat tab key (do not complete input, just move buffer
# pointer)
# 2009-05-02, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.6: sync with last API changes
# 2009-03-22, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.5: update modifier signal name for input text display,
# fix arguments for function string_remove_color
# 2009-02-18, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.4: do not hook command and init options if register failed
# 2009-02-08, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.3: case insensitive search for buffers names
# 2009-02-08, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.2: add help about Tab key
# 2009-02-08, Sébastien Helleu <flashcode@flashtux.org>:
# version 0.1: initial release
#
"""
Quick jump to buffers.
(this script requires WeeChat 0.3.0 or newer)
"""
from __future__ import print_function
SCRIPT_NAME = 'go'
SCRIPT_AUTHOR = 'Sébastien Helleu <flashcode@flashtux.org>'
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SCRIPT_VERSION = '2.7'
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SCRIPT_LICENSE = 'GPL3'
SCRIPT_DESC = 'Quick jump to buffers'
SCRIPT_COMMAND = 'go'
IMPORT_OK = True
try:
import weechat
except ImportError:
print('This script must be run under WeeChat.')
print('Get WeeChat now at: http://www.weechat.org/')
IMPORT_OK = False
import re
# script options
SETTINGS = {
'color_number': (
'yellow,magenta',
'color for buffer number (not selected)'),
'color_number_selected': (
'yellow,red',
'color for selected buffer number'),
'color_name': (
'black,cyan',
'color for buffer name (not selected)'),
'color_name_selected': (
'black,brown',
'color for a selected buffer name'),
'color_name_highlight': (
'red,cyan',
'color for highlight in buffer name (not selected)'),
'color_name_highlight_selected': (
'red,brown',
'color for highlight in a selected buffer name'),
'message': (
'Go to: ',
'message to display before list of buffers'),
'short_name': (
'off',
'display and search in short names instead of buffer name'),
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'short_name_server': (
'off',
'prefix short names with server names for search and display'),
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'sort': (
'number,beginning',
'comma-separated list of keys to sort buffers '
'(the order is important, sorts are performed in the given order): '
'name = sort by name (or short name), ',
'hotlist = sort by hotlist order, '
'number = first match a buffer number before digits in name, '
'beginning = first match at beginning of names (or short names); '
'the default sort of buffers is by numbers'),
'use_core_instead_weechat': (
'off',
'use name "core" instead of "weechat" for core buffer'),
'auto_jump': (
'off',
'automatically jump to buffer when it is uniquely selected'),
'fuzzy_search': (
'off',
'search buffer matches using approximation'),
'buffer_number': (
'on',
'display buffer number'),
}
# hooks management
HOOK_COMMAND_RUN = {
'input': ('/input *', 'go_command_run_input'),
'buffer': ('/buffer *', 'go_command_run_buffer'),
'window': ('/window *', 'go_command_run_window'),
}
hooks = {}
# input before command /go (we'll restore it later)
saved_input = ''
saved_input_pos = 0
# last user input (if changed, we'll update list of matching buffers)
old_input = None
# matching buffers
buffers = []
buffers_pos = 0
def go_option_enabled(option):
"""Checks if a boolean script option is enabled or not."""
return weechat.config_string_to_boolean(weechat.config_get_plugin(option))
def go_info_running(data, info_name, arguments):
"""Returns "1" if go is running, otherwise "0"."""
return '1' if 'modifier' in hooks else '0'
def go_unhook_one(hook):
"""Unhook something hooked by this script."""
global hooks
if hook in hooks:
weechat.unhook(hooks[hook])
del hooks[hook]
def go_unhook_all():
"""Unhook all."""
go_unhook_one('modifier')
for hook in HOOK_COMMAND_RUN:
go_unhook_one(hook)
def go_hook_all():
"""Hook command_run and modifier."""
global hooks
priority = ''
version = weechat.info_get('version_number', '') or 0
# use high priority for hook to prevent conflict with other plugins/scripts
# (WeeChat >= 0.3.4 only)
if int(version) >= 0x00030400:
priority = '2000|'
for hook, value in HOOK_COMMAND_RUN.items():
if hook not in hooks:
hooks[hook] = weechat.hook_command_run(
'%s%s' % (priority, value[0]),
value[1], '')
if 'modifier' not in hooks:
hooks['modifier'] = weechat.hook_modifier(
'input_text_display_with_cursor', 'go_input_modifier', '')
def go_start(buf):
"""Start go on buffer."""
global saved_input, saved_input_pos, old_input, buffers_pos
go_hook_all()
saved_input = weechat.buffer_get_string(buf, 'input')
saved_input_pos = weechat.buffer_get_integer(buf, 'input_pos')
weechat.buffer_set(buf, 'input', '')
old_input = None
buffers_pos = 0
def go_end(buf):
"""End go on buffer."""
global saved_input, saved_input_pos, old_input
go_unhook_all()
weechat.buffer_set(buf, 'input', saved_input)
weechat.buffer_set(buf, 'input_pos', str(saved_input_pos))
old_input = None
def go_match_beginning(buf, string):
"""Check if a string matches the beginning of buffer name/short name."""
if not string:
return False
esc_str = re.escape(string)
if re.search(r'^#?' + esc_str, buf['name']) \
or re.search(r'^#?' + esc_str, buf['short_name']):
return True
return False
def go_match_fuzzy(name, string):
"""Check if string matches name using approximation."""
if not string:
return False
name_len = len(name)
string_len = len(string)
if string_len > name_len:
return False
if name_len == string_len:
return name == string
# Attempt to match all chars somewhere in name
prev_index = -1
for i, char in enumerate(string):
index = name.find(char, prev_index+1)
if index == -1:
return False
prev_index = index
return True
def go_now(buf, args):
"""Go to buffer specified by args."""
listbuf = go_matching_buffers(args)
if not listbuf:
return
# prefer buffer that matches at beginning (if option is enabled)
if 'beginning' in weechat.config_get_plugin('sort').split(','):
for index in range(len(listbuf)):
if go_match_beginning(listbuf[index], args):
weechat.command(buf,
'/buffer ' + str(listbuf[index]['full_name']))
return
# jump to first buffer in matching buffers by default
weechat.command(buf, '/buffer ' + str(listbuf[0]['full_name']))
def go_cmd(data, buf, args):
"""Command "/go": just hook what we need."""
global hooks
if args:
go_now(buf, args)
elif 'modifier' in hooks:
go_end(buf)
else:
go_start(buf)
return weechat.WEECHAT_RC_OK
def go_matching_buffers(strinput):
"""Return a list with buffers matching user input."""
global buffers_pos
listbuf = []
if len(strinput) == 0:
buffers_pos = 0
strinput = strinput.lower()
infolist = weechat.infolist_get('buffer', '', '')
while weechat.infolist_next(infolist):
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pointer = weechat.infolist_pointer(infolist, 'pointer')
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short_name = weechat.infolist_string(infolist, 'short_name')
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server = weechat.buffer_get_string(pointer, 'localvar_server')
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if go_option_enabled('short_name'):
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if go_option_enabled('short_name_server') and server:
name = server + '.' + short_name
else:
name = short_name
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else:
name = weechat.infolist_string(infolist, 'name')
if name == 'weechat' \
and go_option_enabled('use_core_instead_weechat') \
and weechat.infolist_string(infolist, 'plugin_name') == 'core':
name = 'core'
number = weechat.infolist_integer(infolist, 'number')
full_name = weechat.infolist_string(infolist, 'full_name')
if not full_name:
full_name = '%s.%s' % (
weechat.infolist_string(infolist, 'plugin_name'),
weechat.infolist_string(infolist, 'name'))
matching = name.lower().find(strinput) >= 0
if not matching and strinput[-1] == ' ':
matching = name.lower().endswith(strinput.strip())
if not matching and go_option_enabled('fuzzy_search'):
matching = go_match_fuzzy(name.lower(), strinput)
if not matching and strinput.isdigit():
matching = str(number).startswith(strinput)
if len(strinput) == 0 or matching:
listbuf.append({
'number': number,
'short_name': short_name,
'name': name,
'full_name': full_name,
'pointer': pointer,
})
weechat.infolist_free(infolist)
# sort buffers
hotlist = []
infolist = weechat.infolist_get('hotlist', '', '')
while weechat.infolist_next(infolist):
hotlist.append(
weechat.infolist_pointer(infolist, 'buffer_pointer'))
weechat.infolist_free(infolist)
last_index_hotlist = len(hotlist)
def _sort_name(buf):
"""Sort buffers by name (or short name)."""
return buf['name']
def _sort_hotlist(buf):
"""Sort buffers by hotlist order."""
try:
return hotlist.index(buf['pointer'])
except ValueError:
# not in hotlist, always last.
return last_index_hotlist
def _sort_match_number(buf):
"""Sort buffers by match on number."""
return 0 if str(buf['number']) == strinput else 1
def _sort_match_beginning(buf):
"""Sort buffers by match at beginning."""
return 0 if go_match_beginning(buf, strinput) else 1
funcs = {
'name': _sort_name,
'hotlist': _sort_hotlist,
'number': _sort_match_number,
'beginning': _sort_match_beginning,
}
for key in weechat.config_get_plugin('sort').split(','):
if key in funcs:
listbuf = sorted(listbuf, key=funcs[key])
if not strinput:
index = [i for i, buf in enumerate(listbuf)
if buf['pointer'] == weechat.current_buffer()]
if index:
buffers_pos = index[0]
return listbuf
def go_buffers_to_string(listbuf, pos, strinput):
"""Return string built with list of buffers found (matching user input)."""
string = ''
strinput = strinput.lower()
for i in range(len(listbuf)):
selected = '_selected' if i == pos else ''
buffer_name = listbuf[i]['name']
index = buffer_name.lower().find(strinput)
if index >= 0:
index2 = index + len(strinput)
name = '%s%s%s%s%s' % (
buffer_name[:index],
weechat.color(weechat.config_get_plugin(
'color_name_highlight' + selected)),
buffer_name[index:index2],
weechat.color(weechat.config_get_plugin(
'color_name' + selected)),
buffer_name[index2:])
elif go_option_enabled("fuzzy_search") and \
go_match_fuzzy(buffer_name.lower(), strinput):
name = ""
prev_index = -1
for char in strinput.lower():
index = buffer_name.lower().find(char, prev_index+1)
if prev_index < 0:
name += buffer_name[:index]
name += weechat.color(weechat.config_get_plugin(
'color_name_highlight' + selected))
if prev_index >= 0 and index > prev_index+1:
name += weechat.color(weechat.config_get_plugin(
'color_name' + selected))
name += buffer_name[prev_index+1:index]
name += weechat.color(weechat.config_get_plugin(
'color_name_highlight' + selected))
name += buffer_name[index]
prev_index = index
name += weechat.color(weechat.config_get_plugin(
'color_name' + selected))
name += buffer_name[prev_index+1:]
else:
name = buffer_name
string += ' '
if go_option_enabled('buffer_number'):
string += '%s%s' % (
weechat.color(weechat.config_get_plugin(
'color_number' + selected)),
str(listbuf[i]['number']))
string += '%s%s%s' % (
weechat.color(weechat.config_get_plugin(
'color_name' + selected)),
name,
weechat.color('reset'))
return ' ' + string if string else ''
def go_input_modifier(data, modifier, modifier_data, string):
"""This modifier is called when input text item is built by WeeChat.
This is commonly called after changes in input or cursor move: it builds
a new input with prefix ("Go to:"), and suffix (list of buffers found).
"""
global old_input, buffers, buffers_pos
if modifier_data != weechat.current_buffer():
return ''
names = ''
new_input = weechat.string_remove_color(string, '')
new_input = new_input.lstrip()
if old_input is None or new_input != old_input:
old_buffers = buffers
buffers = go_matching_buffers(new_input)
if buffers != old_buffers and len(new_input) > 0:
if len(buffers) == 1 and go_option_enabled('auto_jump'):
weechat.command(modifier_data, '/wait 1ms /input return')
buffers_pos = 0
old_input = new_input
names = go_buffers_to_string(buffers, buffers_pos, new_input.strip())
return weechat.config_get_plugin('message') + string + names
def go_command_run_input(data, buf, command):
"""Function called when a command "/input xxx" is run."""
global buffers, buffers_pos
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if command.startswith('/input search_text') or command.startswith('/input jump'):
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# search text or jump to another buffer is forbidden now
return weechat.WEECHAT_RC_OK_EAT
elif command == '/input complete_next':
# choose next buffer in list
buffers_pos += 1
if buffers_pos >= len(buffers):
buffers_pos = 0
weechat.hook_signal_send('input_text_changed',
weechat.WEECHAT_HOOK_SIGNAL_STRING, '')
return weechat.WEECHAT_RC_OK_EAT
elif command == '/input complete_previous':
# choose previous buffer in list
buffers_pos -= 1
if buffers_pos < 0:
buffers_pos = len(buffers) - 1
weechat.hook_signal_send('input_text_changed',
weechat.WEECHAT_HOOK_SIGNAL_STRING, '')
return weechat.WEECHAT_RC_OK_EAT
elif command == '/input return':
# switch to selected buffer (if any)
go_end(buf)
if len(buffers) > 0:
weechat.command(
buf, '/buffer ' + str(buffers[buffers_pos]['full_name']))
return weechat.WEECHAT_RC_OK_EAT
return weechat.WEECHAT_RC_OK
def go_command_run_buffer(data, buf, command):
"""Function called when a command "/buffer xxx" is run."""
return weechat.WEECHAT_RC_OK_EAT
def go_command_run_window(data, buf, command):
"""Function called when a command "/window xxx" is run."""
return weechat.WEECHAT_RC_OK_EAT
def go_unload_script():
"""Function called when script is unloaded."""
go_unhook_all()
return weechat.WEECHAT_RC_OK
def go_main():
"""Entry point."""
if not weechat.register(SCRIPT_NAME, SCRIPT_AUTHOR, SCRIPT_VERSION,
SCRIPT_LICENSE, SCRIPT_DESC,
'go_unload_script', ''):
return
weechat.hook_command(
SCRIPT_COMMAND,
'Quick jump to buffers', '[name]',
'name: directly jump to buffer by name (without argument, list is '
'displayed)\n\n'
'You can bind command to a key, for example:\n'
' /key bind meta-g /go\n\n'
'You can use completion key (commonly Tab and shift-Tab) to select '
'next/previous buffer in list.',
'%(buffers_names)',
'go_cmd', '')
# set default settings
version = weechat.info_get('version_number', '') or 0
for option, value in SETTINGS.items():
if not weechat.config_is_set_plugin(option):
weechat.config_set_plugin(option, value[0])
if int(version) >= 0x00030500:
weechat.config_set_desc_plugin(
option, '%s (default: "%s")' % (value[1], value[0]))
weechat.hook_info('go_running',
'Return "1" if go is running, otherwise "0"',
'',
'go_info_running', '')
if __name__ == "__main__" and IMPORT_OK:
go_main()