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Copy pathgrep_filter.py
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389 lines (309 loc) · 10.9 KB
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# -*- coding: utf-8 -*-
#
# Copyright (c) 2015 by Simmo Saan <simmo.saan@gmail.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:
#
# 2021-11-06, Sébastien Helleu <flashcode@flashtux.org>
# version 0.11: make script compatible with WeeChat >= 3.4
# (new parameters in function hdata_search)
# 2019-06-07, Trygve Aaberge <trygveaa@gmail.com>
# version 0.10: remove newlines from command completion
# 2015-10-04, Simmo Saan <simmo.saan@gmail.com>
# version 0.9: fix text search imitation in filter
# 2015-08-27, Simmo Saan <simmo.saan@gmail.com>
# version 0.8: add documentation
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.7: mute filter add/del
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.6: imitate search settings in filter
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.5: option for bar item text
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.4: option for default state
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.3: allow toggling during search
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.2: add bar item for indication
# 2015-08-25, Simmo Saan <simmo.saan@gmail.com>
# version 0.1: initial script
#
"""
Filter buffers automatically while searching them
"""
from __future__ import print_function
SCRIPT_NAME = "grep_filter"
SCRIPT_AUTHOR = "Simmo Saan <simmo.saan@gmail.com>"
SCRIPT_VERSION = "0.11"
SCRIPT_LICENSE = "GPL3"
SCRIPT_DESC = "Filter buffers automatically while searching them"
SCRIPT_REPO = "https://github.com/sim642/grep_filter"
SCRIPT_COMMAND = SCRIPT_NAME
SCRIPT_BAR_ITEM = SCRIPT_NAME
SCRIPT_LOCALVAR = SCRIPT_NAME
IMPORT_OK = True
try:
import weechat
except ImportError:
print("This script must be run under WeeChat.")
print("Get WeeChat now at: https://weechat.org/")
IMPORT_OK = False
import re # re.escape
SETTINGS = {
"enable": ("off", "enable automatically start filtering when searching"),
"bar_item": ("grep", "text to show in bar item when filtering"),
}
KEYS = {"ctrl-G": "/%s toggle" % SCRIPT_COMMAND}
def get_merged_buffers(ptr):
"""
Get a list of buffers which are merged with "ptr".
"""
weechat_version = int(weechat.info_get("version_number", "") or 0)
hdata = weechat.hdata_get("buffer")
buffers = weechat.hdata_get_list(hdata, "gui_buffers")
if weechat_version >= 0x03040000:
buffer = weechat.hdata_search(
hdata,
buffers,
"${buffer.number} == ${value}",
{},
{"value": str(weechat.hdata_integer(hdata, ptr, "number"))},
{},
1,
)
else:
buffer = weechat.hdata_search(
hdata,
buffers,
"${buffer.number} == %i"
% weechat.hdata_integer(hdata, ptr, "number"),
1,
)
nbuffer = weechat.hdata_move(hdata, buffer, 1)
ret = []
while buffer:
ret.append(weechat.hdata_string(hdata, buffer, "full_name"))
if weechat.hdata_integer(
hdata, buffer, "number"
) == weechat.hdata_integer(hdata, nbuffer, "number"):
buffer = nbuffer
nbuffer = weechat.hdata_move(hdata, nbuffer, 1)
else:
buffer = None
return ret
def filter_exists(name):
"""
Check whether a filter named "name" exists.
"""
weechat_version = int(weechat.info_get("version_number", "") or 0)
hdata = weechat.hdata_get("filter")
filters = weechat.hdata_get_list(hdata, "gui_filters")
if weechat_version >= 0x03040000:
filter = weechat.hdata_search(
hdata,
filters,
"${filter.name} == ${name}",
{},
{"name": name},
{},
1,
)
else:
filter = weechat.hdata_search(
hdata,
filters,
"${filter.name} == %s" % name,
1,
)
return bool(filter)
def filter_del(name):
"""
Delete a filter named "name".
"""
weechat.command(
weechat.buffer_search_main(), "/mute filter del %s" % name
)
def filter_addreplace(name, buffers, tags, regex):
"""
Add (or replace if already exists) a filter named "name" with specified argumets.
"""
if filter_exists(name):
filter_del(name)
weechat.command(
weechat.buffer_search_main(),
"/mute filter add %s %s %s %s" % (name, buffers, tags, regex),
)
def buffer_searching(buffer):
"""
Check whether "buffer" is in search mode.
"""
hdata = weechat.hdata_get("buffer")
return bool(weechat.hdata_integer(hdata, buffer, "text_search"))
def buffer_filtering(buffer):
"""
Check whether "buffer" should be filtered.
"""
local = weechat.buffer_get_string(buffer, "localvar_%s" % SCRIPT_LOCALVAR)
return {"": None, "0": False, "1": True}[local]
def buffer_build_regex(buffer):
"""
Build a regex according to "buffer"'s search settings.
"""
hdata = weechat.hdata_get("buffer")
input = weechat.hdata_string(hdata, buffer, "input_buffer")
exact = weechat.hdata_integer(hdata, buffer, "text_search_exact")
where = weechat.hdata_integer(hdata, buffer, "text_search_where")
regex = weechat.hdata_integer(hdata, buffer, "text_search_regex")
if not regex:
input = re.escape(input)
if exact:
input = "(?-i)%s" % input
filter_regex = None
if where == 1: # message
filter_regex = input
elif where == 2: # prefix
filter_regex = "%s\\t" % input
else: # prefix | message
filter_regex = input # TODO: impossible with current filter regex
return "!%s" % filter_regex
def buffer_update(buffer):
"""
Refresh filtering in "buffer" by updating (or removing) the filter and update the bar item.
"""
hdata = weechat.hdata_get("buffer")
buffers = ",".join(get_merged_buffers(buffer))
name = "%s_%s" % (SCRIPT_NAME, buffers)
if buffer_searching(buffer):
if buffer_filtering(buffer):
filter_addreplace(name, buffers, "*", buffer_build_regex(buffer))
elif not buffer_filtering(buffer) and filter_exists(name):
filter_del(name)
elif filter_exists(name):
filter_del(name)
where = weechat.hdata_integer(hdata, buffer, "text_search_where")
weechat.buffer_set(
buffer,
"localvar_set_%s_warn" % SCRIPT_LOCALVAR,
"1" if where == 3 else "0",
) # warn about incorrect filter
weechat.bar_item_update(SCRIPT_BAR_ITEM)
def input_search_cb(data, signal, buffer):
"""
Handle "input_search" signal.
"""
if buffer_searching(buffer) and buffer_filtering(buffer) is None:
enable = weechat.config_string_to_boolean(
weechat.config_get_plugin("enable")
)
weechat.buffer_set(
buffer,
"localvar_set_%s" % SCRIPT_LOCALVAR,
"1" if enable else "0",
)
weechat.buffer_set(
buffer, "localvar_set_%s_warn" % SCRIPT_LOCALVAR, "0"
)
elif not buffer_searching(buffer):
weechat.buffer_set(buffer, "localvar_del_%s" % SCRIPT_LOCALVAR, "")
weechat.buffer_set(
buffer, "localvar_del_%s_warn" % SCRIPT_LOCALVAR, ""
)
buffer_update(buffer)
return weechat.WEECHAT_RC_OK
def input_text_changed_cb(data, signal, buffer):
"""
Handle "input_text_changed" signal.
"""
if buffer_searching(buffer) and buffer_filtering(buffer):
buffers = ",".join(get_merged_buffers(buffer))
name = "%s_%s" % (SCRIPT_NAME, buffers)
filter_addreplace(name, buffers, "*", buffer_build_regex(buffer))
return weechat.WEECHAT_RC_OK
def command_cb(data, buffer, args):
"""
Handle command.
"""
if args == "enable":
weechat.buffer_set(buffer, "localvar_set_%s" % SCRIPT_LOCALVAR, "1")
elif args == "disable":
weechat.buffer_set(buffer, "localvar_set_%s" % SCRIPT_LOCALVAR, "0")
elif args == "toggle":
weechat.buffer_set(
buffer,
"localvar_set_%s" % SCRIPT_LOCALVAR,
"0" if buffer_filtering(buffer) else "1",
)
else:
pass
buffer_update(buffer)
return weechat.WEECHAT_RC_OK
def bar_item_cb(data, item, window, buffer, extra_info):
"""
Build the bar item's content for "buffer".
"""
buffers = ",".join(get_merged_buffers(buffer))
name = "%s_%s" % (SCRIPT_NAME, buffers)
if filter_exists(name):
warn = int(
weechat.buffer_get_string(
buffer, "localvar_%s_warn" % SCRIPT_LOCALVAR
)
)
return "%s%s%s" % (
weechat.color("input_text_not_found" if warn else "bar_fg"),
weechat.config_get_plugin("bar_item"),
weechat.color("reset"),
)
else:
return ""
if __name__ == "__main__" and IMPORT_OK:
if weechat.register(
SCRIPT_NAME,
SCRIPT_AUTHOR,
SCRIPT_VERSION,
SCRIPT_LICENSE,
SCRIPT_DESC,
"",
"",
):
weechat.hook_signal("input_search", "input_search_cb", "")
weechat.hook_signal("input_text_changed", "input_text_changed_cb", "")
weechat.hook_command(
SCRIPT_COMMAND,
SCRIPT_DESC,
"""enable || disable || toggle""",
""" enable: enable {0} in current buffer
disable: disable {0} in current buffer
toggle: toggle {0} in current buffer
By default a bind in "search" context is added to toggle with "ctrl-G".
To see {0} status during search, add "{1}" item to some bar. On default configuration you can do it with:
/set weechat.bar.input.items "[input_prompt]+(away),[{1}],[input_search],[input_paste],input_text"
Due to technical reasons with /filter it is not possible to exactly {0} in "pre|msg" search mode, thus the bar item is shown in warning color.""".format(
SCRIPT_NAME, SCRIPT_BAR_ITEM
),
"""enable || disable || toggle""",
"command_cb",
"",
)
weechat.bar_item_new("(extra)%s" % SCRIPT_BAR_ITEM, "bar_item_cb", "")
for option, value in SETTINGS.items():
if not weechat.config_is_set_plugin(option):
weechat.config_set_plugin(option, value[0])
weechat.config_set_desc_plugin(
option, '%s (default: "%s")' % (value[1], value[0])
)
weechat.key_bind("search", KEYS)
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