Script: update_notifier.py

Notify user about WeeChat updates.
Author: drubin — Version: 0.7 — License: GPL3
For WeeChat ≥ 0.3.0.
Tags: update, py2, py3
Added: 2010-10-23 — Updated: 2023-06-24

Download GitHub Repository

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
# -*- coding: utf-8 -*-
#
# Copyright (c) 2010 by drubin <drubin at smartcube.co.za>
# Copyright (c) 2017 Sébastien Helleu <flashcode at flashtux.org>
#
# 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/>.


# Allows you to visually see if there are updates to your weechat system.

# Versions:
#
# 0.7 flashcode - fix error when next release is scheduled today
# 0.6 flashcode - add compatibility with WeeChat >= 3.2 (XDG directories)
# 0.5 flashcode - fix URL with infos, fix download of infos, fix PEP8 errors
#                 and refactor code
# 0.4 drubin    - changed default weechat hostname
# 0.3 nils_2    - third release.
#               - *fixed bug* every time the item_bar was updated, script did a
#                 read access to homepage
#               - get python 2.x binary for hook_process (fix problem when
#                 python 3.x is default python
#                 version, requires WeeChat >= 0.3.4)
#               - new option "git pull". executes "git pull" if "true" and a
#                 new git version is available
# 0.2 nils_2    - second release.
#               - countdown to next stable release added.
#               - now using hook_signal(day_changed) instead of hook_timer()
#               └-> option "update_interval" is obsolet now.
#               - hook_config() added.
#               - type missmatched removed if git_compile_location wasn't set
# 0.1 drubin   - First release.
#              - Basic functionality with url getting and compairing version.

SCRIPT_NAME = "update_notifier"
SCRIPT_AUTHOR = "drubin <drubin at smartcube.co.za>"
SCRIPT_VERSION = "0.7"
SCRIPT_LICENSE = "GPL3"
SCRIPT_DESC = "Notifiers users of updates to weechat."

import_ok = True
import os
from time import *
try:
    import weechat
except ImportError:
    print("This script must be run under WeeChat.")
    print("Get WeeChat now at: https://weechat.org/")
    import_ok = False


# script options
settings = {
    "uses_git": "false",
    "uses_devel": "false",
    "git_pull": "false",
    "git_compile_location": "",
    "update_text": "New devel version available",
    "update_text_stable": "New stable version %s available",
    "start_counting": "30",
    "start_countdown": "10",
    "next_stable_text": "%d day(s) left to version %s",
    "color_default": "default",
    "color_countdown": "red",
}

# Not a config because it should not change ever
URL_INFOS = "https://weechat.org/dev/info/all/"
INFOS_FILENAME = "infos.txt"
BAR_ITEM_NAME = "updnotf"

# How long to wait for download
TIMEOUT_DOWNLOAD = 60 * 1000


def un_cache_dir():
    options = {
        'directory': 'cache',
    }
    filename = weechat.string_eval_path_home('%%h/%s' % SCRIPT_NAME,
                                             {}, {}, options)
    if not os.path.isdir(filename):
        os.makedirs(filename, mode=0o700)
    return filename


def get_version(as_number=False):
    """Gets the version number of weechat, both number and string."""
    if as_number:
        return weechat.info_get("version_number", "")
    else:
        return weechat.info_get("version", "")


def get_filename_infos():
    """Return the path to the file with infos."""
    return os.path.join(un_cache_dir(), INFOS_FILENAME)


def get_cur_git_version():
    path = weechat.config_get_plugin("git_compile_location")
    if path == "":
        return None

    f = os.popen("cd %s && git rev-parse HEAD" % path)
    stuff = f.readline()
    f.close()
    return stuff.strip()


def do_git_pull():
    if (weechat.config_get_plugin("git_pull") == "false"):
        return
    path = weechat.config_get_plugin("git_compile_location")
    if path != "":
        f = os.popen("cd %s && git pull 2>&1" % path)
        stuff = f.readline()
        weechat.prnt("", weechat.prefix("action") +
                     weechat.color(weechat.config_color(
                         weechat.config_get("weechat.color.chat_nick_self"))) +
                     SCRIPT_NAME + ":")
        weechat.prnt("", stuff)
        f.close()


def get_info_ver(info):
    with open(get_filename_infos(), "r") as f:
        for line in f.readlines():
            items = line.strip().split(":", 1)
            if len(items) == 2 and items[0] == info:
                return items[1]
    return None


def un_download_cb(filename, command, rc, stdout, stderr):
    """Callback on download of URL."""

    if rc != 0:
        return weechat.WEECHAT_RC_OK

    weechat.bar_item_update(BAR_ITEM_NAME)

    version = get_version()
    version_num = get_version(as_number=True)
    compare_version = ""
    compare_version_num = ""
    update_avaliable = False
    global next_stable_text
    next_stable_text = ""

    # check for stable version first
    start_counting = weechat.config_get_plugin("start_counting")
    if start_counting != "":
        next_stable_date = get_info_ver("next_stable_date")
        lt = localtime()
        year, month, day = lt[0:3]  # today
        next_stable_date = next_stable_date.split("-")  # next_stable_date
        next_stable_date = (int(next_stable_date[0]), int(next_stable_date[1]),
                            int(next_stable_date[2]), 0, 0, 0, 0, 0, 0)
        next_stable_date = mktime(next_stable_date)
        today = year, month, day, 0, 0, 0, 0, 0, 0
        today = mktime(today)
        # calculate days till next_stable_date
        diff_day = (next_stable_date - today) // 60 // 60 // 24
        diff_day = "%1i" % (diff_day)

        # diff_day = 0  # test to pop up new stable text
        if (int(diff_day) > 0) and (int(diff_day) <= int(start_counting)):
            used_color = weechat.config_get_plugin("color_default")
            # TEN and counting....
            if (int(diff_day) <=
                    int(weechat.config_get_plugin("start_countdown"))):
                used_color = weechat.config_get_plugin("color_countdown")

            next_stable_text = weechat.config_get_plugin("next_stable_text")
            next_stable = get_info_ver("next_stable")
            if next_stable_text == "":
                next_stable_text = ("days left:" + weechat.color(used_color) +
                                    "%d" + weechat.color("reset") +
                                    " to stable: %s") % (
                                        int(diff_day), next_stable)
            else:
                next_stable_text = next_stable_text.replace(
                    "%d", weechat.color(used_color) + "%d" +
                    weechat.color("reset"))
                if next_stable_text.find("%s") >= 1:  # check for %s
                    next_stable_text = next_stable_text % (
                        int(diff_day), next_stable)
                else:
                    next_stable_text = next_stable_text % int(diff_day)
                update_avaliable = False
        elif (int(diff_day) <= 0):  # today a new stable version is available
            stable_number = get_info_ver("stable")
            next_stable_text = weechat.config_get_plugin("update_text_stable")
            if next_stable_text.find("%s") >= 1:  # %s in string?
                next_stable_text = (next_stable_text % stable_number)
            return weechat.WEECHAT_RC_OK

    if weechat.config_get_plugin("uses_devel") == "true":
        compare_version_num = get_info_ver("next_stable_number")
        compare_version = get_info_ver("next_stable")
        update_avaliable = int(compare_version_num) > int(version_num)
    elif weechat.config_get_plugin("uses_git") == "true":
        git_cur = get_cur_git_version()
        if git_cur is not None:  # path to git dir exists?
            git_ver = get_info_ver("git")  # yes
            compare_version = git_cur
            update_avaliable = get_cur != git_ver
            if update_avaliable:
                do_git_pull()  # call git pull
        else:
            update_avaliable = False
    else:
        compare_version_num = get_info_ver("stable_number")
        compare_version = get_info_ver("stable")
        update_avaliable = int(compare_version_num) > int(version_num)

    if update_avaliable:
        next_stable_text = weechat.config_get_plugin("update_text")

    return weechat.WEECHAT_RC_OK


def un_update_cache():
    """Callback for building update item."""
    weechat.hook_process_hashtable("url:%s" % URL_INFOS,
                                   {"file_out": get_filename_infos()},
                                   TIMEOUT_DOWNLOAD,
                                   "un_download_cb", "")


def un_day_changed(data, signal, signal_data):
    un_update_cache()
    return weechat.WEECHAT_RC_OK


def un_config_changed(data, option, value):
    un_update_cache()
    return weechat.WEECHAT_RC_OK


def up_item_cb(data, buffer, args):
    return next_stable_text


def un_cmd(data, buffer, args):
    un_update_cache()
    return weechat.WEECHAT_RC_OK


if __name__ == '__main__' and import_ok and \
       weechat.register(SCRIPT_NAME, SCRIPT_AUTHOR, SCRIPT_VERSION,
                        SCRIPT_LICENSE, SCRIPT_DESC, "", ""):
    for option, default_value in settings.items():
        if not weechat.config_is_set_plugin(option):
            weechat.config_set_plugin(option, default_value)

    weechat.hook_command("upgrade_check", "Checks for upgrades", "",
                         "The bar item is called \"%s\"." % BAR_ITEM_NAME,
                         "", "un_cmd", "")

    weechat.bar_item_new(BAR_ITEM_NAME, 'up_item_cb', '')
    weechat.hook_signal("day_changed", "un_day_changed", "")
    weechat.hook_config("plugins.var.python." + SCRIPT_NAME + ".*",
                        "un_config_changed", "")

    # Update the cache when it starts up.
    un_update_cache()