Mercurial > libervia-backend

annotate sat/plugins/plugin_xep_0264.py @ 3580:8dd5e1bac9c3

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
merge changes from main branch
author Goffi <goffi@goffi.org>
date Fri, 18 Jun 2021 18:19:23 +0200
parents be6d91572633
children 2dab494e56fc
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
1 #!/usr/bin/env python3
3137
559a625a236b fixed shebangs
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
2
3346
4f1fcee83d36 plugin XEP-0264: only log "fix orientation" when the option is used
Goffi <goffi@goffi.org>
parents: 3330
diff changeset
3 # SàT plugin for managing xep-0264
3479
be6d91572633 date update
Goffi <goffi@goffi.org>
parents: 3346
diff changeset
4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
5 # Copyright (C) 2014 Emmanuel Gil Peyrot (linkmauve@linkmauve.fr)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
6
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
7 # This program is free software: you can redistribute it and/or modify
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
8 # it under the terms of the GNU Affero General Public License as published by
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # the Free Software Foundation, either version 3 of the License, or
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
10 # (at your option) any later version.
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
11
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
12 # This program is distributed in the hope that it will be useful,
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
15 # GNU Affero General Public License for more details.
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
16
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
17 # You should have received a copy of the GNU Affero General Public License
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
19
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
20 from sat.core.i18n import _
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
21 from sat.core.constants import Const as C
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
22 from sat.core.log import getLogger
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
23
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
24 log = getLogger(__name__)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
25 from twisted.internet import threads
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
26 from twisted.python.failure import Failure
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
27
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
28 from zope.interface import implementer
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
29
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
30 from wokkel import disco, iwokkel
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
31
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
32 from sat.core import exceptions
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
33 import hashlib
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
34
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
35 try:
3330
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
36 from PIL import Image, ImageOps
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
37 except:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
38 raise exceptions.MissingModule(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
39 "Missing module pillow, please download/install it from https://python-pillow.github.io"
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
40 )
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
41
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
42 #  cf. https://stackoverflow.com/a/23575424
2521
327bbbe793ce plugin XEP-0264: handle truncated files
Goffi <goffi@goffi.org>
parents: 2513
diff changeset
43 from PIL import ImageFile
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
44
2521
327bbbe793ce plugin XEP-0264: handle truncated files
Goffi <goffi@goffi.org>
parents: 2513
diff changeset
45 ImageFile.LOAD_TRUNCATED_IMAGES = True
327bbbe793ce plugin XEP-0264: handle truncated files
Goffi <goffi@goffi.org>
parents: 2513
diff changeset
46
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
47 try:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
48 from twisted.words.protocols.xmlstream import XMPPHandler
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
49 except ImportError:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
50 from wokkel.subprotocols import XMPPHandler
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
51
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
52
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
53 MIME_TYPE = "image/jpeg"
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
54 SAVE_FORMAT = "JPEG" # (cf. Pillow documentation)
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
55
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
56 NS_THUMBS = "urn:xmpp:thumbs:1"
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
57
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
58 PLUGIN_INFO = {
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
59 C.PI_NAME: "XEP-0264",
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
60 C.PI_IMPORT_NAME: "XEP-0264",
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
61 C.PI_TYPE: "XEP",
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
62 C.PI_MODES: C.PLUG_MODE_BOTH,
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
63 C.PI_PROTOCOLS: ["XEP-0264"],
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
64 C.PI_DEPENDENCIES: ["XEP-0234"],
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
65 C.PI_MAIN: "XEP_0264",
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
66 C.PI_HANDLER: "yes",
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
67 C.PI_DESCRIPTION: _("""Thumbnails handling"""),
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
68 }
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
69
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
70
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
71 class XEP_0264(object):
3329
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
72 SIZE_SMALL = (320, 320)
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
73 SIZE_MEDIUM = (640, 640)
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
74 SIZE_BIG = (1280, 1280)
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
75 SIZE_FULL_SCREEN = (2560, 2560)
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
76 SIZES = (SIZE_SMALL, SIZE_MEDIUM, SIZE_FULL_SCREEN)
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
77
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
78 def __init__(self, host):
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
79 log.info(_("Plugin XEP_0264 initialization"))
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
80 self.host = host
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
81 host.trigger.add("XEP-0234_buildFileElement", self._addFileThumbnails)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
82 host.trigger.add("XEP-0234_parseFileElement", self._getFileThumbnails)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
83
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
84 def getHandler(self, client):
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
85 return XEP_0264_handler()
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
86
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
87 ## triggers ##
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
88
3314
5887fb414758 component file sharing: add/parse affiliation when possible
Goffi <goffi@goffi.org>
parents: 3273
diff changeset
89 def _addFileThumbnails(self, client, file_elt, extra_args):
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
90 try:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
91 thumbnails = extra_args["extra"][C.KEY_THUMBNAILS]
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
92 except KeyError:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
93 return
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
94 for thumbnail in thumbnails:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
95 thumbnail_elt = file_elt.addElement((NS_THUMBS, "thumbnail"))
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
96 thumbnail_elt["uri"] = "cid:" + thumbnail["id"]
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
97 thumbnail_elt["media-type"] = MIME_TYPE
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
98 width, height = thumbnail["size"]
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
99 thumbnail_elt["width"] = str(width)
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
100 thumbnail_elt["height"] = str(height)
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2521
diff changeset
101 return True
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
102
3314
5887fb414758 component file sharing: add/parse affiliation when possible
Goffi <goffi@goffi.org>
parents: 3273
diff changeset
103 def _getFileThumbnails(self, client, file_elt, file_data):
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
104 thumbnails = []
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
105 for thumbnail_elt in file_elt.elements(NS_THUMBS, "thumbnail"):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
106 uri = thumbnail_elt["uri"]
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
107 if uri.startswith("cid:"):
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
108 thumbnail = {"id": uri[4:]}
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
109 width = thumbnail_elt.getAttribute("width")
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
110 height = thumbnail_elt.getAttribute("height")
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
111 if width and height:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
112 try:
3329
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
113 thumbnail["size"] = (int(width), int(height))
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
114 except ValueError:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
115 pass
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
116 try:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
117 thumbnail["mime_type"] = thumbnail_elt["media-type"]
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
118 except KeyError:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
119 pass
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
120 thumbnails.append(thumbnail)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
121
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
122 if thumbnails:
3329
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
123 # we want thumbnails ordered from smallest to biggest
15612c0fb421 plugin XEP-0264: updated size to get values closest to standard one:
Goffi <goffi@goffi.org>
parents: 3314
diff changeset
124 thumbnails.sort(key=lambda t: t.get('size', (0, 0)))
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
125 file_data.setdefault("extra", {})[C.KEY_THUMBNAILS] = thumbnails
2528
65e278997715 component file sharing: comments metadata:
Goffi <goffi@goffi.org>
parents: 2521
diff changeset
126 return True
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
127
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
128 ## thumbnails generation ##
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
129
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
130 def getThumbId(self, image_uid, size):
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
131 """return an ID unique for image/size combination
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
132
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
133 @param image_uid(unicode): unique id of the image
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
134 can be a hash
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
135 @param size(tuple(int)): requested size of thumbnail
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
136 @return (unicode): unique id for this image/size
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
137 """
3273
4230aaeab9a7 plugin XEP-0231, XEP-0264: fixed some remaining encoding issue following Python 3 port
Goffi <goffi@goffi.org>
parents: 3137
diff changeset
138 return hashlib.sha256(repr((image_uid, size)).encode()).hexdigest()
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
139
3330
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
140 def _blockingGenThumb(
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
141 self, source_path, size=None, max_age=None, image_uid=None,
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
142 fix_orientation=True):
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
143 """Generate a thumbnail for image
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
144
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
145 This is a blocking method and must be executed in a thread
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
146 params are the same as for [generateThumbnail]
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
147 """
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
148 if size is None:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
149 size = self.SIZE_SMALL
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
150 try:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
151 img = Image.open(source_path)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
152 except IOError:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
153 return Failure(exceptions.DataError("Can't open image"))
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
154
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
155 img.thumbnail(size)
3330
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
156 if fix_orientation:
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
157 img = ImageOps.exif_transpose(img)
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
158
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
159 uid = self.getThumbId(image_uid or source_path, size)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
160
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
161 with self.host.common_cache.cacheData(
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
162 PLUGIN_INFO[C.PI_IMPORT_NAME], uid, MIME_TYPE, max_age
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
163 ) as f:
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
164 img.save(f, SAVE_FORMAT)
3346
4f1fcee83d36 plugin XEP-0264: only log "fix orientation" when the option is used
Goffi <goffi@goffi.org>
parents: 3330
diff changeset
165 if fix_orientation:
4f1fcee83d36 plugin XEP-0264: only log "fix orientation" when the option is used
Goffi <goffi@goffi.org>
parents: 3330
diff changeset
166 log.debug(f"fixed orientation for {f.name}")
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
167
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
168 return img.size, uid
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
169
3330
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
170 def generateThumbnail(
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
171 self, source_path, size=None, max_age=None, image_uid=None, fix_orientation=True):
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
172 """Generate a thumbnail of image
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
173
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
174 @param source_path(unicode): absolute path to source image
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
175 @param size(int, None): max size of the thumbnail
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
176 can be one of self.SIZE_*
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
177 None to use default value (i.e. self.SIZE_SMALL)
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
178 @param max_age(int, None): same as for [memory.cache.Cache.cacheData])
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
179 @param image_uid(unicode, None): unique ID to identify the image
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
180 use hash whenever possible
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
181 if None, source_path will be used
3330
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
182 @param fix_orientation(bool): if True, fix orientation using EXIF data
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
183 @return D(tuple[tuple[int,int], unicode]): tuple with:
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
184 - size of the thumbnail
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
185 - unique Id of the thumbnail
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
186 """
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
187 d = threads.deferToThread(
3330
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
188 self._blockingGenThumb, source_path, size, max_age, image_uid=image_uid,
7b47f48d31f3 plugin XEP-0264: fix orientation of thumbnails:
Goffi <goffi@goffi.org>
parents: 3329
diff changeset
189 fix_orientation=fix_orientation
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
190 )
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
191 d.addErrback(
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
192 lambda failure_: log.error("thumbnail generation error: {}".format(failure_))
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
193 )
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
194 return d
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
195
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
196
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
197 @implementer(iwokkel.IDisco)
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
198 class XEP_0264_handler(XMPPHandler):
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
199
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
200 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
201 return [disco.DiscoFeature(NS_THUMBS)]
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
202
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
203 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
2513
2d3c9dcec384 plugin XEP-0264: thumbnails handling implementation
Goffi <goffi@goffi.org>
parents:
diff changeset
204 return []