Mercurial > libervia-backend

annotate sat/tools/stream.py @ 3480:7550ae9cfbac

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Renamed the project from "Salut à Toi" to "Libervia": This renaming follows the decision taken at the General Assemblee of January 27th 2021 (cf. https://repos.goffi.org/sat_docs/raw-file/tip/association/2021-01-27%20-%20compte%20rendu%20de%20l%27AG%20extraordinaire.pdf)
author Goffi <goffi@goffi.org>
date Sat, 20 Mar 2021 20:42:04 +0100
parents be6d91572633
children e4631d073c8b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2866
diff changeset
1 #!/usr/bin/env python3
3137
559a625a236b fixed shebangs
Goffi <goffi@goffi.org>
parents: 3136
diff changeset
2
3480
7550ae9cfbac Renamed the project from "Salut à Toi" to "Libervia":
Goffi <goffi@goffi.org>
parents: 3479
diff changeset
3 # Libervia: an XMPP client
3479
be6d91572633 date update
Goffi <goffi@goffi.org>
parents: 3182
diff changeset
4 # Copyright (C) 2009-2021 Jérôme Poisson (goffi@goffi.org)
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
5
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
6 # This program is free software: you can redistribute it and/or modify
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
7 # it under the terms of the GNU Affero General Public License as published by
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
8 # the Free Software Foundation, either version 3 of the License, or
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # (at your option) any later version.
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
10
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
11 # This program is distributed in the hope that it will be useful,
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # GNU Affero General Public License for more details.
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
15
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
16 # You should have received a copy of the GNU Affero General Public License
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
18
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
19 """ interfaces """
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
20
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
21 import uuid
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
22 import os
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
23 from zope import interface
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
24 from sat.core import exceptions
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
25 from sat.core.constants import Const as C
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
26 from sat.core.log import getLogger
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
27 from twisted.protocols import basic
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
28 from twisted.internet import interfaces
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
29
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
30 log = getLogger(__name__)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
31
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
32
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
33 class IStreamProducer(interface.Interface):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
34 def startStream(consumer):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
35 """start producing the stream
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
36
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
37 @return (D): deferred fired when stream is finished
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
38 """
2866
8ce5748bfe97 plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
39 pass
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
40
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
41
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
42 class SatFile:
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
43 """A file-like object to have high level files manipulation"""
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
44
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
45 # TODO: manage "with" statement
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
46
2866
8ce5748bfe97 plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
47 def __init__(self, host, client, path, mode="rb", uid=None, size=None, data_cb=None,
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
48 auto_end_signals=True, check_size_with_read=False):
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
49 """
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
50 @param host: %(doc_host)s
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
51 @param path(Path, str): path to the file to get or write to
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
52 @param mode(str): same as for built-in "open" function
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
53 @param uid(unicode, None): unique id identifing this progressing element
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
54 This uid will be used with self.host.progressGet
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
55 will be automaticaly generated if None
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
56 @param size(None, int): size of the file (when known in advance)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
57 @param data_cb(None, callable): method to call on each data read/write
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
58 can be used to do processing like calculating hash.
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
59 if data_cb return a non None value, it will be used instead of the
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
60 data read/to write
2866
8ce5748bfe97 plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
61 @param auto_end_signals(bool): if True, progressFinished and progressError signals
8ce5748bfe97 plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
62 are automatically sent.
8ce5748bfe97 plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
63 if False, you'll have to call self.progressFinished and self.progressError
8ce5748bfe97 plugin XEP-0363: updated to namespace "urn:xmpp:http:upload:0", handle headers
Goffi <goffi@goffi.org>
parents: 2771
diff changeset
64 yourself.
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
65 progressStarted signal is always sent automatically
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
66 @param check_size_with_read(bool): if True, size well be checked using number of
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
67 bytes read or written. This is useful when data_cb modifiy len of file.
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
68 """
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
69 self.host = host
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
70 self.profile = client.profile
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2866
diff changeset
71 self.uid = uid or str(uuid.uuid4())
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
72 self._file = open(path, mode)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
73 self.size = size
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
74 self.data_cb = data_cb
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
75 self.auto_end_signals = auto_end_signals
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
76 metadata = self.getProgressMetadata()
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
77 self.host.registerProgressCb(
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
78 self.uid, self.getProgress, metadata, profile=client.profile
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
79 )
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
80 self.host.bridge.progressStarted(self.uid, metadata, client.profile)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
81
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
82 self._transfer_count = 0 if check_size_with_read else None
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
83
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
84 @property
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
85 def check_size_with_read(self):
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
86 return self._transfer_count is not None
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
87
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
88 @check_size_with_read.setter
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
89 def check_size_with_read(self, value):
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
90 if value and self._transfer_count is None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
91 self._transfer_count = 0
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
92 else:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
93 self._transfer_count = None
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
94
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
95 def checkSize(self):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
96 """Check that current size correspond to given size
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
97
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
98 must be used when the transfer is supposed to be finished
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
99 @return (bool): True if the position is the same as given size
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
100 @raise exceptions.NotFound: size has not be specified
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
101 """
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
102 if self.check_size_with_read:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
103 position = self._transfer_count
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
104 else:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
105 position = self._file.tell()
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
106 if self.size is None:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
107 raise exceptions.NotFound
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
108 return position == self.size
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
109
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
110 def close(self, progress_metadata=None, error=None):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
111 """Close the current file
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
112
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
113 @param progress_metadata(None, dict): metadata to send with _onProgressFinished
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
114 message
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
115 @param error(None, unicode): set to an error message if progress was not
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
116 successful
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
117 mutually exclusive with progress_metadata
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
118 error can happen even if error is None, if current size differ from given size
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
119 """
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
120 if self._file.closed:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
121 return # avoid double close (which is allowed) error
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
122 if error is None:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
123 try:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 size_ok = self.checkSize()
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
125 except exceptions.NotFound:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
126 size_ok = True
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
127 if not size_ok:
3028
ab2696e34d29 Python 3 port:
Goffi <goffi@goffi.org>
parents: 2866
diff changeset
128 error = "declared and actual size mismatch"
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
129 log.warning(error)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
130 progress_metadata = None
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
131
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
132 self._file.close()
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
133
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
134 if self.auto_end_signals:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 if error is None:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
136 self.progressFinished(progress_metadata)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 else:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 assert progress_metadata is None
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 self.progressError(error)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
140
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 self.host.removeProgressCb(self.uid, self.profile)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
142
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
143 @property
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
144 def closed(self):
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
145 return self._file.closed
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
146
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 def progressFinished(self, metadata=None):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 if metadata is None:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
149 metadata = {}
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
150 self.host.bridge.progressFinished(self.uid, metadata, self.profile)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
151
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
152 def progressError(self, error):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 self.host.bridge.progressError(self.uid, error, self.profile)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
154
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 def flush(self):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 self._file.flush()
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
157
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 def write(self, buf):
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
159 if self.data_cb is not None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
160 ret = self.data_cb(buf)
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
161 if ret is not None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
162 buf = ret
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
163 if self._transfer_count is not None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
164 self._transfer_count += len(buf)
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
165 self._file.write(buf)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
166
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 def read(self, size=-1):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 read = self._file.read(size)
3087
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
169 if self.data_cb is not None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
170 ret = self.data_cb(read)
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
171 if ret is not None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
172 read = ret
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
173 if self._transfer_count is not None:
a51f7fce1e2c tools (stream): data modification on SatFile:
Goffi <goffi@goffi.org>
parents: 3028
diff changeset
174 self._transfer_count += len(read)
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 return read
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
176
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 def seek(self, offset, whence=os.SEEK_SET):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 self._file.seek(offset, whence)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
179
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 def tell(self):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 return self._file.tell()
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
182
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 def mode(self):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 return self._file.mode()
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
185
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
186 def getProgressMetadata(self):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 """Return progression metadata as given to progressStarted
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
188
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
189 @return (dict): metadata (check bridge for documentation)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 """
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
191 metadata = {"type": C.META_TYPE_FILE}
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
192
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 mode = self._file.mode
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
194 if "+" in mode:
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
195 pass # we have no direction in read/write modes
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
196 elif mode in ("r", "rb"):
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
197 metadata["direction"] = "out"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
198 elif mode in ("w", "wb"):
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
199 metadata["direction"] = "in"
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
200 elif "U" in mode:
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
201 metadata["direction"] = "out"
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
202 else:
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
203 raise exceptions.InternalError
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
204
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
205 metadata["name"] = self._file.name
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
206
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
207 return metadata
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
208
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
209 def getProgress(self, progress_id, profile):
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
210 ret = {"position": self._file.tell()}
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
211 if self.size:
2624
56f94936df1e code style reformatting using black
Goffi <goffi@goffi.org>
parents: 2562
diff changeset
212 ret["size"] = self.size
2489
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
213 return ret
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
214
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
215
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
216 @interface.implementer(IStreamProducer)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
217 @interface.implementer(interfaces.IConsumer)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
218 class FileStreamObject(basic.FileSender):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
219 def __init__(self, host, client, path, **kwargs):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
220 """
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
221
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
222 A SatFile will be created and put in self.file_obj
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
223 @param path(unicode): path to the file
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
224 @param **kwargs: kw arguments to pass to SatFile
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
225 """
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
226 self.file_obj = SatFile(host, client, path, **kwargs)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
227
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
228 def registerProducer(self, producer, streaming):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
229 pass
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
230
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
231 def startStream(self, consumer):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
232 return self.beginFileTransfer(self.file_obj, consumer)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
233
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
234 def write(self, data):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
235 self.file_obj.write(data)
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
236
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
237 def close(self, *args, **kwargs):
e2a7bb875957 plugin pipe/stream, file transfert: refactoring and improvments:
Goffi <goffi@goffi.org>
parents:
diff changeset
238 self.file_obj.close(*args, **kwargs)