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annotate src/plugins/plugin_misc_upload.py @ 1766:d17772b0fe22

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copyright update
author Goffi <goffi@goffi.org>
date Sun, 03 Jan 2016 16:28:30 +0100
parents d470affbe65c
children a19161bb3ff7
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1640
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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parents:
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1 #!/usr/bin/python
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2 # -*- coding: utf-8 -*-
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3
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4 # SAT plugin for file tansfer
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d17772b0fe22 copyright update
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5 # Copyright (C) 2009-2016 Jérôme Poisson (goffi@goffi.org)
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6
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7 # This program is free software: you can redistribute it and/or modify
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8 # it under the terms of the GNU Affero General Public License as published by
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9 # the Free Software Foundation, either version 3 of the License, or
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10 # (at your option) any later version.
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11
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12 # This program is distributed in the hope that it will be useful,
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13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 # GNU Affero General Public License for more details.
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16
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17 # You should have received a copy of the GNU Affero General Public License
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18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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19
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20 from sat.core.i18n import _, D_
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21 from sat.core.constants import Const as C
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22 from sat.core.log import getLogger
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23 log = getLogger(__name__)
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24 from sat.core import exceptions
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25 from sat.tools import xml_tools
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26 from twisted.internet import defer
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27 from twisted.words.protocols.jabber import jid
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28 import os
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29 import os.path
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30
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31
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32 PLUGIN_INFO = {
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33 "name": "File Upload",
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34 "import_name": "UPLOAD",
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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35 "type": C.PLUG_TYPE_MISC,
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36 "main": "UploadPlugin",
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37 "handler": "no",
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38 "description": _("""File upload management""")
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39 }
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40
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41
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42 UPLOADING = D_(u'Please select a file to upload')
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43 UPLOADING_TITLE = D_(u'File upload')
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44 BOOL_OPTIONS = ('ignore-tls-errors',)
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45
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46
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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47 class UploadPlugin(object):
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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48 # TODO: plugin unload
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49
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
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50 def __init__(self, host):
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51 log.info(_("plugin Upload initialization"))
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52 self.host = host
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53 host.bridge.addMethod("fileUpload", ".plugin", in_sign='sssa{ss}s', out_sign='a{ss}', method=self._fileUpload, async=True)
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54 self._upload_callbacks = []
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55
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56 def _fileUpload(self, filepath, filename, upload_jid_s='', options=None, profile=C.PROF_KEY_NONE):
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57 upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None
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58 if options is None:
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59 options = {}
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60 # we convert values that are well-known booleans
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61 for bool_option in BOOL_OPTIONS:
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62 try:
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63 options[bool_option] = C.bool(options[bool_option])
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64 except KeyError:
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65 pass
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66
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67 return self.fileUpload(filepath, filename or None, upload_jid, options or None, profile)
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68
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69 @defer.inlineCallbacks
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70 def fileUpload(self, filepath, filename, upload_jid, options, profile=C.PROF_KEY_NONE):
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71 """Send a file using best available method
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72
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73 @param filepath(str): absolute path to the file
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74 @param filename(None, unicode): name to use for the upload
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75 None to use basename of the path
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76 @param upload_jid(jid.JID, None): upload capable entity jid,
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77 or None to use autodetected, if possible
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78 @param options(dict): option to use for the upload, may be:
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79 - ignore-tls-errors(bool): True to ignore SSL/TLS certificate verification
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80 used only if HTTPS transport is needed
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81 @param profile: %(doc_profile)s
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82 @return (dict): action dictionary, with progress id in case of success, else xmlui message
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83 """
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84 if not os.path.isfile(filepath):
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85 raise exceptions.DataError(u"The given path doesn't link to a file")
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86 for method_name, available_cb, upload_cb, priority in self._upload_callbacks:
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87 try:
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88 upload_jid = yield available_cb(upload_jid, profile)
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89 except exceptions.NotFound:
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90 continue # no entity managing this extension found
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91 log.info(u"{name} method will be used to upload the file".format(name=method_name))
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92 progress_id = yield defer.maybeDeferred(upload_cb, filepath, filename, upload_jid, options, profile)
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93 defer.returnValue({'progress': progress_id})
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94
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95 # if we reach this point, no entity handling any known upload method has been found
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96 msg = u"Can't find any method to upload a file"
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97 log.warning(msg)
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98 defer.returnValue({'xmlui': xml_tools.note(u"Can't upload file", msg, C.XMLUI_DATA_LVL_WARNING).toXml()})
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99
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100 def register(self, method_name, available_cb, upload_cb, priority=0):
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101 """Register a fileUploading method
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102
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103 @param method_name(unicode): short name for the method, must be unique
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104 @param available_cb(callable): method to call to check if this method is usable
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105 the callback must take two arguments: upload_jid (can be None) and profile
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106 the callback must return the first entity found (being upload_jid or one of its components)
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107 exceptions.NotFound must be raised if no entity has been found
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108 @param upload_cb(callable): method to upload a file (must have the same signature as [fileUpload])
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109 @param priority(int): pririoty of this method, the higher available will be used
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110 """
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111 assert method_name
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112 for data in self._upload_callbacks:
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113 if method_name == data[0]:
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114 raise exceptions.ConflictError(u'A method with this name is already registered')
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115 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority))
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116 self._upload_callbacks.sort(key=lambda data: data[2], reverse=True)
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117
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118 def unregister(self, method_name):
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119 for idx, data in enumerate(self._upload_callbacks):
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120 if data[0] == method_name:
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121 del [idx]
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122 return
d470affbe65c plugin XEP-0363, upload: File upload (through HTTP upload only for now):
Goffi <goffi@goffi.org>
parents:
diff changeset
123 raise exceptions.NotFound(u"The name to unregister doesn't exist")