Mercurial > libervia-backend
annotate src/plugins/plugin_misc_upload.py @ 2403:dec31114c402
template: improved date formatter:
the date filter is now named "date_fmt" and can be use to specify several useful formats (see docstring), using the current locale.
The "relative" format return the whole human readable relative date.
The new in_the_past test allow to check if a date is passed.
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 27 Oct 2017 18:20:10 +0200 |
| parents | 33c8c4973743 |
| children | 8b37a62336c3 |
| rev | line source |
|---|---|
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1934
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use of /usr/bin/env instead of /usr/bin/python in shebang
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1 #!/usr/bin/env python2 |
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2 # -*- coding: utf-8 -*- |
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3 |
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4 # SAT plugin for file tansfer |
| 1766 | 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 C.PI_NAME: "File Upload", |
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34 C.PI_IMPORT_NAME: "UPLOAD", |
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35 C.PI_TYPE: C.PLUG_TYPE_MISC, |
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36 C.PI_MAIN: "UploadPlugin", |
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37 C.PI_HANDLER: "no", |
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38 C.PI_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 |
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47 class UploadPlugin(object): |
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48 # TODO: plugin unload |
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49 |
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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 client = self.host.getClient(profile) |
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58 upload_jid = jid.JID(upload_jid_s) if upload_jid_s else None |
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59 if options is None: |
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60 options = {} |
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61 # we convert values that are well-known booleans |
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62 for bool_option in BOOL_OPTIONS: |
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63 try: |
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64 options[bool_option] = C.bool(options[bool_option]) |
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65 except KeyError: |
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66 pass |
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67 |
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68 return self.fileUpload(client, filepath, filename or None, upload_jid, options or None) |
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69 |
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70 def fileUpload(self, client, filepath, filename, upload_jid, options): |
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71 """Send a file using best available method |
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72 |
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73 parameters are the same as for [upload] |
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74 @return (dict): action dictionary, with progress id in case of success, else xmlui message |
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75 """ |
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76 def uploadCb(data): |
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77 progress_id, dummy = data |
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78 return {'progress': progress_id} |
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79 |
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80 def uploadEb(fail): |
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81 msg = unicode(fail) |
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82 log.warning(msg) |
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83 return {'xmlui': xml_tools.note(u"Can't upload file", msg, C.XMLUI_DATA_LVL_WARNING).toXml()} |
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84 |
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85 d = self.upload(client, filepath, filename, upload_jid, options) |
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86 d.addCallback(uploadCb) |
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87 d.addErrback(uploadEb) |
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88 return d |
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89 |
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90 @defer.inlineCallbacks |
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91 def upload(self, client, filepath, filename=None, upload_jid=None, options=None): |
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92 """Send a file using best available method |
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93 |
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94 @param filepath(str): absolute path to the file |
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95 @param filename(None, unicode): name to use for the upload |
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96 None to use basename of the path |
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97 @param upload_jid(jid.JID, None): upload capable entity jid, |
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98 or None to use autodetected, if possible |
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99 @param options(dict): option to use for the upload, may be: |
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100 - ignore_tls_errors(bool): True to ignore SSL/TLS certificate verification |
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101 used only if HTTPS transport is needed |
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102 @param profile: %(doc_profile)s |
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103 @return (tuple[unicode,D(unicode)]): progress_id and a Deferred which fire download URL |
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104 when upload is finished |
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105 """ |
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106 if options is None: |
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107 options = {} |
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108 if not os.path.isfile(filepath): |
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109 raise exceptions.DataError(u"The given path doesn't link to a file") |
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110 for method_name, available_cb, upload_cb, priority in self._upload_callbacks: |
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111 try: |
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112 upload_jid = yield available_cb(upload_jid, client.profile) |
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113 except exceptions.NotFound: |
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114 continue # no entity managing this extension found |
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115 |
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116 log.info(u"{name} method will be used to upload the file".format(name=method_name)) |
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117 progress_id_d, download_d = yield upload_cb(filepath, filename, upload_jid, options, client.profile) |
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118 progress_id = yield progress_id_d |
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119 defer.returnValue((progress_id, download_d)) |
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120 |
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121 raise exceptions.NotFound(u"Can't find any method to upload a file") |
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122 |
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123 def register(self, method_name, available_cb, upload_cb, priority=0): |
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124 """Register a fileUploading method |
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125 |
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126 @param method_name(unicode): short name for the method, must be unique |
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127 @param available_cb(callable): method to call to check if this method is usable |
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128 the callback must take two arguments: upload_jid (can be None) and profile |
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129 the callback must return the first entity found (being upload_jid or one of its components) |
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130 exceptions.NotFound must be raised if no entity has been found |
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131 @param upload_cb(callable): method to upload a file |
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132 must have the same signature as [fileUpload] |
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133 must return a tuple with progress_id and a Deferred which fire download URL when |
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134 upload is finished |
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135 @param priority(int): pririoty of this method, the higher available will be used |
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136 """ |
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137 assert method_name |
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138 for data in self._upload_callbacks: |
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139 if method_name == data[0]: |
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140 raise exceptions.ConflictError(u'A method with this name is already registered') |
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141 self._upload_callbacks.append((method_name, available_cb, upload_cb, priority)) |
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142 self._upload_callbacks.sort(key=lambda data: data[3], reverse=True) |
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143 |
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144 def unregister(self, method_name): |
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145 for idx, data in enumerate(self._upload_callbacks): |
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146 if data[0] == method_name: |
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147 del [idx] |
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148 return |
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149 raise exceptions.NotFound(u"The name to unregister doesn't exist") |