Mercurial > libervia-web
annotate twisted/plugins/libervia_server.py @ 1427:eaf36fffcbdb
pages (forums): better breadcrumbs
author | Goffi <goffi@goffi.org> |
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date | Sat, 01 May 2021 19:05:16 +0200 |
parents | 388558a30cf8 |
children | 1f66a363f1a0 |
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1239 | 1 #!/usr/bin/env python3 |
2 | |
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3 # Libervia Web: Libervia web frontend |
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4 # Copyright (C) 2013-2021 Jérôme Poisson <goffi@goffi.org> |
818 | 5 # Copyright (C) 2013-2016 Adrien Cossa <souliane@mailoo.org> |
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6 # Copyright (C) 2013 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
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7 |
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8 # This program is free software: you can redistribute it and/or modify |
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9 # it under the terms of the GNU Affero General Public License as published by |
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10 # the Free Software Foundation, either version 3 of the License, or |
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11 # (at your option) any later version. |
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12 |
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13 # This program is distributed in the hope that it will be useful, |
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14 # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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16 # GNU Affero General Public License for more details. |
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17 |
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18 # You should have received a copy of the GNU Affero General Public License |
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19 # along with this program. If not, see <http://www.gnu.org/licenses/>. |
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20 |
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21 from twisted.internet import defer |
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22 |
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23 if defer.Deferred.debug: |
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24 # if we are in debug mode, we want to use ipdb instead of pdb |
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25 try: |
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26 import ipdb |
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27 import pdb |
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28 |
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29 pdb.set_trace = ipdb.set_trace |
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30 pdb.post_mortem = ipdb.post_mortem |
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31 except ImportError: |
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32 pass |
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33 |
514 | 34 import os.path |
856 | 35 import libervia |
36 import sat | |
514 | 37 |
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38 from libervia.server.constants import Const as C |
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39 |
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40 from sat.core.i18n import _ |
811 | 41 from sat.tools import config |
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42 |
1216 | 43 from zope.interface import implementer |
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44 |
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45 from twisted.python import usage |
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46 from twisted.plugin import IPlugin |
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47 from twisted.application.service import IServiceMaker |
1216 | 48 import configparser |
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49 |
811 | 50 |
856 | 51 if libervia.__version__ != sat.__version__: |
52 import sys | |
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53 |
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54 sys.stderr.write( |
1216 | 55 """sat module version ({sat_version}) and {current_app} version ({current_version}) mismatch |
856 | 56 |
57 sat module is located at {sat_path} | |
58 libervia module is located at {libervia_path} | |
59 | |
60 Please be sure to have the same version running | |
61 """.format( | |
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62 sat_version=sat.__version__, |
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63 current_app=C.APP_NAME, |
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64 current_version=libervia.__version__, |
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65 sat_path=os.path.dirname(sat.__file__), |
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66 libervia_path=os.path.dirname(libervia.__file__), |
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67 ).encode( |
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68 "utf-8" |
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69 ) |
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70 ) |
856 | 71 sys.stderr.flush() |
72 # we call os._exit to avoid help to be printed by twisted | |
73 import os | |
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74 |
856 | 75 os._exit(1) |
514 | 76 |
77 | |
78 def coerceConnectionType(value): # called from Libervia.OPT_PARAMETERS | |
1216 | 79 assert isinstance(value, str) |
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80 allowed_values = ("http", "https", "both") |
514 | 81 if value not in allowed_values: |
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82 raise ValueError( |
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83 "%(given)s not in %(expected)s" |
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84 % {"given": value, "expected": str(allowed_values)} |
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85 ) |
514 | 86 return value |
87 | |
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88 |
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89 def coerceBool(value): |
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90 return C.bool(value) |
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91 |
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92 |
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93 def coerceUnicode(value): |
1216 | 94 assert isinstance(value, str) |
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95 # XXX: we use this method to check which value to convert to Unicode |
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96 # but we don't do the conversion here as Twisted expect str |
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97 return value |
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98 |
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99 |
514 | 100 DATA_DIR_DEFAULT = '' |
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101 # prefix used for environment variables |
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102 ENV_PREFIX = "LIBERVIA_" |
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103 # options which are in sat.conf and on command line, |
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104 # see https://twistedmatrix.com/documents/current/api/twisted.python.usage.Options.html |
1216 | 105 OPT_PARAMETERS_BOTH = [['connection_type', 't', 'https', _("'http', 'https' or 'both' " |
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106 "(to launch both servers)."), |
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107 coerceConnectionType], |
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108 ['port', 'p', 8080, |
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109 _('The port number to listen HTTP on.'), int], |
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110 ['port_https', 's', 8443, |
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111 _('The port number to listen HTTPS on.'), int], |
1216 | 112 ['port_https_ext', 'e', 0, _('The external port number used for ' |
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113 'HTTPS (0 means port_https value).'), int], |
1216 | 114 ['tls_private_key', '', '', _('TLS certificate private key (PEM ' |
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115 'format)'), coerceUnicode], |
1216 | 116 ['tls_certificate', 'c', 'libervia.pem', _('TLS public ' |
117 'certificate or private key and public certificate combined ' | |
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118 '(PEM format)'), coerceUnicode], |
1216 | 119 ['tls_chain', '', '', _('TLS certificate intermediate chain (PEM ' |
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120 'format)'), coerceUnicode], |
1216 | 121 ['redirect_to_https', 'r', True, _('Automatically redirect from ' |
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122 'HTTP to HTTPS.'), coerceBool], |
1216 | 123 ['security_warning', 'w', True, _('Warn user that he is about to ' |
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124 'connect on HTTP.'), coerceBool], |
1216 | 125 ['passphrase', 'k', '', (_("Passphrase for the SàT profile " |
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126 "named '%s'") % C.SERVICE_PROFILE), |
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127 coerceUnicode], |
1216 | 128 ['allow_registration', '', True, _('Allow user to register new ' |
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129 'account'), coerceBool], |
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130 ['base_url_ext', '', '', |
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131 _('The external URL to use as base URL'), |
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132 coerceUnicode], |
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133 ['bridge-retries', '', 10, |
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134 _('Number of tries to connect to bridge before giving up'), int], |
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135 ] |
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136 |
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137 # Options which are in sat.conf only |
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138 OPT_PARAMETERS_CFG = [ |
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139 ["empty_password_allowed_warning_dangerous_list", None, "", None], |
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140 ["vhosts_dict", None, {}, None], |
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141 ["url_redirections_dict", None, {}, None], |
1216 | 142 ["menu_json", None, {'': C.DEFAULT_MENU}, None], |
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143 ["menu_extra_json", None, {}, None], |
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144 ["lists_directory_json", None, None, None], |
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145 ["mr_handlers_json", None, None, None], |
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146 ] |
514 | 147 |
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148 # Flags are in command line only |
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149 OPT_FLAGS = [ |
1368 | 150 ['build-only', 'B', _("Only build website, don't run the server")], |
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151 ['dev-mode', 'D', _('Developer mode, automatically reload modified pages')], |
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152 ] |
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153 |
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154 |
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155 |
514 | 156 def initialise(options): |
157 """Method to initialise global modules""" | |
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158 # XXX: We need to configure logs before any log method is used, |
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159 # so here is the best place. |
514 | 160 from sat.core import log_config |
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161 |
514 | 162 log_config.satConfigure(C.LOG_BACKEND_TWISTED, C, backend_data=options) |
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163 |
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164 |
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165 class Options(usage.Options): |
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166 # optArgs is not really useful in our case, we need more than a flag |
514 | 167 optParameters = OPT_PARAMETERS_BOTH |
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168 optFlags = OPT_FLAGS |
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169 |
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170 def __init__(self): |
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171 """Read SàT configuration file in order to overwrite the hard-coded default values |
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172 |
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173 Priority for the usage of the values is (from lowest to highest): |
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174 - hard-coded default values |
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175 - values from SàT configuration files |
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176 - values passed on the command line |
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177 """ |
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178 # If we do it the reading later: after the command line options have been parsed, |
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179 # there's no good way to know |
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180 # if the options values are the hard-coded ones or if they have been passed |
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181 # on the command line. |
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182 |
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183 # FIXME: must be refactored + code can be factorised with backend |
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184 config_parser = config.parseMainConf() |
811 | 185 self.handleDeprecated(config_parser) |
514 | 186 for param in self.optParameters + OPT_PARAMETERS_CFG: |
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187 name = param[0] |
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188 env_name = f"{ENV_PREFIX}{name.upper()}" |
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189 try: |
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190 value = os.getenv(env_name) |
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191 if value is None: |
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192 value = config.getConfig( |
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193 config_parser, C.CONFIG_SECTION, name, Exception) |
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194 try: |
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195 param[2] = param[4](value) |
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196 except IndexError: # the coerce method is optional |
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197 param[2] = value |
1216 | 198 except (configparser.NoSectionError, configparser.NoOptionError): |
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199 pass |
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200 usage.Options.__init__(self) |
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201 for opt_data in OPT_PARAMETERS_CFG: |
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202 self[opt_data[0]] = opt_data[2] |
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203 |
811 | 204 def handleDeprecated(self, config_parser): |
205 """display warning and/or change option when a deprecated option if found | |
206 | |
207 param config_parser(ConfigParser): read ConfigParser instance for sat.conf | |
208 """ | |
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209 replacements = (("ssl_certificate", "tls_certificate"),) |
811 | 210 for old, new in replacements: |
211 try: | |
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212 value = config.getConfig(config_parser, C.CONFIG_SECTION, old, Exception) |
1216 | 213 except (configparser.NoSectionError, configparser.NoOptionError): |
811 | 214 pass |
215 else: | |
1216 | 216 print(("\n/!\\ Use of {old} is deprecated, please use {new} instead\n" |
217 .format(old=old, new=new))) | |
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218 config_parser.set(C.CONFIG_SECTION, new, value) |
811 | 219 |
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220 |
1216 | 221 @implementer(IServiceMaker, IPlugin) |
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222 class LiberviaMaker(object): |
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223 |
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224 tapname = C.APP_NAME_FILE |
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225 description = _("The web frontend of Libervia") |
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226 options = Options |
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227 |
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228 def makeService(self, options): |
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229 from twisted.internet import gireactor |
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230 gireactor.install() |
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231 for opt in OPT_PARAMETERS_BOTH: |
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232 # FIXME: that's a ugly way to get unicode in Libervia |
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233 # from command line or sat.conf |
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234 # we should move to argparse and handle options this properly |
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235 try: |
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236 coerce_cb = opt[4] |
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237 except IndexError: |
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238 continue |
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239 if coerce_cb == coerceUnicode: |
1216 | 240 if not isinstance(options[opt[0]], str): |
241 print(f"FIXME: {opt[0]} is not unicode") | |
242 options[opt[0]] = options[opt[0]].decode("utf-8") | |
514 | 243 initialise(options.parent) |
244 from libervia.server import server | |
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245 |
810 | 246 return server.Libervia(options) |
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247 |
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248 |
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249 # affectation to some variable is necessary for twisted introspection to work |
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250 serviceMaker = LiberviaMaker() |