Mercurial > libervia-web
annotate twisted/plugins/libervia_server.py @ 1452:15bb2673eb72
install (setup): update `libervia-backend` version requirement
| author | Goffi <goffi@goffi.org> |
|---|---|
| date | Fri, 27 Aug 2021 16:24:45 +0200 |
| parents | 1f66a363f1a0 |
| children | 7e63fdb272e5 |
| rev | line source |
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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 ) |
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68 ) |
| 856 | 69 sys.stderr.flush() |
| 70 # we call os._exit to avoid help to be printed by twisted | |
| 71 import os | |
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72 |
| 856 | 73 os._exit(1) |
| 514 | 74 |
| 75 | |
| 76 def coerceConnectionType(value): # called from Libervia.OPT_PARAMETERS | |
| 1216 | 77 assert isinstance(value, str) |
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78 allowed_values = ("http", "https", "both") |
| 514 | 79 if value not in allowed_values: |
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80 raise ValueError( |
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81 "%(given)s not in %(expected)s" |
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82 % {"given": value, "expected": str(allowed_values)} |
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83 ) |
| 514 | 84 return value |
| 85 | |
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86 |
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87 def coerceBool(value): |
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88 return C.bool(value) |
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89 |
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90 |
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91 def coerceUnicode(value): |
| 1216 | 92 assert isinstance(value, str) |
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93 # XXX: we use this method to check which value to convert to Unicode |
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94 # but we don't do the conversion here as Twisted expect str |
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95 return value |
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96 |
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97 |
| 514 | 98 DATA_DIR_DEFAULT = '' |
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99 # prefix used for environment variables |
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100 ENV_PREFIX = "LIBERVIA_" |
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101 # options which are in sat.conf and on command line, |
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102 # see https://twistedmatrix.com/documents/current/api/twisted.python.usage.Options.html |
| 1216 | 103 OPT_PARAMETERS_BOTH = [['connection_type', 't', 'https', _("'http', 'https' or 'both' " |
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104 "(to launch both servers)."), |
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105 coerceConnectionType], |
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106 ['port', 'p', 8080, |
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107 _('The port number to listen HTTP on.'), int], |
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108 ['port_https', 's', 8443, |
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109 _('The port number to listen HTTPS on.'), int], |
| 1216 | 110 ['port_https_ext', 'e', 0, _('The external port number used for ' |
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111 'HTTPS (0 means port_https value).'), int], |
| 1216 | 112 ['tls_private_key', '', '', _('TLS certificate private key (PEM ' |
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113 'format)'), coerceUnicode], |
| 1216 | 114 ['tls_certificate', 'c', 'libervia.pem', _('TLS public ' |
| 115 'certificate or private key and public certificate combined ' | |
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116 '(PEM format)'), coerceUnicode], |
| 1216 | 117 ['tls_chain', '', '', _('TLS certificate intermediate chain (PEM ' |
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118 'format)'), coerceUnicode], |
| 1216 | 119 ['redirect_to_https', 'r', True, _('Automatically redirect from ' |
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120 'HTTP to HTTPS.'), coerceBool], |
| 1216 | 121 ['security_warning', 'w', True, _('Warn user that he is about to ' |
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122 'connect on HTTP.'), coerceBool], |
| 1216 | 123 ['passphrase', 'k', '', (_("Passphrase for the SàT profile " |
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124 "named '%s'") % C.SERVICE_PROFILE), |
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125 coerceUnicode], |
| 1216 | 126 ['allow_registration', '', True, _('Allow user to register new ' |
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127 'account'), coerceBool], |
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128 ['base_url_ext', '', '', |
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129 _('The external URL to use as base URL'), |
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130 coerceUnicode], |
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131 ['bridge-retries', '', 10, |
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132 _('Number of tries to connect to bridge before giving up'), int], |
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133 ] |
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134 |
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135 # Options which are in sat.conf only |
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136 OPT_PARAMETERS_CFG = [ |
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137 ["empty_password_allowed_warning_dangerous_list", None, "", None], |
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138 ["vhosts_dict", None, {}, None], |
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139 ["url_redirections_dict", None, {}, None], |
| 1216 | 140 ["menu_json", None, {'': C.DEFAULT_MENU}, None], |
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141 ["menu_extra_json", None, {}, None], |
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142 ["lists_directory_json", None, None, None], |
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143 ["mr_handlers_json", None, None, None], |
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144 ] |
| 514 | 145 |
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146 # Flags are in command line only |
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147 OPT_FLAGS = [ |
| 1368 | 148 ['build-only', 'B', _("Only build website, don't run the server")], |
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149 ['dev-mode', 'D', _('Developer mode, automatically reload modified pages')], |
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150 ] |
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151 |
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152 |
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153 |
| 514 | 154 def initialise(options): |
| 155 """Method to initialise global modules""" | |
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156 # XXX: We need to configure logs before any log method is used, |
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157 # so here is the best place. |
| 514 | 158 from sat.core import log_config |
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159 |
| 514 | 160 log_config.satConfigure(C.LOG_BACKEND_TWISTED, C, backend_data=options) |
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161 |
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162 |
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163 class Options(usage.Options): |
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164 # optArgs is not really useful in our case, we need more than a flag |
| 514 | 165 optParameters = OPT_PARAMETERS_BOTH |
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166 optFlags = OPT_FLAGS |
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167 |
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168 def __init__(self): |
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169 """Read SàT configuration file in order to overwrite the hard-coded default values |
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170 |
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171 Priority for the usage of the values is (from lowest to highest): |
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172 - hard-coded default values |
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173 - values from SàT configuration files |
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174 - values passed on the command line |
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175 """ |
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176 # If we do it the reading later: after the command line options have been parsed, |
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177 # there's no good way to know |
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178 # if the options values are the hard-coded ones or if they have been passed |
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179 # on the command line. |
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180 |
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181 # FIXME: must be refactored + code can be factorised with backend |
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182 config_parser = config.parseMainConf() |
| 811 | 183 self.handleDeprecated(config_parser) |
| 514 | 184 for param in self.optParameters + OPT_PARAMETERS_CFG: |
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185 name = param[0] |
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186 env_name = f"{ENV_PREFIX}{name.upper()}" |
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187 try: |
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188 value = os.getenv(env_name) |
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189 if value is None: |
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190 value = config.getConfig( |
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191 config_parser, C.CONFIG_SECTION, name, Exception) |
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192 try: |
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193 param[2] = param[4](value) |
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194 except IndexError: # the coerce method is optional |
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195 param[2] = value |
| 1216 | 196 except (configparser.NoSectionError, configparser.NoOptionError): |
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197 pass |
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198 usage.Options.__init__(self) |
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199 for opt_data in OPT_PARAMETERS_CFG: |
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200 self[opt_data[0]] = opt_data[2] |
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201 |
| 811 | 202 def handleDeprecated(self, config_parser): |
| 203 """display warning and/or change option when a deprecated option if found | |
| 204 | |
| 205 param config_parser(ConfigParser): read ConfigParser instance for sat.conf | |
| 206 """ | |
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207 replacements = (("ssl_certificate", "tls_certificate"),) |
| 811 | 208 for old, new in replacements: |
| 209 try: | |
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210 value = config.getConfig(config_parser, C.CONFIG_SECTION, old, Exception) |
| 1216 | 211 except (configparser.NoSectionError, configparser.NoOptionError): |
| 811 | 212 pass |
| 213 else: | |
| 1216 | 214 print(("\n/!\\ Use of {old} is deprecated, please use {new} instead\n" |
| 215 .format(old=old, new=new))) | |
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216 config_parser.set(C.CONFIG_SECTION, new, value) |
| 811 | 217 |
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218 |
| 1216 | 219 @implementer(IServiceMaker, IPlugin) |
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220 class LiberviaMaker(object): |
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221 |
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222 tapname = C.APP_NAME_FILE |
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223 description = _("The web frontend of Libervia") |
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224 options = Options |
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225 |
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226 def makeService(self, options): |
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227 from twisted.internet import gireactor |
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228 gireactor.install() |
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229 for opt in OPT_PARAMETERS_BOTH: |
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230 # FIXME: that's a ugly way to get unicode in Libervia |
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231 # from command line or sat.conf |
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232 # we should move to argparse and handle options this properly |
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233 try: |
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234 coerce_cb = opt[4] |
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235 except IndexError: |
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236 continue |
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237 if coerce_cb == coerceUnicode: |
| 1216 | 238 if not isinstance(options[opt[0]], str): |
| 239 print(f"FIXME: {opt[0]} is not unicode") | |
| 240 options[opt[0]] = options[opt[0]].decode("utf-8") | |
| 514 | 241 initialise(options.parent) |
| 242 from libervia.server import server | |
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243 |
| 810 | 244 return server.Libervia(options) |
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245 |
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246 |
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247 # affectation to some variable is necessary for twisted introspection to work |
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248 serviceMaker = LiberviaMaker() |