annotate twisted/plugins/libervia_server.py @ 1513:ff95501abe74

server (websocket): don't crash when a force-close is failing
author Goffi <goffi@goffi.org>
date Mon, 22 May 2023 11:57:49 +0200
parents 106bae41f5c8
children eb00d593801d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python3
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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>
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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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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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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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21 from twisted.internet import defer
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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
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34 import re
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35 import os.path
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36 import libervia
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37 import sat
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38
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39 from libervia.server.constants import Const as C
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40
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41 from sat.core.i18n import _
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42 from sat.tools import config
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43
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44 from zope.interface import implementer
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46 from twisted.python import usage
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47 from twisted.plugin import IPlugin
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48 from twisted.application.service import IServiceMaker
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49 import configparser
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51
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52 RE_VER_POST = re.compile(r"\.post[0-9]+")
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53
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54 if RE_VER_POST.sub("", libervia.__version__) != RE_VER_POST.sub("", sat.__version__):
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55 import sys
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56
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57 sys.stderr.write(
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58 """sat module version ({sat_version}) and {current_app} version ({current_version}) mismatch
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59
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60 sat module is located at {sat_path}
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61 libervia module is located at {libervia_path}
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62
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63 Please be sure to have the same version running
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64 """.format(
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65 sat_version=sat.__version__,
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66 current_app=C.APP_NAME,
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67 current_version=libervia.__version__,
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68 sat_path=os.path.dirname(sat.__file__),
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69 libervia_path=os.path.dirname(libervia.__file__),
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70 )
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71 )
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72 sys.stderr.flush()
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73 # we call os._exit to avoid help to be printed by twisted
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74 import os
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75
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76 os._exit(1)
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78
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79 def coerceConnectionType(value): # called from Libervia.OPT_PARAMETERS
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80 assert isinstance(value, str)
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81 allowed_values = ("http", "https", "both")
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82 if value not in allowed_values:
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83 raise ValueError(
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84 "%(given)s not in %(expected)s"
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85 % {"given": value, "expected": str(allowed_values)}
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86 )
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87 return value
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88
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89
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90 def coerceBool(value):
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91 return C.bool(value)
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92
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93
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94 def coerceUnicode(value):
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95 assert isinstance(value, str)
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96 # XXX: we use this method to check which value to convert to Unicode
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97 # but we don't do the conversion here as Twisted expect str
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98 return value
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99
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100
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101 DATA_DIR_DEFAULT = ''
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102 # prefix used for environment variables
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103 ENV_PREFIX = "LIBERVIA_"
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104 # options which are in sat.conf and on command line,
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105 # see https://twistedmatrix.com/documents/current/api/twisted.python.usage.Options.html
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106 OPT_PARAMETERS_BOTH = [['connection_type', 't', 'https', _("'http', 'https' or 'both' "
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107 "(to launch both servers)."),
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108 coerceConnectionType],
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109 ['port', 'p', 8080,
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110 _('The port number to listen HTTP on.'), int],
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111 ['port_https', 's', 8443,
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112 _('The port number to listen HTTPS on.'), int],
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113 ['port_https_ext', 'e', 0, _('The external port number used for '
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114 'HTTPS (0 means port_https value).'), int],
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115 ['tls_private_key', '', '', _('TLS certificate private key (PEM '
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116 'format)'), coerceUnicode],
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117 ['tls_certificate', 'c', 'libervia.pem', _('TLS public '
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118 'certificate or private key and public certificate combined '
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119 '(PEM format)'), coerceUnicode],
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120 ['tls_chain', '', '', _('TLS certificate intermediate chain (PEM '
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121 'format)'), coerceUnicode],
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122 ['redirect_to_https', 'r', True, _('Automatically redirect from '
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123 'HTTP to HTTPS.'), coerceBool],
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124 ['security_warning', 'w', True, _('Warn user that he is about to '
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125 'connect on HTTP.'), coerceBool],
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126 ['passphrase', 'k', '', (_("Passphrase for the SàT profile "
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127 "named '%s'") % C.SERVICE_PROFILE),
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128 coerceUnicode],
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129 ['allow_registration', '', True, _('Allow user to register new '
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130 'account'), coerceBool],
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131 ['base_url_ext', '', '',
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132 _('The external URL to use as base URL'),
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133 coerceUnicode],
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Goffi <goffi@goffi.org>
parents: 1366
diff changeset
134 ['bridge-retries', '', 10,
ce5cfe004d4e server: new `--bridge-retries` option:
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parents: 1366
diff changeset
135 _('Number of tries to connect to bridge before giving up'), int],
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136 ]
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Goffi <goffi@goffi.org>
parents: 1365
diff changeset
137
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parents: 856
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138 # Options which are in sat.conf only
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139 OPT_PARAMETERS_CFG = [
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140 ["empty_password_allowed_warning_dangerous_list", None, "", None],
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parents: 1125
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141 ["vhosts_dict", None, {}, None],
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parents: 1081
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142 ["url_redirections_dict", None, {}, None],
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143 ["menu_json", None, {'': C.DEFAULT_MENU}, None],
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Goffi <goffi@goffi.org>
parents: 1275
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144 ["menu_extra_json", None, {}, None],
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e3e303a30a74 pages (tickets): renamed "tickets" to "lists":
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145 ["lists_directory_json", None, None, None],
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146 ["mr_handlers_json", None, None, None],
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Goffi <goffi@goffi.org>
parents: 856
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147 ]
514
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parents: 512
diff changeset
148
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149 # Flags are in command line only
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150 OPT_FLAGS = [
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parents: 1367
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151 ['build-only', 'B', _("Only build website, don't run the server")],
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parents: 1363
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152 ['dev-mode', 'D', _('Developer mode, automatically reload modified pages')],
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Goffi <goffi@goffi.org>
parents: 1363
diff changeset
153 ]
df40708c4c76 server: renamed `--dev_mode` to `--dev-mode` and set it as a flag:
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parents: 1363
diff changeset
154
df40708c4c76 server: renamed `--dev_mode` to `--dev-mode` and set it as a flag:
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parents: 1363
diff changeset
155
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156
514
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157 def initialise(options):
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158 """Method to initialise global modules"""
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159 # XXX: We need to configure logs before any log method is used,
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160 # so here is the best place.
514
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parents: 512
diff changeset
161 from sat.core import log_config
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162
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parents: 1449
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163 log_config.sat_configure(C.LOG_BACKEND_TWISTED, C, backend_data=options)
331
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parents:
diff changeset
164
06a48d805547 server side: make Libervia a Twisted plugin, and add it the --port argument + add a config file for the port.
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parents:
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165
06a48d805547 server side: make Libervia a Twisted plugin, and add it the --port argument + add a config file for the port.
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parents:
diff changeset
166 class Options(usage.Options):
415
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parents: 360
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167 # optArgs is not really useful in our case, we need more than a flag
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parents: 512
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168 optParameters = OPT_PARAMETERS_BOTH
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169 optFlags = OPT_FLAGS
415
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parents: 360
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170
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171 def __init__(self):
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172 """Read SàT configuration file in order to overwrite the hard-coded default values
470
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parents: 466
diff changeset
173
34ce41e014c4 server side: options managing improvments:
Goffi <goffi@goffi.org>
parents: 466
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174 Priority for the usage of the values is (from lowest to highest):
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parents: 466
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175 - hard-coded default values
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parents: 466
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176 - values from SàT configuration files
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parents: 466
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177 - values passed on the command line
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178 """
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179 # If we do it the reading later: after the command line options have been parsed,
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180 # there's no good way to know
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181 # if the options values are the hard-coded ones or if they have been passed
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parents: 1081
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182 # on the command line.
470
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183
34ce41e014c4 server side: options managing improvments:
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parents: 466
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184 # FIXME: must be refactored + code can be factorised with backend
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185 config_parser = config.parse_main_conf()
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186 self.handleDeprecated(config_parser)
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187 for param in self.optParameters + OPT_PARAMETERS_CFG:
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parents: 421
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188 name = param[0]
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189 env_name = f"{ENV_PREFIX}{name.upper()}"
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souliane <souliane@mailoo.org>
parents: 360
diff changeset
190 try:
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parents: 1359
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191 value = os.getenv(env_name)
c3dac1e11341 server: options can now be specified with environment variables:
Goffi <goffi@goffi.org>
parents: 1359
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192 if value is None:
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parents: 1449
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193 value = config.config_get(
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194 config_parser, C.CONFIG_SECTION, name, Exception)
470
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Goffi <goffi@goffi.org>
parents: 466
diff changeset
195 try:
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196 param[2] = param[4](value)
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197 except IndexError: # the coerce method is optional
470
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198 param[2] = value
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diff changeset
199 except (configparser.NoSectionError, configparser.NoOptionError):
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souliane <souliane@mailoo.org>
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200 pass
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201 usage.Options.__init__(self)
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parents: 814
diff changeset
202 for opt_data in OPT_PARAMETERS_CFG:
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parents: 814
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203 self[opt_data[0]] = opt_data[2]
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parents:
diff changeset
204
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205 def handleDeprecated(self, config_parser):
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parents: 810
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206 """display warning and/or change option when a deprecated option if found
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Goffi <goffi@goffi.org>
parents: 810
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207
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parents: 810
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208 param config_parser(ConfigParser): read ConfigParser instance for sat.conf
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Goffi <goffi@goffi.org>
parents: 810
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209 """
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210 replacements = (("ssl_certificate", "tls_certificate"),)
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Goffi <goffi@goffi.org>
parents: 810
diff changeset
211 for old, new in replacements:
b1826adbeeff server: tls_certificate option:
Goffi <goffi@goffi.org>
parents: 810
diff changeset
212 try:
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parents: 1449
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213 value = config.config_get(config_parser, C.CONFIG_SECTION, old, Exception)
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parents: 1199
diff changeset
214 except (configparser.NoSectionError, configparser.NoOptionError):
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215 pass
b1826adbeeff server: tls_certificate option:
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parents: 810
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216 else:
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parents: 1199
diff changeset
217 print(("\n/!\\ Use of {old} is deprecated, please use {new} instead\n"
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parents: 1199
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218 .format(old=old, new=new)))
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parents: 1239
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219 config_parser.set(C.CONFIG_SECTION, new, value)
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220
331
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parents:
diff changeset
221
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222 @implementer(IServiceMaker, IPlugin)
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parents:
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223 class LiberviaMaker(object):
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parents: 446
diff changeset
224
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diff changeset
225 tapname = C.APP_NAME_FILE
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226 description = _("The web frontend of Libervia")
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parents:
diff changeset
227 options = Options
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parents:
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228
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parents:
diff changeset
229 def makeService(self, options):
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230 from twisted.internet import gireactor
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231 gireactor.install()
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parents: 881
diff changeset
232 for opt in OPT_PARAMETERS_BOTH:
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parents: 881
diff changeset
233 # FIXME: that's a ugly way to get unicode in Libervia
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234 # from command line or sat.conf
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235 # we should move to argparse and handle options this properly
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parents: 881
diff changeset
236 try:
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diff changeset
237 coerce_cb = opt[4]
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parents: 881
diff changeset
238 except IndexError:
74be6217d913 server (options): Q&D trick to have unicode value from command line arguments and sat.conf
Goffi <goffi@goffi.org>
parents: 881
diff changeset
239 continue
74be6217d913 server (options): Q&D trick to have unicode value from command line arguments and sat.conf
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parents: 881
diff changeset
240 if coerce_cb == coerceUnicode:
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parents: 1199
diff changeset
241 if not isinstance(options[opt[0]], str):
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parents: 1199
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242 print(f"FIXME: {opt[0]} is not unicode")
b2d067339de3 python 3 port:
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243 options[opt[0]] = options[opt[0]].decode("utf-8")
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parents: 512
diff changeset
244 initialise(options.parent)
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parents: 512
diff changeset
245 from libervia.server import server
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diff changeset
246
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parents: 712
diff changeset
247 return server.Libervia(options)
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parents:
diff changeset
248
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parents:
diff changeset
249
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parents: 417
diff changeset
250 # affectation to some variable is necessary for twisted introspection to work
331
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parents:
diff changeset
251 serviceMaker = LiberviaMaker()