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Changes between Version 1 and Version 2 of TracModPython
- Timestamp:
- 12/04/17 13:27:54 (7 years ago)
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TracModPython
v1 v2 4 4 Trac supports [http://www.modpython.org/ mod_python], which speeds up Trac's response times considerably, especially compared to [TracCgi CGI], and permits use of many Apache features not possible with [wiki:TracStandalone tracd]/mod_proxy. 5 5 6 These instructions are for Apache 2; if you are still using Apache 1.3, you may have some luck with [trac:wiki:TracModPython2.7 TracModPython2.7]. 7 8 == Simple configuration == 6 {{{#!div class="important" 7 ** A Word of Warning ** 8 9 As of 16^th^ June 2010, the mod_python project is officially dead. If you are considering using mod_python for a new installation, '''please don't'''! There are known issues which will not be fixed and there are now better alternatives. Check out the main TracInstall pages for your target version for more information. 10 }}} 11 12 13 These instructions are for Apache 2; if you are still using Apache 1.3, you may have some luck with [trac:wiki:TracModPython2.7 TracModPython2.7], but you'll be totally on your own. 14 15 [[PageOutline(2-3,Overview,inline)]] 16 17 == Simple configuration: single project == #Simpleconfiguration 9 18 10 19 If you just installed mod_python, you may have to add a line to load the module in the Apache configuration: … … 21 30 (Still on Debian) after you have installed mod_python, you must enable the modules in apache2 (equivalent of the above Load Module directive): 22 31 {{{ 23 a2enmod mod_python32 a2enmod python 24 33 }}} 25 34 On Fedora use, using yum: … … 34 43 PythonInterpreter main_interpreter 35 44 PythonHandler mod_python.testhandler 45 Order allow,deny 46 Allow from all 36 47 </Location> 37 48 }}} … … 46 57 PythonOption TracEnv /var/trac/myproject 47 58 PythonOption TracUriRoot /projects/myproject 59 Order allow,deny 60 Allow from all 48 61 </Location> 49 62 }}} … … 55 68 # For a single project 56 69 PythonOption TracEnv /var/trac/myproject 70 57 71 # For multiple projects 58 72 PythonOption TracEnvParentDir /var/trac/myprojects 73 59 74 # For the index of multiple projects 60 75 PythonOption TracEnvIndexTemplate /srv/www/htdocs/trac/project_list_template.html 76 61 77 # A space delimitted list, with a "," between key and value pairs. 62 78 PythonOption TracTemplateVars key1,val1 key2,val2 79 63 80 # Useful to get the date in the wanted order 64 81 PythonOption TracLocale en_GB.UTF8 82 65 83 # See description above 66 84 PythonOption TracUriRoot /projects/myproject … … 75 93 76 94 or you can uncompress the Genshi egg to resolve problems extracting from it. 95 77 96 === Configuring Authentication === 78 97 79 Creating password files and configuring authentication works similar to the process for [wiki:TracCgi#AddingAuthentication CGI]: 80 {{{ 81 #!xml 82 <Location /projects/myproject/login> 83 AuthType Basic 84 AuthName "myproject" 85 AuthUserFile /var/trac/myproject/.htpasswd 86 Require valid-user 87 </Location> 88 }}} 89 90 Configuration for mod_ldap authentication in Apache is a bit tricky (httpd 2.2.x and OpenLDAP: slapd 2.3.19) 91 92 1. You need to load the following modules in Apache httpd.conf 93 {{{ 94 LoadModule ldap_module modules/mod_ldap.so 95 LoadModule authnz_ldap_module modules/mod_authnz_ldap.so 96 }}} 97 98 2. Your httpd.conf also needs to look something like: 99 100 {{{ 101 #!xml 102 <Location /trac/> 103 SetHandler mod_python 104 PythonInterpreter main_interpreter 105 PythonHandler trac.web.modpython_frontend 106 PythonOption TracEnv /home/trac/ 107 PythonOption TracUriRoot /trac/ 108 Order deny,allow 109 Deny from all 110 Allow from 192.168.11.0/24 111 AuthType Basic 112 AuthName "Trac" 113 AuthBasicProvider "ldap" 114 AuthLDAPURL "ldap://127.0.0.1/dc=example,dc=co,dc=ke?uid?sub?(objectClass=inetOrgPerson)" 115 authzldapauthoritative Off 116 require valid-user 117 </Location> 118 }}} 119 120 Or the LDAP interface to a Microsoft Active Directory: 121 122 {{{ 123 #!xml 124 <Location /trac/> 125 SetHandler mod_python 126 PythonInterpreter main_interpreter 127 PythonHandler trac.web.modpython_frontend 128 PythonOption TracEnv /home/trac/ 129 PythonOption TracUriRoot /trac/ 130 Order deny,allow 131 Deny from all 132 Allow from 192.168.11.0/24 133 AuthType Basic 134 AuthName "Trac" 135 AuthBasicProvider "ldap" 136 AuthLDAPURL "ldap://adserver.company.com:3268/DC=company,DC=com?sAMAccountName?sub?(objectClass=user)" 137 AuthLDAPBindDN [email protected] 138 AuthLDAPBindPassword "the_password" 139 authzldapauthoritative Off 140 # require valid-user 141 require ldap-group CN=Trac Users,CN=Users,DC=company,DC=com 142 </Location> 143 }}} 144 145 Note 1: This is the case where the LDAP search will get around the multiple OUs, conecting to Global Catalog Server portion of AD (Notice the port is 3268, not the normal LDAP 389). The GCS is basically a "flattened" tree which allows searching for a user without knowing to which OU they belong. 146 147 Note 2: Active Directory requires an authenticating user/password to access records (AuthLDAPBindDN and AuthLDAPBindPassword). 148 149 Note 3: The directive "require ldap-group ..." specifies an AD group whose members are allowed access. 150 98 See corresponding section in the [wiki:TracModWSGI#ConfiguringAuthentication] page. 99 100 101 == Advanced Configuration 151 102 152 103 === Setting the Python Egg Cache === … … 178 129 Be careful about using the !PythonPath directive, and ''not'' `SetEnv PYTHONPATH`, as the latter won't work. 179 130 180 == Setting up multiple projects==131 === Setting up multiple projects === 181 132 182 133 The Trac mod_python handler supports a configuration option similar to Subversion's `SvnParentPath`, called `TracEnvParentDir`: … … 213 164 }}} 214 165 215 == Virtual Host Configuration==166 === Virtual Host Configuration === 216 167 217 168 Below is the sample configuration required to set up your trac as a virtual server (i.e. when you access it at the URLs like … … 261 212 For multiple projects, try restarting the server as well. 262 213 214 === Login Not Working === 215 If you've used `<Location />` directive, it will override any other directives, as well as `<Location /login>`. 216 The workaround is to use negation expression as follows (for multi project setups): 217 {{{ 218 #!xml 219 #this one for other pages 220 <Location ~ "/*(?!login)"> 221 SetHandler mod_python 222 PythonHandler trac.web.modpython_frontend 223 PythonOption TracEnvParentDir /projects 224 PythonOption TracUriRoot / 225 226 </Location> 227 #this one for login page 228 <Location ~ "/[^/]+/login"> 229 SetHandler mod_python 230 PythonHandler trac.web.modpython_frontend 231 PythonOption TracEnvParentDir /projects 232 PythonOption TracUriRoot / 233 234 #remove these if you don't want to force SSL 235 RewriteEngine On 236 RewriteCond %{HTTPS} off 237 RewriteRule (.*) https://%{HTTP_HOST}%{REQUEST_URI} 238 239 AuthType Basic 240 AuthName "Trac" 241 AuthUserFile /projects/.htpasswd 242 Require valid-user 243 </Location> 244 }}} 245 263 246 === Expat-related segmentation faults === #expat 264 247 … … 281 264 Using <Location /> together with `SetHandler` resulted in having everything handled by mod_python, which leads to not being able download any CSS or images/icons. I used <Location /trac> `SetHandler None` </Location> to circumvent the problem, though I do not know if this is the most elegant solution. 282 265 266 === Problem with zipped egg === 267 268 It's possible that your version of mod_python will not import modules from zipped eggs. If you encounter an `ImportError: No module named trac` in your Apache logs but you think everything is where it should be, this might be your problem. Look in your site-packages directory; if the Trac module appears as a ''file'' rather than a ''directory'', then this might be your problem. To rectify, try installing Trac using the `--always-unzip` option, like this: 269 270 {{{ 271 easy_install --always-unzip Trac-0.12b1.zip 272 }}} 273 283 274 === Using .htaccess === 284 275 … … 288 279 289 280 A success story: For me it worked out-of-box, with following trivial config: 290 {{{ 281 {{{#!xml 291 282 SetHandler mod_python 292 283 PythonInterpreter main_interpreter … … 313 304 }}} 314 305 315 316 === Win32 Issues===306 === Platform specific issues 307 ==== Win32 Issues ==== 317 308 If you run trac with mod_python < 3.2 on Windows, uploading attachments will '''not''' work. This problem is resolved in mod_python 3.1.4 or later, so please upgrade mod_python to fix this. 318 309 319 310 320 === OS X issues===311 ==== OS X issues ==== 321 312 322 313 When using mod_python on OS X you will not be able to restart Apache using `apachectl restart`. This is apparently fixed in mod_python 3.2, but there's also a patch available for earlier versions [http://www.dscpl.com.au/projects/vampire/patches.html here]. 323 314 324 === SELinux issues===315 ==== SELinux issues ==== 325 316 326 317 If Trac reports something like: ''Cannot get shared lock on db.lock'' … … 333 324 See also [http://subversion.tigris.org/faq.html#reposperms] 334 325 335 === FreeBSD issues===326 ==== FreeBSD issues ==== 336 327 Pay attention to the version of the installed mod_python and sqlite packages. Ports have both the new and old ones, but earlier versions of pysqlite and mod_python won't integrate as the former requires threaded support in python, and the latter requires a threadless install. 337 328 … … 342 333 export LD_PRELOAD=/usr/lib/libc_r.so 343 334 }}} 335 336 337 ==== Fedora 7 Issues ==== 338 Make sure you install the 'python-sqlite2' package as it seems to be required for TracModPython but not for tracd 339 344 340 345 341 === Subversion issues === … … 367 363 368 364 Note: For the above configuration to have any effect it must be put after the configuration of your project root location, i.e. {{{<Location /myproject />}}}. 365 366 Also, setting `PythonOptimize On` seems to mess up the page headers and footers, in addition to hiding the documentation for macros and plugins (see #Trac8956). Considering how little effect the option has, it is probably a good idea to leave it `Off`. 369 367 370 368 === HTTPS issues === … … 381 379 }}} 382 380 383 === Fedora 7 Issues ===384 Make sure you install the 'python-sqlite2' package as it seems to be required for TracModPython but not for tracd385 386 381 387 382 === Segmentation fault with php5-mhash or other php5 modules === … … 391 386 392 387 ---- 393 See also: TracGuide, TracInstall, [wiki:TracModWSGI ModWSGI], [wiki:TracFastCgi FastCGI], [wiki:TracModPython ModPython],[trac:TracNginxRecipe TracNginxRecipe]388 See also: TracGuide, TracInstall, [wiki:TracModWSGI ModWSGI], [wiki:TracFastCgi FastCGI], [trac:TracNginxRecipe TracNginxRecipe]
