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# An example WSGI script for IIS/isapi-wsgi to export multiple hgweb repos
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# Copyright 2010-2016 Sune Foldager <cyano@me.com>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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#
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# Requirements:
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# - Python 2.7, preferably 64 bit
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# - Mercurial installed from source (python setup.py install) or download the
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# python module installer from https://www.mercurial-scm.org/wiki/Download
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# - IIS 7 or newer
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#
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#
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# Installation and use:
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#
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# - Download or clone the isapi-wsgi source and run python setup.py install.
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# https://github.com/hexdump42/isapi-wsgi
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#
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# - Create a directory to hold the shim dll, config files etc. This can reside
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# inside the standard IIS directory, C:\inetpub, or anywhere else. Copy this
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# script there.
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#
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# - Run this script (i.e. python hgwebdir_wsgi.py) to get a shim dll. The
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# shim is identical for all scripts, so you can just copy and rename one
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# from an earlier run, if you wish. The shim needs to reside in the same
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# directory as this script.
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#
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# - Start IIS manager and create a new app pool:
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# .NET CLR Version: No Managed Code
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# Advanced Settings: Enable 32 Bit Applications, if using 32 bit Python.
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# You can adjust the identity and maximum worker processes if you wish. This
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# setup works fine with multiple worker processes.
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#
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# - Create an IIS application where your hgwebdir is to be served from.
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# Assign it the app pool you just created and point its physical path to the
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# directory you created.
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#
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# - In the application, remove all handler mappings and setup a wildcard script
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# handler mapping of type IsapiModule with the shim dll as its executable.
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# This file MUST reside in the same directory as the shim. The easiest way
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# to do all this is to close IIS manager, place a web.config file in your
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# directory and start IIS manager again. The file should contain:
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#
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# <?xml version="1.0" encoding="UTF-8"?>
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# <configuration>
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# <system.webServer>
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# <handlers accessPolicy="Read, Script">
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# <clear />
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# <add name="hgwebdir" path="*" verb="*" modules="IsapiModule"
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# scriptProcessor="C:\your\directory\_hgwebdir_wsgi.dll"
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# resourceType="Unspecified" requireAccess="None"
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# preCondition="bitness64" />
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# </handlers>
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# </system.webServer>
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# </configuration>
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#
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# Where "bitness64" should be replaced with "bitness32" for 32 bit Python.
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#
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# - Edit ISAPI And CGI Restrictions on the web server (global setting). Add a
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# restriction pointing to your shim dll and allow it to run.
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#
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# - Create a configuration file in your directory and adjust the configuration
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# variables below to match your needs. Example configuration:
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#
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# [web]
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# style = gitweb
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# push_ssl = false
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# allow_push = *
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# encoding = utf8
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#
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# [server]
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# validate = true
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#
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# [paths]
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# repo1 = c:\your\directory\repo1
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# repo2 = c:\your\directory\repo2
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#
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# - Restart the web server and see if things are running.
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#
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# Configuration file location
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hgweb_config = r'c:\your\directory\wsgi.config'
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# Global settings for IIS path translation
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path_strip = 0 # Strip this many path elements off (when using url rewrite)
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path_prefix = 1 # This many path elements are prefixes (depends on the
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# virtual path of the IIS application).
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import sys
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# Adjust python path if this is not a system-wide install
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# sys.path.insert(0, r'C:\your\custom\hg\build\lib.win32-2.7')
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# Enable tracing. Run 'python -m win32traceutil' to debug
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if getattr(sys, 'isapidllhandle', None) is not None:
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import win32traceutil
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win32traceutil.SetupForPrint # silence unused import warning
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import isapi_wsgi
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from mercurial.hgweb.hgwebdir_mod import hgwebdir
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# Example tweak: Replace isapi_wsgi's handler to provide better error message
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# Other stuff could also be done here, like logging errors etc.
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class WsgiHandler(isapi_wsgi.IsapiWsgiHandler):
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error_status = '500 Internal Server Error' # less silly error message
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isapi_wsgi.IsapiWsgiHandler = WsgiHandler
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# Only create the hgwebdir instance once
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application = hgwebdir(hgweb_config)
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def handler(environ, start_response):
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# Translate IIS's weird URLs
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url = environ['SCRIPT_NAME'] + environ['PATH_INFO']
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paths = url[1:].split('/')[path_strip:]
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script_name = '/' + '/'.join(paths[:path_prefix])
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path_info = '/'.join(paths[path_prefix:])
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if path_info:
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path_info = '/' + path_info
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environ['SCRIPT_NAME'] = script_name
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environ['PATH_INFO'] = path_info
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return application(environ, start_response)
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def __ExtensionFactory__():
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return isapi_wsgi.ISAPISimpleHandler(handler)
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if __name__ == '__main__':
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from isapi.install import ISAPIParameters, HandleCommandLine
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params = ISAPIParameters()
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HandleCommandLine(params)
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