Ejemplo n.º 1
0
def make_app(global_conf, full_stack=True, static_files=True, **app_conf):
    """Create a Pylons WSGI application and return it

    ``global_conf``
        The inherited configuration for this application. Normally from
        the [DEFAULT] section of the Paste ini file.

    ``full_stack``
        Whether this application provides a full WSGI stack (by default,
        meaning it handles its own exceptions and errors). Disable
        full_stack when this application is "managed" by another WSGI
        middleware.

    ``static_files``
        Whether this application serves its own static files; disable
        when another web server is responsible for serving them.

    ``app_conf``
        The application's local configuration. Normally specified in
        the [app:<name>] section of the Paste ini file (where <name>
        defaults to main).

    """
    # Configure the Pylons environment
    config = load_environment(global_conf, app_conf)
    alembic_migrations = MediaCoreMigrator.from_config(config, log=log)
    if alembic_migrations.is_db_scheme_current():
        events.Environment.database_ready()
    else:
        log.warn(
            'Running with an outdated database scheme. Please upgrade your database.'
        )
    plugin_mgr = config['pylons.app_globals'].plugin_mgr

    # The Pylons WSGI app
    app = PylonsApp(config=config)

    # Allow the plugin manager to tweak our WSGI app
    app = plugin_mgr.wrap_pylons_app(app)

    # Routing/Session/Cache Middleware
    app = RoutesMiddleware(app, config['routes.map'], singleton=False)
    app = SessionMiddleware(app, config)

    # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)

    # add repoze.who middleware with our own authorization library
    app = add_auth(app, config)

    # ToscaWidgets Middleware
    app = setup_tw_middleware(app, config)

    # Strip the name of the .fcgi script, if using one, from the SCRIPT_NAME
    app = FastCGIScriptStripperMiddleware(app)

    # If enabled, set up the proxy prefix for routing behind
    # fastcgi and mod_proxy based deployments.
    if config.get('proxy_prefix', None):
        app = setup_prefix_middleware(app, global_conf, config['proxy_prefix'])

    # END CUSTOM MIDDLEWARE

    if asbool(full_stack):
        # Handle Python exceptions
        app = ErrorHandler(app, global_conf, **config['pylons.errorware'])

        # by default Apache uses  a global alias for "/error" in the httpd.conf
        # which means that users can not send error reports through MediaCore's
        # error page (because that POSTs to /error/report).
        # To make things worse Apache (at least up to 2.4) has no "unalias"
        # functionality. So we work around the issue by using the "/errors"
        # prefix (extra "s" at the end)
        error_path = '/errors/document'
        # Display error documents for 401, 403, 404 status codes (and
        # 500 when debug is disabled)
        if asbool(config['debug']):
            app = StatusCodeRedirect(app, path=error_path)
        else:
            app = StatusCodeRedirect(app,
                                     errors=(400, 401, 403, 404, 500),
                                     path=error_path)

    # Cleanup the DBSession only after errors are handled
    app = DBSessionRemoverMiddleware(app)

    # Establish the Registry for this application
    app = RegistryManager(app)

    app = setup_db_sanity_checks(app, config)

    if asbool(static_files):
        # Serve static files from our public directory
        public_app = StaticURLParser(config['pylons.paths']['static_files'])

        static_urlmap = URLMap()
        # Serve static files from all plugins
        for dir, path in plugin_mgr.public_paths().iteritems():
            static_urlmap[dir] = StaticURLParser(path)

        # Serve static media and podcast images from outside our public directory
        for image_type in ('media', 'podcasts'):
            dir = '/images/' + image_type
            path = os.path.join(config['image_dir'], image_type)
            static_urlmap[dir] = StaticURLParser(path)

        # Serve appearance directory outside of public as well
        dir = '/appearance'
        path = os.path.join(config['app_conf']['cache_dir'], 'appearance')
        static_urlmap[dir] = StaticURLParser(path)

        # We want to serve goog closure code for debugging uncompiled js.
        if config['debug']:
            goog_path = os.path.join(config['pylons.paths']['root'], '..',
                                     'closure-library', 'closure', 'goog')
            if os.path.exists(goog_path):
                static_urlmap['/scripts/goog'] = StaticURLParser(goog_path)

        app = Cascade([public_app, static_urlmap, app])

    if asbool(config.get('enable_gzip', 'true')):
        app = setup_gzip_middleware(app, global_conf)

    app.config = config
    return app
Ejemplo n.º 2
0
def make_app(global_conf, full_stack=True, static_files=True, **app_conf):
    """Create a Pylons WSGI application and return it

    ``global_conf``
        The inherited configuration for this application. Normally from
        the [DEFAULT] section of the Paste ini file.

    ``full_stack``
        Whether this application provides a full WSGI stack (by default,
        meaning it handles its own exceptions and errors). Disable
        full_stack when this application is "managed" by another WSGI
        middleware.

    ``static_files``
        Whether this application serves its own static files; disable
        when another web server is responsible for serving them.

    ``app_conf``
        The application's local configuration. Normally specified in
        the [app:<name>] section of the Paste ini file (where <name>
        defaults to main).

    """
    # Configure the Pylons environment
    config = load_environment(global_conf, app_conf)
    alembic_migrations = MediaCoreMigrator.from_config(config, log=log)
    if alembic_migrations.is_db_scheme_current():
        events.Environment.database_ready()
    else:
        log.warn('Running with an outdated database scheme. Please upgrade your database.')
    plugin_mgr = config['pylons.app_globals'].plugin_mgr

    # The Pylons WSGI app
    app = PylonsApp(config=config)

    # Allow the plugin manager to tweak our WSGI app
    app = plugin_mgr.wrap_pylons_app(app)

    # Routing/Session/Cache Middleware
    app = RoutesMiddleware(app, config['routes.map'], singleton=False)
    app = SessionMiddleware(app, config)

    # CUSTOM MIDDLEWARE HERE (filtered by error handling middlewares)

    # add repoze.who middleware with our own authorization library
    app = add_auth(app, config)

    # ToscaWidgets Middleware
    app = setup_tw_middleware(app, config)

    # Strip the name of the .fcgi script, if using one, from the SCRIPT_NAME
    app = FastCGIScriptStripperMiddleware(app)

    # If enabled, set up the proxy prefix for routing behind
    # fastcgi and mod_proxy based deployments.
    if config.get('proxy_prefix', None):
        app = setup_prefix_middleware(app, global_conf, config['proxy_prefix'])

    # END CUSTOM MIDDLEWARE

    if asbool(full_stack):
        # Handle Python exceptions
        app = ErrorHandler(app, global_conf, **config['pylons.errorware'])

        # by default Apache uses  a global alias for "/error" in the httpd.conf
        # which means that users can not send error reports through MediaCore's
        # error page (because that POSTs to /error/report).
        # To make things worse Apache (at least up to 2.4) has no "unalias"
        # functionality. So we work around the issue by using the "/errors"
        # prefix (extra "s" at the end)
        error_path = '/errors/document'
        # Display error documents for 401, 403, 404 status codes (and
        # 500 when debug is disabled)
        if asbool(config['debug']):
            app = StatusCodeRedirect(app, path=error_path)
        else:
            app = StatusCodeRedirect(app, errors=(400, 401, 403, 404, 500),
                                     path=error_path)

    # Cleanup the DBSession only after errors are handled
    app = DBSessionRemoverMiddleware(app)

    # Establish the Registry for this application
    app = RegistryManager(app)

    app = setup_db_sanity_checks(app, config)

    if asbool(static_files):
        # Serve static files from our public directory
        public_app = StaticURLParser(config['pylons.paths']['static_files'])

        static_urlmap = URLMap()
        # Serve static files from all plugins
        for dir, path in plugin_mgr.public_paths().iteritems():
            static_urlmap[dir] = StaticURLParser(path)

        # Serve static media and podcast images from outside our public directory
        for image_type in ('media', 'podcasts'):
            dir = '/images/' + image_type
            path = os.path.join(config['image_dir'], image_type)
            static_urlmap[dir] = StaticURLParser(path)

        # Serve appearance directory outside of public as well
        dir = '/appearance'
        path = os.path.join(config['app_conf']['cache_dir'], 'appearance')
        static_urlmap[dir] = StaticURLParser(path)

        # We want to serve goog closure code for debugging uncompiled js.
        if config['debug']:
            goog_path = os.path.join(config['pylons.paths']['root'], '..',
                'closure-library', 'closure', 'goog')
            if os.path.exists(goog_path):
                static_urlmap['/scripts/goog'] = StaticURLParser(goog_path)

        app = Cascade([public_app, static_urlmap, app])

    if asbool(config.get('enable_gzip', 'true')):
        app = setup_gzip_middleware(app, global_conf)

    app.config = config
    return app
Ejemplo n.º 3
0
def setup_app(command, conf, vars):
    """Called by ``paster setup-app``.

    This script is responsible for:

        * Creating the initial database schema and loading default data.
        * Executing any migrations necessary to bring an existing database
          up-to-date. Your data should be safe but, as always, be sure to
          make backups before using this.
        * Re-creating the default database for every run of the test suite.

    XXX: All your data will be lost IF you run the test suite with a
         config file named 'test.ini'. Make sure you have this configured
         to a different database than in your usual deployment.ini or
         development.ini file because all database tables are dropped a
         and recreated every time this script runs.

    XXX: If you are upgrading from MediaCore v0.7.2 or v0.8.0, run whichever
         one of these that applies:
           ``python batch-scripts/upgrade/upgrade_from_v072.py deployment.ini``
           ``python batch-scripts/upgrade/upgrade_from_v080.py deployment.ini``

    XXX: For search to work, we depend on a number of MySQL triggers which
         copy the data from our InnoDB tables to a MyISAM table for its
         fulltext indexing capability. Triggers can only be installed with
         a mysql superuser like root, so you must run the setup_triggers.sql
         script yourself.

    """
    config = load_environment(conf.global_conf, conf.local_conf)
    plugin_manager = config["pylons.app_globals"].plugin_mgr
    mediacore_migrator = MediaCoreMigrator.from_config(conf, log=log)

    engine = metadata.bind
    db_connection = engine.connect()
    # simplistic check to see if MediaCore tables are present, just check for
    # the media_files table and assume that all other tables are there as well
    from mediacore.model.media import media_files

    mediacore_tables_exist = engine.dialect.has_table(db_connection, media_files.name)

    run_migrations = True
    if not mediacore_tables_exist:
        head_revision = mediacore_migrator.head_revision()
        log.info("Initializing new database with version %r" % head_revision)
        metadata.create_all(bind=DBSession.bind, checkfirst=True)
        mediacore_migrator.init_db(revision=head_revision)
        run_migrations = False
        add_default_data()
        for migrator in plugin_manager.migrators():
            migrator.init_db()
        events.Environment.database_initialized()
    elif not mediacore_migrator.migrate_table_exists():
        log.error(
            "No migration table found, probably your MediaCore install "
            "is too old (< 0.9?). Please upgrade to MediaCore CE 0.9 first."
        )
        raise AssertionError("no migration table found")
    elif not mediacore_migrator.alembic_table_exists():
        alembic_revision = mediacore_migrator.map_migrate_version()
        mediacore_migrator.stamp(alembic_revision)
    if run_migrations:
        mediacore_migrator.migrate_db()
        for migrator in plugin_manager.migrators():
            migrator.migrate_db()
        events.Environment.database_migrated()

    cleanup_players_table(enabled=True)

    # Save everything, along with the dummy data if applicable
    DBSession.commit()
    events.Environment.database_ready()

    log.info("Generating appearance.css from your current settings")
    settings = DBSession.query(Setting.key, Setting.value)
    generate_appearance_css(settings, cache_dir=conf["cache_dir"])

    log.info("Successfully setup")
Ejemplo n.º 4
0
def setup_app(command, conf, vars):
    """Called by ``paster setup-app``.

    This script is responsible for:

        * Creating the initial database schema and loading default data.
        * Executing any migrations necessary to bring an existing database
          up-to-date. Your data should be safe but, as always, be sure to
          make backups before using this.
        * Re-creating the default database for every run of the test suite.

    XXX: All your data will be lost IF you run the test suite with a
         config file named 'test.ini'. Make sure you have this configured
         to a different database than in your usual deployment.ini or
         development.ini file because all database tables are dropped a
         and recreated every time this script runs.

    XXX: If you are upgrading from MediaCore v0.7.2 or v0.8.0, run whichever
         one of these that applies:
           ``python batch-scripts/upgrade/upgrade_from_v072.py deployment.ini``
           ``python batch-scripts/upgrade/upgrade_from_v080.py deployment.ini``

    XXX: For search to work, we depend on a number of MySQL triggers which
         copy the data from our InnoDB tables to a MyISAM table for its
         fulltext indexing capability. Triggers can only be installed with
         a mysql superuser like root, so you must run the setup_triggers.sql
         script yourself.

    """
    config = load_environment(conf.global_conf, conf.local_conf)
    plugin_manager = config['pylons.app_globals'].plugin_mgr
    mediacore_migrator = MediaCoreMigrator.from_config(conf, log=log)
    
    engine = metadata.bind
    db_connection = engine.connect()
    # simplistic check to see if MediaCore tables are present, just check for
    # the media_files table and assume that all other tables are there as well
    from mediacore.model.media import media_files
    mediacore_tables_exist = engine.dialect.has_table(db_connection, media_files.name)
    
    run_migrations = True
    if not mediacore_tables_exist:
        head_revision = mediacore_migrator.head_revision()
        log.info('Initializing new database with version %r' % head_revision)
        metadata.create_all(bind=DBSession.bind, checkfirst=True)
        mediacore_migrator.init_db(revision=head_revision)
        run_migrations = False
        add_default_data()
        for migrator in plugin_manager.migrators():
            migrator.init_db()
        events.Environment.database_initialized()
    elif not mediacore_migrator.migrate_table_exists():
        log.error('No migration table found, probably your MediaCore install '
            'is too old (< 0.9?). Please upgrade to MediaCore CE 0.9 first.')
        raise AssertionError('no migration table found')
    elif not mediacore_migrator.alembic_table_exists():
        alembic_revision = mediacore_migrator.map_migrate_version()
        mediacore_migrator.stamp(alembic_revision)
    if run_migrations:
        mediacore_migrator.migrate_db()
        for migrator in plugin_manager.migrators():
            migrator.migrate_db()
        events.Environment.database_migrated()
    
    cleanup_players_table(enabled=True)
    
    # Save everything, along with the dummy data if applicable
    DBSession.commit()
    events.Environment.database_ready()

    log.info('Generating appearance.css from your current settings')
    settings = DBSession.query(Setting.key, Setting.value)
    generate_appearance_css(settings, cache_dir=conf['cache_dir'])

    log.info('Successfully setup')