mirror of
https://github.com/pgadmin-org/pgadmin4.git
synced 2024-11-25 18:20:20 -06:00
131 lines
4.6 KiB
Python
131 lines
4.6 KiB
Python
##########################################################################
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#
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# pgAdmin 4 - PostgreSQL Tools
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#
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# Copyright (C) 2013 - 2017, The pgAdmin Development Team
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# This software is released under the PostgreSQL Licence
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#
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##########################################################################
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"""This is the main application entry point for pgAdmin 4. If running on
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a webserver, this will provide the WSGI interface, otherwise, we're going
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to start a web server."""
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import os
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import sys
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# We need to include the root directory in sys.path to ensure that we can
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# find everything we need when running in the standalone runtime.
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root = os.path.dirname(os.path.realpath(__file__))
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if sys.path[0] != root:
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sys.path.insert(0, root)
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import config
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from pgadmin import create_app
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from pgadmin.utils import u, fs_encoding, file_quote
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if config.DEBUG:
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from pgadmin.utils.javascript.javascript_bundler import JavascriptBundler, JsState
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# Get the config database schema version. We store this in pgadmin.model
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# as it turns out that putting it in the config files isn't a great idea
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from pgadmin.model import SCHEMA_VERSION
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config.SETTINGS_SCHEMA_VERSION = SCHEMA_VERSION
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##########################################################################
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# Sanity checks
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##########################################################################
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# Check if the database exists. If it does not, create it.
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if not os.path.isfile(config.SQLITE_PATH):
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setupfile = os.path.join(
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os.path.dirname(os.path.realpath(u(__file__, fs_encoding))), u'setup.py'
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)
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exec(open(file_quote(setupfile), 'r').read())
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##########################################################################
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# Server startup
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##########################################################################
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# Build Javascript files
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if config.DEBUG:
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javascriptBundler = JavascriptBundler()
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javascriptBundler.bundle()
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# Create the app!
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app = create_app()
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if config.DEBUG:
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app.debug = True
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else:
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app.debug = False
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# respond to JS
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if config.DEBUG:
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if javascriptBundler.report() == JsState.NONE:
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app.logger.error("Unable to generate javascript")
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app.logger.error("To run the app ensure that yarn install command runs successfully")
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raise Exception("No generated javascript, aborting")
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# Start the web server. The port number should have already been set by the
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# runtime if we're running in desktop mode, otherwise we'll just use the
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# Flask default.
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PGADMIN_RUNTIME = False
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if 'PGADMIN_PORT' in globals():
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app.logger.debug('Running under the desktop runtime, port: %s',
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globals()['PGADMIN_PORT'])
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server_port = int(globals()['PGADMIN_PORT'])
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PGADMIN_RUNTIME = True
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elif 'PGADMIN_PORT' in os.environ:
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port = os.environ['PGADMIN_PORT']
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app.logger.debug(
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'Not running under the desktop runtime, port: %s',
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port)
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server_port = int(port)
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else:
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app.logger.debug(
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'Not running under the desktop runtime, port: %s',
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config.DEFAULT_SERVER_PORT)
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server_port = config.DEFAULT_SERVER_PORT
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# Let the application save the status about the runtime for using it later.
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app.PGADMIN_RUNTIME = PGADMIN_RUNTIME
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# Set the key if appropriate
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if 'PGADMIN_KEY' in globals():
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app.PGADMIN_KEY = globals()['PGADMIN_KEY']
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app.logger.debug("Desktop security key: %s" % app.PGADMIN_KEY)
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else:
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app.PGADMIN_KEY = ''
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# Output a startup message if we're not under the runtime and startup.
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# If we're under WSGI, we don't need to worry about this
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if __name__ == '__main__':
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if not PGADMIN_RUNTIME:
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print("Starting %s. Please navigate to http://%s:%d in your browser." %
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(config.APP_NAME, config.DEFAULT_SERVER, server_port))
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sys.stdout.flush()
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else:
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# For unknown reason the Qt runtime does not pass the environment
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# variables (i.e. PYTHONHOME, and PYTHONPATH), to the Python
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# sub-processes, leading to failures executing background processes.
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#
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# This has been observed only on windows. On *nix systems, it is likely
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# picking the system python environment, which is good enough to run
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# the process-executor.
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#
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# Setting PYTHONHOME launch them properly.
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from pgadmin.utils import IS_WIN
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if IS_WIN:
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os.environ['PYTHONHOME'] = sys.prefix
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try:
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app.run(
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host=config.DEFAULT_SERVER,
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port=server_port,
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use_reloader=((not PGADMIN_RUNTIME) and app.debug),
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threaded=config.THREADED_MODE
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)
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except IOError:
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app.logger.error("Error starting the app server: %s", sys.exc_info())
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