mirror of
https://github.com/pgadmin-org/pgadmin4.git
synced 2024-12-23 15:40:45 -06:00
Refactor pgAdmin4.py so it can be imported and is a lot more readable. Fixes #5455
This commit is contained in:
Aditya Toshniwal
Dave Page
parent
370094274c
commit
059f1e38cc
@ -15,6 +15,7 @@ Housekeeping
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| `Issue #5443 <https://redmine.postgresql.org/issues/5443>`_ - Remove support for Python 2.
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| `Issue #5444 <https://redmine.postgresql.org/issues/5444>`_ - Cleanup Python detection in the runtime project file.
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| `Issue #5455 <https://redmine.postgresql.org/issues/5455>`_ - Refactor pgAdmin4.py so it can be imported and is a lot more readable.
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Bug fixes
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*********
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@ -85,7 +85,7 @@ setup(
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install_requires=requires,
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entry_points={
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'console_scripts': ['pgadmin4=pgadmin4.pgAdmin4.__init__:main'],
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'console_scripts': ['pgadmin4=pgadmin4.pgAdmin4:main'],
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},
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)
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184
web/pgAdmin4.py
184
web/pgAdmin4.py
@ -22,9 +22,8 @@ import os
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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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if sys.path[0] != os.path.dirname(os.path.realpath(__file__)):
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sys.path.insert(0, os.path.dirname(os.path.realpath(__file__)))
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# Grab the SERVER_MODE if it's been set by the runtime
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if 'SERVER_MODE' in globals():
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@ -32,38 +31,13 @@ if 'SERVER_MODE' in globals():
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else:
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builtins.SERVER_MODE = None
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# Set null device file path to stdout, stdin, stderr if they are None
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for _name in ('stdin', 'stdout', 'stderr'):
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if getattr(sys, _name) is None:
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setattr(sys, _name, open(os.devnull,
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'r' if _name == 'stdin' else 'w'))
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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 \
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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))),
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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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# Support reverse proxying
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@ -71,7 +45,7 @@ if not os.path.isfile(config.SQLITE_PATH):
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class ReverseProxied(object):
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def __init__(self, app):
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self.app = app
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# https://werkzeug.palletsprojects.com/en/0.15.x/middleware/proxy_fix/#module-werkzeug.middleware.proxy_fix
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# https://werkzeug.palletsprojects.com/en/0.15.x/middleware/proxy_fix
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try:
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from werkzeug.middleware.proxy_fix import ProxyFix
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self.app = ProxyFix(app,
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@ -98,72 +72,31 @@ class ReverseProxied(object):
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##########################################################################
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# Server startup
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# Sanity checks
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##########################################################################
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config.SETTINGS_SCHEMA_VERSION = SCHEMA_VERSION
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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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# 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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setup_py = os.path.join(
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os.path.dirname(os.path.realpath(u(__file__, fs_encoding))),
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u'setup.py'
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)
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exec(open(file_quote(setup_py), 'r').read())
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# Create the app!
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##########################################################################
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# Create the app and configure it. It is created outside main so that
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# it can be imported
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##########################################################################
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app = create_app()
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app.debug = False
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if config.SERVER_MODE:
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app.wsgi_app = ReverseProxied(app.wsgi_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 and javascriptBundler.report() == JsState.NONE:
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app.logger.error(
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"Unable to generate javascript.\n"
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"To run the app ensure that yarn install command runs successfully"
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)
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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_INT_PORT' in globals():
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app.logger.debug(
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'Running under the desktop runtime, port: %s',
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globals()['PGADMIN_INT_PORT']
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)
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server_port = int(globals()['PGADMIN_INT_PORT'])
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PGADMIN_RUNTIME = True
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elif 'PGADMIN_INT_PORT' in os.environ:
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port = os.environ['PGADMIN_INT_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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)
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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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)
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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_INT_KEY' in globals():
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app.PGADMIN_INT_KEY = globals()['PGADMIN_INT_KEY']
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app.logger.debug("Desktop security key: %s" % app.PGADMIN_INT_KEY)
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else:
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app.PGADMIN_INT_KEY = ''
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# Authentication sources
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app.PGADMIN_DEFAULT_AUTH_SOURCE = 'internal'
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app.PGADMIN_SUPPORTED_AUTH_SOURCE = ['internal', 'ldap']
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if len(config.AUTHENTICATION_SOURCES) > 0:
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app.PGADMIN_EXTERNAL_AUTH_SOURCE = config.AUTHENTICATION_SOURCES[0]
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else:
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@ -172,13 +105,73 @@ else:
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app.logger.debug(
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"Authentication Source: %s" % app.PGADMIN_DEFAULT_AUTH_SOURCE)
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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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# 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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app.PGADMIN_RUNTIME = False
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config.EFFECTIVE_SERVER_PORT = None
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if 'PGADMIN_INT_PORT' in globals():
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app.logger.debug(
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'Running under the desktop runtime, port: %s',
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globals()['PGADMIN_INT_PORT']
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)
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config.EFFECTIVE_SERVER_PORT = int(globals()['PGADMIN_INT_PORT'])
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app.PGADMIN_RUNTIME = True
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elif 'PGADMIN_INT_PORT' in os.environ:
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port = os.environ['PGADMIN_INT_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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)
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config.EFFECTIVE_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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)
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config.EFFECTIVE_SERVER_PORT = config.DEFAULT_SERVER_PORT
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# Set the key if appropriate
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if 'PGADMIN_INT_KEY' in globals():
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app.PGADMIN_INT_KEY = globals()['PGADMIN_INT_KEY']
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app.logger.debug("Desktop security key: %s" % app.PGADMIN_INT_KEY)
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else:
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app.PGADMIN_INT_KEY = ''
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##########################################################################
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# The entry point
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##########################################################################
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def main():
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# Set null device file path to stdout, stdin, stderr if they are None
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for _name in ('stdin', 'stdout', 'stderr'):
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if getattr(sys, _name) is None:
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setattr(sys, _name,
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open(os.devnull, 'r' if _name == 'stdin' else 'w'))
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# Build Javascript files when DEBUG
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if config.DEBUG:
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from pgadmin.utils.javascript.javascript_bundler import \
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JavascriptBundler, JsState
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app.debug = True
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javascriptBundler = JavascriptBundler()
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javascriptBundler.bundle()
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if javascriptBundler.report() == JsState.NONE:
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app.logger.error(
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"Unable to generate javascript.\n"
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"To run the app ensure that yarn install command runs "
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"successfully"
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)
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raise Exception("No generated javascript, aborting")
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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 not app.PGADMIN_RUNTIME:
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print(
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"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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(config.APP_NAME, config.DEFAULT_SERVER,
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config.EFFECTIVE_SERVER_PORT)
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)
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sys.stdout.flush()
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else:
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@ -204,9 +197,9 @@ if __name__ == '__main__':
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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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port=config.EFFECTIVE_SERVER_PORT,
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use_reloader=(
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(not PGADMIN_RUNTIME) and app.debug and
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(not app.PGADMIN_RUNTIME) and app.debug and
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os.environ.get("WERKZEUG_RUN_MAIN") is not None
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),
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threaded=config.THREADED_MODE
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@ -214,3 +207,10 @@ if __name__ == '__main__':
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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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##########################################################################
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# Server startup
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##########################################################################
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if __name__ == '__main__':
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main()
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