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52 lines
1.8 KiB
52 lines
1.8 KiB
""" Global definitions. """
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import threading
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from flask import request
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from asl_rulebook2.webapp import app
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from asl_rulebook2.webapp.config.constants import APP_NAME, APP_VERSION
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cleanup_handlers = []
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socketio_server = None
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# ---------------------------------------------------------------------
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_init_lock = threading.Lock()
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_init_done = False
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def on_request():
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"""Called before each request."""
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if request.path == "/control-tests":
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# NOTE: The test suite calls $/control-tests to find out which port the gRPC test control service
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# is running on, which is nice since we don't need to configure both ends with a predefined port.
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# However, we don't want this call to trigger initialization, since the tests will often want to
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# configure the remote webapp before loading the main page.
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return
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if request.path == "/ping":
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# NOTE: The test suite pings the server to detect when it's up.
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return
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with _init_lock:
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global _init_done
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if not _init_done or (request.path == "/" and request.args.get("reload")):
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try:
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from asl_rulebook2.webapp.startup import init_webapp
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init_webapp()
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finally:
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# NOTE: It's important to set this, even if initialization failed, so we don't
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# try to initialize again.
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_init_done = True
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# ---------------------------------------------------------------------
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@app.context_processor
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def inject_template_params():
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"""Inject template parameters into Jinja2."""
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web_debug = app.config.get( "WEB_DEBUG" )
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return {
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"APP_NAME": APP_NAME,
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"APP_VERSION": APP_VERSION,
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"WEB_DEBUG": web_debug,
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"WEB_DEBUG_MIN": "" if web_debug else ".min",
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}
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