def create_app(app_name=None, instance_path=None, static_path=None,
static_folder=None, **config):
"""Returns a :class:`Flask` application instance configured with common
functionality for the AdsWS platform.
:param app_name: application package name
:param instance_path: application package path
:param static_path: flask.Flask static_path kwarg
:param static_folder: flask.Flask static_folder kwarg
:param config: a dictionary of settings to override
"""
# Flask application name
app_name = app_name or '.'.join(__name__.split('.')[0:-1])
# Force instance folder to always be located one level above adsws
instance_path = instance_path or os.path.realpath(os.path.join(
os.path.dirname(__file__), '../instance'
))
# Create instance path
try:
if not os.path.exists(instance_path):
os.makedirs(instance_path)
except:
pass
app = ADSFlask(
app_name,
instance_path=instance_path,
instance_relative_config=False,
static_path=static_path,
static_folder=static_folder,
local_config=config or {}
)
# Handle both URLs with and without trailing slashes by Flask.
app.url_map.strict_slashes = False
load_config(app, config)
# Ensure SECRET_KEY has a value in the application configuration
register_secret_key(app)
# ====================
# Application assembly
# ====================
# Initialize application registry, used for discovery and loading of
# configuration, extensions and Invenio packages
Registry(app=app)
app.extensions['registry'].update(
# Register packages listed in config
packages=PackageRegistry(app))
app.extensions['registry'].update(
# Register extensions listed in config
extensions=ExtensionRegistry(app),
# Register blueprints
blueprints=BlueprintAutoDiscoveryRegistry(app=app),
)
# Extend application config with configuration from packages (app config
# takes precedence)
ConfigurationRegistry(app)
configure_a_more_verbose_log_exception(app)
app.wsgi_app = HTTPMethodOverrideMiddleware(app.wsgi_app)
app.before_request(set_translations)
app.before_request(make_session_permanent)
if app.config.get('PRODUCTION', False):
app.wsgi_app = ProxyFix(
app.wsgi_app,
num_proxies=app.config.get('NUM_PROXIES', 2)
)
if app.config.get('HTTPS_ONLY', False):
# Contains the x-forwarded-proto in the criteria already
# only works if app.debug=False
# permanent=True responds with 302 instead of 301
SSLify(app, permanent=True)
# Register custom error handlers
if not app.config.get('DEBUG'):
app.errorhandler(404)(on_404)
app.errorhandler(401)(on_401)
app.errorhandler(429)(on_429)
app.errorhandler(405)(on_405)
@oauth2.after_request
def set_adsws_uid_header(valid, oauth):
"""
If the user is authenticated, inject the header "X-adsws-uid" into
the incoming request header
"""
if current_user.is_authenticated():
h = Headers(request.headers.items())
h.add_header("X-Adsws-Uid", current_user.id)
if current_user.ratelimit_level is not None:
h.add_header(
"X-Adsws-Ratelimit-Level",
current_user.ratelimit_level
)
request.headers = h
return valid, oauth
return app
def create_app(app_name=None,
instance_path=None,
static_path=None,
static_folder=None,
**config):
"""Returns a :class:`Flask` application instance configured with common
functionality for the AdsWS platform.
:param app_name: application package name
:param instance_path: application package path
:param static_path: flask.Flask static_path kwarg
:param static_folder: flask.Flask static_folder kwarg
:param config: a dictionary of settings to override
"""
# Flask application name
app_name = app_name or '.'.join(__name__.split('.')[0:-1])
# Force instance folder to always be located one level above adsws
instance_path = instance_path or os.path.realpath(
os.path.join(os.path.dirname(__file__), '../instance'))
# Create instance path
try:
if not os.path.exists(instance_path):
os.makedirs(instance_path)
except:
pass
app = ADSFlask(app_name,
instance_path=instance_path,
instance_relative_config=False,
static_path=static_path,
static_folder=static_folder,
local_config=config or {})
# Handle both URLs with and without trailing slashes by Flask.
app.url_map.strict_slashes = False
load_config(app, config)
# Ensure SECRET_KEY has a value in the application configuration
register_secret_key(app)
# ====================
# Application assembly
# ====================
# Initialize application registry, used for discovery and loading of
# configuration, extensions and Invenio packages
Registry(app=app)
app.extensions['registry'].update(
# Register packages listed in config
packages=PackageRegistry(app))
app.extensions['registry'].update(
# Register extensions listed in config
extensions=ExtensionRegistry(app),
# Register blueprints
blueprints=BlueprintAutoDiscoveryRegistry(app=app),
)
# Extend application config with configuration from packages (app config
# takes precedence)
ConfigurationRegistry(app)
configure_a_more_verbose_log_exception(app)
app.wsgi_app = HTTPMethodOverrideMiddleware(app.wsgi_app)
app.before_request(set_translations)
app.before_request(make_session_permanent)
app.before_request(cache_data_stream)
if app.config.get('PRODUCTION', False):
app.wsgi_app = ProxyFix(app.wsgi_app,
num_proxies=app.config.get('NUM_PROXIES', 2))
if app.config.get('HTTPS_ONLY', False):
# Contains the x-forwarded-proto in the criteria already
# only works if app.debug=False
# permanent=True responds with 302 instead of 301
SSLify(app, permanent=True)
# Register custom error handlers
if not app.config.get('DEBUG'):
app.errorhandler(404)(on_404)
app.errorhandler(401)(on_401)
app.errorhandler(429)(on_429)
app.errorhandler(405)(on_405)
@oauth2.after_request
def set_adsws_uid_header(valid, oauth):
"""
If the user is authenticated, inject the header "X-adsws-uid" into
the incoming request header
"""
h = Headers(request.headers.items())
if current_user.is_authenticated():
h.add_header("X-Adsws-Uid", current_user.id)
if valid:
level = oauth.client.ratelimit
if level is None:
level = 1.0
h.add_header("X-Adsws-Ratelimit-Level", level)
else:
h.add_header("X-Adsws-Ratelimit-Level", 0.0)
request.headers = h
return valid, oauth
@app.teardown_request
def teardown_request(exception=None):
"""This function will close active transaction, if there is one
but only if the session is not dirty - we don't want to do any
magic (instead of a developer)
use expire_on_commit=False doesn't have the same effect
http://docs.sqlalchemy.org/en/latest/orm/session_api.html#sqlalchemy.orm.session.Session.commit
The problems we are facing is that a new transaction gets opened
when session is committed; consequent access to the ORM objects
opens a new transaction (which never gets closed and is rolled back)
"""
a = current_app
if 'sqlalchemy' in a.extensions: # could use self.db but let's be very careful
sa = a.extensions['sqlalchemy']
if hasattr(sa, 'db') and hasattr(
sa.db, 'session') and sa.db.session.is_active:
if bool(sa.db.session.dirty):
sa.db.session.close() # db server will do rollback
else:
sa.db.session.commit() # normal situation
return app
def create_app(app_name=None, instance_path=None, static_path=None,
static_folder=None, **config):
"""Returns a :class:`Flask` application instance configured with common
functionality for the AdsWS platform.
:param app_name: application package name
:param instance_path: application package path
:param static_path: flask.Flask static_path kwarg
:param static_folder: flask.Flask static_folder kwarg
:param config: a dictionary of settings to override
"""
# Flask application name
app_name = app_name or '.'.join(__name__.split('.')[0:-1])
# Force instance folder to always be located one level above adsws
instance_path = instance_path or os.path.realpath(os.path.join(
os.path.dirname(__file__), '../instance'
))
# Create instance path
try:
if not os.path.exists(instance_path):
os.makedirs(instance_path)
except:
pass
app = ADSFlask(
app_name,
instance_path=instance_path,
instance_relative_config=False,
static_path=static_path,
static_folder=static_folder,
local_config=config or {}
)
# Handle both URLs with and without trailing slashes by Flask.
app.url_map.strict_slashes = False
load_config(app, config)
# Ensure SECRET_KEY has a value in the application configuration
register_secret_key(app)
# ====================
# Application assembly
# ====================
# Initialize application registry, used for discovery and loading of
# configuration, extensions and Invenio packages
Registry(app=app)
app.extensions['registry'].update(
# Register packages listed in config
packages=PackageRegistry(app))
app.extensions['registry'].update(
# Register extensions listed in config
extensions=ExtensionRegistry(app),
# Register blueprints
blueprints=BlueprintAutoDiscoveryRegistry(app=app),
)
# Extend application config with configuration from packages (app config
# takes precedence)
ConfigurationRegistry(app)
configure_a_more_verbose_log_exception(app)
app.wsgi_app = HTTPMethodOverrideMiddleware(app.wsgi_app)
app.before_request(set_translations)
app.before_request(make_session_permanent)
app.before_request(cache_data_stream)
if app.config.get('PRODUCTION', False):
app.wsgi_app = ProxyFix(
app.wsgi_app,
num_proxies=app.config.get('NUM_PROXIES', 2)
)
if app.config.get('HTTPS_ONLY', False):
# Contains the x-forwarded-proto in the criteria already
# only works if app.debug=False
# permanent=True responds with 302 instead of 301
SSLify(app, permanent=True)
# Register custom error handlers
if not app.config.get('DEBUG'):
app.errorhandler(404)(on_404)
app.errorhandler(401)(on_401)
app.errorhandler(429)(on_429)
app.errorhandler(405)(on_405)
@oauth2.after_request
def set_adsws_uid_header(valid, oauth):
"""
If the user is authenticated, inject the header "X-adsws-uid" into
the incoming request header
"""
h = Headers(request.headers.items())
if current_user.is_authenticated():
h.add_header("X-Adsws-Uid", current_user.id)
if valid:
level = oauth.client.ratelimit
if level is None:
level = 1.0
h.add_header("X-Adsws-Ratelimit-Level", level)
else:
h.add_header("X-Adsws-Ratelimit-Level", 0.0)
request.headers = h
return valid, oauth
@app.teardown_request
def teardown_request(exception=None):
"""This function will close active transaction, if there is one
but only if the session is not dirty - we don't want to do any
magic (instead of a developer)
use expire_on_commit=False doesn't have the same effect
http://docs.sqlalchemy.org/en/latest/orm/session_api.html#sqlalchemy.orm.session.Session.commit
The problems we are facing is that a new transaction gets opened
when session is committed; consequent access to the ORM objects
opens a new transaction (which never gets closed and is rolled back)
"""
a = current_app
if 'sqlalchemy' in a.extensions: # could use self.db but let's be very careful
sa = a.extensions['sqlalchemy']
if hasattr(sa, 'db') and hasattr(sa.db, 'session') and sa.db.session.is_active:
if bool(sa.db.session.dirty):
sa.db.session.close() # db server will do rollback
else:
sa.db.session.commit() # normal situation
return app
def create_app(app_name=None,
instance_path=None,
static_path=None,
static_folder=None,
**config):
"""Returns a :class:`Flask` application instance configured with common
functionality for the AdsWS platform.
:param app_name: application package name
:param instance_path: application package path
:param static_path: flask.Flask static_path kwarg
:param static_folder: flask.Flask static_folder kwarg
:param config: a dictionary of settings to override
"""
# Flask application name
app_name = app_name or '.'.join(__name__.split('.')[0:-1])
# Force instance folder to always be located one level above adsws
instance_path = instance_path or os.path.realpath(
os.path.join(os.path.dirname(__file__), '../instance'))
# Create instance path
try:
if not os.path.exists(instance_path):
os.makedirs(instance_path)
except:
pass
app = ADSFlask(app_name,
instance_path=instance_path,
instance_relative_config=False,
static_path=static_path,
static_folder=static_folder,
local_config=config or {})
# Handle both URLs with and without trailing slashes by Flask.
app.url_map.strict_slashes = False
load_config(app, config)
# Ensure SECRET_KEY has a value in the application configuration
register_secret_key(app)
# ====================
# Application assembly
# ====================
# Initialize application registry, used for discovery and loading of
# configuration, extensions and Invenio packages
Registry(app=app)
app.extensions['registry'].update(
# Register packages listed in config
packages=PackageRegistry(app))
app.extensions['registry'].update(
# Register extensions listed in config
extensions=ExtensionRegistry(app),
# Register blueprints
blueprints=BlueprintAutoDiscoveryRegistry(app=app),
)
# Extend application config with configuration from packages (app config
# takes precedence)
ConfigurationRegistry(app)
configure_a_more_verbose_log_exception(app)
app.wsgi_app = HTTPMethodOverrideMiddleware(app.wsgi_app)
app.before_request(set_translations)
app.before_request(make_session_permanent)
if app.config.get('PRODUCTION', False):
app.wsgi_app = ProxyFix(app.wsgi_app,
num_proxies=app.config.get('NUM_PROXIES', 2))
if app.config.get('HTTPS_ONLY', False):
# Contains the x-forwarded-proto in the criteria already
# only works if app.debug=False
# permanent=True responds with 302 instead of 301
SSLify(app, permanent=True)
# Register custom error handlers
if not app.config.get('DEBUG'):
app.errorhandler(404)(on_404)
app.errorhandler(401)(on_401)
app.errorhandler(429)(on_429)
app.errorhandler(405)(on_405)
@oauth2.after_request
def set_adsws_uid_header(valid, oauth):
"""
If the user is authenticated, inject the header "X-adsws-uid" into
the incoming request header
"""
if current_user.is_authenticated():
h = Headers(request.headers.items())
h.add_header("X-Adsws-Uid", current_user.id)
if current_user.ratelimit_level is not None:
h.add_header("X-Adsws-Ratelimit-Level",
current_user.ratelimit_level)
request.headers = h
return valid, oauth
return app