def create_app(configfile=None):
# do the imports here to not shadow e.g. "import bayesian.frontend.api_v1"
# by Blueprint imported here
from .api_v1 import api_v1
from .exceptions import HTTPError
from .utils import JSONEncoderWithExtraTypes
app = Flask(__name__)
AppConfig(app, configfile)
cache.init_app(app)
# actually init the DB with config values now
rdb.init_app(app)
app.rdb = rdb
# We need JSON encoder that can serialize datetime.datetime
app.json_encoder = JSONEncoderWithExtraTypes
app.register_blueprint(api_v1)
# Redirect to latest API version if /api is accessed
app.route('/api')(lambda: redirect(url_for('api_v1.apiendpoints__slashless')))
# Likewise for base URL, and make that accessible by name
@app.route('/')
def base_url():
return redirect(url_for('api_v1.apiendpoints__slashless'))
@app.errorhandler(HTTPError)
def handleerrors(e):
bp = app.blueprints.get(request.blueprint)
# if there's an error pre-request (e.g. during authentication) in non-GET requests,
# request.blueprint is not set yet
if not bp:
# sort by the length of url_prefix, filter out blueprints without prefix
bps = reversed(sorted(
[(name, b) for name, b in app.blueprints.items() if b.url_prefix is not None],
key=lambda tpl: len(tpl[1].url_prefix)))
for bp_name, b in bps:
if request.environ['PATH_INFO'].startswith(b.url_prefix):
bp = b
break
if bp:
handler = getattr(bp, 'coreapi_http_error_handler', None)
if handler:
return handler(e)
return Response(e.error, status=e.status_code)
setup_logging(app)
@app.before_request
def set_current_user():
g.current_user = None
return app
python类blueprint()的实例源码
def init_app(self, app):
app.extensions['csrf'] = self
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config['WTF_CSRF_METHODS'] = set(app.config.get(
'WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH', 'DELETE']
))
app.config.setdefault('WTF_CSRF_FIELD_NAME', 'csrf_token')
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_TIME_LIMIT', 3600)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.jinja_env.globals['csrf_token'] = generate_csrf
app.context_processor(lambda: {'csrf_token': generate_csrf})
@app.before_request
def csrf_protect():
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
if request.blueprint in self._exempt_blueprints:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
self.protect()
def init_app(self, app):
self._app = app
app.jinja_env.globals['csrf_token'] = generate_csrf
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config.setdefault('WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH'])
# expose csrf_token as a helper in all templates
@app.context_processor
def csrf_token():
return dict(csrf_token=generate_csrf)
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
@app.before_request
def _csrf_protect():
# many things come from django.middleware.csrf
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if self._exempt_views or self._exempt_blueprints:
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
if request.blueprint in self._exempt_blueprints:
return
self.protect()
def init_app(self, app):
app.extensions['csrf'] = self
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config['WTF_CSRF_METHODS'] = set(app.config.get(
'WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH', 'DELETE']
))
app.config.setdefault('WTF_CSRF_FIELD_NAME', 'csrf_token')
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_TIME_LIMIT', 3600)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.jinja_env.globals['csrf_token'] = generate_csrf
app.context_processor(lambda: {'csrf_token': generate_csrf})
@app.before_request
def csrf_protect():
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
if request.blueprint in self._exempt_blueprints:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
self.protect()
def init_app(self, app):
app.extensions['csrf'] = self
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config['WTF_CSRF_METHODS'] = set(app.config.get(
'WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH', 'DELETE']
))
app.config.setdefault('WTF_CSRF_FIELD_NAME', 'csrf_token')
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_TIME_LIMIT', 3600)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.jinja_env.globals['csrf_token'] = generate_csrf
app.context_processor(lambda: {'csrf_token': generate_csrf})
@app.before_request
def csrf_protect():
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
if request.blueprint in self._exempt_blueprints:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
self.protect()
def init_app(self, app):
self._app = app
app.jinja_env.globals['csrf_token'] = generate_csrf
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config.setdefault('WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH'])
# expose csrf_token as a helper in all templates
@app.context_processor
def csrf_token():
return dict(csrf_token=generate_csrf)
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
@app.before_request
def _csrf_protect():
# many things come from django.middleware.csrf
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if self._exempt_views or self._exempt_blueprints:
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
if request.blueprint in self._exempt_blueprints:
return
self.protect()
def init_app(self, app):
self._app = app
app.jinja_env.globals['csrf_token'] = generate_csrf
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config.setdefault('WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH'])
# expose csrf_token as a helper in all templates
@app.context_processor
def csrf_token():
return dict(csrf_token=generate_csrf)
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
@app.before_request
def _csrf_protect():
# many things come from django.middleware.csrf
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if self._exempt_views or self._exempt_blueprints:
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
if request.blueprint in self._exempt_blueprints:
return
self.protect()
def init_app(self, app):
self._app = app
app.jinja_env.globals['csrf_token'] = generate_csrf
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config.setdefault('WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH'])
# expose csrf_token as a helper in all templates
@app.context_processor
def csrf_token():
return dict(csrf_token=generate_csrf)
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
@app.before_request
def _csrf_protect():
# many things come from django.middleware.csrf
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if self._exempt_views or self._exempt_blueprints:
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
if request.blueprint in self._exempt_blueprints:
return
self.protect()
def init_app(self, app):
app.extensions['csrf'] = self
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config['WTF_CSRF_METHODS'] = set(app.config.get(
'WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH', 'DELETE']
))
app.config.setdefault('WTF_CSRF_FIELD_NAME', 'csrf_token')
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_TIME_LIMIT', 3600)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.jinja_env.globals['csrf_token'] = generate_csrf
app.context_processor(lambda: {'csrf_token': generate_csrf})
@app.before_request
def csrf_protect():
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
if request.blueprint in self._exempt_blueprints:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
self.protect()
def init_app(self, app):
self._app = app
app.jinja_env.globals['csrf_token'] = generate_csrf
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config.setdefault('WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH'])
# expose csrf_token as a helper in all templates
@app.context_processor
def csrf_token():
return dict(csrf_token=generate_csrf)
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
@app.before_request
def _csrf_protect():
# many things come from django.middleware.csrf
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if self._exempt_views or self._exempt_blueprints:
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
if request.blueprint in self._exempt_blueprints:
return
self.protect()
def init_app(self, app):
self._app = app
app.jinja_env.globals['csrf_token'] = generate_csrf
app.config.setdefault(
'WTF_CSRF_HEADERS', ['X-CSRFToken', 'X-CSRF-Token']
)
app.config.setdefault('WTF_CSRF_SSL_STRICT', True)
app.config.setdefault('WTF_CSRF_ENABLED', True)
app.config.setdefault('WTF_CSRF_CHECK_DEFAULT', True)
app.config.setdefault('WTF_CSRF_METHODS', ['POST', 'PUT', 'PATCH'])
# expose csrf_token as a helper in all templates
@app.context_processor
def csrf_token():
return dict(csrf_token=generate_csrf)
if not app.config['WTF_CSRF_ENABLED']:
return
if not app.config['WTF_CSRF_CHECK_DEFAULT']:
return
@app.before_request
def _csrf_protect():
# many things come from django.middleware.csrf
if request.method not in app.config['WTF_CSRF_METHODS']:
return
if self._exempt_views or self._exempt_blueprints:
if not request.endpoint:
return
view = app.view_functions.get(request.endpoint)
if not view:
return
dest = '%s.%s' % (view.__module__, view.__name__)
if dest in self._exempt_views:
return
if request.blueprint in self._exempt_blueprints:
return
self.protect()
