def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
python类BuildError()的实例源码
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def url_resource(resource):
url = resource.get('url')
if url is None:
return url
if not url:
return None
if callable(url):
return url(resource)
if isinstance(url, six.string_types):
return url
params = resource.get('url_params', {})
params['_external'] = params.get('_external', True)
try:
url = url_for(
resource['endpoints'][0],
**params
)
except BuildError:
url = None
return url
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as e:
# make error available outside except block (py3)
error = e
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
def handle_url_build_error(self, error, endpoint, values):
"""Handle :class:`~werkzeug.routing.BuildError` on :meth:`url_for`.
"""
exc_type, exc_value, tb = sys.exc_info()
for handler in self.url_build_error_handlers:
try:
rv = handler(error, endpoint, values)
if rv is not None:
return rv
except BuildError as error:
pass
# At this point we want to reraise the exception. If the error is
# still the same one we can reraise it with the original traceback,
# otherwise we raise it from here.
if error is exc_value:
reraise(exc_type, exc_value, tb)
raise error
def test_build_error_handler(self):
app = flask.Flask(__name__)
# Test base case, a URL which results in a BuildError.
with app.test_request_context():
self.assertRaises(BuildError, flask.url_for, 'spam')
# Verify the error is re-raised if not the current exception.
try:
with app.test_request_context():
flask.url_for('spam')
except BuildError as err:
error = err
try:
raise RuntimeError('Test case where BuildError is not current.')
except RuntimeError:
self.assertRaises(BuildError, app.handle_url_build_error, error, 'spam', {})
# Test a custom handler.
def handler(error, endpoint, values):
# Just a test.
return '/test_handler/'
app.url_build_error_handlers.append(handler)
with app.test_request_context():
self.assert_equal(flask.url_for('spam'), '/test_handler/')
