async def handler(self, request):
"""Main handler function for aiohttp."""
request._view_error = False
await notify(BeforeRenderViewEvent(request, self.view))
request.record("viewrender")
if app_settings["check_writable_request"](request):
try:
# We try to avoid collisions on the same instance of
# guillotina
view_result = await self.view()
await commit(warn=False)
except (ConflictError, TIDConflictError):
await abort()
# bubble this error up
raise
except (response.Response,
aiohttp.web_exceptions.HTTPException) as exc:
await abort()
view_result = exc
request._view_error = True
except Exception as e:
await abort()
view_result = generate_error_response(e, request,
"ServiceError")
request._view_error = True
else:
try:
view_result = await self.view()
except (response.Response,
aiohttp.web_exceptions.HTTPException) as exc:
view_result = exc
request._view_error = True
except Exception as e:
request._view_error = True
view_result = generate_error_response(e, request, "ViewError")
finally:
await abort()
request.record("viewrendered")
if IAioHTTPResponse.providedBy(view_result):
resp = view_result
else:
resp = await apply_rendering(self.view, self.request, view_result)
request.record("renderer")
resp = await _apply_cors(request, resp)
if not request._view_error:
request.execute_futures()
else:
request.execute_futures("failure")
self.debug(request, resp)
request.record("finish")
_clean_request(request, resp)
del self.view
del self.resource
request.clear_futures()
return resp
async def handle_ws_request(self, ws, message):
method = app_settings['http_methods']['GET']
path = tuple(p for p in message['value'].split('/') if p)
from guillotina.traversal import traverse
obj, tail = await traverse(self.request, self.request.container, path)
if tail and len(tail) > 0:
# convert match lookups
view_name = routes.path_to_view_name(tail)
elif not tail:
view_name = ''
else:
raise
permission = get_utility(IPermission, name='guillotina.AccessContent')
security = get_adapter(self.request, IInteraction)
allowed = security.check_permission(permission.id, obj)
if not allowed:
return ws.send_str(ujson.dumps({'error': 'Not allowed'}))
try:
view = query_multi_adapter((obj, self.request),
method,
name=view_name)
except AttributeError:
view = None
try:
view.__route__.matches(self.request, tail or [])
except (KeyError, IndexError):
view = None
if view is None:
return ws.send_str(ujson.dumps({'error': 'Not found'}))
ViewClass = view.__class__
view_permission = get_view_permission(ViewClass)
if not security.check_permission(view_permission, view):
return ws.send_str(ujson.dumps({'error': 'No view access'}))
if hasattr(view, 'prepare'):
view = (await view.prepare()) or view
view_result = await view()
if IAioHTTPResponse.providedBy(view_result):
raise Exception('Do not accept raw aiohttp exceptions in ws')
else:
from guillotina.traversal import apply_rendering
resp = await apply_rendering(view, self.request, view_result)
# Return the value, body is always encoded
ws.send_str(resp.body.decode('utf-8'))
# Wait for possible value
self.request.execute_futures()
async def handler(self, request):
"""Main handler function for aiohttp."""
request.record('finish')
self.debug(request, self.resp)
if IAioHTTPResponse.providedBy(self.resp):
return self.resp
else:
return await apply_rendering(
View(None, request), request, self.resp)
async def handler(self, request):
"""Main handler function for aiohttp."""
request._view_error = False
request.record('viewrender')
if app_settings['check_writable_request'](request):
try:
# We try to avoid collisions on the same instance of
# guillotina
view_result = await self.view()
await commit(request, warn=False)
except (ConflictError, TIDConflictError) as e:
# bubble this error up
raise
except (response.Response,
aiohttp.web_exceptions.HTTPException) as exc:
await abort(request)
view_result = exc
request._view_error = True
except Exception as e:
await abort(request)
view_result = generate_error_response(e, request,
'ServiceError')
request._view_error = True
else:
try:
view_result = await self.view()
except (response.Response,
aiohttp.web_exceptions.HTTPException) as exc:
view_result = exc
request._view_error = True
except Exception as e:
request._view_error = True
view_result = generate_error_response(e, request, 'ViewError')
finally:
await abort(request)
request.record('viewrendered')
if IAioHTTPResponse.providedBy(view_result):
resp = view_result
else:
resp = await apply_rendering(self.view, self.request, view_result)
request.record('renderer')
resp = await _apply_cors(request, resp)
if not request._view_error:
request.execute_futures()
else:
request.execute_futures('failure')
self.debug(request, resp)
request.record('finish')
request.clear_futures()
return resp
async def handler(self, request):
"""Main handler function for aiohttp."""
request.record('finish')
self.debug(request, self.resp)
if IAioHTTPResponse.providedBy(self.resp):
return self.resp
else:
resp = await apply_rendering(
View(None, request), request, self.resp)
resp = await _apply_cors(request, resp)
return resp
async def handler(self, request):
"""Main handler function for aiohttp."""
request._view_error = False
await notify(BeforeRenderViewEvent(request, self.view))
request.record('viewrender')
if app_settings['check_writable_request'](request):
try:
# We try to avoid collisions on the same instance of
# guillotina
view_result = await self.view()
await commit(request, warn=False)
except (ConflictError, TIDConflictError):
# bubble this error up
raise
except (response.Response, aiohttp.web_exceptions.HTTPException) as exc:
await abort(request)
view_result = exc
request._view_error = True
except Exception as e:
await abort(request)
view_result = generate_error_response(
e, request, 'ServiceError')
request._view_error = True
else:
try:
view_result = await self.view()
except (response.Response, aiohttp.web_exceptions.HTTPException) as exc:
view_result = exc
request._view_error = True
except Exception as e:
request._view_error = True
view_result = generate_error_response(e, request, 'ViewError')
finally:
await abort(request)
request.record('viewrendered')
if IAioHTTPResponse.providedBy(view_result):
resp = view_result
else:
resp = await apply_rendering(self.view, self.request, view_result)
request.record('renderer')
resp = await _apply_cors(request, resp)
if not request._view_error:
request.execute_futures()
else:
request.execute_futures('failure')
self.debug(request, resp)
request.record('finish')
request.clear_futures()
return resp
async def handler(self, request):
"""Main handler function for aiohttp."""
request._view_error = False
request.record('viewrender')
if app_settings['check_writable_request'](request):
try:
# We try to avoid collisions on the same instance of
# guillotina
view_result = await self.view()
await commit(request, warn=False)
except (ConflictError, TIDConflictError) as e:
# bubble this error up
raise
except (response.Response, aiohttp.web_exceptions.HTTPException) as exc:
await abort(request)
view_result = exc
request._view_error = True
except Exception as e:
await abort(request)
view_result = generate_error_response(
e, request, 'ServiceError')
request._view_error = True
else:
try:
view_result = await self.view()
except (response.Response, aiohttp.web_exceptions.HTTPException) as exc:
view_result = exc
request._view_error = True
except Exception as e:
request._view_error = True
view_result = generate_error_response(e, request, 'ViewError')
finally:
await abort(request)
request.record('viewrendered')
if IAioHTTPResponse.providedBy(view_result):
resp = view_result
else:
resp = await apply_rendering(self.view, self.request, view_result)
request.record('renderer')
# Apply cors if its needed
cors_renderer = app_settings['cors_renderer'](request)
try:
cors_headers = await cors_renderer.get_headers()
cors_headers.update(resp.headers)
resp._headers = cors_headers
retry_attempts = getattr(request, '_retry_attempt', 0)
if retry_attempts > 0:
resp.headers['X-Retry-Transaction-Count'] = str(retry_attempts)
except response.Response as exc:
resp = exc
request.record('headers')
if not request._view_error:
request.execute_futures()
else:
request.execute_futures('failure')
self.debug(request, resp)
request.record('finish')
request.clear_futures()
return resp
async def handle_ws_request(self, ws, message):
method = app_settings["http_methods"]["GET"]
try:
frame_id = message["id"]
except KeyError:
frame_id = "0"
parsed = parse.urlparse(message.get("path", message.get("value")))
path = tuple(p for p in parsed.path.split("/") if p)
from guillotina.traversal import traverse
obj, tail = await traverse(self.request, task_vars.container.get(), path)
if tail and len(tail) > 0:
# convert match lookups
view_name = routes.path_to_view_name(tail)
elif not tail:
view_name = ""
else:
raise
permission = get_utility(IPermission, name="guillotina.AccessContent")
security = get_security_policy()
allowed = security.check_permission(permission.id, obj)
if not allowed:
return await ws.send_str(ujson.dumps({"error": "Not allowed"}))
try:
view = query_multi_adapter((obj, self.request), method, name=view_name)
except AttributeError:
view = None
try:
view.__route__.matches(self.request, tail or [])
except (KeyError, IndexError):
view = None
if view is None:
return await ws.send_str(ujson.dumps({"error": "Not found", "id": frame_id}))
ViewClass = view.__class__
view_permission = get_view_permission(ViewClass)
if not security.check_permission(view_permission, view):
return await ws.send_str(ujson.dumps({"error": "No view access", "id": frame_id}))
if hasattr(view, "prepare"):
view = (await view.prepare()) or view
view_result = await view()
if IAioHTTPResponse.providedBy(view_result):
raise Exception("Do not accept raw aiohttp exceptions in ws")
else:
from guillotina.traversal import apply_rendering
resp = await apply_rendering(view, self.request, view_result)
# Return the value, body is always encoded
response_object = ujson.dumps({"data": resp.body.decode("utf-8"), "id": frame_id})
await ws.send_str(response_object)
# Wait for possible value
self.request.execute_futures()
async def handle_ws_request(self, ws, message):
method = app_settings['http_methods']['GET']
try:
frame_id = message['id']
except KeyError:
frame_id = '0'
parsed = parse.urlparse(message.get('path', message.get('value')))
path = tuple(p for p in parsed.path.split('/') if p)
from guillotina.traversal import traverse
obj, tail = await traverse(self.request, self.request.container, path)
if tail and len(tail) > 0:
# convert match lookups
view_name = routes.path_to_view_name(tail)
elif not tail:
view_name = ''
else:
raise
permission = get_utility(
IPermission, name='guillotina.AccessContent')
security = get_adapter(self.request, IInteraction)
allowed = security.check_permission(permission.id, obj)
if not allowed:
return await ws.send_str(ujson.dumps({
'error': 'Not allowed'
}))
try:
view = query_multi_adapter(
(obj, self.request), method, name=view_name)
except AttributeError:
view = None
try:
view.__route__.matches(self.request, tail or [])
except (KeyError, IndexError):
view = None
if view is None:
return await ws.send_str(ujson.dumps({
'error': 'Not found',
'id': frame_id
}))
ViewClass = view.__class__
view_permission = get_view_permission(ViewClass)
if not security.check_permission(view_permission, view):
return await ws.send_str(ujson.dumps({
'error': 'No view access',
'id': frame_id
}))
if hasattr(view, 'prepare'):
view = (await view.prepare()) or view
view_result = await view()
if IAioHTTPResponse.providedBy(view_result):
raise Exception('Do not accept raw aiohttp exceptions in ws')
else:
from guillotina.traversal import apply_rendering
resp = await apply_rendering(view, self.request, view_result)
# Return the value, body is always encoded
response_object = ujson.dumps({
'data': resp.body.decode('utf-8'),
'id': frame_id
})
await ws.send_str(response_object)
# Wait for possible value
self.request.execute_futures()
