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@ -3,7 +3,15 @@ |
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"""Views used by Pyramid when an exception is raised.""" |
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"""Views used by Pyramid when an exception is raised.""" |
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from pyramid.httpexceptions import HTTPError, HTTPForbidden, HTTPNotFound |
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from typing import Sequence |
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from marshmallow import ValidationError |
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from pyramid.httpexceptions import ( |
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HTTPError, |
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HTTPForbidden, |
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HTTPNotFound, |
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HTTPUnprocessableEntity, |
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) |
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from pyramid.request import Request |
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from pyramid.request import Request |
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from pyramid.view import ( |
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from pyramid.view import ( |
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exception_view_config, |
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exception_view_config, |
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@ -15,6 +23,21 @@ from sqlalchemy import cast, desc, func, Text |
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from tildes.models.group import Group |
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from tildes.models.group import Group |
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def errors_from_validationerror(validation_error: ValidationError) -> Sequence[str]: |
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"""Extract errors from a marshmallow ValidationError into a displayable format.""" |
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errors_by_field = validation_error.messages |
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error_strings = [] |
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for field, errors in errors_by_field.items(): |
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joined_errors = " ".join(errors) |
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if field != "_schema": |
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error_strings.append(f"{field}: {joined_errors}") |
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else: |
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error_strings.append(joined_errors) |
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return error_strings |
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@exception_view_config( |
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@exception_view_config( |
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HTTPNotFound, route_name="group", renderer="error_group_not_found.jinja2" |
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HTTPNotFound, route_name="group", renderer="error_group_not_found.jinja2" |
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) |
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) |
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@ -44,6 +67,11 @@ def generic_error_page(request: Request) -> dict: |
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if isinstance(request.exception, HTTPForbidden): |
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if isinstance(request.exception, HTTPForbidden): |
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description = "You don't have access to this page" |
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description = "You don't have access to this page" |
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if isinstance(request.exception, HTTPUnprocessableEntity) and isinstance( |
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request.exception.__context__, ValidationError |
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): |
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errors = errors_from_validationerror(request.exception.__context__) |
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description = " ".join(errors) |
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else: |
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else: |
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description = request.exception.explanation |
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description = request.exception.explanation |
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