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Co-authored-by: L. Kärkkäinen <[email protected]> Co-authored-by: Adam Hopkins <[email protected]> Co-authored-by: L. Karkkainen <[email protected]> Co-authored-by: SML <[email protected]>
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Mar 6, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -24,5 +24,6 @@ module = [ | |
| "sanic_routing.*", | ||
| "aioquic.*", | ||
| "html5tagger.*", | ||
| "tracerite.*", | ||
| ] | ||
| ignore_missing_imports = true | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| from typing import Any, Mapping | ||
|
|
||
| import tracerite.html | ||
|
|
||
| from html5tagger import E | ||
| from tracerite import html_traceback, inspector | ||
|
|
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| from sanic.request import Request | ||
|
|
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| from .base import BasePage | ||
|
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|
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| # Avoid showing the request in the traceback variable inspectors | ||
| inspector.blacklist_types += (Request,) | ||
|
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| ENDUSER_TEXT = """\ | ||
| We're sorry, but it looks like something went wrong. Please try refreshing \ | ||
| the page or navigating back to the homepage. If the issue persists, our \ | ||
| technical team is working to resolve it as soon as possible. We apologize \ | ||
| for the inconvenience and appreciate your patience.\ | ||
| """ | ||
|
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|
|
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| class ErrorPage(BasePage): | ||
| STYLE_APPEND = tracerite.html.style | ||
|
|
||
| def __init__( | ||
| self, | ||
| debug: bool, | ||
| title: str, | ||
| text: str, | ||
| request: Request, | ||
| exc: Exception, | ||
| ) -> None: | ||
| super().__init__(debug) | ||
| name = request.app.name.replace("_", " ").strip() | ||
| if name.islower(): | ||
| name = name.title() | ||
| self.TITLE = f"Application {name} cannot handle your request" | ||
| self.HEADING = E("Application ").strong(name)( | ||
| " cannot handle your request" | ||
| ) | ||
| self.title = title | ||
| self.text = text | ||
| self.request = request | ||
| self.exc = exc | ||
| self.details_open = not getattr(exc, "quiet", False) | ||
|
|
||
| def _head(self) -> None: | ||
| self.doc._script(tracerite.html.javascript) | ||
| super()._head() | ||
|
|
||
| def _body(self) -> None: | ||
| debug = self.request.app.debug | ||
| route_name = self.request.name or "[route not found]" | ||
| with self.doc.main: | ||
| self.doc.h1(f"⚠️ {self.title}").p(self.text) | ||
| # Show context details if available on the exception | ||
| context = getattr(self.exc, "context", None) | ||
| if context: | ||
| self._key_value_table( | ||
| "Issue context", "exception-context", context | ||
| ) | ||
|
|
||
| if not debug: | ||
| with self.doc.div(id="enduser"): | ||
| self.doc.p(ENDUSER_TEXT).p.a("Front Page", href="/") | ||
| return | ||
| # Show additional details in debug mode, | ||
| # open by default for 500 errors | ||
| with self.doc.details(open=self.details_open, class_="smalltext"): | ||
| # Show extra details if available on the exception | ||
| extra = getattr(self.exc, "extra", None) | ||
| if extra: | ||
| self._key_value_table( | ||
| "Issue extra data", "exception-extra", extra | ||
| ) | ||
|
|
||
| self.doc.summary( | ||
| "Details for developers (Sanic debug mode only)" | ||
| ) | ||
| if self.exc: | ||
| with self.doc.div(class_="exception-wrapper"): | ||
| self.doc.h2(f"Exception in {route_name}:") | ||
| self.doc( | ||
| html_traceback(self.exc, include_js_css=False) | ||
| ) | ||
|
|
||
| self._key_value_table( | ||
| f"{self.request.method} {self.request.path}", | ||
| "request-headers", | ||
| self.request.headers, | ||
| ) | ||
|
|
||
| def _key_value_table( | ||
| self, title: str, table_id: str, data: Mapping[str, Any] | ||
| ) -> None: | ||
| with self.doc.div(class_="key-value-display"): | ||
| self.doc.h2(title) | ||
| with self.doc.dl(id=table_id, class_="key-value-table smalltext"): | ||
| for key, value in data.items(): | ||
| # Reading values may cause a new exception, so suppress it | ||
| try: | ||
| value = str(value) | ||
| except Exception: | ||
| value = E.em("Unable to display value") | ||
| self.doc.dt.span(key, class_="nobr key").span(": ").dd( | ||
| value | ||
| ) |
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