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python3.8
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sentry_sdk
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integrations
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django
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files >> //opt/hc_python/lib64/python3.8/site-packages/sentry_sdk/integrations/django/templates.py
import functools from django.template import TemplateSyntaxError from django.utils.safestring import mark_safe from django import VERSION as DJANGO_VERSION import sentry_sdk from sentry_sdk.consts import OP from sentry_sdk.utils import ensure_integration_enabled from typing import TYPE_CHECKING if TYPE_CHECKING: from typing import Any from typing import Dict from typing import Optional from typing import Iterator from typing import Tuple try: # support Django 1.9 from django.template.base import Origin except ImportError: # backward compatibility from django.template.loader import LoaderOrigin as Origin def get_template_frame_from_exception(exc_value): # type: (Optional[BaseException]) -> Optional[Dict[str, Any]] # As of Django 1.9 or so the new template debug thing showed up. if hasattr(exc_value, "template_debug"): return _get_template_frame_from_debug(exc_value.template_debug) # type: ignore # As of r16833 (Django) all exceptions may contain a # ``django_template_source`` attribute (rather than the legacy # ``TemplateSyntaxError.source`` check) if hasattr(exc_value, "django_template_source"): return _get_template_frame_from_source( exc_value.django_template_source # type: ignore ) if isinstance(exc_value, TemplateSyntaxError) and hasattr(exc_value, "source"): source = exc_value.source if isinstance(source, (tuple, list)) and isinstance(source[0], Origin): return _get_template_frame_from_source(source) # type: ignore return None def _get_template_name_description(template_name): # type: (str) -> str if isinstance(template_name, (list, tuple)): if template_name: return "[{}, ...]".format(template_name[0]) else: return template_name def patch_templates(): # type: () -> None from django.template.response import SimpleTemplateResponse from sentry_sdk.integrations.django import DjangoIntegration real_rendered_content = SimpleTemplateResponse.rendered_content @property # type: ignore @ensure_integration_enabled(DjangoIntegration, real_rendered_content.fget) def rendered_content(self): # type: (SimpleTemplateResponse) -> str with sentry_sdk.start_span( op=OP.TEMPLATE_RENDER, name=_get_template_name_description(self.template_name), origin=DjangoIntegration.origin, ) as span: span.set_data("context", self.context_data) return real_rendered_content.fget(self) SimpleTemplateResponse.rendered_content = rendered_content if DJANGO_VERSION < (1, 7): return import django.shortcuts real_render = django.shortcuts.render @functools.wraps(real_render) @ensure_integration_enabled(DjangoIntegration, real_render) def render(request, template_name, context=None, *args, **kwargs): # type: (django.http.HttpRequest, str, Optional[Dict[str, Any]], *Any, **Any) -> django.http.HttpResponse # Inject trace meta tags into template context context = context or {} if "sentry_trace_meta" not in context: context["sentry_trace_meta"] = mark_safe( sentry_sdk.get_current_scope().trace_propagation_meta() ) with sentry_sdk.start_span( op=OP.TEMPLATE_RENDER, name=_get_template_name_description(template_name), origin=DjangoIntegration.origin, ) as span: span.set_data("context", context) return real_render(request, template_name, context, *args, **kwargs) django.shortcuts.render = render def _get_template_frame_from_debug(debug): # type: (Dict[str, Any]) -> Dict[str, Any] if debug is None: return None lineno = debug["line"] filename = debug["name"] if filename is None: filename = "<django template>" pre_context = [] post_context = [] context_line = None for i, line in debug["source_lines"]: if i < lineno: pre_context.append(line) elif i > lineno: post_context.append(line) else: context_line = line return { "filename": filename, "lineno": lineno, "pre_context": pre_context[-5:], "post_context": post_context[:5], "context_line": context_line, "in_app": True, } def _linebreak_iter(template_source): # type: (str) -> Iterator[int] yield 0 p = template_source.find("\n") while p >= 0: yield p + 1 p = template_source.find("\n", p + 1) def _get_template_frame_from_source(source): # type: (Tuple[Origin, Tuple[int, int]]) -> Optional[Dict[str, Any]] if not source: return None origin, (start, end) = source filename = getattr(origin, "loadname", None) if filename is None: filename = "<django template>" template_source = origin.reload() lineno = None upto = 0 pre_context = [] post_context = [] context_line = None for num, next in enumerate(_linebreak_iter(template_source)): line = template_source[upto:next] if start >= upto and end <= next: lineno = num context_line = line elif lineno is None: pre_context.append(line) else: post_context.append(line) upto = next if context_line is None or lineno is None: return None return { "filename": filename, "lineno": lineno, "pre_context": pre_context[-5:], "post_context": post_context[:5], "context_line": context_line, }
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