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/opt/hc_python/lib/python3.12/site-packages/sentry_sdk/integrations/django/transactions.py

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"""
Copied from raven-python.

Despite being called "legacy" in some places this resolver is very much still
in use.
"""

import re

from typing import TYPE_CHECKING

if TYPE_CHECKING:
    from django.urls.resolvers import URLResolver
    from typing import Dict
    from typing import List
    from typing import Optional
    from django.urls.resolvers import URLPattern
    from typing import Tuple
    from typing import Union
    from re import Pattern

from django import VERSION as DJANGO_VERSION

if DJANGO_VERSION >= (2, 0):
    from django.urls.resolvers import RoutePattern
else:
    RoutePattern = None

try:
    from django.urls import get_resolver
except ImportError:
    from django.core.urlresolvers import get_resolver

def get_regex(resolver_or_pattern):
    # type: (Union[URLPattern, URLResolver]) -> Pattern[str]
    """Utility method for django's deprecated resolver.regex"""
    try:
        regex = resolver_or_pattern.regex
    except AttributeError:
        regex = resolver_or_pattern.pattern.regex
    return regex

class RavenResolver:
    _new_style_group_matcher = re.compile(
        r"<(?:([^>:]+):)?([^>]+)>"
    )  # https://github.com/django/django/blob/21382e2743d06efbf5623e7c9b6dccf2a325669b/django/urls/resolvers.py#L245-L247
    _optional_group_matcher = re.compile(r"$\?\:([^$]+)\)")
    _named_group_matcher = re.compile(r"$\?P<(\w+)>[^$]+\)+")
    _non_named_group_matcher = re.compile(r"$[^$]+\)")
    # [foo|bar|baz]
    _either_option_matcher = re.compile(r"\[([^\]]+)\|([^\]]+)\]")
    _camel_re = re.compile(r"([A-Z]+)([a-z])")

_cache = {}  # type: Dict[URLPattern, str]

def _simplify(self, pattern):
        # type: (Union[URLPattern, URLResolver]) -> str
        r"""
        Clean up urlpattern regexes into something readable by humans:

From:
        > "^(?P<sport_slug>\w+)/athletes/(?P<athlete_slug>\w+)/$"

To:
        > "{sport_slug}/athletes/{athlete_slug}/"
        """
        # "new-style" path patterns can be parsed directly without turning them
        # into regexes first
        if (
            RoutePattern is not None
            and hasattr(pattern, "pattern")
            and isinstance(pattern.pattern, RoutePattern)
        ):
            return self._new_style_group_matcher.sub(
                lambda m: "{%s}" % m.group(2), str(pattern.pattern._route)
            )

result = get_regex(pattern).pattern

# remove optional params
        # TODO(dcramer): it'd be nice to change these into [%s] but it currently
        # conflicts with the other rules because we're doing regexp matches
        # rather than parsing tokens
        result = self._optional_group_matcher.sub(lambda m: "%s" % m.group(1), result)

# handle named groups first
        result = self._named_group_matcher.sub(lambda m: "{%s}" % m.group(1), result)

# handle non-named groups
        result = self._non_named_group_matcher.sub("{var}", result)

# handle optional params
        result = self._either_option_matcher.sub(lambda m: m.group(1), result)

# clean up any outstanding regex-y characters.
        result = (
            result.replace("^", "")
            .replace("$", "")
            .replace("?", "")
            .replace("\\A", "")
            .replace("\\Z", "")
            .replace("//", "/")
            .replace("\\", "")
        )

return result

def _resolve(self, resolver, path, parents=None):
        # type: (URLResolver, str, Optional[List[URLResolver]]) -> Optional[str]

match = get_regex(resolver).search(path)  # Django < 2.0

if not match:
            return None

if parents is None:
            parents = [resolver]
        elif resolver not in parents:
            parents = parents + [resolver]

new_path = path[match.end() :]
        for pattern in resolver.url_patterns:
            # this is an include()
            if not pattern.callback:
                match_ = self._resolve(pattern, new_path, parents)
                if match_:
                    return match_
                continue
            elif not get_regex(pattern).search(new_path):
                continue

try:
                return self._cache[pattern]
            except KeyError:
                pass

prefix = "".join(self._simplify(p) for p in parents)
            result = prefix + self._simplify(pattern)
            if not result.startswith("/"):
                result = "/" + result
            self._cache[pattern] = result
            return result

return None

def resolve(
        self,
        path,  # type: str
        urlconf=None,  # type: Union[None, Tuple[URLPattern, URLPattern, URLResolver], Tuple[URLPattern]]
    ):
        # type: (...) -> Optional[str]
        resolver = get_resolver(urlconf)
        match = self._resolve(resolver, path)
        return match

LEGACY_RESOLVER = RavenResolver()

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Name	Size	Perms	Modified	Actions
__pycache__ DIR	-	drwxr-xr-x	2025-12-03 08:02:53	Edit Download recursive recursive
asgi.py	8.15 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
caching.py	6.85 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
middleware.py	5.87 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
signals_handlers.py	3.03 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
templates.py	5.59 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
transactions.py	4.83 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
views.py	3.06 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive
__init__.py	24.66 KB	lrw-r--r--	2025-12-03 08:02:53	Edit Download recursive recursive

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