fix(integrations): support complex regex coming from DjangoCMS (#1773)

Fixes GH-1527

Author: mgaligniana

sentry_sdk/integrations/django/transactions.py

@@ -37,7 +37,7 @@ def get_regex(resolver_or_pattern):
 
 class RavenResolver(object):
     _optional_group_matcher = re.compile(r"\(\?\:([^\)]+)\)")
-    _named_group_matcher = re.compile(r"\(\?P<(\w+)>[^\)]+\)+")
+    _named_group_matcher = re.compile(r"\(\?P<(\w+)>.*\)")
     _non_named_group_matcher = re.compile(r"\([^\)]+\)")
     # [foo|bar|baz]
     _either_option_matcher = re.compile(r"\[([^\]]+)\|([^\]]+)\]")

tests/integrations/django/test_transactions.py

@@ -24,6 +24,9 @@
     url(r"^api/(?P<version>(v1|v2))/author/$", lambda x: ""),
     url(r"^report/", lambda x: ""),
     url(r"^example/", include(included_url_conf)),
+    url(
+        r"^(?P<slug>[$\\-_.+!*(),\\w//]+)/$", lambda x: ""
+    ),  # example of complex regex from django-cms
 )
 
 
@@ -53,6 +56,16 @@ def test_legacy_resolver_included_match():
     assert result == "/example/foo/bar/{param}"
 
 
+def test_complex_regex_from_django_cms():
+    """
+    Reference: https://github.com/getsentry/sentry-python/issues/1527
+    """
+
+    resolver = RavenResolver()
+    result = resolver.resolve("/,/", example_url_conf)
+    assert result == "/{slug}/"
+
+
 @pytest.mark.skipif(django.VERSION < (2, 0), reason="Requires Django > 2.0")
 def test_legacy_resolver_newstyle_django20_urlconf():
     from django.urls import path