We are currently solving the following issue within our repository. Here is the issue text:
--- BEGIN ISSUE ---
Metrics: Track how often we have error messages with key value pairs
This is to track the impact of #49681

--- END ISSUE ---

Below are some code segments, each from a relevant file. One or more of these files may contain bugs.
--- BEGIN FILES ---
Path: `src/sentry/grouping/strategies/message.py`
Content:
```
1 import re
2 from itertools import islice
3 from typing import Any, Match
4 
5 from sentry.eventstore.models import Event
6 from sentry.grouping.component import GroupingComponent
7 from sentry.grouping.strategies.base import (
8     GroupingContext,
9     ReturnedVariants,
10     produces_variants,
11     strategy,
12 )
13 from sentry.grouping.strategies.similarity_encoders import text_shingle_encoder
14 from sentry.interfaces.message import Message
15 
16 _irrelevant_re = re.compile(
17     r"""(?x)
18     (?P<email>
19         [a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\.[a-zA-Z0-9-]+)*
20     ) |
21     (?P<url>
22         \b(wss?|https?|ftp)://[^\s/$.?#].[^\s]*
23     ) |
24     (?P<ip>
25         (
26             ([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|
27             ([0-9a-fA-F]{1,4}:){1,7}:|
28             ([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|
29             ([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|
30             ([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|
31             ([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|
32             ([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|
33             [0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|
34             :((:[0-9a-fA-F]{1,4}){1,7}|:)|
35             fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|
36             ::(ffff(:0{1,4}){0,1}:){0,1}
37             ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}
38             (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|
39             ([0-9a-fA-F]{1,4}:){1,4}:
40             ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}
41             (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\b
42         ) |
43         (
44             \b((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}
45             (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\b
46         )
47     ) |
48     (?P<uuid>
49         \b
50             [0-9a-fA-F]{8}-
51             [0-9a-fA-F]{4}-
52             [0-9a-fA-F]{4}-
53             [0-9a-fA-F]{4}-
54             [0-9a-fA-F]{12}
55         \b
56     ) |
57     (?P<sha1>
58         \b[0-9a-fA-F]{40}\b
59     ) |
60     (?P<md5>
61         \b[0-9a-fA-F]{32}\b
62     ) |
63     (?P<date>
64         (
65             (\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d\.\d+([+-][0-2]\d:[0-5]\d|Z))|
66             (\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))|
67             (\d{4}-[01]\d-[0-3]\dT[0-2]\d:[0-5]\d([+-][0-2]\d:[0-5]\d|Z))
68         ) |
69         (
70             \b(?:(Sun|Mon|Tue|Wed|Thu|Fri|Sat)\s+)?
71             (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s+
72             ([\d]{1,2})\s+
73             ([\d]{2}:[\d]{2}:[\d]{2})\s+
74             [\d]{4}
75         ) |
76         (
77             \b(?:(Sun|Mon|Tue|Wed|Thu|Fri|Sat),\s+)?
78             (0[1-9]|[1-2]?[\d]|3[01])\s+
79             (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\s+
80             (19[\d]{2}|[2-9][\d]{3})\s+
81             (2[0-3]|[0-1][\d]):([0-5][\d])
82             (?::(60|[0-5][\d]))?\s+
83             ([-\+][\d]{2}[0-5][\d]|(?:UT|GMT|(?:E|C|M|P)(?:ST|DT)|[A-IK-Z]))
84         )
85     ) |
86     (?P<hex>
87         \b0[xX][0-9a-fA-F]+\b
88     ) |
89     (?P<float>
90         -\d+\.\d+\b |
91         \b\d+\.\d+\b
92     ) |
93     (?P<int>
94         -\d+\b |
95         \b\d+\b
96     )
97 """
98 )
99 
100 
101 def trim_message_for_grouping(string: str) -> str:
102     s = "\n".join(islice((x for x in string.splitlines() if x.strip()), 2)).strip()
103     if s != string:
104         s += "..."
105 
106     def _handle_match(match: Match[str]) -> str:
107         for key, value in match.groupdict().items():
108             if value is not None:
109                 return "<%s>" % key
110         return ""
111 
112     return _irrelevant_re.sub(_handle_match, s)
113 
114 
115 @strategy(ids=["message:v1"], interface=Message, score=0)
116 @produces_variants(["default"])
117 def message_v1(
118     interface: Message, event: Event, context: GroupingContext, **meta: Any
119 ) -> ReturnedVariants:
120     if context["trim_message"]:
121         message_in = interface.message or interface.formatted or ""
122         message_trimmed = trim_message_for_grouping(message_in)
123         hint = "stripped common values" if message_in != message_trimmed else None
124         return {
125             context["variant"]: GroupingComponent(
126                 id="message",
127                 values=[message_trimmed],
128                 hint=hint,
129                 similarity_encoder=text_shingle_encoder(5),
130             )
131         }
132     else:
133         return {
134             context["variant"]: GroupingComponent(
135                 id="message",
136                 values=[interface.message or interface.formatted or ""],
137                 similarity_encoder=text_shingle_encoder(5),
138             )
139         }
140
```
--- END FILES ---

Please first localize the bug based on the issue statement, and then generate a patch according to the `git diff` format fenced by three backticks.

Here is an example:

```diff
diff --git a/examples/server_async.py b/examples/server_async.py
--- a/examples/server_async.py
+++ b/examples/server_async.py
@@ -313,4 +313,4 @@
 
 
 if __name__ == "__main__":
-    asyncio.run(run_async_server("."), debug=True)
+    asyncio.run(run_async_server(), debug=True)
diff --git a/examples/server_sync.py b/examples/server_sync.py
--- a/examples/server_sync.py
+++ b/examples/server_sync.py
@@ -313,5 +313,5 @@
 
 
 if __name__ == "__main__":
-    server = run_sync_server(".")
+    server = run_sync_server()
     server.shutdown()

```

diff --git a/src/sentry/grouping/strategies/message.py b/src/sentry/grouping/strategies/message.py
--- a/src/sentry/grouping/strategies/message.py
+++ b/src/sentry/grouping/strategies/message.py
@@ -12,6 +12,7 @@
 )
 from sentry.grouping.strategies.similarity_encoders import text_shingle_encoder
 from sentry.interfaces.message import Message
+from sentry.utils import metrics
 
 _irrelevant_re = re.compile(
     r"""(?x)
@@ -99,6 +100,9 @@
 
 
 def trim_message_for_grouping(string: str) -> str:
+    """Replace values from a group's message to hide P.I.I. and improve grouping when no
+    stacktrace available.
+    """
     s = "\n".join(islice((x for x in string.splitlines() if x.strip()), 2)).strip()
     if s != string:
         s += "..."
@@ -106,7 +110,10 @@
     def _handle_match(match: Match[str]) -> str:
         for key, value in match.groupdict().items():
             if value is not None:
-                return "<%s>" % key
+                # key can be one of the keys from _irrelevant_re, thus, not a large cardinality
+                # tracking the key helps distinguish what kinds of replacements are happening
+                metrics.incr("grouping.value_trimmed_from_message", tags={"key": key})
+                return f"<{key}>"
         return ""
 
     return _irrelevant_re.sub(_handle_match, s)

{"golden_diff": "diff --git a/src/sentry/grouping/strategies/message.py b/src/sentry/grouping/strategies/message.py\n--- a/src/sentry/grouping/strategies/message.py\n+++ b/src/sentry/grouping/strategies/message.py\n@@ -12,6 +12,7 @@\n )\n from sentry.grouping.strategies.similarity_encoders import text_shingle_encoder\n from sentry.interfaces.message import Message\n+from sentry.utils import metrics\n \n _irrelevant_re = re.compile(\n     r\"\"\"(?x)\n@@ -99,6 +100,9 @@\n \n \n def trim_message_for_grouping(string: str) -> str:\n+    \"\"\"Replace values from a group's message to hide P.I.I. and improve grouping when no\n+    stacktrace available.\n+    \"\"\"\n     s = \"\\n\".join(islice((x for x in string.splitlines() if x.strip()), 2)).strip()\n     if s != string:\n         s += \"...\"\n@@ -106,7 +110,10 @@\n     def _handle_match(match: Match[str]) -> str:\n         for key, value in match.groupdict().items():\n             if value is not None:\n-                return \"<%s>\" % key\n+                # key can be one of the keys from _irrelevant_re, thus, not a large cardinality\n+                # tracking the key helps distinguish what kinds of replacements are happening\n+                metrics.incr(\"grouping.value_trimmed_from_message\", tags={\"key\": key})\n+                return f\"<{key}>\"\n         return \"\"\n \n     return _irrelevant_re.sub(_handle_match, s)\n", "issue": "Metrics: Track how often we have error messages with key value pairs\nThis is to track the impact of #49681\n", "before_files": [{"content": "import re\nfrom itertools import islice\nfrom typing import Any, Match\n\nfrom sentry.eventstore.models import Event\nfrom sentry.grouping.component import GroupingComponent\nfrom sentry.grouping.strategies.base import (\n    GroupingContext,\n    ReturnedVariants,\n    produces_variants,\n    strategy,\n)\nfrom sentry.grouping.strategies.similarity_encoders import text_shingle_encoder\nfrom sentry.interfaces.message import Message\n\n_irrelevant_re = re.compile(\n    r\"\"\"(?x)\n    (?P<email>\n        [a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]+)*\n    ) |\n    (?P<url>\n        \\b(wss?|https?|ftp)://[^\\s/$.?#].[^\\s]*\n    ) |\n    (?P<ip>\n        (\n            ([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|\n            ([0-9a-fA-F]{1,4}:){1,7}:|\n            ([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|\n            ([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|\n            ([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|\n            ([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|\n            ([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|\n            [0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|\n            :((:[0-9a-fA-F]{1,4}){1,7}|:)|\n            fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|\n            ::(ffff(:0{1,4}){0,1}:){0,1}\n            ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}\n            (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|\n            ([0-9a-fA-F]{1,4}:){1,4}:\n            ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}\n            (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\b\n        ) |\n        (\n            \\b((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}\n            (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\b\n        )\n    ) |\n    (?P<uuid>\n        \\b\n            [0-9a-fA-F]{8}-\n            [0-9a-fA-F]{4}-\n            [0-9a-fA-F]{4}-\n            [0-9a-fA-F]{4}-\n            [0-9a-fA-F]{12}\n        \\b\n    ) |\n    (?P<sha1>\n        \\b[0-9a-fA-F]{40}\\b\n    ) |\n    (?P<md5>\n        \\b[0-9a-fA-F]{32}\\b\n    ) |\n    (?P<date>\n        (\n            (\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d\\.\\d+([+-][0-2]\\d:[0-5]\\d|Z))|\n            (\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d([+-][0-2]\\d:[0-5]\\d|Z))|\n            (\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d([+-][0-2]\\d:[0-5]\\d|Z))\n        ) |\n        (\n            \\b(?:(Sun|Mon|Tue|Wed|Thu|Fri|Sat)\\s+)?\n            (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s+\n            ([\\d]{1,2})\\s+\n            ([\\d]{2}:[\\d]{2}:[\\d]{2})\\s+\n            [\\d]{4}\n        ) |\n        (\n            \\b(?:(Sun|Mon|Tue|Wed|Thu|Fri|Sat),\\s+)?\n            (0[1-9]|[1-2]?[\\d]|3[01])\\s+\n            (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s+\n            (19[\\d]{2}|[2-9][\\d]{3})\\s+\n            (2[0-3]|[0-1][\\d]):([0-5][\\d])\n            (?::(60|[0-5][\\d]))?\\s+\n            ([-\\+][\\d]{2}[0-5][\\d]|(?:UT|GMT|(?:E|C|M|P)(?:ST|DT)|[A-IK-Z]))\n        )\n    ) |\n    (?P<hex>\n        \\b0[xX][0-9a-fA-F]+\\b\n    ) |\n    (?P<float>\n        -\\d+\\.\\d+\\b |\n        \\b\\d+\\.\\d+\\b\n    ) |\n    (?P<int>\n        -\\d+\\b |\n        \\b\\d+\\b\n    )\n\"\"\"\n)\n\n\ndef trim_message_for_grouping(string: str) -> str:\n    s = \"\\n\".join(islice((x for x in string.splitlines() if x.strip()), 2)).strip()\n    if s != string:\n        s += \"...\"\n\n    def _handle_match(match: Match[str]) -> str:\n        for key, value in match.groupdict().items():\n            if value is not None:\n                return \"<%s>\" % key\n        return \"\"\n\n    return _irrelevant_re.sub(_handle_match, s)\n\n\n@strategy(ids=[\"message:v1\"], interface=Message, score=0)\n@produces_variants([\"default\"])\ndef message_v1(\n    interface: Message, event: Event, context: GroupingContext, **meta: Any\n) -> ReturnedVariants:\n    if context[\"trim_message\"]:\n        message_in = interface.message or interface.formatted or \"\"\n        message_trimmed = trim_message_for_grouping(message_in)\n        hint = \"stripped common values\" if message_in != message_trimmed else None\n        return {\n            context[\"variant\"]: GroupingComponent(\n                id=\"message\",\n                values=[message_trimmed],\n                hint=hint,\n                similarity_encoder=text_shingle_encoder(5),\n            )\n        }\n    else:\n        return {\n            context[\"variant\"]: GroupingComponent(\n                id=\"message\",\n                values=[interface.message or interface.formatted or \"\"],\n                similarity_encoder=text_shingle_encoder(5),\n            )\n        }\n", "path": "src/sentry/grouping/strategies/message.py"}], "after_files": [{"content": "import re\nfrom itertools import islice\nfrom typing import Any, Match\n\nfrom sentry.eventstore.models import Event\nfrom sentry.grouping.component import GroupingComponent\nfrom sentry.grouping.strategies.base import (\n    GroupingContext,\n    ReturnedVariants,\n    produces_variants,\n    strategy,\n)\nfrom sentry.grouping.strategies.similarity_encoders import text_shingle_encoder\nfrom sentry.interfaces.message import Message\nfrom sentry.utils import metrics\n\n_irrelevant_re = re.compile(\n    r\"\"\"(?x)\n    (?P<email>\n        [a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]+)*\n    ) |\n    (?P<url>\n        \\b(wss?|https?|ftp)://[^\\s/$.?#].[^\\s]*\n    ) |\n    (?P<ip>\n        (\n            ([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|\n            ([0-9a-fA-F]{1,4}:){1,7}:|\n            ([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|\n            ([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|\n            ([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|\n            ([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|\n            ([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|\n            [0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|\n            :((:[0-9a-fA-F]{1,4}){1,7}|:)|\n            fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|\n            ::(ffff(:0{1,4}){0,1}:){0,1}\n            ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}\n            (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|\n            ([0-9a-fA-F]{1,4}:){1,4}:\n            ((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}\n            (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\b\n        ) |\n        (\n            \\b((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\.){3,3}\n            (25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\\b\n        )\n    ) |\n    (?P<uuid>\n        \\b\n            [0-9a-fA-F]{8}-\n            [0-9a-fA-F]{4}-\n            [0-9a-fA-F]{4}-\n            [0-9a-fA-F]{4}-\n            [0-9a-fA-F]{12}\n        \\b\n    ) |\n    (?P<sha1>\n        \\b[0-9a-fA-F]{40}\\b\n    ) |\n    (?P<md5>\n        \\b[0-9a-fA-F]{32}\\b\n    ) |\n    (?P<date>\n        (\n            (\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d\\.\\d+([+-][0-2]\\d:[0-5]\\d|Z))|\n            (\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d:[0-5]\\d([+-][0-2]\\d:[0-5]\\d|Z))|\n            (\\d{4}-[01]\\d-[0-3]\\dT[0-2]\\d:[0-5]\\d([+-][0-2]\\d:[0-5]\\d|Z))\n        ) |\n        (\n            \\b(?:(Sun|Mon|Tue|Wed|Thu|Fri|Sat)\\s+)?\n            (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s+\n            ([\\d]{1,2})\\s+\n            ([\\d]{2}:[\\d]{2}:[\\d]{2})\\s+\n            [\\d]{4}\n        ) |\n        (\n            \\b(?:(Sun|Mon|Tue|Wed|Thu|Fri|Sat),\\s+)?\n            (0[1-9]|[1-2]?[\\d]|3[01])\\s+\n            (Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)\\s+\n            (19[\\d]{2}|[2-9][\\d]{3})\\s+\n            (2[0-3]|[0-1][\\d]):([0-5][\\d])\n            (?::(60|[0-5][\\d]))?\\s+\n            ([-\\+][\\d]{2}[0-5][\\d]|(?:UT|GMT|(?:E|C|M|P)(?:ST|DT)|[A-IK-Z]))\n        )\n    ) |\n    (?P<hex>\n        \\b0[xX][0-9a-fA-F]+\\b\n    ) |\n    (?P<float>\n        -\\d+\\.\\d+\\b |\n        \\b\\d+\\.\\d+\\b\n    ) |\n    (?P<int>\n        -\\d+\\b |\n        \\b\\d+\\b\n    )\n\"\"\"\n)\n\n\ndef trim_message_for_grouping(string: str) -> str:\n    \"\"\"Replace values from a group's message to hide P.I.I. and improve grouping when no\n    stacktrace available.\n    \"\"\"\n    s = \"\\n\".join(islice((x for x in string.splitlines() if x.strip()), 2)).strip()\n    if s != string:\n        s += \"...\"\n\n    def _handle_match(match: Match[str]) -> str:\n        for key, value in match.groupdict().items():\n            if value is not None:\n                # key can be one of the keys from _irrelevant_re, thus, not a large cardinality\n                # tracking the key helps distinguish what kinds of replacements are happening\n                metrics.incr(\"grouping.value_trimmed_from_message\", tags={\"key\": key})\n                return f\"<{key}>\"\n        return \"\"\n\n    return _irrelevant_re.sub(_handle_match, s)\n\n\n@strategy(ids=[\"message:v1\"], interface=Message, score=0)\n@produces_variants([\"default\"])\ndef message_v1(\n    interface: Message, event: Event, context: GroupingContext, **meta: Any\n) -> ReturnedVariants:\n    if context[\"trim_message\"]:\n        message_in = interface.message or interface.formatted or \"\"\n        message_trimmed = trim_message_for_grouping(message_in)\n        hint = \"stripped common values\" if message_in != message_trimmed else None\n        return {\n            context[\"variant\"]: GroupingComponent(\n                id=\"message\",\n                values=[message_trimmed],\n                hint=hint,\n                similarity_encoder=text_shingle_encoder(5),\n            )\n        }\n    else:\n        return {\n            context[\"variant\"]: GroupingComponent(\n                id=\"message\",\n                values=[interface.message or interface.formatted or \"\"],\n                similarity_encoder=text_shingle_encoder(5),\n            )\n        }\n", "path": "src/sentry/grouping/strategies/message.py"}]}