test(agent): Fix VCRpy request header filter for cross-platform cassette reuse (#7040)

- Move filtering logic from tests/vcr/__init__.py to tests/vcr/vcr_filter.py
- Ignore all `X-Stainless-*` headers for cassette matching, e.g. `X-Stainless-OS` and `X-Stainless-Runtime-Version`
- Remove deprecated OpenAI proxy logic
- Reorder methods in vcr_filter.py for readability

2 files changed, 58 insertions, 82 deletions

diff --git a/autogpts/autogpt/tests/vcr/__init__.py b/autogpts/autogpt/tests/vcr/__init__.py
index faef46a68..8d477cfe2 100644
--- a/autogpts/autogpt/tests/vcr/__init__.py
+++ b/autogpts/autogpt/tests/vcr/__init__.py
@@ -10,7 +10,6 @@ from openai._utils import is_given
 from pytest_mock import MockerFixture
 
 from .vcr_filter import (
-    PROXY,
     before_record_request,
     before_record_response,
     freeze_request_body,
@@ -20,15 +19,6 @@ DEFAULT_RECORD_MODE = "new_episodes"
 BASE_VCR_CONFIG = {
     "before_record_request": before_record_request,
     "before_record_response": before_record_response,
-    "filter_headers": [
-        "Authorization",
-        "AGENT-MODE",
-        "AGENT-TYPE",
-        "Cookie",
-        "OpenAI-Organization",
-        "X-OpenAI-Client-User-Agent",
-        "User-Agent",
-    ],
     "match_on": ["method", "headers"],
 }
 
@@ -69,10 +59,6 @@ def cached_openai_client(mocker: MockerFixture) -> OpenAI:
         options.headers = headers
         data: dict = options.json_data
 
-        if PROXY:
-            headers["AGENT-MODE"] = os.environ.get("AGENT_MODE", Omit())
-            headers["AGENT-TYPE"] = os.environ.get("AGENT_TYPE", Omit())
-
         logging.getLogger("cached_openai_client").debug(
             f"Outgoing API request: {headers}\n{data if data else None}"
         )
@@ -82,8 +68,6 @@ def cached_openai_client(mocker: MockerFixture) -> OpenAI:
             freeze_request_body(data), usedforsecurity=False
         ).hexdigest()
 
-    if PROXY:
-        client.base_url = f"{PROXY}/v1"
     mocker.patch.object(
         client,
         "_prepare_options",
diff --git a/autogpts/autogpt/tests/vcr/vcr_filter.py b/autogpts/autogpt/tests/vcr/vcr_filter.py
index 77b65d207..81c269fc5 100644
--- a/autogpts/autogpt/tests/vcr/vcr_filter.py
+++ b/autogpts/autogpt/tests/vcr/vcr_filter.py
@@ -1,16 +1,27 @@
 import contextlib
 import json
-import os
 import re
 from io import BytesIO
-from typing import Any, Dict, List
-from urllib.parse import urlparse, urlunparse
+from typing import Any
 
 from vcr.request import Request
 
-PROXY = os.environ.get("PROXY")
+HOSTNAMES_TO_CACHE: list[str] = [
+    "api.openai.com",
+    "localhost:50337",
+    "duckduckgo.com",
+]
 
-REPLACEMENTS: List[Dict[str, str]] = [
+IGNORE_REQUEST_HEADERS: set[str | re.Pattern] = {
+    "Authorization",
+    "Cookie",
+    "OpenAI-Organization",
+    "X-OpenAI-Client-User-Agent",
+    "User-Agent",
+    re.compile(r"X-Stainless-[\w\-]+", re.IGNORECASE),
+}
+
+LLM_MESSAGE_REPLACEMENTS: list[dict[str, str]] = [
     {
         "regex": r"\w{3} \w{3} {1,2}\d{1,2} \d{2}:\d{2}:\d{2} \d{4}",
         "replacement": "Tue Jan  1 00:00:00 2000",
@@ -21,46 +32,33 @@ REPLACEMENTS: List[Dict[str, str]] = [
     },
 ]
 
-ALLOWED_HOSTNAMES: List[str] = [
-    "api.openai.com",
-    "localhost:50337",
-    "duckduckgo.com",
-]
-
-if PROXY:
-    ALLOWED_HOSTNAMES.append(PROXY)
-    ORIGINAL_URL = PROXY
-else:
-    ORIGINAL_URL = "no_ci"
-
-NEW_URL = "api.openai.com"
-
-
-def replace_message_content(content: str, replacements: List[Dict[str, str]]) -> str:
-    for replacement in replacements:
-        pattern = re.compile(replacement["regex"])
-        content = pattern.sub(replacement["replacement"], content)
+OPENAI_URL = "api.openai.com"
 
-    return content
 
+def before_record_request(request: Request) -> Request | None:
+    if not should_cache_request(request):
+        return None
 
-def freeze_request_body(body: dict) -> bytes:
-    """Remove any dynamic items from the request body"""
+    request = filter_request_headers(request)
+    request = freeze_request(request)
+    return request
 
-    if "messages" not in body:
-        return json.dumps(body, sort_keys=True).encode()
 
-    if "max_tokens" in body:
-        del body["max_tokens"]
+def should_cache_request(request: Request) -> bool:
+    return any(hostname in request.url for hostname in HOSTNAMES_TO_CACHE)
 
-    for message in body["messages"]:
-        if "content" in message and "role" in message:
-            if message["role"] == "system":
-                message["content"] = replace_message_content(
-                    message["content"], REPLACEMENTS
-                )
 
-    return json.dumps(body, sort_keys=True).encode()
+def filter_request_headers(request: Request) -> Request:
+    for header_name in list(request.headers):
+        if any(
+            (
+                (type(ignore) is str and ignore.lower() == header_name.lower())
+                or (isinstance(ignore, re.Pattern) and ignore.match(header_name))
+            )
+            for ignore in IGNORE_REQUEST_HEADERS
+        ):
+            del request.headers[header_name]
+    return request
 
 
 def freeze_request(request: Request) -> Request:
@@ -79,40 +77,34 @@ def freeze_request(request: Request) -> Request:
     return request
 
 
-def before_record_response(response: Dict[str, Any]) -> Dict[str, Any]:
-    if "Transfer-Encoding" in response["headers"]:
-        del response["headers"]["Transfer-Encoding"]
-    return response
-
+def freeze_request_body(body: dict) -> bytes:
+    """Remove any dynamic items from the request body"""
 
-def before_record_request(request: Request) -> Request | None:
-    request = replace_request_hostname(request, ORIGINAL_URL, NEW_URL)
+    if "messages" not in body:
+        return json.dumps(body, sort_keys=True).encode()
 
-    filtered_request = filter_hostnames(request)
-    if not filtered_request:
-        return None
+    if "max_tokens" in body:
+        del body["max_tokens"]
 
-    filtered_request_without_dynamic_data = freeze_request(filtered_request)
-    return filtered_request_without_dynamic_data
+    for message in body["messages"]:
+        if "content" in message and "role" in message:
+            if message["role"] == "system":
+                message["content"] = replace_message_content(
+                    message["content"], LLM_MESSAGE_REPLACEMENTS
+                )
 
+    return json.dumps(body, sort_keys=True).encode()
 
-def replace_request_hostname(
-    request: Request, original_url: str, new_hostname: str
-) -> Request:
-    parsed_url = urlparse(request.uri)
 
-    if parsed_url.hostname in original_url:
-        new_path = parsed_url.path.replace("/proxy_function", "")
-        request.uri = urlunparse(
-            parsed_url._replace(netloc=new_hostname, path=new_path, scheme="https")
-        )
+def replace_message_content(content: str, replacements: list[dict[str, str]]) -> str:
+    for replacement in replacements:
+        pattern = re.compile(replacement["regex"])
+        content = pattern.sub(replacement["replacement"], content)
 
-    return request
+    return content
 
 
-def filter_hostnames(request: Request) -> Request | None:
-    # Add your implementation here for filtering hostnames
-    if any(hostname in request.url for hostname in ALLOWED_HOSTNAMES):
-        return request
-    else:
-        return None
+def before_record_response(response: dict[str, Any]) -> dict[str, Any]:
+    if "Transfer-Encoding" in response["headers"]:
+        del response["headers"]["Transfer-Encoding"]
+    return response