ceos/fastmcp
1
0
Fork 0
mirror of https://github.com/PrefectHQ/fastmcp.git synced 2026-08-24 06:24:18 +02:00
Code Issues Projects Releases Packages Wiki Activity

Preserve media-type parameters in Content-Type header

Browse source 
Use raw_content_type (with charset etc.) for the outgoing header,
normalized form only for dispatch matching.

🤖 Generated with Claude Code

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
William Easton 2026-04-14 11:14:18 -05:00
commit 7c30184f3b
1 changed files with 6 additions and 4 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/fastmcp/utilities/openapi/director.py
View file

@ -76,11 +76,13 @@ class RequestDirector:
content: str | bytes | None = None
# Step 5: Determine the declared content type from the OpenAPI spec.
# Strip parameters (e.g. "; charset=utf-8") for dispatch matching.
# Use the raw value for outgoing Content-Type headers (preserves
# parameters like charset), but normalize for dispatch matching.
raw_content_type: str | None = None
declared_content_type: str | None = None
if route.request_body and route.request_body.content_schema:
raw_ct = next(iter(route.request_body.content_schema))
declared_content_type = raw_ct.split(";")[0].strip().lower()
raw_content_type = next(iter(route.request_body.content_schema))
declared_content_type = raw_content_type.split(";")[0].strip().lower()
# httpx requires cookie values to be strings; use OpenAPI-style
# serialization (e.g. true/false for booleans, not True/False)
@ -124,7 +126,7 @@ class RequestDirector:
# sets application/json.
content = _json.dumps(body, allow_nan=False).encode("utf-8")
headers = dict(headers) if headers else {}
headers["Content-Type"] = declared_content_type
headers["Content-Type"] = raw_content_type
else:
json_body = body
else: