in src/openai/_base_client.py [0:0]
def _build_headers(self, options: FinalRequestOptions, *, retries_taken: int = 0) -> httpx.Headers:
custom_headers = options.headers or {}
headers_dict = _merge_mappings(self.default_headers, custom_headers)
self._validate_headers(headers_dict, custom_headers)
# headers are case-insensitive while dictionaries are not.
headers = httpx.Headers(headers_dict)
idempotency_header = self._idempotency_header
if idempotency_header and options.idempotency_key and idempotency_header not in headers:
headers[idempotency_header] = options.idempotency_key
# Don't set these headers if they were already set or removed by the caller. We check
# `custom_headers`, which can contain `Omit()`, instead of `headers` to account for the removal case.
lower_custom_headers = [header.lower() for header in custom_headers]
if "x-stainless-retry-count" not in lower_custom_headers:
headers["x-stainless-retry-count"] = str(retries_taken)
if "x-stainless-read-timeout" not in lower_custom_headers:
timeout = self.timeout if isinstance(options.timeout, NotGiven) else options.timeout
if isinstance(timeout, Timeout):
timeout = timeout.read
if timeout is not None:
headers["x-stainless-read-timeout"] = str(timeout)
return headers