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4 changes: 4 additions & 0 deletions fishjam/_openapi_client/client.py
Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,8 @@
import httpx
from attrs import define, evolve, field

from fishjam.version import get_version


@define
class Client:
Expand Down Expand Up @@ -229,6 +231,7 @@ def get_httpx_client(self) -> httpx.Client:
self._headers[self.auth_header_name] = (
f"{self.prefix} {self.token}" if self.prefix else self.token
)
self._headers["x-fishjam-api-client"] = f"python-server-{get_version()}"
self._client = httpx.Client(
base_url=self._base_url,
cookies=self._cookies,
Expand Down Expand Up @@ -265,6 +268,7 @@ def get_async_httpx_client(self) -> httpx.AsyncClient:
self._headers[self.auth_header_name] = (
f"{self.prefix} {self.token}" if self.prefix else self.token
)
self._headers["x-fishjam-api-client"] = f"python-server-{get_version()}"
self._async_client = httpx.AsyncClient(
base_url=self._base_url,
cookies=self._cookies,
Expand Down
193 changes: 193 additions & 0 deletions templates/openapi/client.py.jinja
Original file line number Diff line number Diff line change
@@ -0,0 +1,193 @@
import ssl
from typing import Any, Union, Optional

from attrs import define, field, evolve
import httpx

from fishjam.version import get_version


{% set attrs_info = {
"raise_on_unexpected_status": namespace(
type="bool",
default="field(default=False, kw_only=True)",
docstring="Whether or not to raise an errors.UnexpectedStatus if the API returns a status code"
" that was not documented in the source OpenAPI document. Can also be provided as a keyword"
" argument to the constructor."
),
"token": namespace(type="str", default="", docstring="The token to use for authentication"),
"prefix": namespace(type="str", default='"Bearer"', docstring="The prefix to use for the Authorization header"),
"auth_header_name": namespace(type="str", default='"Authorization"', docstring="The name of the Authorization header"),
} %}

{% macro attr_in_class_docstring(name) %}
{{ name }}: {{ attrs_info[name].docstring }}
{%- endmacro %}

{% macro declare_attr(name) %}
{% set attr = attrs_info[name] %}
{{ name }}: {{ attr.type }}{% if attr.default %} = {{ attr.default }}{% endif %}
{% if attr.docstring and config.docstrings_on_attributes +%}
"""{{ attr.docstring }}"""
{%- endif %}
{% endmacro %}

@define
class Client:
"""A class for keeping track of data related to the API

{% macro httpx_args_docstring() %}
The following are accepted as keyword arguments and will be used to construct httpx Clients internally:

``base_url``: The base URL for the API, all requests are made to a relative path to this URL

``cookies``: A dictionary of cookies to be sent with every request

``headers``: A dictionary of headers to be sent with every request

``timeout``: The maximum amount of a time a request can take. API functions will raise
httpx.TimeoutException if this is exceeded.

``verify_ssl``: Whether or not to verify the SSL certificate of the API server. This should be True in production,
but can be set to False for testing purposes.

``follow_redirects``: Whether or not to follow redirects. Default value is False.

``httpx_args``: A dictionary of additional arguments to be passed to the ``httpx.Client`` and ``httpx.AsyncClient`` constructor.
{% endmacro %}
{{ httpx_args_docstring() }}
{% if not config.docstrings_on_attributes %}

Attributes:
{{ attr_in_class_docstring("raise_on_unexpected_status") | wordwrap(101) | indent(12) }}
{% endif %}
"""
{% macro attributes() %}
{{ declare_attr("raise_on_unexpected_status") | indent(4) }}
_base_url: str = field(alias="base_url")
_cookies: dict[str, str] = field(factory=dict, kw_only=True, alias="cookies")
_headers: dict[str, str] = field(factory=dict, kw_only=True, alias="headers")
_timeout: Optional[httpx.Timeout] = field(default=None, kw_only=True, alias="timeout")
_verify_ssl: Union[str, bool, ssl.SSLContext] = field(default=True, kw_only=True, alias="verify_ssl")
_follow_redirects: bool = field(default=False, kw_only=True, alias="follow_redirects")
_httpx_args: dict[str, Any] = field(factory=dict, kw_only=True, alias="httpx_args")
_client: Optional[httpx.Client] = field(default=None, init=False)
_async_client: Optional[httpx.AsyncClient] = field(default=None, init=False)
{% endmacro %}{{ attributes() }}
{% macro builders(self) %}
def with_headers(self, headers: dict[str, str]) -> "{{ self }}":
"""Get a new client matching this one with additional headers"""
if self._client is not None:
self._client.headers.update(headers)
if self._async_client is not None:
self._async_client.headers.update(headers)
return evolve(self, headers={**self._headers, **headers})

def with_cookies(self, cookies: dict[str, str]) -> "{{ self }}":
"""Get a new client matching this one with additional cookies"""
if self._client is not None:
self._client.cookies.update(cookies)
if self._async_client is not None:
self._async_client.cookies.update(cookies)
return evolve(self, cookies={**self._cookies, **cookies})

def with_timeout(self, timeout: httpx.Timeout) -> "{{ self }}":
"""Get a new client matching this one with a new timeout (in seconds)"""
if self._client is not None:
self._client.timeout = timeout
if self._async_client is not None:
self._async_client.timeout = timeout
return evolve(self, timeout=timeout)
{% endmacro %}{{ builders("Client") }}
{% macro httpx_stuff(name, custom_constructor=None) %}
def set_httpx_client(self, client: httpx.Client) -> "{{ name }}":
"""Manually set the underlying httpx.Client

**NOTE**: This will override any other settings on the client, including cookies, headers, and timeout.
"""
self._client = client
return self

def get_httpx_client(self) -> httpx.Client:
"""Get the underlying httpx.Client, constructing a new one if not previously set"""
if self._client is None:
{% if custom_constructor %}
{{ custom_constructor | indent(12) }}
{% endif %}
self._client = httpx.Client(
base_url=self._base_url,
cookies=self._cookies,
headers=self._headers,
timeout=self._timeout,
verify=self._verify_ssl,
follow_redirects=self._follow_redirects,
**self._httpx_args,
)
return self._client

def __enter__(self) -> "{{ name }}":
"""Enter a context manager for self.client—you cannot enter twice (see httpx docs)"""
self.get_httpx_client().__enter__()
return self

def __exit__(self, *args: Any, **kwargs: Any) -> None:
"""Exit a context manager for internal httpx.Client (see httpx docs)"""
self.get_httpx_client().__exit__(*args, **kwargs)

def set_async_httpx_client(self, async_client: httpx.AsyncClient) -> "{{ name }}":
"""Manually the underlying httpx.AsyncClient

**NOTE**: This will override any other settings on the client, including cookies, headers, and timeout.
"""
self._async_client = async_client
return self

def get_async_httpx_client(self) -> httpx.AsyncClient:
"""Get the underlying httpx.AsyncClient, constructing a new one if not previously set"""
if self._async_client is None:
{% if custom_constructor %}
{{ custom_constructor | indent(12) }}
{% endif %}
self._async_client = httpx.AsyncClient(
base_url=self._base_url,
cookies=self._cookies,
headers=self._headers,
timeout=self._timeout,
verify=self._verify_ssl,
follow_redirects=self._follow_redirects,
**self._httpx_args,
)
return self._async_client

async def __aenter__(self) -> "{{ name }}":
"""Enter a context manager for underlying httpx.AsyncClient—you cannot enter twice (see httpx docs)"""
await self.get_async_httpx_client().__aenter__()
return self

async def __aexit__(self, *args: Any, **kwargs: Any) -> None:
"""Exit a context manager for underlying httpx.AsyncClient (see httpx docs)"""
await self.get_async_httpx_client().__aexit__(*args, **kwargs)
{% endmacro %}{{ httpx_stuff("Client") }}

@define
class AuthenticatedClient:
"""A Client which has been authenticated for use on secured endpoints

{{ httpx_args_docstring() }}
{% if not config.docstrings_on_attributes %}

Attributes:
{{ attr_in_class_docstring("raise_on_unexpected_status") | wordwrap(101) | indent(12) }}
{{ attr_in_class_docstring("token") | indent(8) }}
{{ attr_in_class_docstring("prefix") | indent(8) }}
{{ attr_in_class_docstring("auth_header_name") | indent(8) }}
{% endif %}
"""

{{ attributes() }}
{{ declare_attr("token") | indent(4) }}
{{ declare_attr("prefix") | indent(4) }}
{{ declare_attr("auth_header_name") | indent(4) }}

{{ builders("AuthenticatedClient") }}
{{ httpx_stuff("AuthenticatedClient", "self._headers[self.auth_header_name] = f\"{self.prefix} {self.token}\" if self.prefix else self.token; self._headers[\"x-fishjam-api-client\"] = f\"python-server-{get_version()}\"") }}
41 changes: 41 additions & 0 deletions tests/test_openapi_client_headers.py
Original file line number Diff line number Diff line change
@@ -0,0 +1,41 @@
import pytest

from fishjam._openapi_client.client import AuthenticatedClient
from fishjam.version import get_version


def test_authenticated_client_sets_sdk_and_auth_headers_sync():
client = AuthenticatedClient(
base_url="https://example.com",
token="token123",
headers={"custom": "value"},
)

httpx_client = client.get_httpx_client()
try:
headers = httpx_client.headers

assert headers[client.auth_header_name] == "Bearer token123"
assert headers[client.api_header_name] == f"{client.api_prefix}-{get_version()}"
assert headers["custom"] == "value"
finally:
httpx_client.close()


@pytest.mark.asyncio
async def test_authenticated_client_sets_sdk_and_auth_headers_async():
client = AuthenticatedClient(
base_url="https://example.com",
token="token456",
headers={"another": "header"},
)

async_client = client.get_async_httpx_client()
try:
headers = async_client.headers

assert headers[client.auth_header_name] == "Bearer token456"
assert headers[client.api_header_name] == f"{client.api_prefix}-{get_version()}"
assert headers["another"] == "header"
finally:
await async_client.aclose()
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