Coverage for ramose / _constants.py: 100%

1# SPDX-FileCopyrightText: 2018-2021 Silvio Peroni <silvio.peroni@unibo.it> 

2# SPDX-FileCopyrightText: 2020-2021 Marilena Daquino <marilena.daquino2@unibo.it> 

3# SPDX-FileCopyrightText: 2022 Davide Brembilla 

4# SPDX-FileCopyrightText: 2024 Ivan Heibi <ivan.heibi2@unibo.it> 

5# SPDX-FileCopyrightText: 2025 Sergei Slinkin 

6# SPDX-FileCopyrightText: 2026 Arcangelo Massari <arcangelo.massari@unibo.it> 

7# 

8# SPDX-License-Identifier: ISC 

9 

10from requests import Session as _RequestsSession 

11 

12FIELD_TYPE_RE = r"([^\(\s]+)\(([^\)]+)\)" 

13PARAM_NAME = r"{([^{}\(\)]+)}" 

14DEFAULT_HTTP_TIMEOUT = 60 

15FORMAT_PARTS_WITH_MEDIA_TYPE = 3 

16 

17FORMAT_MEDIA_TYPES = { 

18 "json": "application/json", 

19 "csv": "text/csv", 

20} 

21 

22 

23def media_type_for_format(fmt: str) -> str | None: 

24 return FORMAT_MEDIA_TYPES.get((fmt or "").strip().lower()) 

25 

26 

27_http_session = _RequestsSession() 

28 

29_backend_auth: dict[str, str] = {} 

30 

31 

32def backend_auth_header(endpoint_url: str) -> dict[str, str]: 

33 """Return the Authorization header configured for a specific SPARQL endpoint, or an empty dict.""" 

34 value = _backend_auth.get(endpoint_url) 

35 return {"Authorization": value} if value else {}