Coverage for /var/srv/projects/api.amasfac.comuna18.com/tmp/venv/lib/python3.9/site-packages/requests/_internal_utils.py: 43%

1""" 

2requests._internal_utils 

3~~~~~~~~~~~~~~ 

4 

5Provides utility functions that are consumed internally by Requests 

6which depend on extremely few external helpers (such as compat) 

7""" 

8import re 

9 

10from .compat import builtin_str 

11 

12_VALID_HEADER_NAME_RE_BYTE = re.compile(rb"^[^:\s][^:\r\n]*$") 

13_VALID_HEADER_NAME_RE_STR = re.compile(r"^[^:\s][^:\r\n]*$") 

14_VALID_HEADER_VALUE_RE_BYTE = re.compile(rb"^\S[^\r\n]*$|^$") 

15_VALID_HEADER_VALUE_RE_STR = re.compile(r"^\S[^\r\n]*$|^$") 

16 

17HEADER_VALIDATORS = { 

18 bytes: (_VALID_HEADER_NAME_RE_BYTE, _VALID_HEADER_VALUE_RE_BYTE), 

19 str: (_VALID_HEADER_NAME_RE_STR, _VALID_HEADER_VALUE_RE_STR), 

20} 

21 

22 

23def to_native_string(string, encoding="ascii"): 

24 """Given a string object, regardless of type, returns a representation of 

25 that string in the native string type, encoding and decoding where 

26 necessary. This assumes ASCII unless told otherwise. 

27 """ 

28 if isinstance(string, builtin_str): 

29 out = string 

30 else: 

31 out = string.decode(encoding) 

32 

33 return out 

34 

35 

36def unicode_is_ascii(u_string): 

37 """Determine if unicode string only contains ASCII characters. 

38 

39 :param str u_string: unicode string to check. Must be unicode 

40 and not Python 2 `str`. 

41 :rtype: bool 

42 """ 

43 assert isinstance(u_string, str) 

44 try: 

45 u_string.encode("ascii") 

46 return True 

47 except UnicodeEncodeError: 

48 return False