Coverage for /pythoncovmergedfiles/medio/medio/usr/local/lib/python3.11/site-packages/argcomplete/lexers.py: 95%

1import os 

2 

3from .exceptions import ArgcompleteException 

4from .io import debug 

5from .packages import _shlex 

6 

7 

8def split_line(line, point=None): 

9 if point is None: 

10 point = len(line) 

11 line = line[:point] 

12 lexer = _shlex.shlex(line, posix=True) 

13 lexer.whitespace_split = True 

14 lexer.wordbreaks = os.environ.get("_ARGCOMPLETE_COMP_WORDBREAKS", "") 

15 words = [] 

16 

17 def split_word(word): 

18 # TODO: make this less ugly 

19 point_in_word = len(word) + point - lexer.instream.tell() 

20 if isinstance(lexer.state, (str, bytes)) and lexer.state in lexer.whitespace: 

21 point_in_word += 1 

22 if point_in_word > len(word): 

23 debug("In trailing whitespace") 

24 words.append(word) 

25 word = "" 

26 prefix, suffix = word[:point_in_word], word[point_in_word:] 

27 prequote = "" 

28 # posix 

29 if lexer.state is not None and lexer.state in lexer.quotes: 

30 prequote = lexer.state 

31 # non-posix 

32 # if len(prefix) > 0 and prefix[0] in lexer.quotes: 

33 # prequote, prefix = prefix[0], prefix[1:] 

34 

35 return prequote, prefix, suffix, words, lexer.last_wordbreak_pos 

36 

37 while True: 

38 try: 

39 word = lexer.get_token() 

40 if word == lexer.eof: 

41 # TODO: check if this is ever unsafe 

42 # raise ArgcompleteException("Unexpected end of input") 

43 return "", "", "", words, None 

44 if lexer.instream.tell() >= point: 

45 debug("word", word, "split, lexer state: '{s}'".format(s=lexer.state)) 

46 return split_word(word) 

47 words.append(word) 

48 except ValueError: 

49 debug("word", lexer.token, "split (lexer stopped, state: '{s}')".format(s=lexer.state)) 

50 if lexer.instream.tell() >= point: 

51 return split_word(lexer.token) 

52 else: 

53 msg = ( 

54 "Unexpected internal state. " 

55 "Please report this bug at https://github.com/kislyuk/argcomplete/issues." 

56 ) 

57 raise ArgcompleteException(msg)