Coverage for lib/lottie/utils/linediff.py: 0%

1from io import StringIO 

2from difflib import SequenceMatcher 

3from ..exporters import prettyprint 

4 

5 

6def difflines_str(a, b, widtha=None, widthb=None): 

7 lines_a = a.splitlines() 

8 lines_b = b.splitlines() 

9 ia = 0 

10 ib = 0 

11 

12 if widtha is None: 

13 widtha = max(map(len, lines_a)) 

14 if widthb is None: 

15 widthb = max(map(len, lines_b)) 

16 

17 for ja, jb, size in SequenceMatcher(None, lines_a, lines_b, False).get_matching_blocks(): 

18 sideprinter(lines_a[ia:ja], lines_b[ib:jb], widtha, widthb, "\x1b[31m>", "=", "<\x1b[m") 

19 ia = ja+size 

20 ib = jb+size 

21 sideprinter(lines_a[ja:ia], lines_b[jb:ib], widtha, widthb, "\x1b[m ", "|", " \x1b[m") 

22 

23 

24def sideprinter(left, right, widtha=40, widthb=40, prefix="", infix=" | ", suffix=""): 

25 if len(left) > len(right): 

26 right += [""] * (len(left) - len(right)) 

27 else: 

28 left += [""] * (len(right) - len(left)) 

29 for l, r in zip(left, right): 

30 print("".join([prefix, l[:widtha].ljust(widtha), infix, r[:widthb].ljust(widthb), suffix])) 

31 

32 

33def difflines(a, b, widtha=None, widthb=None): 

34 ioa = StringIO() 

35 prettyprint(a, ioa) 

36 iob = StringIO() 

37 prettyprint(b, iob) 

38 difflines_str(ioa.getvalue(), iob.getvalue(), widtha, widthb)