lateximgbot

[python] Latex image Telegram bot
git clone https://git.torresjrjr.com/lateximgbot.git
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examples.py (847B)

      1 #!/usr/bin/python
      2 
      3 from random import randint
      4 
      5 
      6 def get_random_example():
      7     File = open("examples.tex", 'r')
      8     File.seek(0)
      9 
     10     example_lines  = []
     11     record         = False
     12 
     13     for i, line in enumerate(File):
     14         if i == 0:
     15             if not line.startswith("%TOTAL"):
     16                 raise Exception("No total on first line.")
     17             else:
     18                 total_examples = int( line.split()[1] )
     19                 example_number = randint(1, total_examples)
     20                 continue
     21 
     22         if line.startswith(f"%BEGIN {example_number}"):
     23             record = True
     24             continue
     25 
     26         if line.startswith(f"%END {example_number}"):
     27             record = False
     28             break
     29 
     30         if record:
     31             example_lines += [line]
     32 
     33     example = ''.join(example_lines)
     34     return example
     35 
     36 
     37 print(get_random_example())