Translates Java Code in the working directory and all subdirectories to a specific language (e.g. German). The results are usually hilarious.

javaTranslator.py

from translate_api.translate_api import api
import re
import glob
import os

cache = dict()

def camelCaseSplit(identifier):
  matches = re.finditer('.+?(?:(?<=[a-z])(?=[A-Z])|(?<=[A-Z])(?=[A-Z][a-z])|$)', identifier)
  return [m.group(0) for m in matches]

def translate(word):
  words = camelCaseSplit(word)
  translated = []
  for x in words:
    if x not in cache:
      translation = api(x, "en", targetLang, "https://translate.google.com")
      if x[0].isupper():
        translated.append(translation.title())
      else:
        translated.append(translation)
      cache[x] = translation
    else:
      translated.append(cache[x])
    
  return "".join(translated)


targetLang = input("Enter the target language (e.g 'de'):")
print("Starting. This may take a while.")

for f in glob.iglob(os.getcwd() + "/**/*.java", recursive=True):
  print("opening file " + f)
  with open(f, "r") as file:
    text = file.read()

  lines = text.splitlines()
  finaltext = []
  
  for i in range(len(lines)):
    print("translating line " + str(i + 1) + " of " + str(len(lines)) + "...")
    line = lines[i].split()

    for j in range(len(line)):
      line[j] = translate(line[j])
    
    lines[i] = " ".join(line).strip()

  print("done, saving...")
  with open(f, 'w') as file:
    file.write("\n".join(lines).strip())