import os.path
import tokenize

for root, dirs, files in os.walk('.'):
    for name in files:
        if name.endswith('.py'):
            filename = os.path.join(root, name)
            try:
                with open(filename, "rb") as pyfile:
                    encoding = tokenize.detect_encoding(pyfile.readline)[0]
                with open(filename, "r", encoding=encoding) as pyfile:
                    source = pyfile.read()
                compile(source, filename, 'exec')
            except BaseException as e:
                print(filename, ':', e)