58 lines
1.5 KiB
Python
58 lines
1.5 KiB
Python
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from functools import wraps
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from tempfile import mkdtemp
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from shutil import rmtree
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from subprocess import check_output
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VERBOSE = True
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def call_verbose(before_message='', after_message='Done!'):
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def tag(f):
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@wraps(f)
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def wrapper(*args, **kwargs):
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print_opt(before_message, end='', flush=True)
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f(*args, **kwargs)
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print_opt(after_message)
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return wrapper
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return tag
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def print_opt(*args, **kwargs):
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if VERBOSE:
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print(*args, **kwargs)
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def yes_no_question(question, default):
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valid = {"yes": True, "y": True, "ye": True,
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"no": False, "n": False}
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if default is None:
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prompt = " [y/n] "
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elif default == "yes":
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prompt = " [Y/n] "
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elif default == "no":
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prompt = " [y/N] "
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else:
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raise ValueError("Invalid default answer: {}!".format(default))
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while True:
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print(question + prompt)
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choice = input().lower()
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if default is not None and choice == '':
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return valid[default]
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elif choice in valid:
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return valid[choice]
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else:
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print("Please respond with 'yes'(y) or 'no'(n)!")
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# tempfile.TemporaryDirectory replacement to provide backwards compatibility
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class temporary_directory:
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def __enter__(self):
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self.name = mkdtemp()
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return self.name
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def __exit__(self, exc_type, exc_val, exc_tb):
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rmtree(self.name)
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def get_output(*args, **kwargs):
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return check_output(*args, **kwargs).decode().rstrip('\n')
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