33 lines
678 B
Python
33 lines
678 B
Python
import os
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import subprocess
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def download_file(url, dest_dir):
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return subprocess.call(['wget', url, '-O', dest_dir, '--quiet']) == 0
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def unzip_file(filename, dest_dir):
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subprocess.call(['unzip', '-o', filename, '-d', dest_dir])
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def remove_file(filename):
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os.unlink(filename)
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def ensure_dir(d):
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if not os.path.exists(d):
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os.makedirs(d)
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class cd:
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"""Context manager for changing the current working directory"""
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def __init__(self, path):
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self.path = path
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def __enter__(self):
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self.saved_path = os.getcwd()
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os.chdir(self.path)
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def __exit__(self, etype, value, traceback):
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os.chdir(self.saved_path)
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