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PCbuild/urlretrieve.py
39 строк
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Steve Dower
bpo-30450: Adds alternate download approach for nuget.exe (#2737)
17 июл 2017, 15:55
17 июл 2017, 15:55
588836d
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# Simple Python script to download a file. Used as a fallback # when other more reliable methods fail. # from __future__ import print_function import sys try: from requests import get except ImportError: try: from urllib.request import urlretrieve USING = "urllib.request.urlretrieve" except ImportError: try: from urllib import urlretrieve USING = "urllib.retrieve" except ImportError: print("Python at", sys.executable, "is not suitable", "for downloading files.", file=sys.stderr) sys.exit(2) else: USING = "requests.get" def urlretrieve(url, filename): r = get(url, stream=True) r.raise_for_status() with open(filename, 'wb') as f: for chunk in r.iter_content(chunk_size=1024): f.write(chunk) return filename if __name__ == '__main__': if len(sys.argv) != 3: print("Usage: urlretrieve.py [url] [filename]", file=sys.stderr) sys.exit(1) URL = sys.argv[1] FILENAME = sys.argv[2] print("Downloading from", URL, "to", FILENAME, "using", USING) urlretrieve(URL, FILENAME)