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bpo-30450: Adds alternate download approach for nuget.exe (#2737)
* bpo-30450: Adds alternate download approach for nuget.exe * Whitespace fix.
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@ -42,7 +42,8 @@
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@echo Downloading nuget...
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@echo Downloading nuget...
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@rem NB: Must use single quotes around NUGET here, NOT double!
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@rem NB: Must use single quotes around NUGET here, NOT double!
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@rem Otherwise, a space in the path would break things
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@rem Otherwise, a space in the path would break things
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@powershell.exe -Command Invoke-WebRequest %_Py_NUGET_URL% -OutFile '%_Py_NUGET%'
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@rem If it fails, retry with any available copy of Python
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@powershell.exe -Command Invoke-WebRequest %_Py_NUGET_URL% -OutFile '%_Py_NUGET%' || @py -c "%~dp0\urlretrieve.py" "%_Py_NUGET_URL%" "%_Py_NUGET%"
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)
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)
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@echo Installing Python via nuget...
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@echo Installing Python via nuget...
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@"%_Py_NUGET%" install pythonx86 -ExcludeVersion -OutputDirectory "%_Py_EXTERNALS_DIR%"
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@"%_Py_NUGET%" install pythonx86 -ExcludeVersion -OutputDirectory "%_Py_EXTERNALS_DIR%"
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39
PCbuild/urlretrieve.py
Normal file
39
PCbuild/urlretrieve.py
Normal file
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@ -0,0 +1,39 @@
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# Simple Python script to download a file. Used as a fallback
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# when other more reliable methods fail.
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#
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from __future__ import print_function
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import sys
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try:
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from requests import get
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except ImportError:
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try:
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from urllib.request import urlretrieve
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USING = "urllib.request.urlretrieve"
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except ImportError:
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try:
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from urllib import urlretrieve
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USING = "urllib.retrieve"
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except ImportError:
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print("Python at", sys.executable, "is not suitable",
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"for downloading files.", file=sys.stderr)
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sys.exit(2)
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else:
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USING = "requests.get"
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def urlretrieve(url, filename):
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r = get(url, stream=True)
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r.raise_for_status()
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with open(filename, 'wb') as f:
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for chunk in r.iter_content(chunk_size=1024):
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f.write(chunk)
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return filename
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if __name__ == '__main__':
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if len(sys.argv) != 3:
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print("Usage: urlretrieve.py [url] [filename]", file=sys.stderr)
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sys.exit(1)
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URL = sys.argv[1]
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FILENAME = sys.argv[2]
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print("Downloading from", URL, "to", FILENAME, "using", USING)
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urlretrieve(URL, FILENAME)
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