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Choose the version of python at runtime (portable version) #80625

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Jan 15, 2021
Merged

Choose the version of python at runtime (portable version) #80625

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16 changes: 16 additions & 0 deletions x.py
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,22 @@

import os
import sys

# If this is python2, check if python3 is available and re-execute with that
# interpreter.
if sys.version_info.major < 3:
try:
# On Windows, `py -3` sometimes works.
# Try this first, because 'python3' sometimes tries to launch the app
# store on Windows
os.execvp("py", ["py", "-3"] + sys.argv)
except OSError:
try:
os.execvp("python3", ["python3"] + sys.argv)
except OSError:
# Python 3 isn't available, fall back to python 2
pass

rust_dir = os.path.dirname(os.path.abspath(__file__))
sys.path.append(os.path.join(rust_dir, "src", "bootstrap"))

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