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Require Python 3 in bootstrap.py #110439

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Require Python 3 in bootstrap.py #110439

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2 changes: 2 additions & 0 deletions src/bootstrap/bootstrap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,8 @@
except ImportError:
lzma = None

assert sys.version_info.major == 3

if sys.platform == 'win32':
EXE_SUFFIX = ".exe"
else:
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4 changes: 3 additions & 1 deletion x.py
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Expand Up @@ -19,7 +19,9 @@
os.execvp("python3", ["python3"] + sys.argv)
except OSError:
# Python 3 isn't available, fall back to python 2
pass
sys.stderr.write("Could not find Python 3. If you have Python 3 available, use it to invoke x.py.")
sys.stderr.write("If no Python 3 is available, consider installing it: https://www.python.org/downloads/")
exit(1)

rust_dir = os.path.dirname(os.path.abspath(__file__))
# For the import below, have Python search in src/bootstrap first.
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