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build: find Python 3 or Python 2 in configure

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PR-URL: https://github.com/nodejs/node/pull/25878
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
This commit is contained in:
cclauss 2019-02-01 14:51:37 +01:00 committed by Rich Trott
parent f2e35ff691
commit be926c7e21
1 changed files with 22 additions and 16 deletions
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38
configure vendored
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@ -1,28 +1,34 @@
#!/bin/sh
# Locate python2 interpreter and re-execute the script. Note that the
# mix of single and double quotes is intentional, as is the fact that
# the ] goes on a new line.
# Locate an acceptable python interpreter and then re-execute the script.
# Note that the mix of single and double quotes is intentional,
# as is the fact that the ] goes on a new line.
# When a 'which' call is made for a specific version of Python on Travis CI,
# pyenv will alert which shims are available and then will fail the build.
_=[ 'exec' '/bin/sh' '-c' '''
test ${TRAVIS} && exec python "$0" "$@" # workaround for pyenv on Travis CI
which python2.7 >/dev/null && exec python2.7 "$0" "$@"
which python2 >/dev/null && exec python2 "$0" "$@"
which python3.7 >/dev/null && exec python3.7 "$0" "$@"
which python3.6 >/dev/null && exec python3.6 "$0" "$@"
which python3.5 >/dev/null && exec python3.5 "$0" "$@"
exec python "$0" "$@"
''' "$0" "$@"
]
del _
import sys
from distutils.spawn import find_executable as which
if sys.version_info[:2] != (2, 7):
sys.stderr.write('Please use Python 2.7')
python2 = which('python2') or which('python2.7')
if python2:
sys.stderr.write(':\n\n')
sys.stderr.write(' ' + python2 + ' ' + ' '.join(sys.argv))
sys.stderr.write('\n')
sys.exit(1)
from distutils.spawn import find_executable
print('Node configure: Found Python {0}.{1}.{2}...'.format(*sys.version_info))
acceptable_pythons = ((2, 7), (3, 7), (3, 6), (3, 5))
if sys.version_info[:2] in acceptable_pythons:
import configure
else:
python_cmds = ['python{0}.{1}'.format(*vers) for vers in acceptable_pythons]
sys.stderr.write('Please use {0}.\n'.format(' or '.join(python_cmds)))
for python_cmd in python_cmds:
python_cmd_path = find_executable(python_cmd)
if python_cmd_path and 'pyenv/shims' not in python_cmd_path:
sys.stderr.write('\t{0} {1}\n'.format(python_cmd_path,
' '.join(sys.argv[:1])))
sys.exit(1)