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Use python3 if available to run gen_git_source.py.

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gen_git_source.py fails with an "ImportError: No module named builtins" on a default installation of Python 2 (at least, the one that comes with macOS). This can be worked around by installing the "future" package from pip. However, instead of requiring users to go through this extra step, we can simply run the script using Python 3 if it's installed. The script works on a default installation of Python 3, without requiring extra packages.
This commit is contained in:
Camillo Lugaresi 2019-08-15 18:34:41 -07:00
parent 372a2dbe96
commit b82b8d7af3
1 changed files with 3 additions and 0 deletions
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3
third_party/git/git_configure.bzl vendored
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@ -18,6 +18,9 @@ def _get_python_bin(repository_ctx):
python_bin = repository_ctx.os.environ.get(_PYTHON_BIN_PATH) python_bin = repository_ctx.os.environ.get(_PYTHON_BIN_PATH)
if python_bin != None: if python_bin != None:
return python_bin return python_bin
python_bin_path = repository_ctx.which("python3")
if python_bin_path != None:
return str(python_bin_path)
python_bin_path = repository_ctx.which("python") python_bin_path = repository_ctx.which("python")
if python_bin_path != None: if python_bin_path != None:
return str(python_bin_path) return str(python_bin_path)