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Fix bootstrap install script on windows (#1162)

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Windows doesn't support symlinks, doesn't use a `bin` directory and all
pythons are called `python.exe`.

Note that this is still broken, `.\bin\python3.10.13` is missing its
.exe extension and renaming it to `.\bin\python3.10.13.exe` makes it
complain about not finding python310.dll.
This commit is contained in:
konsti 2024-02-03 17:30:01 +01:00 • committed by GitHub
parent bc2f8f5b1e
commit 0199ad64bb
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GPG key ID: B5690EEEBB952194
1 changed files with 22 additions and 10 deletions
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32
scripts/bootstrap/install.py
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@ -1,4 +1,10 @@
#!/usr/bin/env python3
# /// script
# requires-python = ">=3.11"
# dependencies = [
# "zstandard==0.22.0",
# ]
# ///
#
# Download required Python versions and install to `bin`
# Uses prebuilt Python distributions from indygreg/python-build-standalone
@ -13,6 +19,10 @@
#
# python scripts/bootstrap/install.py
#
# Or
#
# pipx run scripts/bootstrap/install.py
#
# The Python versions are installed from `.python_versions`.
# Python versions are linked in-order such that the _last_ defined version will be the default.
#
@ -96,8 +106,8 @@ for version in versions:
print(f"No matching download for {key}")
sys.exit(1)
filename = url.split("/")[-1]
if not install_dir.exists():
filename = url.split("/")[-1]
print(f"Downloading {urllib.parse.unquote(filename)}")
download_path = THIS_DIR / filename
with urllib.request.urlopen(url) as response:
@ -129,28 +139,30 @@ for version in versions:
already_exists = True
print("Already available, skipping download")
# Use relative paths for links so if the bin is moved they don't break
executable = "." / install_dir.relative_to(BIN_DIR) / "install" / "bin" / "python3"
if PLATFORM == "win32":
executable = executable.with_suffix(".exe")
executable = install_dir / "install" / "python.exe"
else:
# Use relative paths for links so if the bin is moved they don't break
executable = "." / install_dir.relative_to(BIN_DIR) / "install" / "bin" / "python3"
major = versions_metadata[key]["major"]
minor = versions_metadata[key]["minor"]
# Link as all version tuples, later versions in the file will take precedence
BIN_DIR.mkdir(parents=True, exist_ok=True)
targets = (
targets = [
(BIN_DIR / f"python{version}"),
(BIN_DIR / f"python{major}.{minor}"),
(BIN_DIR / f"python{major}"),
(BIN_DIR / "python"),
)
]
for target in targets:
if PLATFORM == "win32":
target = target.with_suffix(".exe")
target.unlink(missing_ok=True)
target.symlink_to(executable)
if PLATFORM == "win32":
target.hardlink_to(executable)
else:
target.symlink_to(executable)
if already_exists:
print(f"Updated executables for python{version}")