Commit3dc5366

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Bootstrappip in Cygwin Python 3.12 venv in a separate step

This works around a problem in Python 3.12 on Cygwin where `pip`fails to intall in a venv via `ensurepip` (both implicitly when thevenv is created normally, and explicitly when `python -m ensurepip`is attempted), by creating the venv with `--without-pip` and then,once the venv is set up, bootstrapping `pip` in it by running thehttps://bootstrap.pypa.io/get-pip.py script.Eventually, when `pip` is working automatically in a venv inPython 3.12 on Cygwin (the problem is specific to that combination,and the Cygwin `python312*` packages are still marked "test"), thisspecial-casing can be removed.

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- cygwin-test.yml

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`‎.github/workflows/cygwin-test.yml`

Lines changed: 9 additions & 4 deletions

Original file line number	Diff line number	Diff line change
`@@ -12,10 +12,10 @@ jobs:`
`12`	`12`	`include:`
`13`	`13`	`-python-version:"3.9"`
`14`	`14`	`python-cygwin:python39`
`15`		`-python-command:python3.9`
	`15`	`+venv-args:''`
`16`	`16`	`-python-version:"3.12"`
`17`	`17`	`python-cygwin:python312`
`18`		`-python-command:python3.12`
	`18`	`+venv-args:--without-pip`
`19`	`19`
`20`	`20`	`fail-fast:false`
`21`	`21`
`@@ -40,7 +40,7 @@ jobs:`
`40`	`40`	`-name:Set up Cygwin`
`41`	`41`	`uses:egor-tensin/setup-cygwin@v4`
`42`	`42`	`with:`
`43`		`-packages:${{ matrix.python-cygwin }} ${{ matrix.python-cygwin }}-pip ${{ matrix.python-cygwin }}-virtualenv git`
	`43`	`+packages:${{ matrix.python-cygwin }} ${{ matrix.python-cygwin }}-pip ${{ matrix.python-cygwin }}-virtualenv git wget`
`44`	`44`
`45`	`45`	`-name:Arrange for verbose output`
`46`	`46`	`run:\|`
`@@ -67,9 +67,14 @@ jobs:`
`67`	`67`
`68`	`68`	`-name:Set up virtualenv`
`69`	`69`	`run:\|`
`70`		`- ${{ matrix.python-command }} -m venv .venv`
	`70`	`+python${{ matrix.python-version }} -m venv ${{ matrix.venv-args }} .venv`
`71`	`71`	`echo 'BASH_ENV=.venv/bin/activate' >>"$GITHUB_ENV"`
`72`	`72`
	`73`	`+ -name:Bootstrap pip in virtualenv`
	`74`	`+if:contains(matrix.venv-args, '--without-pip')`
	`75`	`+run:\|`
	`76`	`+ wget -qO- https://bootstrap.pypa.io/get-pip.py \| python`
	`77`	`+`
`73`	`78`	`-name:Update PyPA packages`
`74`	`79`	`run:\|`
`75`	`80`	`# Get the latest pip, wheel, and prior to Python 3.12, setuptools.`

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