upstream/mercurial-mirror Files · contrib/Makefile.python

interfaces: make the `peer` mixin not a Protocol to fix Python 3.10 failures...

interfaces: make the `peer` mixin not a Protocol to fix Python 3.10 failures I can't find any documentation on this, but it appears that Protocol class attributes don't get inherited in subclasses that explicitly subclass a Protocol until Python 3.11, which caused a ton of failures in CI on macOS and Windows (which both test using Python 3.9). The problem started with 1df97507c6b8, and typically manifested as most tests failing to access `ui` on various `peer` classes. Here's a short proof of concept: from __future__ import annotations from typing import ( Protocol, ) class peer(Protocol): limitedarguments: bool = False def __init__(self, arg1, arg2, remotehidden: bool = False) -> None: self.arg1 = arg1 self.arg2 = arg2 class subclass(peer): def __init__(self, arg1, arg2): super(subclass, self).__init__(arg1, arg2, False) sub = subclass(1, 2) print("sub.arg1 is %r" % sub.arg1) When run with Python 3.8.10, 3.9.13, and 3.10.11, the result is: $ py -3.8 prot-test.py Traceback (most recent call last): File "prot-test.py", line 20, in <module> print("sub.arg1 is %r" % sub.arg1) AttributeError: 'subclass' object has no attribute 'arg1' On Python 3.11.9, 3.12.7, and 3.13.0, the result is: $ py -3.11 ../prot-test.py sub.arg1 is 1 Explicitly adding annotations to `peer` like `limitedarguments` didn't help.

Antonio Muci - - Load All Authors

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      PYTHONVER=2.7.16

      PYTHONNAME=python-

      PREFIX=$(HOME)/bin/prefix-$(PYTHONNAME)$(PYTHONVER)

      SYMLINKDIR=$(HOME)/bin

      help:

      	@echo

      	@echo 'Make a custom installation of a Python version'

      	@echo

      	@echo 'Common make parameters:'

      	@echo '  PYTHONVER=...    [$(PYTHONVER)]'

      	@echo '  PREFIX=...       [$(PREFIX)]'

      	@echo '  SYMLINKDIR=...   [$(SYMLINKDIR) creating $(PYTHONNAME)$(PYTHONVER)]'

      	@echo

      	@echo 'Common make targets:'

      	@echo '  python    - install Python $$PYTHONVER in $$PREFIX'

      	@echo '  symlink   - create a $$SYMLINKDIR/$(PYTHONNAME)$$PYTHONVER symlink'

      	@echo

      	@echo 'Example: create a temporary Python installation:'

      	@echo '  $$ make -f Makefile.python python PYTHONVER=${PYTHONVER} PREFIX=/tmp/p27'

      	@echo '  $$ /tmp/p27/bin/python -V'

      	@echo '  Python 2.7'

      	@echo

      	@echo 'Some external libraries are required for building Python: zlib bzip2 openssl.'

      	@echo 'Make sure their development packages are installed systemwide.'

      # fedora: yum install zlib-devel bzip2-devel openssl-devel

      # debian: apt-get install zlib1g-dev libbz2-dev libssl-dev

      	@echo

      	@echo 'To build a nice collection of interesting Python versions:'

      	@echo '  $$ for v in 2.{6{,.1,.2,.9},7{,.8,.10}}; do'

      	@echo '    make -f Makefile.python symlink PYTHONVER=$$v || break; done'

      	@echo 'To run a Mercurial test on all these Python versions:'

      	@echo '  $$ for py in `cd ~/bin && ls $(PYTHONNAME)2.*`; do'

      	@echo '    echo $$py; $$py run-tests.py test-http.t; echo; done'

      	@echo

      export LANGUAGE=C

      export LC_ALL=C

      python: $(PREFIX)/bin/python docutils

      	printf 'import sys, zlib, bz2, docutils, ssl' | $(PREFIX)/bin/python

      PYTHON_SRCDIR=Python-$(PYTHONVER)

      PYTHON_SRCFILE=$(PYTHON_SRCDIR).tgz

      $(PREFIX)/bin/python:

      	[ -f $(PYTHON_SRCFILE) ] || wget http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) || curl -OL http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) || [ -f $(PYTHON_SRCFILE) ]

      	rm -rf $(PYTHON_SRCDIR)

      	tar xf $(PYTHON_SRCFILE)

      	# Debian/Ubuntu disables SSLv2,3 the hard way, disable it on old Pythons too

      	-sed -i 's,self.*SSLv[23]_method(),0;//\0,g' $(PYTHON_SRCDIR)/Modules/_ssl.c

      	# Find multiarch system libraries on Ubuntu and disable fortify error when setting argv

      	LDFLAGS="-L/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"; \

      	BASECFLAGS=-U_FORTIFY_SOURCE; \

      	export LDFLAGS BASECFLAGS; \

      	cd $(PYTHON_SRCDIR) && ./configure --prefix=$(PREFIX) && make all SVNVERSION=pwd && make install

      	printf 'import sys, zlib, bz2, ssl' | $(PREFIX)/bin/python

      	rm -rf $(PYTHON_SRCDIR)

      DOCUTILSVER=0.12

      DOCUTILS_SRCDIR=docutils-$(DOCUTILSVER)

      DOCUTILS_SRCFILE=$(DOCUTILS_SRCDIR).tar.gz

      docutils: $(PREFIX)/bin/python

      	@$(PREFIX)/bin/python -c 'import docutils' || ( set -ex; \

      	[ -f $(DOCUTILS_SRCFILE) ] || wget http://downloads.sourceforge.net/project/docutils/docutils/$(DOCUTILSVER)/$(DOCUTILS_SRCFILE) || [ -f $(DOCUTILS_SRCFILE) ]; \

      	rm -rf $(DOCUTILS_SRCDIR); \

      	tar xf $(DOCUTILS_SRCFILE); \

      	cd $(DOCUTILS_SRCDIR) && $(PREFIX)/bin/python setup.py install --prefix=$(PREFIX); \

      	$(PREFIX)/bin/python -c 'import docutils'; \

      	rm -rf $(DOCUTILS_SRCDIR); )

      symlink: python $(SYMLINKDIR)

      	ln -sf $(PREFIX)/bin/python $(SYMLINKDIR)/$(PYTHONNAME)$(PYTHONVER)

      .PHONY: help python docutils symlink

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				PYTHONVER=2.7.16
				PYTHONNAME=python-
				PREFIX=$(HOME)/bin/prefix-$(PYTHONNAME)$(PYTHONVER)
				SYMLINKDIR=$(HOME)/bin

				help:
				@echo
				@echo 'Make a custom installation of a Python version'
				@echo
				@echo 'Common make parameters:'
				@echo ' PYTHONVER=... [$(PYTHONVER)]'
				@echo ' PREFIX=... [$(PREFIX)]'
				@echo ' SYMLINKDIR=... [$(SYMLINKDIR) creating $(PYTHONNAME)$(PYTHONVER)]'
				@echo
				@echo 'Common make targets:'
				@echo ' python - install Python $$PYTHONVER in $$PREFIX'
				@echo ' symlink - create a $$SYMLINKDIR/$(PYTHONNAME)$$PYTHONVER symlink'
				@echo
				@echo 'Example: create a temporary Python installation:'
				@echo ' $$ make -f Makefile.python python PYTHONVER=${PYTHONVER} PREFIX=/tmp/p27'
				@echo ' $$ /tmp/p27/bin/python -V'
				@echo ' Python 2.7'
				@echo
				@echo 'Some external libraries are required for building Python: zlib bzip2 openssl.'
				@echo 'Make sure their development packages are installed systemwide.'
				# fedora: yum install zlib-devel bzip2-devel openssl-devel
				# debian: apt-get install zlib1g-dev libbz2-dev libssl-dev
				@echo
				@echo 'To build a nice collection of interesting Python versions:'
				@echo ' $$ for v in 2.{6{,.1,.2,.9},7{,.8,.10}}; do'
				@echo ' make -f Makefile.python symlink PYTHONVER=$$v \|\| break; done'
				@echo 'To run a Mercurial test on all these Python versions:'
				@echo ' $$ for py in `cd ~/bin && ls $(PYTHONNAME)2.*`; do'
				@echo ' echo $$py; $$py run-tests.py test-http.t; echo; done'
				@echo

				export LANGUAGE=C
				export LC_ALL=C

				python: $(PREFIX)/bin/python docutils
				printf 'import sys, zlib, bz2, docutils, ssl' \| $(PREFIX)/bin/python

				PYTHON_SRCDIR=Python-$(PYTHONVER)
				PYTHON_SRCFILE=$(PYTHON_SRCDIR).tgz

				$(PREFIX)/bin/python:
				[ -f $(PYTHON_SRCFILE) ] \|\| wget http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) \|\| curl -OL http://www.python.org/ftp/python/$(PYTHONVER)/$(PYTHON_SRCFILE) \|\| [ -f $(PYTHON_SRCFILE) ]
				rm -rf $(PYTHON_SRCDIR)
				tar xf $(PYTHON_SRCFILE)
				# Debian/Ubuntu disables SSLv2,3 the hard way, disable it on old Pythons too
				-sed -i 's,self.*SSLv[23]_method(),0;//\0,g' $(PYTHON_SRCDIR)/Modules/_ssl.c
				# Find multiarch system libraries on Ubuntu and disable fortify error when setting argv
				LDFLAGS="-L/usr/lib/`dpkg-architecture -qDEB_HOST_MULTIARCH`"; \
				BASECFLAGS=-U_FORTIFY_SOURCE; \
				export LDFLAGS BASECFLAGS; \
				cd $(PYTHON_SRCDIR) && ./configure --prefix=$(PREFIX) && make all SVNVERSION=pwd && make install
				printf 'import sys, zlib, bz2, ssl' \| $(PREFIX)/bin/python
				rm -rf $(PYTHON_SRCDIR)

				DOCUTILSVER=0.12
				DOCUTILS_SRCDIR=docutils-$(DOCUTILSVER)
				DOCUTILS_SRCFILE=$(DOCUTILS_SRCDIR).tar.gz

				docutils: $(PREFIX)/bin/python
				@$(PREFIX)/bin/python -c 'import docutils' \|\| ( set -ex; \
				[ -f $(DOCUTILS_SRCFILE) ] \|\| wget http://downloads.sourceforge.net/project/docutils/docutils/$(DOCUTILSVER)/$(DOCUTILS_SRCFILE) \|\| [ -f $(DOCUTILS_SRCFILE) ]; \
				rm -rf $(DOCUTILS_SRCDIR); \
				tar xf $(DOCUTILS_SRCFILE); \
				cd $(DOCUTILS_SRCDIR) && $(PREFIX)/bin/python setup.py install --prefix=$(PREFIX); \
				$(PREFIX)/bin/python -c 'import docutils'; \
				rm -rf $(DOCUTILS_SRCDIR); )

				symlink: python $(SYMLINKDIR)
				ln -sf $(PREFIX)/bin/python $(SYMLINKDIR)/$(PYTHONNAME)$(PYTHONVER)

				.PHONY: help python docutils symlink