python: Add build system integration

Add support for creating cockpit-bridge.pyz as a zipapp, containing the
Python bridge, systemd_ctypes, plus a full set of packages from dist/.
Add a target `make pycheck` to run the QUnit tests against this new
bridge package.

.gitignore

@@ -31,6 +31,7 @@ Makefile.in
 /cockpit-*.xz
 /cockpit-askpass
 /cockpit-bridge
+/cockpit-bridge.pyz
 /cockpit-certificate-ensure
 /cockpit-pcp
 /cockpit-session
@@ -73,6 +74,7 @@ Makefile.in
 /src/systemd/cockpit*.service
 /src/systemd/cockpit*.socket
 /src/systemd/cockpit-tempfiles.conf
+/src/systemd_ctypes/
 /src/tls/cockpit-certificate-helper
 /src/ws/cockpit-desktop
 /src/ws/cockpit.appdata.xml
@@ -83,4 +85,5 @@ Makefile.in
 /tools/depcomp
 /tools/install-sh
 /tools/missing
+/tools/py-compile
 /tools/test-driver

Makefile.am

@@ -75,7 +75,7 @@ EXTRA_DIST += \
 check: export VERBOSE=1
 
 TEST_EXTENSIONS = .html .sh
-HTML_LOG_COMPILER = $(top_srcdir)/test/common/tap-cdp --strip=$(abs_top_srcdir)/ ./test-server
+HTML_LOG_COMPILER = $(top_srcdir)/test/common/tap-cdp --strip=$(abs_top_srcdir)/ ./test-server $(COCKPIT_BRIDGE)
 
 VALGRIND_ARGS = --trace-children=yes --quiet --error-exitcode=33 --gen-suppressions=all \
 	$(foreach file,$(wildcard $(srcdir)/tools/*.supp),--suppressions=$(file)) \

src/Makefile.am

@@ -4,6 +4,88 @@ libexec_PROGRAMS =
 libexec_SCRIPTS =
 sbin_PROGRAMS =
 
+# -----------------------------------------------------------------------------
+#  Python
+
+pyTESTS_PASSING = \
+	dist/base1/test-base64.html \
+	dist/base1/test-browser-storage.html \
+	dist/base1/test-cache.html \
+	dist/base1/test-chan.html \
+	dist/base1/test-events.html \
+	dist/base1/test-format.html \
+	dist/base1/test-framed-cache.html \
+	dist/base1/test-journal-renderer.html \
+	dist/base1/test-locale.html \
+	dist/base1/test-location.html \
+	dist/base1/test-metrics.html \
+	dist/base1/test-no-jquery.html \
+	dist/base1/test-permissions.html \
+	dist/base1/test-promise.html \
+	dist/base1/test-protocol.html \
+	dist/base1/test-series.html \
+	dist/base1/test-spawn.html \
+	dist/base1/test-user.html \
+	dist/base1/test-utf8.html \
+	dist/networkmanager/test-utils.html \
+	dist/storaged/test-util.html \
+	$(NULL)
+
+pyTESTS_FAILING = \
+	dist/base1/test-external.html \
+	dist/base1/test-dbus-framed.html \
+	dist/base1/test-framed.html \
+	dist/base1/test-websocket.html \
+	$(NULL)
+
+pyTESTS_HANGING = \
+	dist/base1/test-echo.html \
+	dist/base1/test-dbus-address.html \
+	dist/base1/test-dbus.html \
+	dist/base1/test-file.html \
+	dist/base1/test-spawn-proc.html \
+	dist/kdump/test-config-client.html \
+	dist/base1/test-http.html \
+	$(NULL)
+
+pyTESTS = $(pyTESTS_PASSING) $(pyTESTS_FAILING)
+
+pycheck: cockpit-bridge.pyz
+	$(MAKE) check XFAIL_TESTS='$(pyTESTS_FAILING)' TESTS='$(pyTESTS)' COCKPIT_BRIDGE=./cockpit-bridge.pyz
+
+PYTHON_BRIDGE_FILES = \
+	src/cockpit/__init__.py \
+	src/cockpit/asyncstdio.py \
+	src/cockpit/bridge.py \
+	src/cockpit/channel.py \
+	src/cockpit/channels/dbus.py \
+	src/cockpit/channels/stream.py \
+	src/cockpit/channeltypes.py \
+	src/cockpit/packages.py \
+	src/cockpit/peer.py \
+	src/cockpit/protocol.py \
+	src/cockpit/router.py \
+	$(NULL)
+
+SYSTEMD_CTYPES_STAMP = src/systemd_ctypes/__init__.py
+SYSTEMD_CTYPES_REPO_URL = https://github.com/allisonkarlitskaya/systemd_ctypes
+SYSTEMD_CTYPES_REPO_COMMIT = f08eafe8e542772de66f82d047160f0d391b9e2f
+
+SYSTEMD_CTYPES_REPO_TREE = '$(strip $(SYSTEMD_CTYPES_REPO_COMMIT))^{tree}'
+$(SYSTEMD_CTYPES_STAMP):
+	@git -C '$(srcdir)' rev-list --quiet --objects $(SYSTEMD_CTYPES_REPO_TREE) -- 2>/dev/null || \
+	    git -C '$(srcdir)' fetch --no-tags --no-write-fetch-head --depth=1 $(SYSTEMD_CTYPES_REPO_URL) $(SYSTEMD_CTYPES_REPO_COMMIT)
+	@rm -rf src/systemd_ctypes
+	@mkdir -p src
+	$(AM_V_GEN) git -C '$(srcdir)' archive $(SYSTEMD_CTYPES_REPO_TREE) -- systemd_ctypes | tar --extract -C src
+
+CLEANFILES += cockpit-bridge.pyz
+cockpit-bridge.pyz: $(MANIFESTS) $(PYTHON_BRIDGE_FILES) $(SYSTEMD_CTYPES_STAMP)
+	@rm -rf tmp/pyz
+	@mkdir -p tmp/pyz
+	@cp -r $(srcdir)/dist $(srcdir)/src/cockpit src/systemd_ctypes/ tmp/pyz
+	$(AM_V_GEN) python3 -m zipapp --python /usr/bin/python3 --output $@ --main cockpit.bridge:main tmp/pyz
+
 # -----------------------------------------------------------------------------
 #  C