[Buildroot] [PATCH] package/python-txtorcon.mk: drop _py3 file for python 2.x to fix pycompile issue

Peter Korsgaard peter at korsgaard.com
Wed Sep 30 06:51:20 UTC 2020


Fixes:
http://autobuild.buildroot.net/results/76b580000e6311e88584874f942517badd6fadf6/

python-txtorcon DOES support python 2.x, but it contains some optional
python 3 / async code in controller_py3.py which is conditionally used from
controller.py:

try:
    from .controller_py3 import _AsyncOnionAuthContext
    HAVE_ASYNC = True
except Exception:
    HAVE_ASYNC = False

pycompile unfortunately errors out on the async code:

../scripts/pycompile.py ..
error:   File "/usr/lib/python2.7/site-packages/txtorcon/controller_py3.py", line 13
    async def __aenter__(self):
            ^
SyntaxError: invalid syntax

As a workaround, simply drop the unusable _py3 file from TARGET_DIR if
building for python 2.x.

Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
---
 package/python-txtorcon/python-txtorcon.mk | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/package/python-txtorcon/python-txtorcon.mk b/package/python-txtorcon/python-txtorcon.mk
index a01c0b2511..e25ce8ba38 100644
--- a/package/python-txtorcon/python-txtorcon.mk
+++ b/package/python-txtorcon/python-txtorcon.mk
@@ -11,4 +11,13 @@ PYTHON_TXTORCON_SETUP_TYPE = setuptools
 PYTHON_TXTORCON_LICENSE = MIT
 PYTHON_TXTORCON_LICENSE_FILES = LICENSE
 
+ifeq ($(BR2_PACKAGE_PYTHON),y)
+# only needed/valid for python 3.x
+define PYTHON_TXTORCON_RM_PY3_FILE
+	rm -f $(TARGET_DIR)//usr/lib/python*/site-packages/txtorcon/controller_py3.py
+endef
+
+PYTHON_TXTORCON_POST_INSTALL_TARGET_HOOKS += PYTHON_TXTORCON_RM_PY3_FILE
+endif
+
 $(eval $(python-package))
-- 
2.20.1



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