bindings/python-cffi: copy version file into bindings dir

Attempt to avoid breaking "pip install ."

As far as I can tell, we need to have a copy (not just a relative
symlink) of the version file.

Makefile.local

@@ -54,6 +54,7 @@ update-versions:
 	sed -i -e "s/^__VERSION__[[:blank:]]*=.*$$/__VERSION__ = \'${VERSION}\'/" \
 	    -e "s/^SOVERSION[[:blank:]]*=.*$$/SOVERSION = \'${LIBNOTMUCH_VERSION_MAJOR}\'/" \
 	    ${PV_FILE}
+	cp version bindings/python-cffi
 
 # We invoke make recursively only to force ordering of our phony
 # targets in the case of parallel invocation of make (-j).

bindings/python-cffi/setup.py

@@ -1,14 +1,8 @@
-import pathlib
-
 import setuptools
 
-
-THIS_FILE = pathlib.Path(__file__).absolute()
-PROJECT_ROOT = THIS_FILE.parent.parent.parent
-with open(PROJECT_ROOT.joinpath('version')) as fp:
+with open('version') as fp:
     VERSION = fp.read().strip()
 
-
 setuptools.setup(
     name='notmuch2',
     version=VERSION,

bindings/python-cffi/version

@@ -0,0 +1 @@
+0.30~rc2