pyln: Derive version from git for pyln-client

.github/scripts/build.sh

@@ -22,7 +22,7 @@ export FUZZING=${FUZZING:-0}
 
 env
 
-pip3 install --user -U -r requirements.txt
+pip3 install --user -U -r requirements.txt --use-feature=in-tree-build
 
 # Install utilities that aren't dependencies, but make
 # running tests easier/feasible on CI (and pytest which

contrib/pyln-client/.gitignore

@@ -0,0 +1 @@
+pyln/client/__version__.py

contrib/pyln-client/pyln/client/__init__.py

@@ -1,8 +1,7 @@
 from .lightning import LightningRpc, RpcError, Millisatoshi
 from .plugin import Plugin, monkey_patch, RpcException
 from .gossmap import Gossmap, GossmapNode, GossmapChannel, GossmapNodeId
-
-__version__ = "0.10.1"
+from .__version__ import __version__
 
 
 __all__ = [

contrib/pyln-client/setup.py

@@ -8,14 +8,8 @@ with io.open('README.md', encoding='utf-8') as f:
 with io.open('requirements.txt', encoding='utf-8') as f:
     requirements = [r for r in f.read().split('\n') if len(r)]
 
-# setup shouldn't try to load module, so we hack-parse __init__.py
-with io.open('pyln/client/__init__.py', encoding='utf-8') as f:
-    for line in f.read().split('\n'):
-        if line.startswith('__version__ = "'):
-            version = line.split('"')[1]
 
 setup(name='pyln-client',
-      version=version,
       description='Client library for lightningd',
       long_description=long_description,
       long_description_content_type='text/markdown',
@@ -26,4 +20,13 @@ setup(name='pyln-client',
       packages=['pyln.client'],
       scripts=[],
       zip_safe=True,
+      use_scm_version={
+          "root": "../..",
+          "relative_to": __file__,
+          "write_to": "contrib/pyln-client/pyln/client/__version__.py",
+          "write_to_template": "__version__ = \"{version}\"\n",
+          "version_scheme": "post-release",
+          "local_scheme": "no-local-version",
+      },
+      setup_requires=["setuptools_scm"],
       install_requires=requirements)