18799: Add missing f-string prefix
[arvados.git] / sdk / python / setup.py
index 1c65c4ced8ac8a61b6552279aee9584ef48c3b66..ae8831d623a946e10a809b61dd323377c9d7ece3 100644 (file)
@@ -4,10 +4,13 @@
 # SPDX-License-Identifier: Apache-2.0
 
 from __future__ import absolute_import
+import distutils.command.build
 import os
+import setuptools
 import sys
 import re
 
+from pathlib import Path
 from setuptools import setup, find_packages
 
 SETUP_DIR = os.path.dirname(__file__) or '.'
@@ -21,6 +24,71 @@ if '--short-tests-only' in sys.argv:
     short_tests_only = True
     sys.argv.remove('--short-tests-only')
 
+class BuildDiscoveryPydoc(setuptools.Command):
+    """Run discovery2pydoc as part of the build process
+
+    This class implements a setuptools subcommand, so it follows
+    [the SubCommand protocol][1]. Most of these methods are required by that
+    protocol, except `should_run`, which we register as the subcommand
+    predicate.
+
+    [1]: https://setuptools.pypa.io/en/latest/userguide/extension.html#setuptools.command.build.SubCommand
+    """
+    NAME = 'discovery2pydoc'
+    description = "build skeleton Python from the Arvados discovery document"
+    editable_mode = False
+    user_options = [
+        ('discovery-json=', 'J', 'JSON discovery document used to build pydoc'),
+        ('discovery-output=', 'O', 'relative path to write discovery document pydoc'),
+    ]
+
+    def initialize_options(self):
+        self.build_lib = None
+        self.discovery_json = 'arvados-v1-discovery.json'
+        self.discovery_output = str(Path('arvados', 'api_resources.py'))
+
+    def _relative_path(self, src, optname):
+        retval = Path(src)
+        if retval.is_absolute():
+            raise Exception(f"--{optname} should be a relative path")
+        else:
+            return retval
+
+    def finalize_options(self):
+        # Set self.build_lib to match whatever the build_py subcommand uses.
+        self.set_undefined_options('build_py', ('build_lib', 'build_lib'))
+        self.json_path = self._relative_path(self.discovery_json, 'discovery-json')
+        self.out_path = Path(
+            self.build_lib,
+            self._relative_path(self.discovery_output, 'discovery-output'),
+        )
+
+    def run(self):
+        import discovery2pydoc
+        self.mkpath(str(self.out_path.parent))
+        arglist = ['--output-file', str(self.out_path), str(self.json_path)]
+        returncode = discovery2pydoc.main(arglist)
+        if returncode != 0:
+            raise Exception(f"discovery2pydoc exited {returncode}")
+
+    def should_run(self):
+        return True
+
+    def get_outputs(self):
+        return [str(self.out_path)]
+
+    def get_source_files(self):
+        return [str(self.json_path)]
+
+    def get_output_mapping(self):
+        return {
+            str(self.json_path): str(self.out_path),
+        }
+# Run discovery2pydoc as the first subcommand of build.
+distutils.command.build.build.sub_commands.insert(
+    0, (BuildDiscoveryPydoc.NAME, BuildDiscoveryPydoc.should_run),
+)
+
 setup(name='arvados-python-client',
       version=version,
       description='Arvados client library',
@@ -30,6 +98,9 @@ setup(name='arvados-python-client',
       url="https://arvados.org",
       download_url="https://github.com/arvados/arvados.git",
       license='Apache 2.0',
+      cmdclass={
+          BuildDiscoveryPydoc.NAME: BuildDiscoveryPydoc,
+      },
       packages=find_packages(),
       scripts=[
           'bin/arv-copy',