add convenience for printing info about the library and getting the p…

…dal-plugin-path

.github/workflows/build.yml

@@ -57,7 +57,8 @@ jobs:
 
     - name: Test
       run: |
-        export PDAL_DRIVER_PATH=$(python -c "import pdal; print(pdal.__path__[0])")
+        export PDAL_DRIVER_PATH=$(python -m pdal --pdal-plugin-path)
+        echo $PDAL_DRIVER_PATH
         pdal --drivers --debug
         py.test -v test/
 

src/pdal/__main__.py

@@ -0,0 +1,77 @@
+import sys
+import os
+import pathlib
+
+import distutils.ccompiler
+so_ext = distutils.ccompiler.new_compiler().shared_lib_extension
+import sysconfig
+
+import argparse
+
+import pdal
+
+from . import __version__
+
+__all__ = ["main"]
+
+
+def __dir__() -> list[str]:
+    return __all__
+
+
+def print_driver_path(args):
+    print (os.environ['PDAL_DRIVER_PATH'])
+
+def print_plugin_path(args):
+    purelib = sysconfig.get_paths()["purelib"]+os.path.sep+"pdal"
+
+    if sys.platform == "linux" or sys.platform == "linux2":
+        suffix = 'so'
+        purelib = purelib + os.path.sep + "pdal"
+    elif sys.platform == "darwin":
+        suffix = 'dylib'
+        purelib = purelib + os.path.sep + "pdal"
+    elif sys.platform == "win32":
+        suffix = 'dll'
+        purelib = purelib + os.path.sep + "bin"
+
+    for f in pathlib.Path(purelib).glob(f'*.{suffix}'):
+        if 'pdal' in str(f.name):
+            if 'numpy' in str(f.name) or 'python' in str(f.name):
+                print (purelib)
+                return # we are done
+
+def print_version(args):
+    info = pdal.drivers.libpdalpython.getInfo()
+    pdal_version = info.version
+    plugin = info.plugin
+    debug = info.debug
+
+    line = '----------------------------------------------------------------------------------------------------------------------------\n'
+    version = f'PDAL version {pdal_version}\nPython bindings version {__version__}\n'
+    plugin = f"Environment-set PDAL_DRIVER_PATH: {os.environ['PDAL_DRIVER_PATH']}"
+    output = f'{line}{version}{plugin}\n{line}\n{debug}'
+    print (output)
+
+
+def main() -> None:
+    header = f"PDAL Python bindings {__version__} on Python {sys.version}"
+
+    parser = argparse.ArgumentParser(description=header)
+    parser.add_argument('--pdal-driver-path',  action='store_true',
+                        help='print PDAL_DRIVER_PATH including Python plugin locations')
+    parser.add_argument('--pdal-plugin-path',  action='store_true',
+                        help='print location of PDAL Python plugins')
+
+    args = parser.parse_args()
+
+    if args.pdal_driver_path:
+        print_driver_path(args)
+    elif args.pdal_plugin_path:
+        print_plugin_path(args)
+    else:
+        print_version(args)
+
+
+if __name__ == "__main__":
+    main()