release commit

biocypher/_metadata.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python
+#
+# Copyright 2021, Heidelberg University Clinic
+#
+# File author(s): Sebastian Lobentanzer
+#                 ...
+#
+# Distributed under MIT licence, see the file `LICENSE`.
+#
+"""
+Package metadata (version, authors, etc).
+"""
+
+__all__ = ["get_metadata"]
+
+import os
+import pathlib
+import importlib.metadata
+
+import toml
+
+_VERSION = "0.6.0"
+
+
+def get_metadata():
+    """
+    Basic package metadata.
+
+    Retrieves package metadata from the current project directory or from
+    the installed package.
+    """
+
+    here = pathlib.Path(__file__).parent
+    pyproj_toml = "pyproject.toml"
+    meta = {}
+
+    for project_dir in (here, here.parent):
+        toml_path = str(project_dir.joinpath(pyproj_toml).absolute())
+
+        if os.path.exists(toml_path):
+            pyproject = toml.load(toml_path)
+
+            meta = {
+                "name": pyproject["tool"]["poetry"]["name"],
+                "version": pyproject["tool"]["poetry"]["version"],
+                "author": pyproject["tool"]["poetry"]["authors"],
+                "license": pyproject["tool"]["poetry"]["license"],
+                "full_metadata": pyproject,
+            }
+
+            break
+
+    if not meta:
+        try:
+            meta = {
+                k.lower(): v
+                for k, v in importlib.metadata.metadata(here.name).items()
+            }
+
+        except importlib.metadata.PackageNotFoundError:
+            pass
+
+    meta["version"] = meta.get("version", None) or _VERSION
+
+    return meta
+
+
+metadata = get_metadata()
+__version__ = metadata.get("version", None)
+__author__ = metadata.get("author", None)
+__license__ = metadata.get("license", None)