use dynamic version in gino.__version__

fantix · fantix · commit 8d3acd271813 · 2019-12-26T19:33:56.000-06:00
diff --git a/README.rst b/README.rst
@@ -28,7 +28,7 @@ GINO
 
 
 GINO - GINO Is Not ORM - is a lightweight asynchronous ORM built on top of
-SQLAlchemy_ core for Python asyncio_. Now (early 2018) GINO supports only one
+SQLAlchemy_ core for Python asyncio_. Now (early 2020) GINO supports only one
 dialect asyncpg_.
 
 * Free software: BSD license
diff --git a/poetry.lock b/poetry.lock
diff --git a/pyproject.toml b/pyproject.toml
@@ -27,6 +27,7 @@ python = "^3.5"
 asyncpg = ">=0.18,<1.0"
 SQLAlchemy = "^1.2"
 contextvars = { version = "^2.4", python = "<3.7" }
+importlib_metadata = { version = "^1.3.0", python = "<3.8" }
 
 [tool.poetry.dev-dependencies]
 psycopg2-binary = "^2.8.4"
diff --git a/src/gino/__init__.py b/src/gino/__init__.py
@@ -11,4 +11,16 @@ def create_engine(*args, **kwargs):
     return create_engine(*args, **kwargs)
 
 
-__version__ = "1.0.0-alpha"
+def get_version():
+    try:
+        from importlib.metadata import version, PackageNotFoundError
+    except ImportError:
+        from importlib_metadata import version, PackageNotFoundError
+    return version("gino")
+
+
+# noinspection PyBroadException
+try:
+    __version__ = get_version()
+except Exception:
+    pass
