Modernize packaging with Poetry

.gitignore

@@ -34,6 +34,9 @@ var/
 *.manifest
 *.spec
 
+# Poetry
+poetry.lock
+
 # Installer logs
 pip-log.txt
 pip-delete-this-directory.txt

README.md

@@ -8,7 +8,7 @@ motionless
 
 motionless is a Python library that takes the pain out of generating [Google Static Map](http://code.google.com/apis/maps/documentation/staticmaps/) URLs. Three map types are supported. Each is illustrated below. For fully worked code see the examples directory for code that parses and visualizes both GeoRSS feeds and GPX files.
 
-motionless is tested with Python versions 3.9 to 3.11.
+motionless requires Python 3.12 or newer and uses Poetry for packaging.
 
 Code is licensed under Apache 2.0
 
@@ -26,13 +26,14 @@ generate and use a personal API key.
 Installation instructions
 =========================
 
-Motionless is a pure python package. Install it with conda (or mamba):
+Motionless is a pure Python package managed with Poetry. Install dependencies
+with [uv](https://github.com/astral-sh/uv):
 
 ```
-$ conda install -c conda-forge motionless
+$ uv pip install -e .
 ```
 
-or pip:
+You can still install from PyPI with pip:
 
 ```
 $ pip install motionless

pyproject.toml

@@ -0,0 +1,15 @@
+[tool.poetry]
+name = "motionless"
+version = "1.4.dev"
+description = "An easy way to generate Google Static Map URLs with Python."
+authors = ["Ryan Cox <ryan.a.cox@gmail.com>"]
+license = "Apache-2.0"
+readme = "README.md"
+packages = [{ include = "motionless" }]
+
+[tool.poetry.dependencies]
+python = ">=3.12"
+
+[build-system]
+requires = ["poetry-core>=1.5.0"]
+build-backend = "poetry.core.masonry.api"