Sample code for the article on uv

python-uv/README.md

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+# Managing Python Projects With `uv`: An All-in-One Solution
+
+This folder provides the code examples for the Real Python tutorial [Managing Python Projects With `uv`: An All-in-One Solution](https://realpython.com/python-uv/).

python-uv/main.py

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+import argparse
+import sys
+
+import requests
+
+
+def get_breeds_info():
+    response = requests.get("https://api.thecatapi.com/v1/breeds")
+    response.raise_for_status()
+    return response.json()
+
+
+def find_breed_info(breed_name):
+    json_response = get_breeds_info()
+    for breed in json_response:
+        if breed["name"] == breed_name:
+            return breed
+    return None
+
+
+def display_breed_profile(breed):
+    print(f"\n{breed['name']:-^30s}")
+    print(f"Origin: {breed['origin']}")
+    print(f"Temperament: {breed['temperament']}")
+    print(f"Life Span: {breed['life_span']} years")
+    print(f"Weight: {breed['weight']['imperial']} lbs")
+    if breed.get("wikipedia_url"):
+        print(f"\nLearn more: {breed['wikipedia_url']}")
+
+
+def parse_args():
+    parser = argparse.ArgumentParser(
+        description="Get information about cat breeds",
+    )
+    parser.add_argument(
+        "breed",
+        help="Name of cat breed (e.g., 'Siamese')",
+    )
+    return parser.parse_args()
+
+
+def main():
+    args = parse_args()
+    try:
+        breed = find_breed_info(args.breed)
+        if not breed:
+            print("Breed not found. Try another breed name.")
+            return 0
+        display_breed_profile(breed)
+    except Exception as e:
+        print(f"Error: {e}")
+        return 1
+
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())

python-uv/pyproject.toml

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+[project]
+name = "rpcats"
+version = "0.1.0"
+description = "Display cat information for the specified breed."
+readme = "README.md"
+requires-python = ">=3.13"
+dependencies = [
+    "requests>=2.32.3",
+]
+
+[dependency-groups]
+dev = [
+    "pytest>=8.3.5",
+]
+
+[project.scripts]
+rpcats = "main:main"
+
+[build-system]
+requires = ["setuptools>=78.1.0", "wheel>=0.45.1"]
+build-backend = "setuptools.build_meta"
+
+[[tool.uv.index]]
+name = "testpypi"
+url = "https://test.pypi.org/simple/"
+publish-url = "https://test.pypi.org/legacy/"
+explicit = true