Sample code for the article on uv

Author: lpozo

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 requests
+
+WEATHER_EMOJIS = {
+    "clear": "☀️",
+    "sunny": "☀️",
+    "cloudy": "☁️",
+    "partly cloudy": "⛅",
+    "rain": "🌧️",
+    "light rain": "🌦️",
+    "heavy rain": "🌊",
+    "storm": "🌩️",
+    "snow": "❄️",
+    "fog": "🌫️",
+    "mist": "🌫️",
+    "default": "🌍",
+}
+
+API_QUERY_TEMPLATE = "https://wttr.in/{city}?format=%C+%t"
+
+
+def get_weather_emoji(condition, weather_emojis=WEATHER_EMOJIS):
+    condition = condition.lower()
+    for key, emoji in weather_emojis.items():
+        if key in condition:
+            return emoji
+    return weather_emojis["default"]
+
+
+def get_weather(city, api_query_template=API_QUERY_TEMPLATE):
+    api_query = api_query_template.format(city=city)
+    try:
+        response = requests.get(api_query)
+        response.raise_for_status()
+        weather_info = response.text.strip().split("+")
+        if len(weather_info) < 2:
+            return "Error: Unexpected weather data format."
+        condition = weather_info[0].strip()
+        temperature = weather_info[1].strip()
+        emoji = get_weather_emoji(condition)
+        return f"{emoji} {condition} -> {temperature}"
+    except requests.RequestException:
+        return "Error: Could not retrieve weather data."
+
+
+def parse_cli_args():
+    parser = argparse.ArgumentParser(
+        prog="weather",
+        description="Weather information for the specified city.",
+        epilog="Thanks for using %(prog)s! :)",
+    )
+    parser.add_argument(
+        "city",
+        nargs="+",
+        help="Name of the city to get weather information for",
+    )
+    parser.add_argument(
+        "--version",
+        action="version",
+        version="%(prog)s 0.1.0",
+    )
+    return parser.parse_args()
+
+
+def main():
+    args = parse_cli_args()
+    weather = get_weather(" ".join(args.city))
+    print(weather)
+
+
+if __name__ == "__main__":
+    main()

python-uv/pyproject.toml

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+[project]
+name = "rpweather"
+version = "0.1.0"
+description = "Display weather information for the specified city."
+readme = "README.md"
+requires-python = ">=3.13"
+dependencies = [
+    "requests>=2.32.3",
+]
+
+[dependency-groups]
+dev = [
+    "pytest>=8.3.5",
+]
+
+[project.scripts]
+rpweather = "main:main"
+
+[build-system]
+requires = ["setuptools>=78.1.0", "wheel>=0.45.1"]
+build-backend = "setuptools.build_meta"