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✎ cli.py

✎ weather.py

1import argparse

2

3

4def parse_args(argv=None):

5 parser = argparse.ArgumentParser(prog="weather")

6 parser.add_argument("city")

7 parser.add_argument("--units", choices=["metric", "imperial"], default="metric")

8 return parser.parse_args(argv)

1"""Print the current temperature for a city."""

2import json

3import os

4import sys

5import urllib.request

6

7API = "https://api.openweathermap.org/data/2.5/weather"

8

9

10def fetch_weather(city, units="metric"):

11 key = os.environ.get("OPENWEATHER_KEY")

12 if not key:

13 sys.exit("Set OPENWEATHER_KEY first.")

14 url = f"{API}?q={city}&units={units}&appid={key}"

15 with urllib.request.urlopen(url, timeout=10) as r:

16 return json.load(r)

17

18

19def main(argv):

20 if len(argv) < 2:

21 print("usage: weather CITY [--units imperial]")

22 return 1

23 units = "imperial" if "--units" in argv else "metric"

24 data = fetch_weather(argv[1], units)

25 print(f"{argv[1]}: {data['main']['temp']}°")

26 return 0

27

28

29if __name__ == "__main__":

30 sys.exit(main(sys.argv))

mainLn 1, Col 1Ln 24, Col 1Ln 14, Col 1Spaces: 4LFPython

tests

.gitignore

cli.py

fetch.py

README.md

weather.py

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8 results in 3 filesAaab.*

README.md2

9python3 weather.py Paris --units imperial

15| `--units` | `metric` or `imperial` |

cli.py1

7parser.add_argument("--units", choices=["metric", "imperial"], default="metric")

weather.py5

10def fetch_weather(city, units="metric"):

14url = f"{API}?q={city}&units={units}&appid={key}"

21print("usage: weather CITY [--units imperial]")

23units = "imperial" if "--units" in argv else "metric"

24data = fetch_weather(argv[1], units)

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✎ cli.py

✎ weather.py

1"""Print the current temperature for a city."""

2import json

3import os

4import sys

5import urllib.request

6

7API = "https://api.openweathermap.org/data/2.5/weather"

8

9

10def fetch_weather(city, units="metric"):

11 key = os.environ.get("OPENWEATHER_KEY")

12 if not key:

13 sys.exit("Set OPENWEATHER_KEY first.")

14 url = f"{API}?q={city}&units={units}&appid={key}"

15 with urllib.request.urlopen(url, timeout=10) as r:

16 return json.load(r)

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✎ weather.py

⌕Search: unit

Searchunit

8 results in 3 filesNo resultsAaab.*

README.md2

9python3 weather.py Paris --units imperial

15| `--units` | `metric` or `imperial` |

cli.py1

7parser.add_argument("--units", choices=["metric", "imperial"], default="metric")

weather.py5

10def fetch_weather(city, units="metric"):

14url = f"{API}?q={city}&units={units}&appid={key}"

21print("usage: weather CITY [--units imperial]")

23units = "imperial" if "--units" in argv else "metric"

24data = fetch_weather(argv[1], units)

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✎ weather.py

⌕Search: units

8

9

10def fetch_weather(city, units="metric"):

11 key = os.environ.get("OPENWEATHER_KEY")

12 if not key:

13 sys.exit("Set OPENWEATHER_KEY first.")

14 url = f"{API}?q={city}&units={units}&appid={key}"

15 with urllib.request.urlopen(url, timeout=10) as r:

16 return json.load(r)

17

18

19def main(argv):

20 if len(argv) < 2:

21 print("usage: weather CITY [--units imperial]")

Searchunits

8 results in 3 filesAaab.*

README.md2

9python3 weather.py Paris --units imperial

15| `--units` | `metric` or `imperial` |

cli.py1

7parser.add_argument("--units", choices=["metric", "imperial"], default="metric")

weather.py5

10def fetch_weather(city, units="metric"):

14url = f"{API}?q={city}&units={units}&appid={key}"

21print("usage: weather CITY [--units imperial]")

23units = "imperial" if "--units" in argv else "metric"

24data = fetch_weather(argv[1], units)

Searchunits

8 results in 3 filesAaab.*

README.md2

9python3 weather.py Paris --units imperial

15| `--units` | `metric` or `imperial` |

cli.py1

7parser.add_argument("--units", choices=["metric", "imperial"], default="metric")

weather.py5

10def fetch_weather(city, units="metric"):

14url = f"{API}?q={city}&units={units}&appid={key}"

21print("usage: weather CITY [--units imperial]")

23units = "imperial" if "--units" in argv else "metric"

24data = fetch_weather(argv[1], units)

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