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Manchester | 25-SDC-Nov | Rahwa Haile | Sprint 4 | Implement cowsay in Python #273

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Manchester | 25-SDC-Nov | Rahwa Haile | Sprint 4 | Implement cowsay in Python #273

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2567a98
Ignore local virtual environment
RahwaZeslusHaile Nov 29, 2025
510d424
Add Python cowsay CLI with animal selection and validation
RahwaZeslusHaile Dec 1, 2025
669d05e
Use cowsay.char_names instead of hard-coded animal list
RahwaZeslusHaile Jan 17, 2026
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1 change: 1 addition & 0 deletions .gitignore
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Original file line number Diff line number Diff line change
@@ -1 +1,2 @@
node_modules
.venv
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@LonMcGregor LonMcGregor Jan 5, 2026

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Correct, you want to exclude the .venv directory. But what about the things you are installing into the .venv. Is there enough comitted here for me to be able to re-create your venv on my machine? which file is missing?

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@RahwaZeslusHaile RahwaZeslusHaile Jan 17, 2026

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thank you .I created the requirements.txt

39 changes: 39 additions & 0 deletions implement-cowsay/cowsay_script.py
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#!/usr/bin/env python3
import argparse
import cowsay
import sys

def main():
parser = argparse.ArgumentParser(
description="Make animals say things"
)
parser.add_argument(
"message", nargs="+", help="The message to say."
)
parser.add_argument(
"--animal",
default="cow",
help="The animal to be saying things."
)

args = parser.parse_args()

text = " ".join(args.message)
animal = args.animal

supported_animals = [
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@LonMcGregor LonMcGregor Jan 5, 2026

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Part of the task spec is finding a way to write this without you having to declare this array yourself. can you figure out how to get the animals directly from the library?

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@RahwaZeslusHaile RahwaZeslusHaile Jan 17, 2026 •
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@LonMcGregor
Appreciate the feedback! I replaced the manual supported_animals array with cowsay.char_names, which retrieves the available animals dynamically from the cowsay package. This aligns with the task spec and avoids maintaining the list manually.

"beavis", "cheese", "cow", "daemon", "dragon", "fox",
"ghostbusters", "kitty", "meow", "miki", "milk", "octopus",
"pig", "stegosaurus", "stimpy", "trex", "turkey", "turtle", "tux"
]

if animal not in supported_animals:
print(f"usage: cowsay [-h] [--animal {{{','.join(supported_animals)}}}] message [message ...]")
print(f"cowsay: error: argument --animal: invalid choice: '{animal}' (choose from {','.join(supported_animals)})")
sys.exit(1)

output = cowsay.get_output_string(animal, text)
print(output)

if __name__ == "__main__":
main()