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#!/usr/bin/env run.sh
"""
Test that bild can build Python stuff.
Example Python file that also serves as a test case for bild.
"""
# : out example
# : dep cryptography
import cryptography.fernet
import sys
def cryptic_hello(name: str) -> str:
"""
Encrypt and decrypt `name`.
Example taken from `cryptography` docs.
Raises:
ValueError: if decryption fails
"""
key = cryptography.fernet.Fernet.generate_key()
f = cryptography.fernet.Fernet(key)
token = f.encrypt(hello(name).encode("utf-8"))
ret = f.decrypt(token).decode("utf-8")
if ret != hello(name):
msg = "en/decryption failed!"
raise ValueError(msg)
return ret
def hello(name: str) -> str:
"""Say hello."""
return f"Hello {name}"
def main() -> None:
"""Entrypoint."""
if "test" in sys.argv:
sys.stdout.write("testing success")
sys.stdout.write(cryptic_hello("world"))
if __name__ == "__main__":
main()
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