def get_headers()

main.py

import urllib.request
import json

def get_headers():
    headers = {}
    print("\nEnter headers (key:value). Press Enter to skip.")
    while True:
        line = input("Header: ")
        if not line:
            break
        key, value = line.split(":", 1)
        headers[key.strip()] = value.strip()
    return headers

def main():
    print("=== Mini Postman CLI ===")

    method = input("Method (GET/POST): ").upper()
    url = input("URL: ")

    headers = get_headers()

    data = None
    if method == "POST":
        print("\nEnter JSON body (or press Enter to skip):")
        body = input()
        if body:
            data = json.dumps(json.loads(body)).encode("utf-8")
            headers["Content-Type"] = "application/json"

    try:
        req = urllib.request.Request(
            url=url,
            data=data,
            headers=headers,
            method=method
        )

        with urllib.request.urlopen(req) as response:
            res = response.read().decode("utf-8")

            print("\n--- RESPONSE ---")
            print("Status:", response.getcode())
            print(res)

    except urllib.error.HTTPError as e:
        print("\nHTTP Error:", e.code)
        print(e.read().decode())

    except Exception as e:
        print("\nError:", e)

if __name__ == "__main__":
    main()

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