Initial commit

main.py

@@ -0,0 +1,115 @@
+import time
+import random
+import requests
+from datetime import datetime
+
+# ===== SMS GATEWAY =====
+SMS_USER = "weatherbot"
+SMS_PASS = "Cupakabra17"
+
+RECEIVE_URL = "https://sms.internet-master.cz/receive/"
+SEND_URL    = "https://sms.internet-master.cz/send/"
+
+BASE_POLL_INTERVAL = 15   # seconds (was 3)
+MAX_BACKOFF = 300         # 5 minutes
+
+seen_offsets = set()
+
+HEADERS = {
+    "User-Agent": "weatherbot/1.0 (jakub@jimbuntu)"
+}
+
+# =======================
+
+# Reuse TCP connections (important)
+session = requests.Session()
+session.headers.update(HEADERS)
+
+def fetch_inbox():
+    params = {
+        "username": SMS_USER,
+        "password": SMS_PASS,
+        "limit": 5
+    }
+    r = session.get(RECEIVE_URL, params=params, timeout=10)
+    r.raise_for_status()
+    return r.json()
+
+def send_sms(number, message):
+    params = {
+        "number": number,
+        "message": message,
+        "username": SMS_USER,
+        "password": SMS_PASS
+    }
+    r = session.get(SEND_URL, params=params, timeout=10)
+    r.raise_for_status()
+    print("SEND RESPONSE:", r.text)
+
+def get_weather(city):
+    url = f"https://wttr.in/{city}?format=j1"
+    r = session.get(url, timeout=10)
+
+    if r.status_code != 200:
+        return f"❌ Weather unavailable for {city}"
+
+    data = r.json()
+    weather = data.get("weather", [])
+
+    if len(weather) < 3:
+        return f"❌ Weather unavailable for {city}"
+
+    msg = f"🌦 Weather for {city}:\n"
+
+    for day in weather[:3]:
+        date = day["date"]
+        avgtemp = day["avgtempC"]
+        desc = day["hourly"][0]["weatherDesc"][0]["value"]
+
+        weekday = datetime.strptime(date, "%Y-%m-%d").strftime("%a")
+        msg += f"{weekday}: {avgtemp}°C, {desc}\n"
+
+    return msg.strip()
+
+# ===== MAIN LOOP =====
+print("📡 SMS Weather Bot started (no API key)")
+
+poll_interval = BASE_POLL_INTERVAL
+
+while True:
+    try:
+        data = fetch_inbox()
+        inbox = data.get("inbox", [])
+
+        # reset backoff on success
+        poll_interval = BASE_POLL_INTERVAL
+
+        if not inbox:
+            time.sleep(poll_interval)
+            continue
+
+        for sms in inbox:
+            offset = sms["offset"]
+            if offset in seen_offsets:
+                continue
+
+            phone = sms["phone"]
+            text  = sms["message"].strip()
+
+            print(f"📨 {phone}: {text}")
+
+            reply = get_weather(text)
+            send_sms(phone, reply)
+
+            print(f"📤 Sent reply to {phone}")
+            seen_offsets.add(offset)
+
+    except Exception as e:
+        print("⚠ Error:", e)
+
+        # exponential backoff + jitter
+        poll_interval = min(poll_interval * 2, MAX_BACKOFF)
+
+    # jitter prevents perfectly periodic polling
+    time.sleep(poll_interval + random.randint(0, 5))
+