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web2_projects/fastapi-location-app/.gitignore

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+__pycache__
+.vercel
+venv
+.env

web2_projects/fastapi-location-app/.vercelignore

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+requirements-dev.txt
+venv
+main.py
+README.md
+.gitignore

web2_projects/fastapi-location-app/README.md

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+# Location API 🗺
+
+
+Location API built with FastAPI. 
+
+<br>
+
+## Endpoint /location
+
+Input data:
+
+```
+{"city": "berlin"}
+```
+
+Response:
+
+```
+{"lat":52.5186925,"lon":13.3996024,"tzone":1}
+```
+
+
+### Installing
+
+```
+virtualenv -p python3.9 venv
+source venv/bin/activate
+pipenv install
+```
+
+### Running
+
+
+```
+python3 main.py
+```

web2_projects/fastapi-location-app/api/api.py

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+
+from .routes import router as LocationRouter
+from fastapi import FastAPI
+
+app = FastAPI()
+
+
+@app.get("/", tags=["Root"])
+async def read_root() -> dict:
+    return {
+        "message": "Location API 🗺✨. Try /docs to learn about this API"
+    }
+
+app.include_router(LocationRouter, prefix="/tzone")

web2_projects/fastapi-location-app/api/methods.py

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+import pytz
+import datetime
+from geopy.geocoders import Nominatim
+from timezonefinder import TimezoneFinder
+
+
+def _find_timezone(lat, lon) -> int:
+    obj = TimezoneFinder()
+    tzone = obj.timezone_at(lng=lon, lat=lat)
+    timezone = datetime.datetime.now(pytz.timezone(tzone)).strftime('%z')
+    try:
+        timezone = int(timezone[:-2])
+    except:
+        print('Error formatting timezone {}'.format(timezone))
+    return timezone
+
+
+def get_location(data) -> dict:
+    try:
+        city = data['city']
+    except:
+        print('Data is ill-formatted: {}'.format(data))
+
+    geolocator = Nominatim(user_agent="$choices")
+    location = geolocator.geocode(city)
+
+    data = {
+        'lat': location.latitude,
+        'lon': location.longitude,
+        'tzone': _find_timezone(location.latitude, location.longitude)
+    }
+
+    return data
+
+

web2_projects/fastapi-location-app/api/routes.py

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+from pydantic import BaseModel
+from fastapi import APIRouter
+from .methods import get_location
+
+
+router = APIRouter()
+
+class City(BaseModel):
+    city: str
+
+
+@router.post("/")
+def search_city(data: City) -> dict:
+    return get_location(data.dict())
+
+
+

web2_projects/fastapi-location-app/main.py

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+import uvicorn
+
+if __name__ == "__main__":
+  uvicorn.run("api.api:app", host="0.0.0.0", port=8000, reload=True)

web2_projects/fastapi-location-app/requirements-dev.txt

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+uvicorn

web2_projects/fastapi-location-app/requirements.txt

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+timezonefinder==5.2.0
+pytz==2022.1
+pydantic
+fastapi

web2_projects/fastapi-location-app/vercel.json

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+{
+  "routes": [
+    {"src": "/(.*)", "dest": "api/api.py"}
+  ],
+  "functions": {
+      "api/api.py": {
+        "memory": 3008,
+        "maxDuration": 30
+    }
+  }
+}