fix: use relative imports for python files

backend/db/database.py

@@ -2,7 +2,7 @@ from databases import Database
 from sqlalchemy import create_engine, MetaData
 from sqlalchemy.orm import declarative_base
 
-from backend.config import settings
+from ..config import settings
 
 # for Alembic migrations and sync operations
 engine = create_engine(settings.database_url)

backend/main.py

@@ -1,9 +1,9 @@
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 
-from backend.config import settings
-from backend.db import database, Base, engine
-from backend.routes import shortener_router
+from .config import settings
+from .db import database, Base, engine
+from .routes import shortener_router
 
 app = FastAPI()
 

backend/models/url.py

@@ -1,6 +1,6 @@
 from sqlalchemy import Column, Integer, String
 
-from backend.db.database import Base
+from ..db.database import Base
 
 class Url(Base):
     __tablename__ = "urls"

backend/routes/shortener.py

@@ -1,11 +1,11 @@
 from fastapi import APIRouter, HTTPException
 from fastapi.responses import RedirectResponse
 
-from backend.db import database
-from backend.exceptions import ShortcodeNotFound, ShortcodeConflict
-from backend.utils import encoder
-from backend.schemas import UrlPayload
-from backend.services import UrlService
+from ..db import database
+from ..exceptions import ShortcodeNotFound, ShortcodeConflict
+from ..utils import encoder
+from ..schemas import UrlPayload
+from ..services import UrlService
 
 router = APIRouter()
 url_service = UrlService(db=database)

backend/services/url_service.py

@@ -1,9 +1,9 @@
 from sqlalchemy import select, insert
 from sqlalchemy.exc import IntegrityError
 
-from backend.utils import encoder
-from backend.models import Url
-from backend.exceptions import ShortcodeConflict, ShortcodeNotFound
+from ..utils import encoder
+from ..models import Url
+from ..exceptions import ShortcodeConflict, ShortcodeNotFound
 
 class UrlService:
     def __init__(self, db):

backend/utils/encoder.py

@@ -1,6 +1,6 @@
 from hashids import Hashids
 
-from backend.config import settings
+from ..config import settings
 
 class ShortCodeEncoder:
     def __init__(self, salt=None, alphabet=None, min_length=6):