feat(python): Generate query code using ASTs instead of templates (#1338)

Author: kyleconroy

examples/python/src/authors/query.py

@@ -1,4 +1,3 @@
-
 # Code generated by sqlc. DO NOT EDIT.
 from typing import AsyncIterator, Iterator, Optional
 
@@ -108,4 +107,3 @@ async def list_authors(self) -> AsyncIterator[models.Author]:
                 name=row[1],
                 bio=row[2],
             )
-

examples/python/src/booktest/query.py

@@ -1,8 +1,7 @@
-
 # Code generated by sqlc. DO NOT EDIT.
-from typing import AsyncIterator, List, Optional
 import dataclasses
 import datetime
+from typing import AsyncIterator, List, Optional
 
 import sqlalchemy
 import sqlalchemy.ext.asyncio
@@ -109,7 +108,6 @@ class CreateBookParams:
 """
 
 
-
 class AsyncQuerier:
     def __init__(self, conn: sqlalchemy.ext.asyncio.AsyncConnection):
         self._conn = conn
@@ -208,4 +206,3 @@ async def update_book_isbn(self, *, title: str, tags: List[str], book_id: int, i
             "p3": book_id,
             "p4": isbn,
         })
-

examples/python/src/jets/query-building.py

@@ -1,4 +1,3 @@
-
 # Code generated by sqlc. DO NOT EDIT.
 from typing import AsyncIterator, Optional
 
@@ -23,7 +22,6 @@
 """
 
 
-
 class AsyncQuerier:
     def __init__(self, conn: sqlalchemy.ext.asyncio.AsyncConnection):
         self._conn = conn
@@ -44,4 +42,3 @@ async def list_pilots(self) -> AsyncIterator[models.Pilot]:
                 id=row[0],
                 name=row[1],
             )
-

examples/python/src/ondeck/city.py

@@ -1,4 +1,3 @@
-
 # Code generated by sqlc. DO NOT EDIT.
 from typing import AsyncIterator, Optional
 
@@ -40,7 +39,6 @@
 """
 
 
-
 class AsyncQuerier:
     def __init__(self, conn: sqlalchemy.ext.asyncio.AsyncConnection):
         self._conn = conn
@@ -73,4 +71,3 @@ async def list_cities(self) -> AsyncIterator[models.City]:
 
     async def update_city_name(self, *, slug: str, name: str) -> None:
         await self._conn.execute(sqlalchemy.text(UPDATE_CITY_NAME), {"p1": slug, "p2": name})
-

examples/python/src/ondeck/venue.py

@@ -1,7 +1,6 @@
-
 # Code generated by sqlc. DO NOT EDIT.
-from typing import AsyncIterator, List, Optional
 import dataclasses
+from typing import AsyncIterator, List, Optional
 
 import sqlalchemy
 import sqlalchemy.ext.asyncio
@@ -88,7 +87,6 @@ class VenueCountByCityRow:
     count: int
 
 
-
 class AsyncQuerier:
     def __init__(self, conn: sqlalchemy.ext.asyncio.AsyncConnection):
         self._conn = conn
@@ -156,4 +154,3 @@ async def venue_count_by_city(self) -> AsyncIterator[VenueCountByCityRow]:
                 city=row[0],
                 count=row[1],
             )
-