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@@ -7,3 +7,7 @@ venv/ | |
.pytest_cache/ | ||
**__pycache__/ | ||
**db.sqlite3 | ||
*.db | ||
*.sqlite | ||
*.sqlite3 | ||
*.db3 |
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@@ -0,0 +1,22 @@ | ||
import sqlite3 | ||
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def setup_database() -> None: | ||
connection = sqlite3.connect("cinema.db") | ||
cursor = connection.cursor() | ||
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cursor.execute(""" | ||
CREATE TABLE IF NOT EXISTS actors ( | ||
id INTEGER PRIMARY KEY AUTOINCREMENT, | ||
first_name TEXT NOT NULL, | ||
last_name TEXT NOT NULL | ||
); | ||
""") | ||
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connection.commit() | ||
connection.close() | ||
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if __name__ == "__main__": | ||
setup_database() | ||
print("Database and actors table created.") |
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@@ -1,13 +1,29 @@ | ||
# from models import Actor | ||
# from managers import ActorManager | ||
# | ||
# if __name__ == "__main__": | ||
# Actor.objects = ActorManager() | ||
# | ||
# Actor.objects.create(first_name="Emma", last_name="Watson") | ||
# Actor.objects.create(first_name="Daniel", last_name="Radclife") | ||
# print(Actor.objects.all()) | ||
# Actor.objects.update(2, "Daniel", "Radcliffe") | ||
# print(Actor.objects.all()) | ||
# Actor.objects.delete(1) | ||
# print(Actor.objects.all()) | ||
from managers import ActorManager | ||
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if __name__ == "__main__": | ||
manager = ActorManager() | ||
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manager.create(first_name="Emma", last_name="Watson") | ||
manager.create(first_name="Daniel", last_name="Radcliffe") | ||
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print("All actors after creation:") | ||
actors = manager.all() | ||
for actor in actors: | ||
print(f"ID: {actor.id}, Name: {actor.first_name} {actor.last_name}") | ||
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print("\nUpdating actor with ID 2 (Daniel Radcliffe)...") | ||
manager.update(2, "Daniel", "Radcliffe") | ||
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print("\nAll actors after update:") | ||
actors = manager.all() | ||
for actor in actors: | ||
print(f"ID: {actor.id}, Name: {actor.first_name} {actor.last_name}") | ||
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print("\nDeleting actor with ID 1 (Emma Watson)...") | ||
manager.delete(1) | ||
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print("\nAll actors after deletion:") | ||
actors = manager.all() | ||
for actor in actors: | ||
print(f"ID: {actor.id}, Name: {actor.first_name} {actor.last_name}") |
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import sqlite3 | ||
from models import Actor | ||
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class ActorManager: | ||
def __init__(self) -> None: | ||
self.table_name = "actors" | ||
self.connection = sqlite3.connect("cinema.db") | ||
self.cursor = self.connection.cursor() | ||
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def create(self, first_name: str, last_name: str) -> Actor: | ||
self.cursor.execute( | ||
f"INSERT INTO {self.table_name} " | ||
f"(first_name, last_name) VALUES (?, ?)", | ||
(first_name, last_name) | ||
) | ||
self.connection.commit() | ||
actor_id = self.cursor.lastrowid | ||
return Actor(id=actor_id, first_name=first_name, last_name=last_name) | ||
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def all(self) -> list[Actor]: | ||
self.cursor.execute(f"SELECT * FROM {self.table_name}") | ||
rows = self.cursor.fetchall() | ||
return [Actor(id=row[0], first_name=row[1], | ||
last_name=row[2]) for row in rows] | ||
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def update(self, actor_id: int, first_name: str, | ||
last_name: str) -> None: | ||
self.cursor.execute( | ||
f"UPDATE {self.table_name} SET first_name = ?, " | ||
f" last_name = ? WHERE id = ?", | ||
(first_name, last_name, actor_id) | ||
) | ||
self.connection.commit() | ||
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def delete(self, actor_id: int) -> None: | ||
self.cursor.execute(f"DELETE FROM {self.table_name} WHERE id = ?", | ||
(actor_id,)) | ||
self.connection.commit() | ||
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def __del__(self) -> None: | ||
self.connection.close() |
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from dataclasses import dataclass | ||
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@dataclass | ||
class Actor: | ||
id: int | ||
first_name: str | ||
last_name: str |