Python implementation

Signed-off-by: kosieh <Kosieh Barter>

.gitignore

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+venv

list_tables.py

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+from sqlalchemy import create_engine, inspect
+
+engine = create_engine('sqlite:////home/kosieh/db.sqlite')
+inspector = inspect(engine)
+
+schemas = inspector.get_schema_names()
+
+for schema in schemas:
+    print(f"Schema: {schema}")
+    for tableName in inspector.get_table_names(schema = schema):
+        print(f"Table name: {tableName}")
+        for column in inspector.get_columns(tableName, schema = schema):
+            print(f"Column: {column}")

select_from.py

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+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy import Column, String, Integer, DateTime
+
+from datetime import datetime
+
+
+engine = create_engine('sqlite:////home/kosieh/db.sqlite')
+Session = sessionmaker(bind = engine)
+
+class Blog(Base := declarative_base()):
+    __tablename__ = 'bb_blog'
+    id: int = Column(Integer, primary_key=True)
+    author_id: int = Column(Integer)
+    blogdate: DateTime = Column(DateTime)
+    content: str = Column(String)
+
+    def __init__(self, author_id: int, content: str):
+        self.author_id = author_id
+        self.blogdate = datetime.now()
+        self.content = content
+
+
+session = Session()
+blogs = session.query(Blog).all()
+
+for blog in blogs:
+    print('#' * 80)
+    print(f"ID: {blog.id}\nAuthor ID: {blog.author_id}\n\n{blog.content}\n\nPublished: {blog.blogdate}")
+
+
+new_blog: Blog = Blog(author_id=1, content='Some content goes here.')
+session.add(new_blog)
+session.commit()

test.py

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+from sqlalchemy import create_engine
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+
+# Create a SQLite database in memory
+engine = create_engine(f"sqlite:////home/kosieh/db.sqlite")
+Base = declarative_base()
+Session = sessionmaker(bind=engine)
+
+from sqlalchemy import Column, Integer, String
+
+class User(Base):
+    __tablename__ = 'users'
+
+    id = Column(Integer, primary_key=True)
+    username = Column(String, unique=True)
+    email = Column(String)
+
+    def __init__(self, username, email):
+        self.username = username
+        self.email = email