Do not use text() as it leads to SQL injection

Cette page n'est pas encore disponible en français, sa traduction est en cours.
Si vous avez des questions ou des retours sur notre projet de traduction actuel, n'hésitez pas à nous contacter.

Metadata

ID: python-flask/disable-sqlalchemy-text

Language: Python

Severity: Warning

Category: Security

Description

The text function from SQLAlchemy lets you build custom SQL statements. It is recommended to use the ORM functions to build queries and avoid building custom queries, which are vulnerable to SQL injections.

Learn More

Non-Compliant Code Examples

from sqlalchemy.sql import text


con = engine.connect()

data = ( { "id": 1, "title": "The Hobbit", "primary_author": "Tolkien" },
            { "id": 2, "title": "The Silmarillion", "primary_author": "Tolkien" },
)

statement = text("""INSERT INTO book(id, title, primary_author) VALUES(:id, :title, :primary_author)""")

for line in data:
    con.execute(statement, **line)

Compliant Code Examples

con = engine.connect()

data = ( { "id": 1, "title": "The Hobbit", "primary_author": "Tolkien" },
            { "id": 2, "title": "The Silmarillion", "primary_author": "Tolkien" },
)

statement = text("""INSERT INTO book(id, title, primary_author) VALUES(:id, :title, :primary_author)""")

for line in data:
    con.execute(statement, **line)

from sqlalchemy import text

BOOKS = meta.tables['books']
query = sqlalchemy.select(BOOKS).where(BOOKS.c.genre == 'fiction')
result = engine.execute(query).fetchall()
https://static.datadoghq.com/static/images/logos/github_avatar.svg https://static.datadoghq.com/static/images/logos/vscode_avatar.svg jetbrains

Seamless integrations. Try Datadog Code Analysis

Datadog Code Analysis