Do not use text() as it leads to SQL injection
TRY THIS RULE ID: python-flask/disable-sqlalchemy-text
Language: Python
Severity: Warning
Category: Security
CWE : 89
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 ()
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