What are some effective input sanitization techniques in Python?
Input sanitization is crucial for preventing security vulnerabilities. Some effective techniques include using libraries like bleach
for HTML sanitization, validating input formats with regular expressions, and employing parameterized queries for database interactions.
Can you explain how to use the bleach
library?
Certainly! The bleach
library allows you to clean HTML input by removing unwanted tags and attributes. You can install it using pip install bleach
, and then use bleach.clean()
to sanitize your input.
What about SQL injection? How can I prevent it?
To prevent SQL injection, always use parameterized queries or prepared statements. This ensures that user input is treated as data, not executable code.
Are there any other libraries I should know about?
Yes, besides bleach
, you might want to look into validators
for input validation and jsonschema
for validating JSON data structures.
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