always specify max_length for a Charfield

Docs > Code Analysis > Static Analysis Rules > always specify max_length for a Charfield

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Metadata

ID: python-django/model-charfield-max-length

Language: Python

Severity: Warning

Category: Best Practices

Description

On a Charfield, define the attribute max_length to specify the maximum size of a field.

Non-Compliant Code Examples

class Person(models.Model):
    first_name = models.CharField()  # define max_length
    last_name = models.CharField()  # define max_length

Compliant Code Examples

class Person(models.Model):
    first_name = models.CharField(max_length=20)
    last_name = models.CharField(max_length=40)

How to use this rule

1
2
rulesets:
  - python-django     # Rules to enforce Python django.

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