fix: Validate source IDs

process/models.py

@@ -1,4 +1,5 @@
 from django.core.exceptions import ValidationError
+from django.core.validators import RegexValidator
 from django.db import models
 from django.utils.translation import gettext_lazy as _
 
@@ -59,7 +60,10 @@ class Transform(models.TextChoices):
  UPGRADE_10_11 = "upgrade-1-0-to-1-1", _("Upgrade from 1.0 to 1.1 ")
 
  # Identification
- source_id = models.TextField(help_text=_("If sourced from Scrapy, this should be the name of the spider."))
+ source_id = models.TextField(
+ validators=[RegexValidator(r"^([a-z]+_)*[a-z]+$", _("source_id must be letters and underscores only"))],
+ help_text=_("If sourced from Scrapy, this should be the name of the spider."),
+ )
  data_version = models.DateTimeField(help_text=_("The time at which the files were retrieved (not loaded)."))
  sample = models.BooleanField(default=False)