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9 changes: 7 additions & 2 deletions weblab/entities/forms.py
Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
from braces.forms import UserKwargModelFormMixin
from django import forms
from django.core.exceptions import ValidationError
from django.core.validators import RegexValidator
from django.forms import formset_factory

from accounts.models import User
Expand Down Expand Up @@ -57,7 +58,9 @@ class EntityVersionForm(forms.Form):
)
tag = forms.CharField(
help_text='Optional short label for this version',
required=False)
required=False,
validators=[RegexValidator(r'[-_A-Za-z0-9]', 'Please enter a valid tag name. '
'Only letters, numbers, dashes or underscores are allowed.' )])
commit_message = forms.CharField(
label='Description of this version',
widget=forms.Textarea)
Expand Down Expand Up @@ -94,7 +97,9 @@ class EntityTagVersionForm(forms.Form):
tag = forms.CharField(
label='New tag',
help_text='Short label for this version',
required=True)
required=True,
validators=[RegexValidator(r'[-_A-Za-z0-9]', 'Please enter a valid tag name.'
' Only letters, numbers, dashes or underscores are allowed.')])


class EntityCollaboratorForm(forms.Form):
Expand Down