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Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44 lines
1.3 KiB
Python
44 lines
1.3 KiB
Python
4 years ago
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from re import match as re_match
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from flask_wtf import FlaskForm
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from wtforms import StringField, SubmitField, SelectField
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from wtforms.validators import DataRequired, ValidationError
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choices = [
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('nyc3', 'New York'),
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('ams3', 'Amsterdam'),
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('sfo3', 'San Francisco'),
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('sgp1', 'Singapore'),
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('lon1', 'London'),
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('fra1', 'Frankfurt'),
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('tor1', 'Toronto'),
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('blr1', 'Bangalore')
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]
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class CreateOperation(FlaskForm):
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codename = StringField('', validators=[DataRequired()], render_kw={
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'placeholder': 'Pick a codename'}
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)
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region = SelectField('', choices=choices)
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submit = SubmitField('Go')
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def validate_codename(self, codename):
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regex = '^[a-zA-Z0-9-]+$'
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d = self.codename.data
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if bool(re_match(regex, self.codename.data)) is False:
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raise ValidationError(
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'Invalid codename;'
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' must be alphanumeric characters with hyphens only'
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)
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if d.startswith('-') or d.endswith('-'):
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raise ValidationError(
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'Invalid codename;'
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' must not start or end with a hyphen'
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)
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if len(self.codename.data) > 30:
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raise ValidationError(
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'Invalid codename;'
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' must be less than or equal to 30 characters'
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)
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