pages_number_field.py
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	from wtforms import TextField

	__all__ = ['PagesNumberField']


	class PagesNumberField(TextField):

	def __init__(self, **kwargs):
	self._icon_html = '<i class="icon-th"></i>'
	super(PagesNumberField, self).__init__(**kwargs)

	def pre_validate(self):
	value = self.data

	def is_number(s):
	try:
	float(s)
	return True
	except ValueError:
	return False

	if not is_number(value):
	return dict(error=1, \
	error_message='Pages number must be a number! duh')

	def autocomplete(self):
	return []