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CatOrNot/venv/lib/python3.6/site-packages/wtforms/fields/simple.py

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2018-12-11 00:32:28 +01:00
import warnings
from .. import widgets
from .core import Field, StringField, BooleanField
__all__ = (
'BooleanField', 'TextAreaField', 'PasswordField', 'FileField', 'MultipleFileField',
'HiddenField', 'SubmitField', 'TextField'
)
class TextField(StringField):
"""
Legacy alias for StringField
.. deprecated:: 2.0
"""
def __init__(self, *args, **kw):
super(TextField, self).__init__(*args, **kw)
warnings.warn(
'The TextField alias for StringField has been deprecated and will be removed in WTForms 3.0',
DeprecationWarning, stacklevel=2
)
class TextAreaField(StringField):
"""
This field represents an HTML ``<textarea>`` and can be used to take
multi-line input.
"""
widget = widgets.TextArea()
class PasswordField(StringField):
"""
A StringField, except renders an ``<input type="password">``.
Also, whatever value is accepted by this field is not rendered back
to the browser like normal fields.
"""
widget = widgets.PasswordInput()
class FileField(Field):
"""Renders a file upload field.
By default, the value will be the filename sent in the form data.
WTForms **does not** deal with frameworks' file handling capabilities.
A WTForms extension for a framework may replace the filename value
with an object representing the uploaded data.
"""
widget = widgets.FileInput()
def _value(self):
# browser ignores value of file input for security
return False
class MultipleFileField(FileField):
"""A :class:`FileField` that allows choosing multiple files."""
widget = widgets.FileInput(multiple=True)
def process_formdata(self, valuelist):
self.data = valuelist
class HiddenField(StringField):
"""
HiddenField is a convenience for a StringField with a HiddenInput widget.
It will render as an ``<input type="hidden">`` but otherwise coerce to a string.
"""
widget = widgets.HiddenInput()
class SubmitField(BooleanField):
"""
Represents an ``<input type="submit">``. This allows checking if a given
submit button has been pressed.
"""
widget = widgets.SubmitInput()