Source code for fobi.contrib.plugins.form_elements.fields.file.base
from __future__ import absolute_import, unicode_literals
import os
from django.conf import settings
from django.forms.widgets import ClearableFileInput
from django.utils.translation import gettext_lazy as _
from fobi.base import FormFieldPlugin
from fobi.helpers import handle_uploaded_file
from . import UID
from .fields import AllowedExtensionsFileField as FileField
from .forms import FileInputForm
from .settings import FILES_UPLOAD_DIR
__title__ = "fobi.contrib.plugins.form_elements.fields.file.base"
__author__ = "Artur Barseghyan <artur.barseghyan@gmail.com>"
__copyright__ = "2014-2019 Artur Barseghyan"
__license__ = "GPL 2.0/LGPL 2.1"
__all__ = ("FileInputPlugin",)
[docs]class FileInputPlugin(FormFieldPlugin):
"""File field plugin."""
uid = UID
name = _("File")
group = _("Fields")
form = FileInputForm
[docs] def get_form_field_instances(
self, request=None, form_entry=None, form_element_entries=None, **kwargs
):
"""Get form field instances."""
if self.data.allowed_extensions:
attrs = {"accept": self.data.allowed_extensions.replace(" ", "")}
else:
attrs = {}
field_kwargs = {
"label": self.data.label,
"help_text": self.data.help_text,
"initial": self.data.initial,
"required": self.data.required,
"widget": ClearableFileInput(attrs=attrs),
}
if self.data.max_length is not None:
field_kwargs["max_length"] = self.data.max_length
if self.data.allowed_extensions:
field_kwargs["allowed_extensions"] = self.data.allowed_extensions
return [(self.data.name, FileField, field_kwargs)]
[docs] def prepare_plugin_form_data(self, cleaned_data):
"""Prepare plugin form data.
:param cleaned_data:
:return:
"""
# Get the file path
file_path = cleaned_data.get(self.data.name, None)
if file_path:
# Handle the upload
saved_file = handle_uploaded_file(FILES_UPLOAD_DIR, file_path)
# Overwrite ``cleaned_data`` of the ``form`` with path to moved
# file.
file_relative_url = saved_file.replace(os.path.sep, "/")
cleaned_data[self.data.name] = "{0}{1}".format(
settings.MEDIA_URL, file_relative_url
)
# It's critically important to return the ``form`` with updated
# ``cleaned_data``
return cleaned_data
[docs] def submit_plugin_form_data(
self, form_entry, request, form, form_element_entries=None, **kwargs
):
"""Submit plugin form data/process file upload.
Handling the posted data for file plugin when form is submitted.
This method affects the original form and that's why it returns it.
:param fobi.models.FormEntry form_entry: Instance
of ``fobi.models.FormEntry``.
:param django.http.HttpRequest request:
:param django.forms.Form form:
:param form_element_entries:
"""
# Get the file path
cleaned_data = self.prepare_plugin_form_data(form.cleaned_data)
if cleaned_data:
form.cleaned_data = cleaned_data
# # Get the file path
# file_path = form.cleaned_data.get(self.data.name, None)
# if file_path:
# # Handle the upload
# saved_file = handle_uploaded_file(FILES_UPLOAD_DIR, file_path)
# # Overwrite ``cleaned_data`` of the ``form`` with path to moved
# # file.
# file_relative_url = saved_file.replace(os.path.sep, '/')
# form.cleaned_data[self.data.name] = "{0}{1}".format(
# settings.MEDIA_URL,
# file_relative_url
# )
# It's critically important to return the ``form`` with updated
# ``cleaned_data``
return form