Field types for allowing file and image uploads to Amazon S3 (as well as default local storage) in Flask-Admin.
Project description
Field types for allowing file and image uploads to Amazon S3 (as well as default local storage) in Flask-Admin.
Usage
Use with a Flask-Admin ModelView by overriding field types, and by passing in special arguments to those fields:
from flask.ext.admin.contrib.sqla import ModelView class MyView(ModelView): form_overrides = dict( some_image=S3ImageUploadField, some_file=S3FileUploadField) form_args = dict( some_image=dict( base_path='/some/folder/static', relative_path='some_image/', url_relative_path='uploads/', namegen=your_namegen_func_here, storage_type_field='some_image_storage_type', bucket_name_field='some_image_storage_bucket_name', ), some_file=dict( base_path='/some/folder/static', relative_path='some_file/', namegen=your_namegen_func_here, allowed_extensions=('pdf', 'txt'), storage_type_field='some_file_storage_type', bucket_name_field='some_file_storage_bucket_name', )) def scaffold_form(self): # Note: assuming that we have Flask-S3 config values to pass # to fields below. Flask-S3 is not required, you can pass # values from elsewhere if you want. from flask import current_app as app form_class = super(MyView, self).scaffold_form() static_root_parent = '/some/folder' if app.config['USE_S3']: form_class.some_image.kwargs['storage_type'] = 's3' form_class.some_file.kwargs['storage_type'] = 's3' form_class.some_image.kwargs['bucket_name'] = app.config['S3_BUCKET_NAME'] form_class.some_image.kwargs['access_key_id'] = app.config['AWS_ACCESS_KEY_ID'] form_class.some_image.kwargs['access_key_secret'] = app.config['AWS_SECRET_ACCESS_KEY'] form_class.some_image.kwargs['static_root_parent'] = static_root_parent form_class.some_file.kwargs['bucket_name'] = app.config['S3_BUCKET_NAME'] form_class.some_file.kwargs['access_key_id'] = app.config['AWS_ACCESS_KEY_ID'] form_class.some_file.kwargs['access_key_secret'] = app.config['AWS_SECRET_ACCESS_KEY'] form_class.some_file.kwargs['static_root_parent'] = static_root_parent return form_class
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