47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
"""
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pyexcel_io.database.django
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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The lower level handler for django import and export
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:copyright: (c) 2014-2022 by Onni Software Ltd.
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:license: New BSD License, see LICENSE for more details
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"""
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from pyexcel_io.plugin_api import IReader
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from pyexcel_io.database.querysets import QuerysetsReader
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class DjangoModelReader(QuerysetsReader):
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"""Read from django model"""
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def __init__(self, model, export_columns=None, **keywords):
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self.__model = model
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if export_columns:
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column_names = export_columns
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else:
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column_names = sorted(
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[field.attname for field in self.__model._meta.concrete_fields]
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)
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QuerysetsReader.__init__(
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self, self.__model.objects.all(), column_names, **keywords
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)
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class DjangoBookReader(IReader):
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"""read django models"""
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def __init__(self, exporter, _, **keywords):
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self.exporter = exporter
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self.keywords = keywords
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self.content_array = self.exporter.adapters
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def read_sheet(self, native_sheet_index):
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native_sheet = self.content_array[native_sheet_index]
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reader = DjangoModelReader(
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native_sheet.model, export_columns=native_sheet.export_columns
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)
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return reader
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def close(self):
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pass
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