excelschema
Excel records' parser and schema viewing and validating tools.
Installation
Method 1:
$ pip install excelschema
Method 2:
- Clone the project from GitHub
poetry install
Usage
To read an Excel file, you may also need to install pyexcel and pyexcel-xlsx as well.
>>> from excelschema import SchemaParser
>>> import pyexcel
>>> sp = SchemaParser(records=pyexcel.get_records(file_name='foo.xlsx', sheet_name='bar'))
>>> sp.schema
{
'record_id': <class 'int'>,
'modified': <class 'datetime.datetime'>,
'data': <class 'str'>
}Validating records and convert it to a usable one.
>>> sp.ensure_one({'record_id': ' 12', 'data': 567})
{'record_id', 12, 'data': '567'}Setting constraints
>>> from excelschema import Constraint
>>> sp.update_schema({
... 'user_id': Constraint(type_=int, unique=True, not_null=True)
... })It is also possible to create an custom schema without an Excel
>>> sp = SchemaParser(schema={
... 'record_id': Constraint(type_=int, unique=True, not_null=True),
... 'modified': datetime
... })Bonus functions
Cleaning dirty Excel records
>>> from excelschema import parse_record
>>> parse_record({'foo': ' 1', 'bar': ' - ', 'baz': ' '})
{'foo', 1}
