galactic.io.data.text

galactic.io.data.text#

galactic.io.data.text module

Defines the data reader for plain text files.

Class

class TextDataReader#

Bases: object

TXT data reader.

Example

>>> from pprint import pprint
>>> from galactic.io.data.text import TextDataReader
>>> reader = TextDataReader()
>>> import io
>>> text = '''Observations: 1 2 3
... Attributes: a b c d e
... 1: a c
... 2: a b
... 3: b d e
... '''
>>> dataset = reader.read(io.StringIO(text))
>>> pprint({key: dict(value) for key, value in dataset.items()})
{'1': {'a': True, 'b': False, 'c': True, 'd': False, 'e': False},
 '2': {'a': True, 'b': True, 'c': False, 'd': False, 'e': False},
 '3': {'a': False, 'b': True, 'c': False, 'd': True, 'e': True}}
extensions()#

Return an iterator over the supported file extensions.

Returns:

An iterator over the supported file extensions

Return type:

Iterator[str]

read(data_file)#

Read a TXT data file.

Parameters:

data_file (TextIO) – A readable text file

Returns:

The dataset read from the file

Return type:

DataSet

Raises:

ValueError – If the format is incorrect

register()#

Register an instance of a TXT data reader.

Return type:

None

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