Source code for node_text2table

# coding=utf-8
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"""
Convert Text(s) into Table(s). The rows of the incoming Text will be rows in
the resulting output Table.
"""
import numpy as np
from sympathy.api import node as synode
from sympathy.api import node_helper
from sympathy.api.nodeconfig import Port, Ports, Tag, Tags, adjust

NAME = 'Text'


class Text2Table(synode.Node):
    parameters = synode.parameters()
    parameters.set_string(
        'name',
        label='Output name',
        value=NAME,
        description='Specify name for output column. Must be a legal name.')

    name = 'Text to Table'
    description = 'Convert Text of Table.'
    inputs = Ports([Port.Text('Input Text', name='text')])
    outputs = Ports([Port.Table('Table with input Text', name='table')])

    author = 'Erik der Hagopian'
    nodeid = 'org.sysess.sympathy.data.text.text2table'
    version = '0.1'
    icon = 'text2table.svg'
    tags = Tags(Tag.DataProcessing.Convert)

    def execute(self, node_context):
        name = node_context.parameters['name'].value
        table = node_context.output[0]
        text = node_context.input[0]
        table.set_column_from_array(
            name,
            np.array(text.get().splitlines()))


@node_helper.list_node_decorator(
    {'text': {'name': 'texts'}}, {'table': {'name': 'tables'}})
class Texts2Tables(Text2Table):
    name = 'Texts to Tables'
    nodeid = 'org.sysess.sympathy.data.text.texts2tables'


class Table2Text(synode.Node):
    name = 'Table to Text'
    description = 'Convert Table to Text'
    author = 'Magnus Sandén'
    nodeid = 'org.sysess.sympathy.data.text.table2text'
    version = '0.1'
    icon = 'table2text.svg'
    tags = Tags(Tag.DataProcessing.Convert)

    parameters = synode.parameters()
    parameters.set_string(
        'name', label='Column name',
        description='Specify name for input column.',
        editor=synode.editors.combo_editor(options=[], edit=True))

    inputs = Ports([Port.Table('Table with input Text', name='table')])
    outputs = Ports([Port.Text('Output Text', name='text')])

    def adjust_parameters(self, node_context):
        adjust(node_context.parameters['name'], node_context.input[0])

    def execute(self, node_context):
        name = node_context.parameters['name'].value
        table = node_context.input[0]
        text = node_context.output[0]
        text.set("".join(table.get_column_to_array(name)))