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Example Word Finder widget for Orange3-Text
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from Orange.data import Table | |
from Orange.widgets import gui | |
from Orange.widgets.widget import OWWidget | |
from AnyQt.QtWidgets import QApplication, QLabel | |
from orangecontrib.text import Corpus | |
class OWWordFinder(OWWidget): | |
name = "Word Finder" | |
description = "Display whether a word is in a text or not." | |
icon = "icons/WordFinder.svg" | |
priority = 1 | |
inputs = [('Corpus', Table, 'set_data')] | |
# This widget will have no output, but in case you want one, you define it as below. | |
# outputs = [('Selected Documents', Table, )] | |
want_control_area = False | |
def __init__(self): | |
super().__init__() | |
self.corpus = None | |
self.word = "" | |
gui.widgetBox(self.mainArea, orientation="vertical") | |
self.input = gui.lineEdit(self.mainArea, self, '', | |
orientation="horizontal", | |
label='Query:') | |
self.input.setFocus() | |
self.input.textChanged.connect(self.search) | |
self.view = QLabel() | |
self.mainArea.layout().addWidget(self.view) | |
def set_data(self, data=None): | |
if data is not None and not isinstance(data, Corpus): | |
self.corpus = Corpus.from_table(data.domain, data) | |
self.corpus = data | |
self.search() | |
def search(self): | |
self.word = self.input.text() | |
result = any(self.word in doc for doc in self.corpus.tokens) | |
self.view.setText(str(result)) | |
if __name__ == '__main__': | |
app = QApplication([]) | |
widget = OWWordFinder() | |
corpus = Corpus.from_file('bookexcerpts') | |
corpus = corpus[:3] | |
widget.set_data(corpus) | |
widget.show() | |
app.exec() |
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