def __init__(self, **kwargs):
super().__init__(**kwargs)
self.file_dialog = FileDialog(dir='~', filters=['*.csv'],
size_hint=(0.8, 0.8))
# This binds two properties together
self.file_dialog.bind(file_chosen=self.setter('file_chosen'))
self.tainted = True
self.tainted_msg = 'File not chosen in block {}!'.format(self.title)
class CSVInBlock(Block):
out_1 = ObjectProperty()
file_chosen = StringProperty()
file_dialog = ObjectProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.file_dialog = FileDialog(dir='~', filters=['*.csv'],
size_hint=(0.8, 0.8))
# This binds two properties together
self.file_dialog.bind(file_chosen=self.setter('file_chosen'))
self.tainted = True
self.tainted_msg = 'File not chosen in block {}!'.format(self.title)
def function(self):
self.out_1.val = pd.read_csv(self.file_chosen, header=0)
def on_file_chosen(self, instance, value):
self.tainted = not value.endswith('.csv')
class CSVOutBlock(Block):
in_1 = ObjectProperty()
path = StringProperty()
file_dialog = ObjectProperty()
def __init__(self, **kwargs):
super().__init__(**kwargs)
self.file_dialog = FileDialog(dir='~', filters=['*.csv'],
size_hint=(0.8, 0.8))
# Let's bind two together
self.file_dialog.bind(file_chosen=self.setter('path'))
self.tainted = True
self.tainted_msg = 'File not chosen in block {}!'.format(self.title)
def function(self):
if type(self.in_1.val) == np.ndarray:
self.in_1.val = pd.DataFrame(self.in_1.val)
self.in_1.val.to_csv(path_or_buf=self.path, index=False)
def on_path(self, instance, value):
self.tainted = not value.endswith('.csv')