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jupyter_helper.py
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jupyter_helper.py
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import qgrid
import io
from IPython.display import display
import fileupload
import os
from IPython.core.display import display, HTML
def set_style():
display(HTML("<style>.container { width:90% !important; }</style>"))
display(HTML("<style>table {margin-left: 0 !important;}</style>"))
def show_df(df):
grid_options = {
'fullWidthRows': True,
'syncColumnCellResize': True,
'forceFitColumns': False,
'defaultColumnWidth': 150,
'rowHeight': 28,
'enableColumnReorder': False,
'enableTextSelectionOnCells': True,
'editable': True,
'autoEdit': True,
'explicitInitialization': True,
'maxVisibleRows': 15,
'minVisibleRows': 8,
'sortable': True,
'filterable': True,
'highlightSelectedCell': False,
'highlightSelectedRow': True
}
qgrid_widget = qgrid.QgridWidget(
df=df, grid_options=grid_options, show_toolbar=True)
return qgrid_widget
def file_uploader(upload_dir='examples/uploaded', button_label='Upload .CSV file'):
_upload_widget = fileupload.FileUploadWidget(label=button_label)
if not os.path.exists(upload_dir):
os.makedirs(upload_dir)
def _cb(change):
decoded = io.StringIO(change['owner'].data.decode('utf-8'))
filename = change['owner'].filename
fpath = os.path.join(upload_dir,filename)
print('Uploaded `{}` ({:.2f} kB)'.format(
fpath, len(decoded.read()) / 2 **10))
with io.open(fpath, 'w') as fd:
fd.write(decoded.getvalue())
decoded.close()
_upload_widget.observe(_cb, names='data')
display(_upload_widget)