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June 17, 2022 04:23
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Save nokados/e8f0a64b55099f2f07a50f2b090c91c7 to your computer and use it in GitHub Desktop.
Paginator for pandas.DataFrame in Jupyter Notebook. UPD: use https://github.com/nvictus/pandas-jupyter-paginate instead
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| from IPython.core.display import display, HTML, clear_output | |
| from ipywidgets import widgets, Layout | |
| import math | |
| PAGESIZE=10 | |
| class Paginator: | |
| def __init__(self, df, pagesize = PAGESIZE, start_page = 0): | |
| self.df = df | |
| self.pagesize = pagesize | |
| self.page = start_page | |
| self.max_pages = math.ceil(df.shape[0] / self.pagesize) | |
| self.btn_next = widgets.Button(description='Next') | |
| self.btn_next.on_click(self.next_page) | |
| self.btn_prev = widgets.Button(description='Prev') | |
| self.btn_prev.on_click(self.prev_page) | |
| def get_page(self): | |
| return self.df.iloc[self.page * self.pagesize: (self.page + 1) * self.pagesize] | |
| def show(self): | |
| clear_output() | |
| self.control = widgets.HBox((self.btn_prev, | |
| widgets.Label('PAGE {}/{}'.format(self.page + 1, self.max_pages)), | |
| self.btn_next)) | |
| display(self.control) | |
| display(self.get_page()) | |
| display(self.control) | |
| def next_page(self, b): | |
| self.page = min(self.max_pages - 1, self.page + 1) | |
| self.show() | |
| def prev_page(self, b): | |
| self.page = max(0, self.page - 1) | |
| self.show() | |
The buttons don't work for me. Is there some settings I need to change?
Try to refresh the page with the notebook or restart the laptop.
If not working, you can switch the page with the commands p.next_page(None) and p.prev_page(None)
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The buttons don't work for me. Is there some settings I need to change?