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import json |
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import pathlib |
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import pandas as pd |
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import streamlit as st |
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from utils import call_subprocess |
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from components import add_toggle_vertical |
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def read_data(data): |
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if data is not None: |
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df = pd.read_csv(data) |
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return df |
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else: |
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return None |
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@st.cache_data |
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def read_data_cached(data): |
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return read_data(data) |
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def generate_data(out_path, num_classes, num_observations, seed) -> None: |
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call_subprocess( |
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f"Rscript generate_data.R --out_path {out_path} --num_classes {num_classes} --num_observations {num_observations} --seed {seed}", |
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message="Data generation script", |
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return_output=True, |
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encoding="UTF-8", |
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) |
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class DownloadHeader: |
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""" |
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Class for showing header and download button (for an image file) in the same row. |
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""" |
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@staticmethod |
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def slider_and_image_download( |
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filepath, |
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slider_label, |
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toggle_label, |
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download_label="Download", |
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slider_min=0.0, |
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slider_max=2.0, |
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slider_value=1.0, |
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slider_step=0.1, |
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slider_help=None, |
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toggle_value=False, |
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toggle_cols=[2, 5], |
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download_help="Download plot", |
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key=None, |
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) -> int: |
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col1, col2, col3, col4 = st.columns([2, 6, 3, 3]) |
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with col2: |
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image_col_size = st.slider( |
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slider_label, |
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min_value=slider_min, |
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max_value=slider_max, |
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value=slider_value, |
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step=slider_step, |
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help=slider_help, |
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key=key + "_slider" if key is not None else key, |
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) |
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with col3: |
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toggle_state = add_toggle_vertical( |
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label=toggle_label, |
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key=key + "_toggle" if key is not None else key, |
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default=toggle_value, |
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cols=toggle_cols, |
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) |
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with col4: |
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st.write("") |
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with open(filepath, "rb") as img: |
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st.download_button( |
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label=download_label, |
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data=img, |
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file_name=pathlib.Path(filepath).name, |
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mime="image/png", |
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key=key + "_download" if key is not None else key, |
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help=download_help, |
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) |
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return image_col_size, toggle_state |
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@staticmethod |
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def _convert_df_to_csv(data, **kwargs): |
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return data.to_csv(**kwargs).encode("utf-8") |
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@staticmethod |
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def header_and_data_download( |
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header, |
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data, |
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file_name, |
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col_sizes=[9, 2], |
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key=None, |
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label="Download", |
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help="Download data", |
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): |
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col1, col2 = st.columns(col_sizes) |
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with col1: |
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st.subheader(header) |
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with col2: |
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st.write("") |
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st.download_button( |
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label=label, |
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data=DownloadHeader._convert_df_to_csv(data, index=False), |
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file_name=file_name, |
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key=key, |
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help=help, |
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) |
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@staticmethod |
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def centered_json_download( |
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data: dict, |
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file_name, |
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download_col_size=5, |
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key=None, |
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label="Download", |
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help="Download json file", |
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): |
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col1, col2, col1 = st.columns([5, download_col_size, 5]) |
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with col2: |
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data_json = json.dumps(data) |
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st.download_button( |
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label=label, |
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data=data_json, |
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file_name=file_name, |
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key=key, |
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mime="application/json", |
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help=help, |
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) |
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