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Add application file
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app.py
ADDED
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import streamlit as st
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import pandas as pd
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import random
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pd.options.mode.chained_assignment = None
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@st.cache_data
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def get_data():
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df = pd.read_csv('movies_prepared.csv')
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return df
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df = get_data()
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df.dialog = df.dialog.apply(lambda x: eval(x) if isinstance(x, str) else x)
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df.order = df.order.apply(lambda x: eval(x) if isinstance(x, str) else x)
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df.characters = df.characters.apply(
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lambda x: eval(x) if isinstance(x, str) else x)
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df.genres = df.genres.apply(lambda x: eval(x) if isinstance(x, str) else x)
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df.names = df.names.apply(lambda x: eval(x) if isinstance(x, str) else x)
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labels = [
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'Positive',
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'Negative',
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'Neutral'
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]
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mapping = {i: k for i, k in enumerate(labels)}
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st.sidebar.header('Выбор фильма и персонажа')
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movie_title = st.sidebar.selectbox('Название фильма',
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df.movie_title.unique().tolist())
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character = st.sidebar.selectbox('Персонаж',
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[' '] + df[
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df.movie_title == movie_title].names.explode().unique().tolist(),
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disabled=False)
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movie_id_ = df.query('movie_title == @movie_title').movie_id.unique().item()
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def genres_stat(movie_id, character=None):
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df_final = df.query('movie_id == @movie_id')
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df_final['emotion'] = df_final.dialog.apply(
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lambda x: [random.randint(0, 2) for _ in x])
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df_final['emotion'] = df_final.emotion.apply(
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lambda x: [mapping[i] for i in x])
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df_final.reset_index(inplace=True, drop=True)
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df_final = df_final[['names', 'emotion']]
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df_final = df_final.explode(['names', 'emotion'])
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df_final = df_final.groupby('names')['emotion'].value_counts(
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normalize=True).to_frame('frequency')
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if character is not None:
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df_to_return = df_final.loc[character]
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df_to_return.index.names = ['Эмоция']
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return df_to_return.rename(columns={
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'frequency': f'Соотношение для персонажа {character}'})
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else:
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df_final.index.names = ['Персонаж', 'Эмоция']
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return df_final.rename(
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columns={'frequency': f'Соотношение'}) # т.к. персонажей в фильме может быть много, возвращаем в текстовом формате
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st.header(f'Выбранный фильм: {movie_title}')
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if character == ' ':
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st.subheader('Персонаж не выбран')
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st.write(genres_stat(movie_id_))
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else:
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st.subheader(f'Выбранный персонаж: {character}')
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st.write(genres_stat(movie_id_, character))
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