Delete parsing.py
Browse files- parsing.py +0 -245
parsing.py
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# -*- coding: utf-8 -*-
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"""parsing.ipynb
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Automatically generated by Colaboratory.
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Original file is located at
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https://colab.research.google.com/drive/1thvkAz498jADcaVirJG91V-3-XBhdkq1
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"""
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import requests
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from bs4 import BeautifulSoup
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import re
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import os
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import pandas as pd
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import numpy as np
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from tqdm import tqdm
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def get_transcripts_from_url(url):
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# Send a GET request to the URL and retrieve the webpage content
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response = requests.get(url)
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# Parse the HTML content using Beautiful Soup
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soup = BeautifulSoup(response.content, 'html.parser')
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# Find elements by tag name
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titles = soup.find_all('li')
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# names for series
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transcript_paths = []
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# Extract text from elements
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for title in titles:
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a = title.find('a')
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path = a.get("href")
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transcript_paths.append("https://fangj.github.io/friends/" + path)
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return transcript_paths
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def get_text_from_html(url):
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path = url
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response = requests.get(path)
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html_content = response.text
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# Parse HTML content
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soup = BeautifulSoup(html_content, 'html.parser')
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transcript = soup.find_all('p')
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transcript_name = path.split("/")[-1].replace(".html", ".txt")
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with open(os.path.join("friends_raw_scripts", transcript_name), 'w', encoding='utf-8') as file:
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text = soup.get_text(strip=False).lower().replace("'", ""). replace('"', "").replace("\xa0", "")
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file.write(text + "\n")
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return transcript_name
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def clean_and_write_text(transcript_name):
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char = []
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texts = []
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flag = None
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pattern = re.compile(r'\b\w+:')
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with open(os.path.join("friends_raw_scripts", transcript_name), 'r', encoding='utf-8') as file:
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final_transcript = file.readlines()
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skip_lines = 10
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pattern = re.compile(r'\b\w+:')
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scene_words = ["commercial break", "closing credits", "opening credits", "end"]
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for ind in range(1, len(final_transcript) - 1):
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final_list = []
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pre_line = final_transcript[ind - 1].strip()
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cur_line = final_transcript[ind].strip()
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next_line = final_transcript[ind + 1].strip()
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next_condition = re.sub(r"\([^()]*\)|\[[^\[\]]*\]", '', next_line).strip()
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cur_conditon = re.sub(r"\([^()]*\)|\[[^\[\]]*\]", '', cur_line).strip()
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if sum([bool(pre_line), bool(cur_line), bool(next_line)]) == 1:
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continue
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elif cur_line in scene_words:
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continue
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elif "by:" in cur_line or "note:" in cur_line:
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continue
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elif "[" in cur_line or "]" in cur_line:
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continue
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elif not cur_conditon:
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continue
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elif pattern.search(cur_line) and flag == None:
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name, text = cur_line.split(":", maxsplit=1)
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char.append(name)
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text = re.sub(r'\([^)]*\)', '', text)
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text = text.strip()
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flag = "char"
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if pattern.search(next_line) or not next_condition or next_line in scene_words or "[" in next_line:
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texts.append(text)
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flag = None
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if len(char) != len(texts):
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print(ind)
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print(char[-1], texts[-1])
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elif cur_line and flag == 'char':
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text += " " + cur_line
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if pattern.search(next_line) or not next_condition or next_line in scene_words or "[" in next_line:
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text = re.sub(r"\([^()]*\)|\[[^\[\]]*\]", '', text).strip()
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texts.append(text)
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flag = None
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if len(char) != len(texts):
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print(ind)
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print(char[-1], texts[-1])
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new_name = "pre_" + transcript_name
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with open(os.path.join("friends_preprocessed_scripts", new_name), 'w', encoding='utf-8') as file:
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for c, d in zip(char, texts):
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file.write(f"{c}: {d}\n")
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raw_texts_exists = False # change on False to download transcripts and preprocess them
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# parse data from website to get txt transcripts
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transcript_paths = get_transcripts_from_url("https://fangj.github.io/friends/")
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transcript_paths[:10]
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os.makedirs("friends_preprocessed_scripts", exist_ok=True)
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os.makedirs("friends_raw_scripts", exist_ok=True)
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# define list with certain scripts from south park
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# dir_list = [file for file in os.listdir("./raw_scripts")]
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if not raw_texts_exists:
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print("Parse all scripts from this website https://fangj.github.io/friends/")
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for path in tqdm(transcript_paths, desc='Total'):
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transcript_name = get_text_from_html(path)
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clean_and_write_text(transcript_name)
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dir_list = [file for file in os.listdir("./friends_preprocessed_scripts")]
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def df_scripts(path):
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"""function take preprocessed_script.txt from dir and create dataframes"""
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chars = []
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texts = []
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with open(os.path.join("friends_preprocessed_scripts", path), 'r', encoding="utf-8") as file:
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for line in file:
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char, text = line.split(":", 1)
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chars.append(char)
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texts.append(text.strip().lower())
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df_name = path.replace("prep_SP_", "df_").replace(".txt", ".csv")
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df = pd.DataFrame({'Characters': chars, 'Dialogs': texts})
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df.to_csv(os.path.join("dataframes", "friends", df_name), index=False)
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os.makedirs("dataframes/friends", exist_ok=True)
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for preprocessed_script in dir_list:
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df_scripts(preprocessed_script)
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def collect_df():
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"""function concatenate dataframes in one single dataframe"""
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dfs = []
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for file in os.listdir("dataframes/friends"):
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dfs.append(pd.read_csv(os.path.join("dataframes", "friends", file)))
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df = pd.concat(dfs, ignore_index=True).dropna().reset_index(drop=True)
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# print(df["Characters"].value_counts()[:10])
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return df
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"""### Which most frequent characters we can meet in the movie"""
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def form_df(df, char):
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# get indices where character is favorite_character
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favorite_character_df = df[df.Characters == char] # .dropna()
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favorite_character_ind = favorite_character_df.index.tolist()
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# get indices where speech could be to favorite charecter
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text_to_favorite_character_ind = (np.array(favorite_character_ind) - 1).tolist()
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# form datasets with favorite charecter's dialogs and possible dialogs to favorite charecter
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# favorite_character_dialog = df.iloc[favorite_character_ind] restore
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favorite_character_dialog = df[df.index.isin(favorite_character_ind)]
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# text_to_favorite_character = df.iloc[text_to_favorite_character_ind] restore# .dropna(subset=["Dialogs"])
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text_to_favorite_character = df[df.index.isin(text_to_favorite_character_ind)]
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# remove from text to cartman rows where speak Cartman
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text_to_favorite_character = text_to_favorite_character[text_to_favorite_character["Characters"] != char]
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# save data for debugging. Uncomment if necessary
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# favorite_character_dialog.to_csv("test_favotite.csv", index=favorite_character_ind)
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# text_to_favorite_character.to_csv("test_question.csv", index=text_to_favorite_character_ind)
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# find in dialog_to_cartman lines with char "?"
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# mask = text_to_favorite_character['Dialogs'].str.contains('\?')
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# question_to_favorite_character = text_to_favorite_character[mask]
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question_to_favorite_character = text_to_favorite_character # delete if return question char ?
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# save data for debugging. Uncomment if necessary
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# question_to_favorite_character.to_csv("question_to_favorite_character.csv")
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question_to_favorite_character_ind = question_to_favorite_character.index.tolist()
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true_answers_ind = (np.array(question_to_favorite_character_ind) + 1).tolist()
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# favorite_character_answer = favorite_character_dialog.loc[true_answers_ind]
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favorite_character_answer = favorite_character_dialog[favorite_character_dialog.index.isin(true_answers_ind)]
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# save data for debugging. Uncomment if necessary
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# favorite_character_answer.to_csv("favorite_character_answer.csv")
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# change name of columns for final dataframe
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question_to_favorite_character = question_to_favorite_character.rename(
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columns={"Characters": "questioner", "Dialogs": "question"})
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favorite_character_answer = favorite_character_answer.rename(columns={"Characters": char, "Dialogs": "answer"})
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question_to_favorite_character.reset_index(inplace=True, drop=True)
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favorite_character_answer.reset_index(inplace=True, drop=True)
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df = pd.concat([question_to_favorite_character, favorite_character_answer], axis=1)
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return df
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"""## Choose your favorite character"""
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# concatenate data in one single dataframe
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df = collect_df()
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df.to_csv("full_trancscripts.csv", index=False)
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# form the final dataset for tf-idf / word2vec, which no need labels between strings
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characters = ["rachel", "ross", "chandler", "monica", "joey", "phoebe"]
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print()
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for char in characters:
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print(f"Prepare data for {char} -> {char}_friends.csv")
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df_char = form_df(df, char)
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# create final dataframe
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df_char.to_csv(char + "_friends.csv", index=False)
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print("scripts created")
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