scrape_3gpp.py

import os
import requests
from bs4 import BeautifulSoup
from urllib.parse import urljoin
import pandas as pd
import numpy as np
import zipfile
import textract
import gradio as gr
import shutil
from pypdf import PdfReader

def browse_folder(url):
    if url.lower().endswith(('docs', 'docs/')):
      return gr.update(choices=[])
    response = requests.get(url)
    response.raise_for_status()  # This will raise an exception if there's an error

    soup = BeautifulSoup(response.text, 'html.parser')

    excel_links = [a['href'] + '/' for a in soup.find_all('a', href=True) if a['href'].startswith(url)]

    return gr.update(choices=excel_links)



def extract_statuses(url):
    # Send a GET request to the webpage
    response = requests.get(url)

    # Parse the webpage content
    soup = BeautifulSoup(response.content, 'html.parser')

    # Find all links in the webpage
    links = soup.find_all('a')

    # Identify and download the Excel file
    for link in links:
        href = link.get('href')
        if href and (href.endswith('.xls') or href.endswith('.xlsx')):
            excel_url = href if href.startswith('http') else url + href
            excel_response = requests.get(excel_url)
            file_name = 'guide_status.xlsx' #excel_url.split('/')[-1]

            # Save the file
            with open(file_name, 'wb') as f:
                f.write(excel_response.content)

            # Read the Excel file
            df = pd.read_excel(file_name)

            # Check if 'TDoc Status' column exists and extract unique statuses
            if 'TDoc Status' in df.columns:
                unique_statuses = df['TDoc Status'].unique().tolist()
                print(f'Downloaded {file_name} and extracted statuses: {unique_statuses}')


                if 'withdrawn' in unique_statuses:
                    unique_statuses.remove('withdrawn')
                return gr.update(choices=unique_statuses, value=unique_statuses)
            else:
                print(f"'TDoc Status' column not found in {file_name}")
                return []


import os
import requests
from bs4 import BeautifulSoup
import pandas as pd
import gradio as gr


def scrape(url, folder_name, status_list, sorted_files, progress=gr.Progress()):
    filenames = []
    status_filenames = []
    df = pd.DataFrame()  # Initialize df to ensure it's always defined
    excel_file = "guide_status.xlsx"

    print("Downloading zip files directly from the URL...")
    response = requests.get(url)
    soup = BeautifulSoup(response.content, 'html.parser')

    # Select all zip files
    zip_links = [a['href'] for a in soup.find_all('a', href=True) if a['href'].endswith('.zip') ]

    sorted_files_tab = []
    # Check if the user selected some filters
    if len(sorted_files) != 0:
        for link in zip_links:
            for file in sorted_files:
                if file in link:
                    sorted_files_tab.append(link)

    if len(sorted_files_tab) != 0:
        zip_links = sorted_files_tab

    # Construct absolute URLs for zip files
    status_filenames = [url + link if not link.startswith('http') else link for link in zip_links]
    print(f"Filenames from URL: {status_filenames}")

    download_directory = folder_name
    if not os.path.exists(download_directory):
        os.makedirs(download_directory)

    pourcentss = 0.05



    # Proceed with downloading files
    for file_url in status_filenames:


        filename = os.path.basename(file_url)
        save_path = os.path.join(download_directory, filename)
        progress(pourcentss, desc='Downloading')
        pourcentss += 0.4 / max(len(status_filenames), 1)  # Ensure non-zero division



        try:
            with requests.get(file_url, stream=True) as r:
                r.raise_for_status()
                with open(save_path, 'wb') as f:
                    for chunk in r.iter_content(chunk_size=8192):
                        f.write(chunk)
        except requests.exceptions.HTTPError as e:
            print(f"HTTP error occurred while downloading {file_url}: {e}")

    return True, len(status_filenames)






def extractZip(url):
    # Répertoire où les fichiers zip sont déjà téléchargés
    nom_extract = url.split("/")[-3] + "_extraction"
    if os.path.exists(nom_extract):    
        shutil.rmtree(nom_extract)
    extract_directory = nom_extract

    download_directory = url.split("/")[-3] + "_downloads"
      # Répertoire où le contenu des fichiers zip sera extrait

    # Extraire le contenu de tous les fichiers zip dans le répertoire de téléchargement
    for zip_file in os.listdir(download_directory):
        zip_path = os.path.join(download_directory, zip_file)
        # Vérifier si le fichier est un fichier zip
        if zip_file.endswith(".zip"):
            extract_dir = os.path.join(extract_directory, os.path.splitext(zip_file)[0])  # Supprimer l'extension .zip

            # Vérifier si le fichier zip existe
            if os.path.exists(zip_path):
                # Créer un répertoire pour extraire le contenu s'il n'existe pas
                if not os.path.exists(extract_dir):
                    os.makedirs(extract_dir)

                # Extraire le contenu du fichier zip
                try:
                    with zipfile.ZipFile(zip_path, 'r') as zip_ref:
                        zip_ref.extractall(extract_dir)
    
                    print(f"Extraction terminée pour {zip_file}")
                except:
                    print(f"Erreur: Extraction {zip_file}")
            else:
                print(f"Fichier zip {zip_file} introuvable")

    print("Toutes les extractions sont terminées !")


def excel3gpp(url):
    response = requests.get(url)
    response.raise_for_status()  # This will raise an exception if there's an error

    # Use BeautifulSoup to parse the HTML content
    soup = BeautifulSoup(response.text, 'html.parser')

    # Look for Excel file links; assuming they have .xlsx or .xls extensions
    excel_links = [a['href'] for a in soup.find_all('a', href=True) if a['href'].endswith(('.xlsx', '.xls'))]

    # Download the first Excel file found (if any)
    if excel_links:
        excel_url = excel_links[0]  # Assuming you want the first Excel file
        if not excel_url.startswith('http'):
            excel_url = os.path.join(url, excel_url)  # Handle relative URLs

        # Download the Excel file
        excel_response = requests.get(excel_url)
        excel_response.raise_for_status()

        # Define the path where you want to save the file
        # Replace 'path_to_save_directory' with your desired path

        # Write the content of the Excel file to a local file
        # Write the content of the Excel file to a local file named 'guide.xlsx'

        nom_guide = 'guide.xlsx'  # Directly specify the filename
        if os.path.exists(nom_guide):
            os.remove(nom_guide)
        filepath = nom_guide


        with open(filepath, 'wb') as f:
            f.write(excel_response.content)
        print(f'Excel file downloaded and saved as: {filepath}')



def replace_line_breaks(text):
    return text.replace("\n", "/n")

def remod_text(text):
    return text.replace("/n", "\n")

def update_excel(data, excel_file, url):
    new_df_columns = ["URL", "File", "Type", "Title", "Source", "Related WIs", "Status", "Content"]
    temp_df = pd.DataFrame(data, columns=new_df_columns)
    
    try:
        # Check if the Excel file already exists and append data to it
        if os.path.exists(excel_file):
            old_df = pd.read_excel(excel_file)
            df = pd.concat([old_df, temp_df], axis=0, ignore_index=True)
        else:
            df = temp_df

        # Save the updated data back to the Excel file
        df.to_excel(excel_file, index=False)
    except Exception as e:
        print(f"Error updating Excel file: {e}")

def extractionPrincipale(url, excel_file=None, status_list=None, progress=gr.Progress()):
    nom_download = url.split("/")[-3] + "_downloads"
    if os.path.exists(nom_download):    
        shutil.rmtree(nom_download)
    folder_name = nom_download

    nom_status = url.split("/")[-3] + "_status.xlsx"
    if os.path.exists(nom_status):
        os.remove(nom_status)
    temp_excel = nom_status

    progress(0.0,desc='Downloading')

    #Sorting files, downloading only files which have the status selected by the user
    sorted_files = []

    try:
        guide_file = 'guide.xlsx'
        if os.path.exists(guide_file):
            dfStatus = pd.read_excel(guide_file)

            # Look if the user selected some filter status
            if len(dfStatus['TDoc Status'].unique().tolist()) != len (status_list):


                keys_statuses_filename = dfStatus['TDoc'].tolist()
                values_unique_statuses = dfStatus['TDoc Status'].tolist()

                doc_statuses = dict(zip(keys_statuses_filename, values_unique_statuses))
                for key in doc_statuses.keys():
                    if doc_statuses[key] in status_list:
                        sorted_files.append(key)

            print(sorted_files)
    except Exception as e:
        print(f"Not able to retrieve informations from 'guide.xlsx' ")

    result, count = scrape(url, folder_name, status_list, sorted_files)
    if result:
        print("Success")
    else:
        return(None)

    progress(0.4,desc='Extraction')
    extractZip(url)
    progress(0.5,desc='Extraction 2')
    excel3gpp(url)
    progress(0.6,desc='Creating Excel File')


    extract_directory = url.split("/")[-3] + "_extraction"
    TabCategories = ["URL", "File", "Title", "Source", "Related WIs", "Content"]
    categories = {
        "Other": TabCategories,
        "CR": TabCategories,
        "pCR": TabCategories,
        "LS": TabCategories,
        "WID": TabCategories,
        "SID": TabCategories,
        "DISCUSSION": TabCategories,
        "pdf": TabCategories,
        "ppt": TabCategories,
        "pptx": TabCategories
    }

    pourcents2=0.6
    data = []
    errors_count = 0
    processed_count = 0   # Counter for processed files

    pre_title_section = None

    try:
        df = pd.read_excel(temp_excel)
    except Exception as e:
        print(f"Initializing a new DataFrame because: {e}")
        df = pd.DataFrame(columns=["URL", "File", "Type", "Title", "Source", "Related WIs","Status", "Content"])

    for folder in os.listdir(extract_directory):
        folder_path = os.path.join(extract_directory, folder)
        if os.path.isdir(folder_path):
            for file in os.listdir(folder_path):
                progress(min(pourcents2,0.99),desc='Creating Excel File')
                pourcents2+=0.4/count


                if file == "__MACOSX":
                    continue
                file_path = os.path.join(folder_path, file)
                if file.endswith((".pptx", ".ppt", ".pdf", ".docx", ".doc", ".DOCX")):
                    try:
                        text = textract.process(file_path).decode('utf-8')
                        if file.endswith((".pdf")):
                            pdfReader = PdfReader(file_path)
                    except Exception as e:
                        print(f"Error processing {file_path}: {e}")
                        errors_count += 1
                        continue

                    cleaned_text_lines = text.split('\n')
                    cleaned_text = '\n'.join([line.strip('|').strip() for line in cleaned_text_lines if line.strip()])

                    title = ""
                    debut = ""
                    sections = cleaned_text.split("Title:")
                    if len(sections) > 1:
                        pre_title_section = sections[0].strip().split()
                        title = sections[1].strip().split("\n")[0].strip()
                        debut = sections[0].strip()

                    category = "Other"
                    if file.endswith(".pdf"):
                        category = "pdf"
                    elif file.endswith((".ppt", ".pptx")):
                        category = "ppt"  # assuming all ppt and pptx files go into the same category
                    elif "CHANGE REQUEST" in debut:
                        category = "CR"
                    elif "Discussion" in title:
                        category = "DISCUSSION"
                    elif "WID" in title:
                        category = "WID"
                    elif "SID" in title:
                        category = "SID"
                    elif "LS" in title:
                        category = "LS"
                    elif pre_title_section and pre_title_section[-1] == 'pCR':
                        category = "pCR"
                    elif "Pseudo-CR" in title:
                        category = "pCR"


                    contenu = ""  # This will hold the concatenated content for 'Contenu' column
                    if category in categories:
                        columns = categories[category]
                        extracted_content = []
                        if category == "CR":
                            reason_for_change = ""
                            summary_of_change = ""
                            if len(sections) > 1:
                                reason_for_change = sections[1].split("Reason for change", 1)[-1].split("Summary of change")[0].strip()
                                summary_of_change = sections[1].split("Summary of change", 1)[-1].split("Consequences if not")[0].strip()
                            extracted_content.append(f"Reason for change: {reason_for_change}")
                            extracted_content.append(f"Summary of change: {summary_of_change}")
                        elif category == "pCR":
                            if len(sections) > 1:# Handle 'pCR' category-specific content extraction
                                pcr_specific_content = sections[1].split("Introduction", 1)[-1].split("First Change")[0].strip()
                            extracted_content.append(f"Introduction: {pcr_specific_content}")
                        elif category == "LS":
                            overall_review = ""
                            if len(sections) > 1:
                                overall_review = sections[1].split("Overall description", 1)[-1].strip()
                            extracted_content.append(f"Overall review: {overall_review}")
                        elif category in ["WID", "SID"]:
                            objective = ""
                            start_index = cleaned_text.find("Objective")
                            end_index = cleaned_text.find("Expected Output and Time scale")
                            if start_index != -1 and end_index != -1:
                                objective = cleaned_text[start_index + len("Objective"):end_index].strip()
                            extracted_content.append(f"Objective: {objective}")
                        elif category == "DISCUSSION":
                            Discussion = ""
                            extracted_text = replace_line_breaks(cleaned_text)
                            start_index_doc_for = extracted_text.find("Document for:")
                            if start_index_doc_for != -1:
                                start_index_word_after_doc_for = start_index_doc_for + len("Document for:")
                                end_index_word_after_doc_for = start_index_word_after_doc_for + extracted_text[start_index_word_after_doc_for:].find("/n")
                                word_after_doc_for = extracted_text[start_index_word_after_doc_for:end_index_word_after_doc_for].strip()
                                result_intro = ''
                                result_conclusion = ''
                                result_info = ''
                                if word_after_doc_for.lower() == "discussion":
                                    start_index_intro = extracted_text.find("Introduction")
                                    end_index_intro = extracted_text.find("Discussion", start_index_intro)

                                    intro_text = ""
                                    if start_index_intro != -1 and end_index_intro != -1:
                                        intro_text = extracted_text[start_index_intro + len("Introduction"):end_index_intro].strip()
                                        result_intro = remod_text(intro_text)  # Convert back line breaks
                                    else:
                                        result_intro = "Introduction section not found."

                                    # Attempt to find "Conclusion"
                                    start_index_conclusion = extracted_text.find("Conclusion", end_index_intro)
                                    end_index_conclusion = extracted_text.find("Proposal", start_index_conclusion if start_index_conclusion != -1 else end_index_intro)

                                    conclusion_text = ""
                                    if start_index_conclusion != -1 and end_index_conclusion != -1:
                                        conclusion_text = extracted_text[start_index_conclusion + len("Conclusion"):end_index_conclusion].strip()
                                        result_conclusion = remod_text(conclusion_text)
                                    elif start_index_conclusion == -1:  # Conclusion not found, look for Proposal directly
                                        start_index_proposal = extracted_text.find("Proposal", end_index_intro)
                                        if start_index_proposal != -1:
                                            end_index_proposal = len(extracted_text)  # Assuming "Proposal" section goes till the end if present
                                            proposal_text = extracted_text[start_index_proposal + len("Proposal"):end_index_proposal].strip()
                                            result_conclusion = remod_text(proposal_text)  # Using "Proposal" content as "Conclusion"
                                        else:
                                            result_conclusion = "Conclusion/Proposal section not found."
                                    else:
                                        # Handle case where "Conclusion" exists but no "Proposal" to mark its end
                                        conclusion_text = extracted_text[start_index_conclusion + len("Conclusion"):].strip()
                                        result_conclusion = remod_text(conclusion_text)
                                    Discussion=f"Introduction: {result_intro}\nConclusion/Proposal: {result_conclusion}"
                                elif word_after_doc_for.lower() == "information":
                                    start_index_info = extracted_text.find(word_after_doc_for)
                                    if start_index_info != -1:
                                        info_to_end = extracted_text[start_index_info + len("Information"):].strip()
                                        result_info = remod_text(info_to_end)
                                    Discussion = f"Discussion:{result_info}"
                                else:
                                    Discussion = "The word after 'Document for:' is not 'Discussion', 'DISCUSSION', 'Information', or 'INFORMATION'."
                            else:
                                Discussion = "The phrase 'Document for:' was not found."
                            # Since DISCUSSION category handling requires more specific processing, adapt as necessary
                            # Here's a simplified example
                            discussion_details = Discussion
                            extracted_content.append(discussion_details)

                        elif category == "pdf":
                            try:
                                tabLine = []
                                file = pdfReader
                                pdfNumberPages = len(file.pages)
                                for pdfPage in range(0, pdfNumberPages):
                        
                                    load_page = file.get_page(pdfPage)
                                    text = load_page.extract_text()
                                    lines = text.split("\n")
                                    sizeOfLines = len(lines) - 1
                                    keyword = ["objective", "introduction", "summary", "scope"]
                        
                                    for index, line in enumerate(lines):
                                        print(line)
                                        for key in keyword:
                                            line = line.lower()
                        
                                            if key in line:
                                                print("Found keyword")
                                                lineBool = True
                                                lineIndex = index
                                                previousSelectedLines = []
                                                stringLength = 0
                                                linesForSelection = lines
                                                loadOnce = True
                                                selectedPdfPage = pdfPage
                        
                                                while lineBool:
                                                    print(lineIndex)
                                                    if stringLength > words_limit or lineIndex < 0:
                                                        lineBool = False
                                                    else:
                                                        if lineIndex == 0:
                                                            print(f"Line index == 0")
                        
                                                            if pdfPage == 0:
                                                                lineBool = False
                        
                                                            else:
                                                                try:
                                                                    selectedPdfPage -= 1
                                                                    newLoad_page = file.get_page(selectedPdfPage)
                                                                    newText = newLoad_page.extract_text()
                                                                    newLines = newText.split("\n")
                                                                    linesForSelection = newLines
                                                                    print(f"len newLines{len(newLines)}")
                                                                    lineIndex = len(newLines) - 1
                                                                except Exception as e:
                                                                    print(f"Loading previous PDF page failed")
                                                                    lineBool = False
                        
                                                        previousSelectedLines.append(linesForSelection[lineIndex])
                                                        stringLength += len(linesForSelection[lineIndex])
                        
                                                        lineIndex -= 1
                                                previousSelectedLines = ' '.join(previousSelectedLines[::-1])
                        
                                                lineBool = True
                                                lineIndex = index + 1
                                                nextSelectedLines = ""
                                                linesForSelection = lines
                                                loadOnce = True
                                                selectedPdfPage = pdfPage
                        
                                                while lineBool:
                        
                                                    if len(nextSelectedLines.split()) > words_limit:
                                                        lineBool = False
                                                    else:
                                                        if lineIndex > sizeOfLines:
                                                            lineBool = False
                        
                                                            if pdfPage == pdfNumberPages - 1:
                                                                lineBool = False
                        
                                                            else:
                                                                try:
                                                                    selectedPdfPage += 1
                                                                    newLoad_page = file.get_page(selectedPdfPage)
                                                                    newText = newLoad_page.extract_text()
                                                                    newLines = newText.split("\n")
                                                                    linesForSelection = newLines
                                                                    lineIndex = 0
                                                                except Exception as e:
                                                                    print(f"Loading next PDF page failed")
                                                                    lineBool = False
                                                        else:
                                                            nextSelectedLines += " " + linesForSelection[lineIndex]
                                                        lineIndex += 1
                        
                                                print(f"Previous Lines : {previousSelectedLines}")
                                                print(f"Next Lines : {nextSelectedLines}")
                                                selectedText = previousSelectedLines + ' ' + nextSelectedLines
                                                print(selectedText)
                                                tabLine.append([pdfPage, selectedText, key])
                                                print(f"Selected line in keywords is: {line}")
                        
                                for r in tabLine:
                                    extracted_content.append(f'PDF Page number {r[0]} extracted text from the KEYWORD {r[2]} : \n')
                                    extracted_content.append(''.join(r[1])) 
                            except Exception as e:
                                print(f"Error occured while extracting PDF content : {e}")
                        # Add more categories as needed
                        contenu = "\n".join(extracted_content)

                    # Assuming 'source' needs to be filled from the guide.xlsx mapping
                    # Placeholder for source value calculation
                    source = ""  # Update this with actual source determination logic
                    RelatedWIs = ""
                    status = ""
                    data.append([url+ "/" + folder + '.zip', folder , category, title, source, RelatedWIs, status, contenu])

                    guide_file = 'guide.xlsx'
                    if os.path.exists(guide_file):
                        # If guide.xlsx exists, proceed with operations that require it
                        try:
                            guide_df = pd.read_excel(guide_file, usecols=['Source', 'TDoc', 'Related WIs', 'TDoc Status'])
                            # Continue with the operations that require guide.xlsx
                            # For example, reading the file, processing the data, etc.
                            tdoc_source_map = {row['TDoc']: row['Source'] for index, row in guide_df.iterrows()}
                            tdoc_relatedWIs_map = {row['TDoc']: row['Related WIs'] for index, row in guide_df.iterrows()}
                            tdoc_status_map = {row['TDoc']: row['TDoc Status'] for index, row in guide_df.iterrows()}
                            # Update the 'Source' in your data based on matching 'Nom du fichier' with 'TDoc'
                            for item in data:
                                nom_du_fichier = item[1]  # Assuming 'Nom du fichier' is the first item in your data list
                                if nom_du_fichier in tdoc_source_map:
                                    item[4] = tdoc_source_map[nom_du_fichier]  # Update the 'Source' field, assuming it's the fourth item
                                    item[5] = tdoc_relatedWIs_map[nom_du_fichier]
                                    item[6] = tdoc_status_map[nom_du_fichier]
                            # Your code that depends on guide.xlsx goes here
                            
                        except Exception as e:
                            print(f"An error occurred while processing {guide_file}: {e}")
                            # Handle any errors that arise during processing
                    else:
                        print(f"File {guide_file} not found. Skipping operations that require this file.")
                        # Since guide.xlsx is not found, skip the related operations
                        
                        
                    


                    processed_count += 1

                # Check if it's time to update the Excel file
                    if processed_count % 20 == 0:
                        update_excel(data, temp_excel, url)
                        print(f"Updated after processing {processed_count} files.")
                        data = []  # Clear the data list after updating

    if data:
    # This final call ensures that any remaining data is processed and saved.
        update_excel(data, temp_excel, url)
        print(f"Final update after processing all files.")

    file_name = temp_excel
    # Save the updated DataFrame to Excel
    return file_name