Refactor: import data managment command for better modularity
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1 changed files with 400 additions and 201 deletions
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@ -1,12 +1,13 @@
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from datetime import datetime
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import os
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import json
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import logging
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from abc import ABC, abstractmethod
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from typing import Dict, Any, Optional
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from django.utils import timezone
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from tqdm.auto import tqdm
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from PIL import Image as PillowImage
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from django.core.management.base import BaseCommand
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from apps.files.models import (
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@ -35,88 +36,79 @@ from apps.files.tasks import (
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)
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class Command(BaseCommand):
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help = "Import data from JSON files in a folder or a single JSON file to the Twitter archive"
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class BaseImporter(ABC):
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"""Base abstract class for all site importers."""
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def add_arguments(self, parser):
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parser.add_argument(
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"path",
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type=str,
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help="Path to the folder containing JSON files or a single JSON file",
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)
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parser.add_argument(
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"--delete", action="store_true", help="Delete imported files"
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)
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def __init__(self, command_instance):
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self.command = command_instance
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self.logger = logging.getLogger(f"importer.{self.__class__.__name__}")
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def handle(self, *args, **kwargs):
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path = kwargs["path"]
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delete = kwargs["delete"]
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@abstractmethod
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def import_data(
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self, data: Dict[str, Any], file_path_json: str, delete: bool
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) -> None:
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"""Import data from JSON file into the database."""
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pass
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if os.path.isfile(path):
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self.process_json_file(path, delete)
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elif os.path.isdir(path):
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self.process_json_folder(path, delete)
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else:
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self.stdout.write(
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self.style.ERROR(f"The path '{path}' is not a valid file or folder.")
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)
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return
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def log_info(self, message: str) -> None:
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"""Log an informational message."""
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tqdm.write(message)
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self.logger.info(message)
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def process_json_file(self, file_path, delete):
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# self.stdout.write(self.style.NOTICE(f"Importing data from: {file_path}"))
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tqdm.write(f"Importing data from: {file_path}")
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def log_success(self, message: str) -> None:
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"""Log a success message."""
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styled_message = self.command.style.SUCCESS(message)
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tqdm.write(styled_message)
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self.logger.info(message)
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with open(file_path, "r") as f:
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data = json.load(f)
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def log_error(self, message: str) -> None:
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"""Log an error message."""
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styled_message = self.command.style.ERROR(message)
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tqdm.write(styled_message)
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self.logger.error(message)
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self.import_data(data, file_path, delete)
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def log_warning(self, message: str) -> None:
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"""Log a warning message."""
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styled_message = self.command.style.WARNING(message)
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tqdm.write(styled_message)
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self.logger.warning(message)
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# self.stdout.write(self.style.SUCCESS('Data imported successfully.'))
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tqdm.write(self.style.SUCCESS("Data imported successfully."))
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def get_or_create_source_site(self, category: str) -> SourceSiteModel:
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"""Get or create a source site model instance."""
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source_site_instance, _ = SourceSiteModel.objects.get_or_create(slug=category)
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source_site_instance.save()
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return source_site_instance
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def process_json_folder(self, folder_path, delete):
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if not os.path.exists(folder_path):
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# self.stdout.write(self.style.ERROR(f"The folder '{folder_path}' does not exist."))
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tqdm.write(self.style.ERROR(f"The folder '{folder_path}' does not exist."))
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return
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# Use os.walk dynamically, and count total files to show progress incrementally
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tqdm.write("Counting total files...")
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total_files = sum(len(files) for _, _, files in os.walk(folder_path))
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with tqdm(
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total=total_files, desc="Processing JSON files", dynamic_ncols=True
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) as progress_bar:
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for root, dirs, files in os.walk(folder_path):
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for file_name in files:
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progress_bar.update(1) # Increment progress for each file
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if file_name.endswith(".json"):
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file_path = os.path.join(root, file_name)
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self.process_json_file(file_path, delete)
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def import_file(self, file_path, model, delete=False):
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def import_file(
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self, file_path: str, delete: bool = False
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) -> Optional[PostFileModel]:
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"""
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Imports a file if it doesn't already exist in the database and returns the instance.
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Import a file if it doesn't already exist in the database and returns the instance.
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:param file_path: The path to the file to import.
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:param model: The model class to which the file instance should be linked.
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:param delete: Whether to delete the imported file after processing.
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:return: The file instance.
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Args:
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file_path: The path to the file to import.
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delete: Whether to delete the imported file after processing.
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Returns:
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The file instance or None if file doesn't exist.
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"""
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if not os.path.exists(file_path):
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self.log_warning(f"File not found: {file_path}")
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return None
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file_instance = None # Initialize file_instance to None
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if os.path.exists(file_path):
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file_hash = compute_file_hash_blake3(file_path, logger=self)
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try:
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file_hash = compute_file_hash_blake3(file_path, logger=self.command)
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file_name = os.path.basename(file_path)
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_, file_ext = os.path.splitext(file_name)
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hash_file_name = file_hash + file_ext
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# Get or create file name
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file_name_instance, _ = FileNameModel.objects.get_or_create(
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filename=file_name
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)
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# Get or create file
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file_instance, created = PostFileModel.objects.get_or_create(
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hash_blake3=file_hash
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)
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@ -124,8 +116,8 @@ class Command(BaseCommand):
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if created:
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with open(file_path, "rb") as file:
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file_instance.file.save(hash_file_name, file)
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file_instance.save()
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# Add file metadata
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file_instance.name.add(file_name_instance)
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file_instance.extension = file_ext
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file_instance.size = os.path.getsize(file_path)
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@ -138,189 +130,396 @@ class Command(BaseCommand):
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file_instance.save()
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# Process image-specific properties
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if file_instance.mimetype.startswith("image/"):
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# Add Image blur hash if not existing.
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# Add Image blur hash if not existing
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if not file_instance.blur_hash:
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generate_blur_hash_PostFile.delay(file_instance.id)
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# Get image resolution
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im = PillowImage.open(file_instance.file)
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file_instance.height, file_instance.width = im.size
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file_instance.save()
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try:
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im = PillowImage.open(file_instance.file)
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file_instance.height, file_instance.width = im.size
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file_instance.save()
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except Exception as e:
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self.log_error(f"Error getting image dimensions: {str(e)}")
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# Process video thumbnails
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if file_instance.file_type in ["video", "gif"]:
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if not file_instance.thumbnail:
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generate_video_thumbnail.delay(file_instance.id)
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# Generate MD5 hash if not exists
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if not file_instance.hash_md5:
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generate_md5_hash_PostFile.delay(file_instance.id)
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if created:
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tqdm.write(
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self.style.SUCCESS(
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f"Imported: {file_path} file, new instance created"
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)
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)
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self.log_success(f"Imported: {file_path} file, new instance created")
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else:
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tqdm.write(
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self.style.SUCCESS(f"Imported: {file_path} file, instance updated")
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)
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self.log_success(f"Imported: {file_path} file, instance updated")
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# Delete the imported file if the --delete flag is used
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self.delete_imported_file(file_path, delete)
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return file_instance
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def delete_imported_file(self, file_path, delete=False):
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"""
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Delete the file if the --delete flag is used
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:param delete: Whether to delete the imported file after processing.
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"""
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if delete:
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if os.path.exists(file_path):
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if delete and os.path.exists(file_path):
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os.remove(file_path)
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tqdm.write(self.style.SUCCESS(f"Deleted: {file_path}"))
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else:
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tqdm.write(self.style.WARNING(f"File not found: {file_path}"))
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self.log_success(f"Deleted: {file_path}")
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def import_data(self, data, file_path_json, delete):
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""" """
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return file_instance
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# Get source site and create it if it doesn't exist
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category = data.get("category")
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except Exception as e:
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self.log_error(f"Error importing file {file_path}: {str(e)}")
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return None
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source_site_instance, Null = SourceSiteModel.objects.get_or_create(
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slug=category
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)
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def add_description(
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self,
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description_text: str,
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date_str: str,
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date_format: str,
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owner_instance,
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owner_type: str,
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file_date,
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) -> None:
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"""
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Add description to a post or creator.
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source_site_instance.save()
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if category == "twitter":
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if "author" in data.keys():
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creator_instance, Null = CreatorModel.objects.get_or_create(
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slug=data["author"]["name"], source_site=source_site_instance
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)
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creator_instance.creator_id = data["author"]["id"]
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creator_instance.name = data["author"]["nick"]
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if "description" in data["author"].keys():
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description_text = data["author"]["description"]
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description_hash = compute_string_hash_blake3(
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description_text, logger=self
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)
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description_instance, created = (
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DescriptionModel.objects.get_or_create(hash=description_hash)
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)
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if created:
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description_instance.content = description_text
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description_instance.save()
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# Add to CreatorDescription through model with a custom date_imported
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creator_description_instance, created = (
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CreatorDescription.objects.get_or_create(
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creator=creator_instance, description=description_instance
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)
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)
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creator_description_instance.date_imported = timezone.make_aware(
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datetime.fromtimestamp(os.path.getmtime(file_path_json))
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)
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creator_description_instance.save()
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creator_instance.date_created = timezone.make_aware(
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datetime.strptime(data["author"]["date"], "%Y-%m-%d %H:%M:%S")
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)
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creator_instance.save()
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post_instance, Null = PostModel.objects.get_or_create(
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post_id=data["tweet_id"], source_site=source_site_instance
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)
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if "subcategory" in data.keys():
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category_instance, _ = CategoryModel.objects.get_or_create(
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slug=data["subcategory"]
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Args:
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description_text: The description text to add
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date_str: Date string of when the description was created
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date_format: Format of the date string
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owner_instance: The post or creator instance
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owner_type: Either 'post' or 'creator'
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file_date: Timestamp of the file for imported date
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"""
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try:
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description_hash = compute_string_hash_blake3(
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description_text, logger=self.command
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)
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if _:
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category_instance.name = data["subcategory"].capitalize()
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category_instance.save()
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creator_instance.refresh_from_db()
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creator_instance.categories.add(category_instance)
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creator_instance.save()
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post_instance.category.add(category_instance)
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post_instance.creator = creator_instance
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post_instance.date_created = timezone.make_aware(
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datetime.strptime(data["date"], "%Y-%m-%d %H:%M:%S"),
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)
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if "sensitive" in data.keys():
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if data["sensitive"]:
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post_instance.mature = data["sensitive"]
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if "content" in data.keys():
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description_text = data["content"]
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description_hash = compute_string_hash_blake3(description_text, logger=self)
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description_instance, created = DescriptionModel.objects.get_or_create(
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hash=description_hash
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)
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description_instance.save()
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if created:
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description_instance.date_created = timezone.make_aware(
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datetime.strptime(data["date"], "%Y-%m-%d %H:%M:%S")
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)
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description_instance.content = description_text
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description_instance.date_created = timezone.make_aware(
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datetime.strptime(date_str, date_format)
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)
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description_instance.save()
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post_description_instance, created = PostDescription.objects.get_or_create(
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post=post_instance, description=description_instance
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)
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if created:
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post_description_instance.date_imported = timezone.make_aware(
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datetime.fromtimestamp(os.path.getmtime(file_path_json))
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if owner_type == "creator":
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relation, created = CreatorDescription.objects.get_or_create(
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creator=owner_instance, description=description_instance
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)
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else: # post
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relation, created = PostDescription.objects.get_or_create(
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post=owner_instance, description=description_instance
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)
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post_description_instance.save()
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relation.date_imported = timezone.make_aware(
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datetime.fromtimestamp(file_date)
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)
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relation.save()
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post_instance.description.add(description_instance)
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if owner_type == "post":
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owner_instance.description.add(description_instance)
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if "hashtags" in data.keys():
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for tag in data["hashtags"]:
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tag_instance, Null = TagModel.objects.get_or_create(slug=tag)
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except Exception as e:
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self.log_error(f"Error adding description: {str(e)}")
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if tag_instance.name == "":
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def add_tags(self, tags_list, post_instance):
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"""Add tags to a post."""
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for tag in tags_list:
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try:
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tag_instance, created = TagModel.objects.get_or_create(slug=tag)
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if created or not tag_instance.name:
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tag_instance.name = tag
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tag_instance.save()
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tag_instance.save()
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post_instance.tags.add(tag_instance)
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except Exception as e:
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self.log_error(f"Error adding tag '{tag}': {str(e)}")
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def ensure_boolean_field(self, value, default=False):
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"""Convert potentially null/None values to boolean."""
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if value is None:
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return default
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return bool(value)
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class TwitterImporter(BaseImporter):
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"""Importer for Twitter data."""
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def import_data(
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self, data: Dict[str, Any], file_path_json: str, delete: bool
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) -> None:
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"""Import Twitter data from JSON into the database."""
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try:
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category = data.get("category", "twitter")
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source_site_instance = self.get_or_create_source_site(category)
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# Process creator if present
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creator_instance = None
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if "author" in data:
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creator_instance = self._process_creator(
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data, source_site_instance, file_path_json
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)
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# Get subcategory if available
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category_instance = None
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if "subcategory" in data:
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category_instance = self._process_category(data)
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# Process the post
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self._process_post(
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data,
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source_site_instance,
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creator_instance,
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category_instance,
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file_path_json,
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delete,
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)
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except Exception as e:
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self.log_error(f"Error importing Twitter data: {str(e)}")
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def _process_creator(self, data, source_site_instance, file_path_json):
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"""Process creator data for Twitter."""
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creator_instance, _ = CreatorModel.objects.get_or_create(
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slug=data["author"]["name"], source_site=source_site_instance
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)
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creator_instance.creator_id = data["author"]["id"]
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creator_instance.name = data["author"]["nick"]
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# Add creator description if available
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if "description" in data["author"]:
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self.add_description(
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description_text=data["author"]["description"],
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date_str=data["author"]["date"],
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date_format="%Y-%m-%d %H:%M:%S",
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owner_instance=creator_instance,
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owner_type="creator",
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file_date=os.path.getmtime(file_path_json),
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)
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creator_instance.date_created = timezone.make_aware(
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datetime.strptime(data["author"]["date"], "%Y-%m-%d %H:%M:%S")
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)
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creator_instance.save()
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return creator_instance
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def _process_category(self, data):
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"""Process category data."""
|
||||
category_instance, created = CategoryModel.objects.get_or_create(
|
||||
slug=data["subcategory"]
|
||||
)
|
||||
|
||||
if created:
|
||||
category_instance.name = data["subcategory"].capitalize()
|
||||
|
||||
category_instance.save()
|
||||
return category_instance
|
||||
|
||||
def _process_post(
|
||||
self,
|
||||
data,
|
||||
source_site_instance,
|
||||
creator_instance,
|
||||
category_instance,
|
||||
file_path_json,
|
||||
delete,
|
||||
):
|
||||
"""Process post data for Twitter."""
|
||||
post_instance, _ = PostModel.objects.get_or_create(
|
||||
post_id=data["tweet_id"],
|
||||
source_site=source_site_instance,
|
||||
defaults={
|
||||
# Set a default for mature to avoid null constraint error
|
||||
"mature": False
|
||||
},
|
||||
)
|
||||
|
||||
if category_instance:
|
||||
if creator_instance:
|
||||
creator_instance.refresh_from_db()
|
||||
creator_instance.categories.add(category_instance)
|
||||
creator_instance.save()
|
||||
|
||||
post_instance.category.add(category_instance)
|
||||
|
||||
if creator_instance:
|
||||
post_instance.creator = creator_instance
|
||||
|
||||
post_instance.date_created = timezone.make_aware(
|
||||
datetime.strptime(data["date"], "%Y-%m-%d %H:%M:%S")
|
||||
)
|
||||
|
||||
# Set mature flag if available
|
||||
if "sensitive" in data:
|
||||
post_instance.mature = self.ensure_boolean_field(data.get("sensitive"))
|
||||
|
||||
# Add post description if available
|
||||
if "content" in data:
|
||||
self.add_description(
|
||||
description_text=data["content"],
|
||||
date_str=data["date"],
|
||||
date_format="%Y-%m-%d %H:%M:%S",
|
||||
owner_instance=post_instance,
|
||||
owner_type="post",
|
||||
file_date=os.path.getmtime(file_path_json),
|
||||
)
|
||||
|
||||
# Add hashtags if available
|
||||
if "hashtags" in data:
|
||||
self.add_tags(data["hashtags"], post_instance)
|
||||
|
||||
# Import the file
|
||||
file_path = file_path_json.removesuffix(".json")
|
||||
|
||||
# Handle file import
|
||||
file_instance = self.import_file(file_path, PostFileModel, delete)
|
||||
file_instance = self.import_file(file_path, delete)
|
||||
|
||||
if file_instance:
|
||||
post_instance.files.add(file_instance)
|
||||
|
||||
if category_instance.slug == "avatar":
|
||||
creator_instance.refresh_from_db()
|
||||
creator_instance.avatar = file_instance
|
||||
creator_instance.save()
|
||||
# Handle profile images
|
||||
if category_instance:
|
||||
if category_instance.slug == "avatar" and creator_instance:
|
||||
creator_instance.refresh_from_db()
|
||||
creator_instance.avatar = file_instance
|
||||
creator_instance.save()
|
||||
|
||||
if category_instance.slug == "background":
|
||||
creator_instance.refresh_from_db()
|
||||
creator_instance.banner = file_instance
|
||||
creator_instance.save()
|
||||
if category_instance.slug == "background" and creator_instance:
|
||||
creator_instance.refresh_from_db()
|
||||
creator_instance.banner = file_instance
|
||||
creator_instance.save()
|
||||
|
||||
post_instance.save()
|
||||
|
||||
)
|
||||
|
||||
|
||||
|
||||
)
|
||||
|
||||
creator_instance.save()
|
||||
)
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
file_path = file_path_json.removesuffix(".json")
|
||||
|
||||
|
||||
if file_instance:
|
||||
post_instance.files.add(file_instance)
|
||||
|
||||
|
||||
if not file_instance.height and "height" in data:
|
||||
file_instance.height = data.get("height")
|
||||
|
||||
if "width" in data or "height" in data:
|
||||
post_instance.save()
|
||||
|
||||
|
||||
class Command(BaseCommand):
|
||||
help = (
|
||||
"Import data from JSON files in a folder or a single JSON file to the archive"
|
||||
)
|
||||
|
||||
def __init__(self, *args, **kwargs):
|
||||
super().__init__(*args, **kwargs)
|
||||
self.importers = {
|
||||
"twitter": TwitterImporter(self),
|
||||
}
|
||||
|
||||
# Set up logging
|
||||
logging.basicConfig(
|
||||
level=logging.INFO,
|
||||
format="%(asctime)s - %(name)s - %(levelname)s - %(message)s",
|
||||
filename="import.log",
|
||||
)
|
||||
self.logger = logging.getLogger("import_command")
|
||||
|
||||
def add_arguments(self, parser):
|
||||
parser.add_argument(
|
||||
"path",
|
||||
type=str,
|
||||
help="Path to the folder containing JSON files or a single JSON file",
|
||||
)
|
||||
parser.add_argument(
|
||||
"--delete", action="store_true", help="Delete imported files"
|
||||
)
|
||||
parser.add_argument(
|
||||
"--site",
|
||||
type=str,
|
||||
choices=list(self.importers.keys()),
|
||||
help="Only import files for the specified site",
|
||||
)
|
||||
|
||||
def handle(self, *args, **kwargs):
|
||||
path = kwargs["path"]
|
||||
delete = kwargs["delete"]
|
||||
site_filter = kwargs.get("site")
|
||||
|
||||
if os.path.isfile(path):
|
||||
self.process_json_file(path, delete, site_filter)
|
||||
elif os.path.isdir(path):
|
||||
self.process_json_folder(path, delete, site_filter)
|
||||
else:
|
||||
self.stdout.write(
|
||||
self.style.ERROR(f"The path '{path}' is not a valid file or folder.")
|
||||
)
|
||||
return
|
||||
|
||||
def process_json_file(self, file_path, delete, site_filter=None):
|
||||
tqdm.write(f"Importing data from: {file_path}")
|
||||
|
||||
try:
|
||||
with open(file_path, "r") as f:
|
||||
data = json.load(f)
|
||||
|
||||
category = data.get("category", "")
|
||||
|
||||
# Skip if site filter is set and doesn't match
|
||||
if site_filter and category != site_filter:
|
||||
tqdm.write(
|
||||
f"Skipping {file_path}, category {category} doesn't match filter {site_filter}"
|
||||
)
|
||||
return
|
||||
|
||||
# Check if we have an importer for this category
|
||||
if category in self.importers:
|
||||
self.importers[category].import_data(data, file_path, delete)
|
||||
tqdm.write(
|
||||
self.style.SUCCESS(f"Data imported successfully for {category}.")
|
||||
)
|
||||
else:
|
||||
tqdm.write(
|
||||
self.style.WARNING(f"No importer found for category: {category}")
|
||||
)
|
||||
|
||||
except json.JSONDecodeError:
|
||||
tqdm.write(self.style.ERROR(f"Invalid JSON file: {file_path}"))
|
||||
except Exception as e:
|
||||
tqdm.write(self.style.ERROR(f"Error processing {file_path}: {str(e)}"))
|
||||
|
||||
def process_json_folder(self, folder_path, delete, site_filter=None):
|
||||
if not os.path.exists(folder_path):
|
||||
tqdm.write(self.style.ERROR(f"The folder '{folder_path}' does not exist."))
|
||||
return
|
||||
|
||||
# Count total files
|
||||
tqdm.write("Counting total files...")
|
||||
total_files = sum(len(files) for _, _, files in os.walk(folder_path))
|
||||
|
||||
with tqdm(
|
||||
total=total_files, desc="Processing JSON files", dynamic_ncols=True
|
||||
) as progress_bar:
|
||||
for root, dirs, files in os.walk(folder_path):
|
||||
for file_name in files:
|
||||
progress_bar.update(1) # Increment progress for each file
|
||||
if file_name.endswith(".json"):
|
||||
file_path = os.path.join(root, file_name)
|
||||
self.process_json_file(file_path, delete, site_filter)
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue