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import os
import json
import requests
import glob
from tqdm import tqdm
from db import *
def yield_posts(file_dir=r"G:\database\post", from_id=0, end_id=7110548):
"""
Yields the posts
"""
# using listdir instead of glob because glob is slow
files = []
# walk through all files
for root, dirs, filenames in os.walk(file_dir):
for filename in filenames:
if "_" not in filename:
continue
# 0_19.jsonl -> 0, 19
start_id, end_id = filename.split(".")[0].split("_")
start_id = int(start_id)
end_id = int(end_id)
if start_id > end_id:
continue
if end_id < from_id:
continue
files.append(os.path.join(root, filename))
print(f"Total {len(files)} files")
for file in files:
with open(file, 'r') as f:
yield from f.readlines()
def add_post_if_not_exist(post_string):
try:
post_data = json.loads(post_string)
except Exception as e:
print(f"Exception: {e} when loading {post_string}")
return
post_id = post_data['id']
if (post:=Post.get_or_none(Post.id == post_id)) is not None:
# check if it has valid tag list
if not post.tag_list:
# remove post
Post.delete_by_id(post_id)
else:
return
# prepare tags first
for keys in ["tag_string_general, tag_string_artist, tag_string_character, tag_string_meta", "tag_string", "tag_string_copyright"]:
if keys not in post_data:
continue
values = post_data[keys]
if not values:
continue
if not isinstance(values, list):
values = values.split(" ")
current_value = []
for value in values:
tag = Tag.get_or_none(name=value)
if tag is None:
tag = Tag.create(name=value, type=keys.split("_")[-1], popularity=0)
# assert unique, tag should not be iterable
assert not isinstance(tag, list), f"Error: {tag} is iterable"
current_value.append(tag.id)
post_data[keys.replace("tag_string", "tag_list")] = current_value
post_data[keys.replace("tag_string", "tag_count")] = len(current_value)
# add post
data = dict(
id=post_id,
created_at=post_data.get('created_at', None),
source=post_data.get('source', ""),
rating=post_data.get('rating', 'q'),
score=post_data.get('score', 0),
up_score=post_data.get('up_score', 0),
down_score=post_data.get('down_score', 0),
fav_count=post_data.get('fav_count', 0),
tag_list_general=post_data.get('tag_list_general', []),
tag_list_artist=post_data.get('tag_list_artist', []),
tag_list_character=post_data.get('tag_list_character', []),
tag_list_meta=post_data.get('tag_list_meta', []),
tag_list=post_data.get('tag_list', []),
tag_list_copyright=post_data.get('tag_list', []),
tag_count_general=post_data.get('tag_count_general', 0),
tag_count_artist=post_data.get('tag_count_artist', 0),
tag_count_character=post_data.get('tag_count_character', 0),
tag_count_meta=post_data.get('tag_count_meta', 0),
tag_count=post_data.get('tag_count', 0),
tag_count_copyright=post_data.get('tag_count', 0),
uploader_id=post_data.get('uploader_id', 0),
md5=post_data.get('md5', None),
parent_id=post_data.get('parent_id', None),
has_children=post_data.get('has_children', False),
is_deleted=post_data.get('is_deleted', False),
is_banned=post_data.get('is_banned', False),
pixiv_id=post_data.get('pixiv_id', None),
has_active_children=post_data.get('has_active_children', False),
bit_flags=post_data.get('bit_flags', 0),
has_large=post_data.get('has_large', False),
has_visible_children=post_data.get('has_visible_children', False),
image_width=post_data.get('image_width', 0),
image_height=post_data.get('image_height', 0),
file_size=post_data.get('file_size', 0),
file_ext=post_data.get('file_ext', "jpg"),
file_url=post_data.get('file_url', ""),
large_file_url=post_data.get('large_file_url', ""),
preview_file_url=post_data.get('preview_file_url', "")
)
# create from dict
Post.create(**data)
print(f"Added post {post_id}")
def main():
last_post_id = Post.select().order_by(Post.id.desc()).get().id
print(f"Last post id: {last_post_id}")
with db.atomic():
pbar = tqdm(total=7110548 - last_post_id)
for post_string in yield_posts(from_id=last_post_id):
try:
add_post_if_not_exist(post_string)
except Exception as e:
if isinstance(e, KeyboardInterrupt):
raise e
print(f"Exception: {e} when adding {post_string}")
raise e
pbar.update(1)
print("Done")
if __name__ == "__main__":
main() |