488 lines
19 KiB
Python
488 lines
19 KiB
Python
"""A python class to manage caching of metadata from comic sources"""
|
|
#
|
|
# Copyright 2012-2014 ComicTagger Authors
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
from __future__ import annotations
|
|
|
|
import dataclasses
|
|
import datetime
|
|
import json
|
|
import logging
|
|
import os
|
|
import pathlib
|
|
import sqlite3
|
|
from typing import Any
|
|
|
|
from comictalker.resulttypes import ComicIssue, ComicSeries, Credit
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class ComicCacher:
|
|
def __init__(self, cache_folder: pathlib.Path, version: str) -> None:
|
|
self.cache_folder = cache_folder
|
|
self.db_file = cache_folder / "comic_cache.db"
|
|
self.version_file = cache_folder / "cache_version.txt"
|
|
self.version = version
|
|
|
|
# verify that cache is from same version as this one
|
|
data = ""
|
|
try:
|
|
with open(self.version_file, "rb") as f:
|
|
data = f.read().decode("utf-8")
|
|
f.close()
|
|
except Exception:
|
|
pass
|
|
if data != version:
|
|
self.clear_cache()
|
|
|
|
if not os.path.exists(self.db_file):
|
|
self.create_cache_db()
|
|
|
|
def clear_cache(self) -> None:
|
|
try:
|
|
os.unlink(self.db_file)
|
|
except Exception:
|
|
pass
|
|
try:
|
|
os.unlink(self.version_file)
|
|
except Exception:
|
|
pass
|
|
|
|
def create_cache_db(self) -> None:
|
|
# create the version file
|
|
with open(self.version_file, "w", encoding="utf-8") as f:
|
|
f.write(self.version)
|
|
|
|
# this will wipe out any existing version
|
|
open(self.db_file, "wb").close()
|
|
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
|
|
# create tables
|
|
with con:
|
|
cur = con.cursor()
|
|
# source_name,name,id,start_year,publisher,image,description,count_of_issues
|
|
cur.execute(
|
|
"CREATE TABLE SeriesSearchCache("
|
|
+ "timestamp DATE DEFAULT (datetime('now','localtime')),"
|
|
+ "id TEXT NOT NULL,"
|
|
+ "source_name TEXT NOT NULL,"
|
|
+ "search_term TEXT,"
|
|
+ "PRIMARY KEY (id, source_name, search_term))"
|
|
)
|
|
|
|
cur.execute(
|
|
"CREATE TABLE Series("
|
|
+ "timestamp DATE DEFAULT (datetime('now','localtime')), "
|
|
+ "id TEXT NOT NULL,"
|
|
+ "source_name TEXT NOT NULL,"
|
|
+ "name TEXT,"
|
|
+ "publisher TEXT,"
|
|
+ "count_of_issues INT,"
|
|
+ "count_of_volumes INT,"
|
|
+ "start_year INT,"
|
|
+ "image_url TEXT,"
|
|
+ "aliases TEXT," # Newline separated
|
|
+ "description TEXT,"
|
|
+ "genres TEXT," # Newline separated. For filtering etc.
|
|
+ "format TEXT,"
|
|
+ "PRIMARY KEY (id, source_name))"
|
|
)
|
|
|
|
cur.execute(
|
|
"CREATE TABLE Issues("
|
|
+ "timestamp DATE DEFAULT (datetime('now','localtime')), "
|
|
+ "id TEXT NOT NULL,"
|
|
+ "source_name TEXT NOT NULL,"
|
|
+ "series_id TEXT,"
|
|
+ "name TEXT,"
|
|
+ "issue_number TEXT,"
|
|
+ "image_url TEXT,"
|
|
+ "thumb_url TEXT,"
|
|
+ "cover_date TEXT,"
|
|
+ "site_detail_url TEXT,"
|
|
+ "description TEXT,"
|
|
+ "aliases TEXT," # Newline separated
|
|
+ "alt_image_urls TEXT," # Newline separated URLs
|
|
+ "characters TEXT," # Newline separated
|
|
+ "locations TEXT," # Newline separated
|
|
+ "credits TEXT," # JSON: "{"name": "Bob Shakespeare", "role": "Writer"}"
|
|
+ "teams TEXT," # Newline separated
|
|
+ "story_arcs TEXT," # Newline separated
|
|
+ "genres TEXT," # Newline separated
|
|
+ "tags TEXT," # Newline separated
|
|
+ "critical_rating FLOAT,"
|
|
+ "manga TEXT," # Yes/YesAndRightToLeft/No
|
|
+ "maturity_rating TEXT,"
|
|
+ "language TEXT,"
|
|
+ "country TEXT,"
|
|
+ "volume TEXT,"
|
|
+ "complete BOOL," # Is the data complete? Includes characters, locations, credits.
|
|
+ "PRIMARY KEY (id, source_name))"
|
|
)
|
|
|
|
def add_search_results(self, source_name: str, search_term: str, ct_search_results: list[ComicSeries]) -> None:
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
|
|
with con:
|
|
con.text_factory = str
|
|
cur = con.cursor()
|
|
|
|
# remove all previous entries with this search term
|
|
cur.execute(
|
|
"DELETE FROM SeriesSearchCache WHERE search_term = ? AND source_name = ?",
|
|
[search_term.casefold(), source_name],
|
|
)
|
|
|
|
# now add in new results
|
|
for record in ct_search_results:
|
|
cur.execute(
|
|
"INSERT INTO SeriesSearchCache (source_name, search_term, id) VALUES(?, ?, ?)",
|
|
(source_name, search_term.casefold(), record.id),
|
|
)
|
|
|
|
data = {
|
|
"id": record.id,
|
|
"source_name": source_name,
|
|
"name": record.name,
|
|
"publisher": record.publisher,
|
|
"count_of_issues": record.count_of_issues,
|
|
"count_of_volumes": record.count_of_volumes,
|
|
"start_year": record.start_year,
|
|
"image_url": record.image_url,
|
|
"description": record.description,
|
|
"genres": "\n".join(record.genres),
|
|
"format": record.format,
|
|
"timestamp": datetime.datetime.now(),
|
|
"aliases": "\n".join(record.aliases),
|
|
}
|
|
self.upsert(cur, "series", data)
|
|
|
|
def get_search_results(self, source_name: str, search_term: str) -> list[ComicSeries]:
|
|
results = []
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
with con:
|
|
con.text_factory = str
|
|
cur = con.cursor()
|
|
|
|
cur.execute(
|
|
"SELECT * FROM SeriesSearchCache INNER JOIN Series on"
|
|
+ " SeriesSearchCache.id=Series.id AND SeriesSearchCache.source_name=Series.source_name"
|
|
+ " WHERE search_term=? AND SeriesSearchCache.source_name=?",
|
|
[search_term.casefold(), source_name],
|
|
)
|
|
|
|
rows = cur.fetchall()
|
|
# now process the results
|
|
for record in rows:
|
|
result = ComicSeries(
|
|
id=record["id"],
|
|
name=record["name"],
|
|
publisher=record["publisher"],
|
|
count_of_issues=record["count_of_issues"],
|
|
count_of_volumes=record["count_of_volumes"],
|
|
start_year=record["start_year"],
|
|
image_url=record["image_url"],
|
|
aliases=record["aliases"].strip().splitlines(),
|
|
description=record["description"],
|
|
genres=record["genres"].strip().splitlines(),
|
|
format=record["format"],
|
|
)
|
|
|
|
results.append(result)
|
|
|
|
return results
|
|
|
|
def add_series_info(self, source_name: str, series_record: ComicSeries) -> None:
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
|
|
with con:
|
|
cur = con.cursor()
|
|
|
|
timestamp = datetime.datetime.now()
|
|
|
|
data = {
|
|
"id": series_record.id,
|
|
"source_name": source_name,
|
|
"name": series_record.name,
|
|
"publisher": series_record.publisher,
|
|
"count_of_issues": series_record.count_of_issues,
|
|
"count_of_volumes": series_record.count_of_volumes,
|
|
"start_year": series_record.start_year,
|
|
"image_url": series_record.image_url,
|
|
"description": series_record.description,
|
|
"genres": "\n".join(series_record.genres),
|
|
"format": series_record.format,
|
|
"timestamp": timestamp,
|
|
"aliases": "\n".join(series_record.aliases),
|
|
}
|
|
self.upsert(cur, "series", data)
|
|
|
|
def add_series_issues_info(self, source_name: str, series_issues: list[ComicIssue]) -> None:
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
|
|
with con:
|
|
cur = con.cursor()
|
|
|
|
timestamp = datetime.datetime.now()
|
|
|
|
# add in issues
|
|
|
|
for issue in series_issues:
|
|
data = {
|
|
"id": issue.id,
|
|
"series_id": issue.series.id,
|
|
"source_name": source_name,
|
|
"name": issue.name,
|
|
"issue_number": issue.issue_number,
|
|
"volume": issue.volume,
|
|
"site_detail_url": issue.site_detail_url,
|
|
"cover_date": issue.cover_date,
|
|
"image_url": issue.image_url,
|
|
"description": issue.description,
|
|
"timestamp": timestamp,
|
|
"aliases": "\n".join(issue.aliases),
|
|
"alt_image_urls": "\n".join(issue.alt_image_urls),
|
|
"characters": "\n".join(issue.characters),
|
|
"locations": "\n".join(issue.locations),
|
|
"teams": "\n".join(issue.teams),
|
|
"story_arcs": "\n".join(issue.story_arcs),
|
|
"genres": "\n".join(issue.genres),
|
|
"tags": "\n".join(issue.tags),
|
|
"critical_rating": issue.critical_rating,
|
|
"manga": issue.manga,
|
|
"maturity_rating": issue.maturity_rating,
|
|
"language": issue.language,
|
|
"country": issue.country,
|
|
"credits": json.dumps([dataclasses.asdict(x) for x in issue.credits]),
|
|
"complete": issue.complete,
|
|
}
|
|
self.upsert(cur, "issues", data)
|
|
|
|
def get_series_info(self, series_id: str, source_name: str, purge: bool = True) -> ComicSeries | None:
|
|
result: ComicSeries | None = None
|
|
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
with con:
|
|
cur = con.cursor()
|
|
con.text_factory = str
|
|
|
|
if purge:
|
|
# purge stale series info
|
|
a_week_ago = datetime.datetime.today() - datetime.timedelta(days=7)
|
|
cur.execute("DELETE FROM Series WHERE timestamp < ?", [str(a_week_ago)])
|
|
|
|
# fetch
|
|
cur.execute("SELECT * FROM Series WHERE id=? AND source_name=?", [series_id, source_name])
|
|
|
|
row = cur.fetchone()
|
|
|
|
if row is None:
|
|
return result
|
|
|
|
# since ID is primary key, there is only one row
|
|
result = ComicSeries(
|
|
id=row["id"],
|
|
name=row["name"],
|
|
publisher=row["publisher"],
|
|
count_of_issues=row["count_of_issues"],
|
|
count_of_volumes=row["count_of_volumes"],
|
|
start_year=row["start_year"],
|
|
image_url=row["image_url"],
|
|
aliases=row["aliases"].strip().splitlines(),
|
|
description=row["description"],
|
|
genres=row["genres"].strip().splitlines(),
|
|
format=row["format"],
|
|
)
|
|
|
|
return result
|
|
|
|
def get_series_issues_info(self, series_id: str, source_name: str) -> list[ComicIssue]:
|
|
# get_series_info should only fail if someone is doing something weird
|
|
series = self.get_series_info(series_id, source_name, False) or ComicSeries(
|
|
id=series_id,
|
|
name="",
|
|
description="",
|
|
genres=[],
|
|
image_url="",
|
|
publisher="",
|
|
start_year=None,
|
|
aliases=[],
|
|
count_of_issues=None,
|
|
count_of_volumes=None,
|
|
format=None,
|
|
)
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
with con:
|
|
cur = con.cursor()
|
|
con.text_factory = str
|
|
|
|
# purge stale issue info - probably issue data won't change
|
|
# much....
|
|
a_week_ago = datetime.datetime.today() - datetime.timedelta(days=7)
|
|
cur.execute("DELETE FROM Issues WHERE timestamp < ?", [str(a_week_ago)])
|
|
|
|
# fetch
|
|
results: list[ComicIssue] = []
|
|
|
|
cur.execute("SELECT * FROM Issues WHERE series_id=? AND source_name=?", [series_id, source_name])
|
|
rows = cur.fetchall()
|
|
|
|
# now process the results
|
|
for row in rows:
|
|
credits = []
|
|
try:
|
|
for credit in json.loads(row["credits"]):
|
|
credits.append(Credit(**credit))
|
|
except Exception:
|
|
logger.exception("credits failed")
|
|
record = ComicIssue(
|
|
series=series,
|
|
credits=credits,
|
|
id=row["id"],
|
|
name=row["name"],
|
|
issue_number=row["issue_number"],
|
|
image_url=row["image_url"],
|
|
cover_date=row["cover_date"],
|
|
site_detail_url=row["site_detail_url"],
|
|
description=row["description"],
|
|
aliases=row["aliases"].strip().splitlines(),
|
|
alt_image_urls=row["alt_image_urls"].strip().splitlines(),
|
|
characters=row["characters"].strip().splitlines(),
|
|
locations=row["locations"].strip().splitlines(),
|
|
teams=row["teams"].strip().splitlines(),
|
|
story_arcs=row["story_arcs"].strip().splitlines(),
|
|
genres=row["genres"].strip().splitlines(),
|
|
tags=row["tags"].strip().splitlines(),
|
|
critical_rating=row["critical_rating"],
|
|
manga=row["manga"],
|
|
maturity_rating=row["maturity_rating"],
|
|
language=row["language"],
|
|
country=row["country"],
|
|
volume=row["volume"],
|
|
complete=bool(["complete"]),
|
|
)
|
|
|
|
results.append(record)
|
|
|
|
return results
|
|
|
|
def get_issue_info(self, issue_id: int, source_name: str) -> ComicIssue | None:
|
|
con = sqlite3.connect(self.db_file)
|
|
con.row_factory = sqlite3.Row
|
|
with con:
|
|
cur = con.cursor()
|
|
con.text_factory = str
|
|
|
|
# purge stale issue info - probably issue data won't change
|
|
# much....
|
|
a_week_ago = datetime.datetime.today() - datetime.timedelta(days=7)
|
|
cur.execute("DELETE FROM Issues WHERE timestamp < ?", [str(a_week_ago)])
|
|
|
|
cur.execute("SELECT * FROM Issues WHERE id=? AND source_name=?", [issue_id, source_name])
|
|
row = cur.fetchone()
|
|
|
|
record = None
|
|
|
|
if row:
|
|
# get_series_info should only fail if someone is doing something weird
|
|
series = self.get_series_info(row["id"], source_name, False) or ComicSeries(
|
|
id=row["id"],
|
|
name="",
|
|
description="",
|
|
genres=[],
|
|
image_url="",
|
|
publisher="",
|
|
start_year=None,
|
|
aliases=[],
|
|
count_of_issues=None,
|
|
count_of_volumes=None,
|
|
format=None,
|
|
)
|
|
|
|
# now process the results
|
|
credits = []
|
|
try:
|
|
for credit in json.loads(row["credits"]):
|
|
credits.append(Credit(**credit))
|
|
except Exception:
|
|
logger.exception("credits failed")
|
|
record = ComicIssue(
|
|
series=series,
|
|
credits=credits,
|
|
id=row["id"],
|
|
name=row["name"],
|
|
issue_number=row["issue_number"],
|
|
image_url=row["image_url"],
|
|
cover_date=row["cover_date"],
|
|
site_detail_url=row["site_detail_url"],
|
|
description=row["description"],
|
|
aliases=row["aliases"].strip().splitlines(),
|
|
alt_image_urls=row["alt_image_urls"].strip().splitlines(),
|
|
characters=row["characters"].strip().splitlines(),
|
|
locations=row["locations"].strip().splitlines(),
|
|
teams=row["teams"].strip().splitlines(),
|
|
story_arcs=row["story_arcs"].strip().splitlines(),
|
|
genres=row["genres"].strip().splitlines(),
|
|
tags=row["tags"].strip().splitlines(),
|
|
critical_rating=row["critical_rating"],
|
|
manga=row["manga"],
|
|
maturity_rating=row["maturity_rating"],
|
|
language=row["language"],
|
|
country=row["country"],
|
|
volume=row["volume"],
|
|
complete=bool(row["complete"]),
|
|
)
|
|
|
|
return record
|
|
|
|
def upsert(self, cur: sqlite3.Cursor, tablename: str, data: dict[str, Any]) -> None:
|
|
"""This does an insert if the given PK doesn't exist, and an
|
|
update it if does
|
|
|
|
TODO: should the cursor be created here, and not up the stack?
|
|
"""
|
|
|
|
keys = ""
|
|
vals = []
|
|
ins_slots = ""
|
|
set_slots = ""
|
|
|
|
for key in data:
|
|
if data[key] is None:
|
|
continue
|
|
|
|
if keys != "":
|
|
keys += ", "
|
|
if ins_slots != "":
|
|
ins_slots += ", "
|
|
if set_slots != "":
|
|
set_slots += ", "
|
|
|
|
keys += key
|
|
vals.append(data[key])
|
|
ins_slots += "?"
|
|
set_slots += key + " = ?"
|
|
|
|
sql_ins = f"INSERT OR REPLACE INTO {tablename} ({keys}) VALUES ({ins_slots})"
|
|
cur.execute(sql_ins, vals)
|