comictagger/comicapi/utils.py

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"""Some generic utilities"""
# 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 json
import logging
import os
import pathlib
import platform
import sys
import unicodedata
from collections import defaultdict
from collections.abc import Iterable, Mapping
from enum import Enum, auto
from shutil import which # noqa: F401
from typing import Any, TypeVar, cast
from comicfn2dict import comicfn2dict
import comicapi.data
from comicapi import filenamelexer, filenameparser
from ._url import LocationParseError as LocationParseError # noqa: F401
from ._url import Url as Url
from ._url import parse_url as parse_url
try:
import icu
del icu
icu_available = True
except ImportError:
icu_available = False
if sys.version_info < (3, 11):
class StrEnum(str, Enum):
"""
Enum where members are also (and must be) strings
"""
def __new__(cls, *values: Any) -> Any:
"values must already be of type `str`"
if len(values) > 3:
raise TypeError(f"too many arguments for str(): {values!r}")
if len(values) == 1:
# it must be a string
if not isinstance(values[0], str):
raise TypeError(f"{values[0]!r} is not a string")
if len(values) >= 2:
# check that encoding argument is a string
if not isinstance(values[1], str):
raise TypeError(f"encoding must be a string, not {values[1]!r}")
if len(values) == 3:
# check that errors argument is a string
if not isinstance(values[2], str):
raise TypeError("errors must be a string, not %r" % (values[2]))
value = str(*values)
member = str.__new__(cls, value)
member._value_ = value
return member
@staticmethod
def _generate_next_value_(name: str, start: int, count: int, last_values: Any) -> str:
"""
Return the lower-cased version of the member name.
"""
return name.lower()
else:
from enum import StrEnum
logger = logging.getLogger(__name__)
class Parser(StrEnum):
ORIGINAL = auto()
COMPLICATED = auto()
COMICFN2DICT = auto()
def _custom_key(tup: Any) -> Any:
import natsort
lst = []
for x in natsort.os_sort_keygen()(tup):
ret = x
if len(x) > 1 and isinstance(x[1], int) and isinstance(x[0], str) and x[0] == "":
ret = ("a", *x[1:])
lst.append(ret)
return tuple(lst)
T = TypeVar("T")
def os_sorted(lst: Iterable[T]) -> Iterable[T]:
import natsort
key = _custom_key
if icu_available or platform.system() == "Windows":
key = natsort.os_sort_keygen()
return sorted(lst, key=key)
def parse_filename(
filename: str,
parser: Parser = Parser.ORIGINAL,
remove_c2c: bool = False,
remove_fcbd: bool = False,
remove_publisher: bool = False,
split_words: bool = False,
allow_issue_start_with_letter: bool = False,
protofolius_issue_number_scheme: bool = False,
) -> filenameparser.FilenameInfo:
if not filename:
return filenameparser.FilenameInfo(
alternate="",
annual=False,
archive="",
c2c=False,
fcbd=False,
issue="",
issue_count="",
publisher="",
remainder="",
series="",
title="",
volume="",
volume_count="",
year="",
format="",
)
if split_words:
import wordninja
filename, ext = os.path.splitext(filename)
filename = " ".join(wordninja.split(filename)) + ext
fni = filenameparser.FilenameInfo(
alternate="",
annual=False,
archive="",
c2c=False,
fcbd=False,
format="",
issue="",
issue_count="",
publisher="",
remainder="",
series="",
title="",
volume="",
volume_count="",
year="",
)
if parser == Parser.COMPLICATED:
lex = filenamelexer.Lex(filename, allow_issue_start_with_letter)
p = filenameparser.Parse(
lex.items,
remove_c2c=remove_c2c,
remove_fcbd=remove_fcbd,
remove_publisher=remove_publisher,
protofolius_issue_number_scheme=protofolius_issue_number_scheme,
)
fni = p.filename_info
elif parser == Parser.COMICFN2DICT:
fn2d = comicfn2dict(filename)
fni = filenameparser.FilenameInfo(
alternate="",
annual=False,
archive=fn2d.get("ext", ""),
c2c=False,
fcbd=False,
issue=fn2d.get("issue", ""),
issue_count=fn2d.get("issue_count", ""),
publisher=fn2d.get("publisher", ""),
remainder=fn2d.get("scan_info", ""),
series=fn2d.get("series", ""),
title=fn2d.get("title", ""),
volume=fn2d.get("volume", ""),
volume_count=fn2d.get("volume_count", ""),
year=fn2d.get("year", ""),
format=fn2d.get("original_format", ""),
)
else:
fnp = filenameparser.FileNameParser()
fnp.parse_filename(filename)
fni = filenameparser.FilenameInfo(
alternate="",
annual=False,
archive="",
c2c=False,
fcbd=False,
issue=fnp.issue,
issue_count=fnp.issue_count,
publisher="",
remainder=fnp.remainder,
series=fnp.series,
title="",
volume=fnp.volume,
volume_count="",
year=fnp.year,
format="",
)
return fni
def norm_fold(string: str) -> str:
"""Normalise and casefold string"""
return unicodedata.normalize("NFKD", string).casefold()
def combine_notes(existing_notes: str | None, new_notes: str | None, split: str) -> str:
split_notes, split_str, untouched_notes = (existing_notes or "").rpartition(split)
if split_notes or split_str:
return (split_notes + (new_notes or "")).strip()
else:
return (untouched_notes + "\n" + (new_notes or "")).strip()
def parse_date_str(date_str: str | None) -> tuple[int | None, int | None, int | None]:
day = None
month = None
year = None
if date_str:
parts = date_str.split("-")
year = xlate_int(parts[0])
if len(parts) > 1:
month = xlate_int(parts[1])
if len(parts) > 2:
day = xlate_int(parts[2])
return day, month, year
def shorten_path(path: pathlib.Path, path2: pathlib.Path | None = None) -> tuple[pathlib.Path, pathlib.Path]:
if path2:
path2 = path2.absolute()
path = path.absolute()
shortened_path: pathlib.Path = path
relative_path = pathlib.Path(path.anchor)
if path.is_relative_to(path.home()):
relative_path = path.home()
shortened_path = path.relative_to(path.home())
if path.is_relative_to(path.cwd()):
relative_path = path.cwd()
shortened_path = path.relative_to(path.cwd())
if path2 and shortened_path.is_relative_to(path2.parent):
relative_path = path2
shortened_path = shortened_path.relative_to(path2)
return relative_path, shortened_path
def path_to_short_str(original_path: pathlib.Path, renamed_path: pathlib.Path | None = None) -> str:
rel, _original_path = shorten_path(original_path)
path_str = str(_original_path)
if rel.samefile(rel.cwd()):
path_str = f"./{_original_path}"
elif rel.samefile(rel.home()):
path_str = f"~/{_original_path}"
if renamed_path:
rel, path = shorten_path(renamed_path, original_path.parent)
rename_str = f" -> {path}"
if rel.samefile(rel.cwd()):
rename_str = f" -> ./{_original_path}"
elif rel.samefile(rel.home()):
rename_str = f" -> ~/{_original_path}"
path_str += rename_str
return path_str
def get_page_name_list(files: list[str]) -> list[str]:
# get the list file names in the archive, and sort
files = cast(list[str], os_sorted(files))
# make a sub-list of image files
page_list = []
for name in files:
if (
os.path.splitext(name)[1].casefold() in [".jpg", ".jpeg", ".png", ".gif", ".webp", ".avif"]
and os.path.basename(name)[0] != "."
):
page_list.append(name)
return page_list
def get_recursive_filelist(pathlist: list[str]) -> list[str]:
"""Get a recursive list of of all files under all path items in the list"""
filelist: list[str] = []
for p in pathlist:
if os.path.isdir(p):
for root, _, files in os.walk(p):
for f in files:
filelist.append(os.path.join(root, f))
elif os.path.exists(p):
filelist.append(p)
return filelist
def add_to_path(dirname: str) -> None:
if dirname:
dirname = os.path.abspath(dirname)
paths = [os.path.normpath(x) for x in split(os.environ["PATH"], os.pathsep)]
if dirname not in paths:
paths.insert(0, dirname)
os.environ["PATH"] = os.pathsep.join(paths)
def remove_from_path(dirname: str) -> None:
if dirname:
dirname = os.path.abspath(dirname)
paths = [os.path.normpath(x) for x in split(os.environ["PATH"], os.pathsep) if dirname != os.path.normpath(x)]
os.environ["PATH"] = os.pathsep.join(paths)
def xlate_int(data: Any) -> int | None:
data = xlate_float(data)
if data is None:
return None
return int(data)
def xlate_float(data: Any) -> float | None:
if isinstance(data, str):
data = data.strip()
if data is None or data == "":
return None
i: str | int | float
if isinstance(data, (int, float)):
i = data
else:
i = str(data).translate(defaultdict(lambda: None, zip((ord(c) for c in "1234567890."), "1234567890.")))
if i == "":
return None
try:
return float(i)
except ValueError:
return None
def xlate(data: Any) -> str | None:
if data is None or isinstance(data, str) and data.strip() == "":
return None
return str(data).strip()
def split(s: str | None, c: str) -> list[str]:
s = xlate(s)
if s:
return [x.strip() for x in s.strip().split(c) if x.strip()]
return []
def split_urls(s: str | None) -> list[Url]:
if s is None:
return []
# Find occurences of ' http'
if s.count("http") > 1 and s.count(" http") >= 1:
urls = []
# Split urls out
url_strings = split(s, " http")
# Return the scheme 'http' and parse the url
for i, url_string in enumerate(url_strings):
if not url_string.startswith("http"):
url_string = "http" + url_string
urls.append(parse_url(url_string))
return urls
else:
return [parse_url(s)]
def remove_articles(text: str) -> str:
text = text.casefold()
articles = [
"&",
"a",
"am",
"an",
"and",
"as",
"at",
"be",
"but",
"by",
"for",
"if",
"is",
"issue",
"it",
"it's",
"its",
"itself",
"of",
"or",
"so",
"the",
"the",
"with",
]
new_text = ""
for word in text.split():
if word not in articles:
new_text += word + " "
new_text = new_text[:-1]
return new_text
def sanitize_title(text: str, basic: bool = False) -> str:
# normalize unicode and convert to ascii. Does not work for everything eg ½ to 12 not 1/2
text = unicodedata.normalize("NFKD", text).casefold()
# comicvine keeps apostrophes a part of the word
text = text.replace("'", "")
text = text.replace('"', "")
if not basic:
# comicvine ignores punctuation and accents
# remove all characters that are not a letter, separator (space) or number
# replace any "dash punctuation" with a space
# makes sure that batman-superman and self-proclaimed stay separate words
text = "".join(
c if unicodedata.category(c)[0] not in "P" else " " for c in text if unicodedata.category(c)[0] in "LZNP"
)
# remove extra space and articles and all lower case
text = remove_articles(text).strip()
return text
def titles_match(search_title: str, record_title: str, threshold: int = 90) -> bool:
import rapidfuzz.fuzz
sanitized_search = sanitize_title(search_title)
sanitized_record = sanitize_title(record_title)
ratio = int(rapidfuzz.fuzz.ratio(sanitized_search, sanitized_record))
logger.debug(
"search title: %s ; record title: %s ; ratio: %d ; match threshold: %d",
search_title,
record_title,
ratio,
threshold,
)
return ratio >= threshold
def unique_file(file_name: pathlib.Path) -> pathlib.Path:
name = file_name.stem
counter = 1
while True:
if not file_name.exists():
return file_name
file_name = file_name.with_stem(name + " (" + str(counter) + ")")
counter += 1
def parse_version(s: str) -> tuple[int, int, int]:
str_parts = s.split(".")[:3]
parts = [int(x) if x.isdigit() else 0 for x in str_parts]
parts.extend([0] * (3 - len(parts))) # Ensure exactly three elements in the resulting list
return (parts[0], parts[1], parts[2])
_languages: dict[str | None, str | None] = defaultdict(lambda: None)
_countries: dict[str | None, str | None] = defaultdict(lambda: None)
def countries() -> dict[str | None, str | None]:
if not _countries:
import isocodes
for alpha_2, c in isocodes.countries.by_alpha_2:
_countries[alpha_2] = c["name"]
return _countries
def languages() -> dict[str | None, str | None]:
if not _languages:
import isocodes
for alpha_2, lng in isocodes.extendend_languages._sorted_by_index(index="alpha_2"):
_languages[alpha_2] = lng["name"]
return _languages
def get_language_from_iso(iso: str | None) -> str | None:
return languages()[iso]
def get_language_iso(string: str | None) -> str | None:
if string is None:
return None
import isocodes
# Return current string if all else fails
lang = string.casefold()
found = None
for lng in isocodes.extendend_languages.items:
for x in ("alpha_2", "alpha_3", "bibliographic", "common_name", "name"):
if x in lng and lng[x].casefold() == lang:
found = lng
if found:
break
if found:
return found.get("alpha_2", None)
return lang
def get_country_from_iso(iso: str | None) -> str | None:
return countries()[iso]
def get_publisher(publisher: str) -> tuple[str, str]:
imprint = ""
for pub in publishers.values():
imprint, publisher, ok = pub[publisher]
if ok:
break
return imprint, publisher
def update_publishers(new_publishers: Mapping[str, Mapping[str, str]]) -> None:
for publisher in new_publishers:
if publisher in publishers:
publishers[publisher].update(new_publishers[publisher])
else:
publishers[publisher] = ImprintDict(publisher, new_publishers[publisher])
class ImprintDict(dict): # type: ignore
"""
ImprintDict takes a publisher and a dict or mapping of lowercased
imprint names to the proper imprint name. Retrieving a value from an
ImprintDict returns a tuple of (imprint, publisher, keyExists).
if the key does not exist the key is returned as the publisher unchanged
"""
def __init__(self, publisher: str, mapping: tuple | Mapping = (), **kwargs: dict) -> None: # type: ignore
super().__init__(mapping, **kwargs)
self.publisher = publisher
def __missing__(self, key: str) -> None:
return None
def __getitem__(self, k: str) -> tuple[str, str, bool]:
item = super().__getitem__(k.casefold())
if k.casefold() == self.publisher.casefold():
return "", self.publisher, True
if item is None:
return "", k, False
else:
return item, self.publisher, True
def copy(self) -> ImprintDict:
return ImprintDict(self.publisher, super().copy())
publishers: dict[str, ImprintDict] = {}
def load_publishers() -> None:
try:
update_publishers(json.loads((comicapi.data.data_path / "publishers.json").read_text("utf-8")))
except Exception:
logger.exception("Failed to load publishers.json; The are no publishers or imprints loaded")