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https://github.com/bookwyrm-social/bookwyrm.git
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6556090524
When an existing author is selected as a new author when editing a book, if they have an ISNI ID recorded we check the record and augment the local database record from the ISNI data. Also dedupes author aliases for this feature and when adding a completely new author.
107 lines
3.2 KiB
Python
107 lines
3.2 KiB
Python
""" template filters for really common utilities """
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import os
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import re
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from uuid import uuid4
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from django import template
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from django.utils.safestring import mark_safe
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from django.utils.translation import gettext_lazy as _
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from django.template.defaultfilters import stringfilter
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from django.templatetags.static import static
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register = template.Library()
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@register.filter(name="uuid")
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def get_uuid(identifier):
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"""for avoiding clashing ids when there are many forms"""
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return f"{identifier}{uuid4()}"
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@register.filter(name="username")
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def get_user_identifier(user):
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"""use localname for local users, username for remote"""
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return user.localname if user.localname else user.username
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@register.filter(name="book_title")
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def get_title(book, too_short=5):
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"""display the subtitle if the title is short"""
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if not book:
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return ""
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title = book.title
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if len(title) <= too_short and book.subtitle:
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title = _("%(title)s: %(subtitle)s") % {
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"title": title,
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"subtitle": book.subtitle,
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}
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return title
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@register.simple_tag(takes_context=False)
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def comparison_bool(str1, str2, reverse=False):
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"""idk why I need to write a tag for this, it returns a bool"""
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if reverse:
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return str1 != str2
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return str1 == str2
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@register.filter(is_safe=True)
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def truncatepath(value, arg):
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"""Truncate a path by removing all directories except the first and truncating ."""
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path = os.path.normpath(value.name)
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path_list = path.split(os.sep)
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try:
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length = int(arg)
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except ValueError: # invalid literal for int()
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return path_list[-1] # Fail silently.
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return f"{path_list[0]}/…{path_list[-1][-length:]}"
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@register.simple_tag(takes_context=False)
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def get_book_cover_thumbnail(book, size="medium", ext="jpg"):
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"""Returns a book thumbnail at the specified size and extension,
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with fallback if needed"""
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if size == "":
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size = "medium"
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try:
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cover_thumbnail = getattr(book, f"cover_bw_book_{size}_{ext}")
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return cover_thumbnail.url
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except OSError:
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return static("images/no_cover.jpg")
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@register.filter(name="get_isni_bio")
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def get_isni_bio(existing, author):
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"""Returns the isni bio string if an existing author has an isni listed"""
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auth_isni = re.sub(r"\D", "", str(author.isni))
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if len(existing) == 0:
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return ""
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for value in existing:
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if "bio" in value and auth_isni == re.sub(r"\D", "", str(value["isni"])):
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return value["bio"]
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return ""
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@register.filter(name="get_isni", needs_autoescape=True)
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def get_isni(existing, author, autoescape=True):
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"""Returns the isni ID if an existing author has an ISNI listing"""
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auth_isni = re.sub(r"\D", "", str(author.isni))
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if len(existing) == 0:
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return ""
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for value in existing:
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if "isni" in value and auth_isni == re.sub(r"\D", "", str(value["isni"])):
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isni = value["isni"]
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return mark_safe(
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f'<input type="text" name="isni-for-{author.id}" value="{isni}" hidden>'
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)
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return ""
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@register.filter(name="remove_spaces")
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@stringfilter
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def remove_spaces(arg):
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"""Removes spaces from argument passed in"""
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return re.sub(r"\s", "", str(arg))
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