-# coding: utf-8
-from __future__ import unicode_literals
-
-try:
- from urllib.request import urlopen
-except ImportError:
- from urllib2 import urlopen
+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
+#
+from collections import defaultdict
+import os
+from urllib.request import urlopen
from lxml import etree
-from librarian.html import add_anchors, add_table_of_contents, add_table_of_themes
+from librarian.html import add_table_of_contents, add_table_of_themes, add_image_sizes
from librarian import OutputFile
-class HtmlBuilder:
+class TreeBuilder:
+ @property
+ def cursor(self):
+ return self.current_cursors[-1]
+
+ def enter_fragment(self, fragment):
+ cursor = self.cursors.get(fragment, self.cursor)
+ self.current_cursors.append(cursor)
+
+ def exit_fragment(self):
+ self.current_cursors.pop()
+
+ def create_fragment(self, name, element):
+ assert name not in self.cursors
+ self.cursors[name] = element
+
+ def forget_fragment(self, name):
+ del self.cursors[name]
+
+ def start_element(self, tag, attrib=None):
+ self.current_cursors.append(etree.SubElement(
+ self.cursor,
+ tag,
+ **(attrib or {})
+ ))
+
+ def end_element(self):
+ self.current_cursors.pop()
+
+ def push_text(self, text):
+ cursor = self.cursor
+ if len(cursor):
+ cursor[-1].tail = (cursor[-1].tail or '') + text
+ else:
+ cursor.text = (cursor.text or '') + text
+
+ def simple_element(self, tag, text='', attrib=None):
+ self.start_element(tag, attrib)
+ self.push_text(text)
+ self.end_element()
+
+
+class HtmlBuilder(TreeBuilder):
+ build_method_fn = 'html_build'
file_extension = "html"
- with_anchors = True
with_themes = True
with_toc = True
with_footnotes = True
with_nota_red = True
+ with_ids = True
+ with_numbering = True
no_externalities = False
orphans = True
- def __init__(self, base_url=None):
+ root_tag = 'div'
+ root_attrib = {'id': 'book-text'}
+
+ def __init__(self, gallery_path=None, gallery_url=None, base_url=None):
self._base_url = base_url
+ self.gallery_path = gallery_path
+ self.gallery_url = gallery_url
- self.tree = text = etree.Element('div', **{'id': 'book-text'})
- self.header = etree.SubElement(text, 'h1')
+ self.tree = text = etree.Element(self.root_tag, **self.root_attrib)
+ self.header = etree.Element('h1')
self.footnotes = etree.Element('div', id='footnotes')
- self.footnote_counter = 0
self.nota_red = etree.Element('div', id='nota_red')
else:
return 'https://wolnelektury.pl/media/book/pictures/{}/'.format(self.document.meta.url.slug)
- @property
- def cursor(self):
- return self.current_cursors[-1]
-
- def enter_fragment(self, fragment):
- self.current_cursors.append(self.cursors[fragment])
-
- def exit_fragment(self):
- self.current_cursors.pop()
-
- def create_fragment(self, name, element):
- assert name not in self.cursors
- self.cursors[name] = element
-
- def forget_fragment(self, name):
- del self.cursors[name]
-
- def preprocess(self, document):
- document._compat_assign_ordered_ids()
- document._compat_assign_section_ids()
-
- def build(self, document, **kwargs):
+ def build(self, document, element=None, **kwargs):
self.document = document
+ self.document.assign_ids()
+ self.prepare_images()
- self.preprocess(document)
- document.tree.getroot().html_build(self)
+ if element is None:
+ element = document.tree.getroot()
+
+ element.html_build(self)
self.postprocess(document)
return self.output()
+ def prepare_images(self):
+ # Temporarily use the legacy method, before transitioning to external generators.
+ if self.gallery_path is None:
+ return
+ try:
+ os.makedirs(self.gallery_path)
+ except OSError:
+ pass
+ add_image_sizes(self.document.tree, self.gallery_path, self.gallery_url, self.base_url)
+
def output(self):
+ if not len(self.tree):
+ return None
return OutputFile.from_bytes(
etree.tostring(
self.tree,
)
def postprocess(self, document):
- _ = document.tree.getroot().master.gettext
+ _ = document.tree.getroot().gettext
if document.meta.translators:
self.enter_fragment('header')
)
self.exit_fragment()
- if self.with_anchors:
- add_anchors(self.tree)
+ if len(self.header):
+ self.tree.insert(0, self.header)
+
if self.with_nota_red and len(self.nota_red):
self.tree.append(self.nota_red)
if self.with_themes:
if self.with_toc:
add_table_of_contents(self.tree)
- if self.footnote_counter:
+ if len(self.footnotes):
fnheader = etree.Element("h3")
fnheader.text = _("Footnotes")
self.footnotes.insert(0, fnheader)
self.tree.append(self.footnotes)
- def start_element(self, tag, attrib=None):
- self.current_cursors.append(etree.SubElement(
- self.cursor,
- tag,
- **(attrib or {})
- ))
-
- def end_element(self):
- self.current_cursors.pop()
-
- def push_text(self, text):
- cursor = self.cursor
- if len(cursor):
- cursor[-1].tail = (cursor[-1].tail or '') + text
- else:
- cursor.text = (cursor.text or '') + text
+ def add_visible_number(self, element):
+ assert '_id' in element.attrib, etree.tostring(element)
+ self.start_element('a', {
+ 'href': f'#{element.attrib["_id"]}',
+ 'class': 'wl-num',
+ })
+ self.push_text(element.attrib['_visible_numbering'])
+ self.end_element()
class StandaloneHtmlBuilder(HtmlBuilder):
head = etree.Element('head')
tree.insert(0, head)
-
etree.SubElement(head, 'meta', charset='utf-8')
etree.SubElement(head, 'title').text = document.meta.title
)
+class SnippetHtmlBuilder(HtmlBuilder):
+ with_themes = False
+ with_toc = False
+ with_footnotes = False
+ with_nota_red = False
+ with_ids = False
+ with_numbering = False
+
+
+class AbstraktHtmlBuilder(HtmlBuilder):
+ with_themes = False
+ with_toc = False
+ with_footnotes = False
+ with_nota_red = False
+ with_ids = False
+ with_numbering = False
+
+ root_tag = 'blockquote'
+ root_attrib = {}
+
+ def build(self, document, element=None, **kwargs):
+ if element is None:
+ element = document.tree.find('//abstrakt')
+ if element is None:
+ return OutputFile.from_bytes(b'')
+ element.attrib['_force'] = '1'
+ return super().build(document, element, **kwargs)
+
+
class DaisyHtmlBuilder(StandaloneHtmlBuilder):
file_extension = 'xhtml'
- with_anchors = False
with_themes = False
with_toc = False
with_footnotes = False
with_nota_red = False
with_deep_identifiers = False
no_externalities = True
+ with_numbering = False
def output(self):
tree = etree.ElementTree(self.tree)
fnp / librarian.git / blobdiff