X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/f26b53f9b72c689f58714b36b31c7e1cdc2dfa2a..3cae7a60cf91b6e2b84628c5f3b4b2df77eda5d6:/librarian/epub.py?ds=sidebyside
diff --git a/librarian/epub.py b/librarian/epub.py
index eba59fe..333b56f 100644
--- a/librarian/epub.py
+++ b/librarian/epub.py
@@ -11,20 +11,69 @@ import re
import subprocess
from StringIO import StringIO
from copy import deepcopy
+from mimetypes import guess_type
+
from lxml import etree
import zipfile
from tempfile import mkdtemp, NamedTemporaryFile
from shutil import rmtree
-from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, OutputFile
-from librarian.cover import DefaultEbookCover
+from librarian import RDFNS, WLNS, NCXNS, OPFNS, XHTMLNS, DCNS, OutputFile
+from librarian.cover import make_cover
from librarian import functions, get_resource
+from librarian.hyphenator import Hyphenator
+
functions.reg_person_name()
functions.reg_lang_code_3to2()
+def squeeze_whitespace(s):
+ return re.sub(r'\s+', ' ', s)
+
+
+def set_hyph_language(source_tree):
+ def get_short_lng_code(text):
+ result = ''
+ text = ''.join(text)
+ with open(get_resource('res/ISO-639-2_8859-1.txt'), 'rb') as f:
+ for line in f:
+ list = line.strip().split('|')
+ if list[0] == text:
+ result = list[2]
+ if result == '':
+ return text
+ else:
+ return result
+ bibl_lng = etree.XPath('//dc:language//text()',
+ namespaces={'dc': str(DCNS)})(source_tree)
+ short_lng = get_short_lng_code(bibl_lng[0])
+ try:
+ return Hyphenator(get_resource('res/hyph-dictionaries/hyph_' +
+ short_lng + '.dic'))
+ except:
+ pass
+
+
+def hyphenate_and_fix_conjunctions(source_tree, hyph):
+ texts = etree.XPath('/utwor/*[2]//text()')(source_tree)
+ for t in texts:
+ parent = t.getparent()
+ if hyph is not None:
+ newt = ''
+ wlist = re.compile(r'\w+|[^\w]', re.UNICODE).findall(t)
+ for w in wlist:
+ newt += hyph.inserted(w, u'\u00AD')
+ else:
+ newt = t
+ newt = re.sub(r'(?<=\s\w)\s+', u'\u00A0', newt)
+ if t.is_text:
+ parent.text = newt
+ elif t.is_tail:
+ parent.tail = newt
+
+
def inner_xml(node):
""" returns node's text and children as a string
@@ -35,6 +84,7 @@ def inner_xml(node):
nt = node.text if node.text is not None else ''
return ''.join([nt] + [etree.tostring(child) for child in node])
+
def set_inner_xml(node, text):
""" sets node's text and children from a string
@@ -67,18 +117,19 @@ def node_name(node):
return tempnode.text
-def xslt(xml, sheet):
+def xslt(xml, sheet, **kwargs):
if isinstance(xml, etree._Element):
xml = etree.ElementTree(xml)
with open(sheet) as xsltf:
- return xml.xslt(etree.parse(xsltf))
+ transform = etree.XSLT(etree.parse(xsltf))
+ params = dict((key, transform.strparam(value)) for key, value in kwargs.iteritems())
+ return transform(xml, **params)
def replace_characters(node):
def replace_chars(text):
if text is None:
return None
- #text = re.sub(r"(?<=\s\w)\s+", u"\u00a0", text) #fix for hanging single letter conjunctions â for future use.
return text.replace(u"\ufeff", u"")\
.replace("---", u"\u2014")\
.replace("--", u"\u2013")\
@@ -99,7 +150,7 @@ def find_annotations(annotations, source, part_no):
for child in source:
if child.tag in ('pe', 'pa', 'pt', 'pr'):
annotation = deepcopy(child)
- number = str(len(annotations)+1)
+ number = str(len(annotations) + 1)
annotation.set('number', number)
annotation.set('part', str(part_no))
annotation.tail = ''
@@ -124,7 +175,7 @@ class Stanza(object):
>>> print etree.tostring(s)
a c cbx/
ycd
-
+
"""
def __init__(self, stanza_elem):
self.stanza = stanza_elem
@@ -139,7 +190,7 @@ class Stanza(object):
tail = self.stanza.tail
self.stanza.clear()
self.stanza.tail = tail
- self.stanza.extend(self.verses)
+ self.stanza.extend(verse for verse in self.verses if verse.text or len(verse) > 0)
def open_normal_verse(self):
self.open_verse = self.stanza.makeelement("wers_normalny")
@@ -156,6 +207,8 @@ class Stanza(object):
for i, verse_text in enumerate(re.split(r"/\s*\n", text)):
if i:
self.open_normal_verse()
+ if not verse_text.strip():
+ continue
verse = self.get_open_verse()
if len(verse):
verse[-1].tail = (verse[-1].tail or "") + verse_text
@@ -186,18 +239,17 @@ def add_to_manifest(manifest, partno):
""" Adds a node to the manifest section in content.opf file """
partstr = 'part%d' % partno
- e = manifest.makeelement(OPFNS('item'), attrib={
- 'id': partstr,
- 'href': partstr + '.html',
- 'media-type': 'application/xhtml+xml',
- })
+ e = manifest.makeelement(
+ OPFNS('item'), attrib={'id': partstr, 'href': partstr + '.html',
+ 'media-type': 'application/xhtml+xml'}
+ )
manifest.append(e)
def add_to_spine(spine, partno):
""" Adds a node to the spine section in content.opf file """
- e = spine.makeelement(OPFNS('itemref'), attrib={'idref': 'part%d' % partno});
+ e = spine.makeelement(OPFNS('itemref'), attrib={'idref': 'part%d' % partno})
spine.append(e)
@@ -211,7 +263,7 @@ class TOC(object):
def add(self, name, part_href, level=0, is_part=True, index=None):
assert level == 0 or index is None
if level > 0 and self.children:
- return self.children[-1].add(name, part_href, level-1, is_part)
+ return self.children[-1].add(name, part_href, level - 1, is_part)
else:
t = TOC(name)
t.part_href = part_href
@@ -249,7 +301,10 @@ class TOC(object):
nav_label = nav_map.makeelement(NCXNS('navLabel'))
text = nav_map.makeelement(NCXNS('text'))
- text.text = re.sub(r'\n', ' ', child.name)
+ if child.name is not None:
+ text.text = re.sub(r'\n', ' ', child.name)
+ else:
+ text.text = child.name
nav_label.append(text)
nav_point.append(nav_label)
@@ -266,7 +321,7 @@ class TOC(object):
texts.append(
"
" %
(depth, child.href(), child.name))
- texts.append(child.html_part(depth+1))
+ texts.append(child.html_part(depth + 1))
return "\n".join(texts)
def html(self):
@@ -289,10 +344,10 @@ def chop(main_text):
# prepare a container for each chunk
part_xml = etree.Element('utwor')
etree.SubElement(part_xml, 'master')
- main_xml_part = part_xml[0] # master
+ main_xml_part = part_xml[0] # master
last_node_part = False
-
+
# the below loop are workaround for a problem with epubs in drama ebooks without acts
is_scene = False
is_act = False
@@ -302,7 +357,7 @@ def chop(main_text):
is_scene = True
elif name == 'naglowek_akt':
is_act = True
-
+
for one_part in main_text:
name = one_part.tag
if is_act is False and is_scene is True:
@@ -326,7 +381,7 @@ def chop(main_text):
main_xml_part[:] = [deepcopy(one_part)]
else:
main_xml_part.append(deepcopy(one_part))
- last_node_part = False
+ last_node_part = False
yield part_xml
@@ -352,18 +407,22 @@ def transform_chunk(chunk_xml, chunk_no, annotations, empty=False, _empty_html_s
replace_by_verse(chunk_xml)
html_tree = xslt(chunk_xml, get_resource('epub/xsltScheme.xsl'))
chars = used_chars(html_tree.getroot())
- output_html = etree.tostring(html_tree, method="html", pretty_print=True)
+ output_html = etree.tostring(
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype=''
+ )
return output_html, toc, chars
-def transform(wldoc, verbose=False,
- style=None, html_toc=False,
- sample=None, cover=None, flags=None):
+def transform(wldoc, verbose=False, style=None, html_toc=False,
+ sample=None, cover=None, flags=None, hyphenate=False, ilustr_path='', output_type='epub'):
""" produces a EPUB file
sample=n: generate sample e-book (with at least n paragraphs)
cover: a cover.Cover factory or True for default
- flags: less-advertising, without-fonts, working-copy, with-full-fonts
+ flags: less-advertising, without-fonts, working-copy
"""
def transform_file(wldoc, chunk_counter=1, first=True, sample=None):
@@ -371,16 +430,24 @@ def transform(wldoc, verbose=False,
replace_characters(wldoc.edoc.getroot())
+ hyphenator = set_hyph_language(wldoc.edoc.getroot()) if hyphenate else None
+ hyphenate_and_fix_conjunctions(wldoc.edoc.getroot(), hyphenator)
+
# every input file will have a TOC entry,
# pointing to starting chunk
toc = TOC(wldoc.book_info.title, "part%d.html" % chunk_counter)
chars = set()
if first:
# write book title page
- html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl'))
+ html_tree = xslt(wldoc.edoc, get_resource('epub/xsltTitle.xsl'), outputtype=output_type)
chars = used_chars(html_tree.getroot())
- zip.writestr('OPS/title.html',
- etree.tostring(html_tree, method="html", pretty_print=True))
+ html_string = etree.tostring(
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype=''
+ )
+ zip.writestr('OPS/title.html', squeeze_whitespace(html_string))
# add a title page TOC entry
toc.add(u"Strona tytuÅowa", "title.html")
elif wldoc.book_info.parts:
@@ -391,8 +458,13 @@ def transform(wldoc, verbose=False,
else:
html_tree = xslt(wldoc.edoc, get_resource('epub/xsltChunkTitle.xsl'))
chars = used_chars(html_tree.getroot())
- html_string = etree.tostring(html_tree, method="html", pretty_print=True)
- zip.writestr('OPS/part%d.html' % chunk_counter, html_string)
+ html_string = etree.tostring(
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype=''
+ )
+ zip.writestr('OPS/part%d.html' % chunk_counter, squeeze_whitespace(html_string))
add_to_manifest(manifest, chunk_counter)
add_to_spine(spine, chunk_counter)
chunk_counter += 1
@@ -418,7 +490,7 @@ def transform(wldoc, verbose=False,
toc.extend(chunk_toc)
chars = chars.union(chunk_chars)
- zip.writestr('OPS/part%d.html' % chunk_counter, chunk_html)
+ zip.writestr('OPS/part%d.html' % chunk_counter, squeeze_whitespace(chunk_html))
add_to_manifest(manifest, chunk_counter)
add_to_spine(spine, chunk_counter)
chunk_counter += 1
@@ -431,7 +503,6 @@ def transform(wldoc, verbose=False,
return toc, chunk_counter, chars, sample
-
document = deepcopy(wldoc)
del wldoc
@@ -439,9 +510,14 @@ def transform(wldoc, verbose=False,
for flag in flags:
document.edoc.getroot().set(flag, 'yes')
+ document.clean_ed_note()
+ document.clean_ed_note('abstrakt')
+
# add editors info
- document.edoc.getroot().set('editors', u', '.join(sorted(
- editor.readable() for editor in document.editors())))
+ editors = document.editors()
+ if editors:
+ document.edoc.getroot().set('editors', u', '.join(sorted(
+ editor.readable() for editor in editors)))
if document.book_info.funders:
document.edoc.getroot().set('funders', u', '.join(
document.book_info.funders))
@@ -456,26 +532,42 @@ def transform(wldoc, verbose=False,
output_file = NamedTemporaryFile(prefix='librarian', suffix='.epub', delete=False)
zip = zipfile.ZipFile(output_file, 'w', zipfile.ZIP_DEFLATED)
+ functions.reg_mathml_epub(zip)
+
+ if os.path.isdir(ilustr_path):
+ for i, filename in enumerate(os.listdir(ilustr_path)):
+ file_path = os.path.join(ilustr_path, filename)
+ zip.write(file_path, os.path.join('OPS', filename))
+ image_id = 'image%s' % i
+ manifest.append(etree.fromstring(
+ ' ' % (image_id, filename, guess_type(file_path)[0])))
+
# write static elements
mime = zipfile.ZipInfo()
mime.filename = 'mimetype'
mime.compress_type = zipfile.ZIP_STORED
mime.extra = ''
zip.writestr(mime, 'application/epub+zip')
- zip.writestr('META-INF/container.xml', '' \
- '' \
- '')
- zip.write(get_resource('res/wl-logo-small.png'), os.path.join('OPS', 'logo_wolnelektury.png'))
- zip.write(get_resource('res/jedenprocent.png'), os.path.join('OPS', 'jedenprocent.png'))
+ zip.writestr(
+ 'META-INF/container.xml',
+ ''
+ ''
+ ''
+ ''
+ )
+ zip.write(get_resource('res/wl-logo-small.png'),
+ os.path.join('OPS', 'logo_wolnelektury.png'))
+ zip.write(get_resource('res/jedenprocent.png'),
+ os.path.join('OPS', 'jedenprocent.png'))
if not style:
style = get_resource('epub/style.css')
zip.write(style, os.path.join('OPS', 'style.css'))
if cover:
if cover is True:
- cover = DefaultEbookCover
+ cover = make_cover
cover_file = StringIO()
bound_cover = cover(document.book_info)
@@ -487,7 +579,11 @@ def transform(wldoc, verbose=False,
cover_tree = etree.parse(get_resource('epub/cover.html'))
cover_tree.find('//' + XHTMLNS('img')).set('src', cover_name)
zip.writestr('OPS/cover.html', etree.tostring(
- cover_tree, method="html", pretty_print=True))
+ cover_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype=''
+ ))
if bound_cover.uses_dc_cover:
if document.book_info.cover_by:
@@ -503,14 +599,16 @@ def transform(wldoc, verbose=False,
opf.getroot()[0].append(etree.fromstring(''))
guide.append(etree.fromstring(''))
-
annotations = etree.Element('annotations')
- toc_file = etree.fromstring('' \
- '' \
- '')
+ toc_file = etree.fromstring(
+ ''
+ ''
+ ''
+ )
nav_map = toc_file[-1]
if html_toc:
@@ -536,7 +634,11 @@ def transform(wldoc, verbose=False,
html_tree = xslt(annotations, get_resource('epub/xsltAnnotations.xsl'))
chars = chars.union(used_chars(html_tree.getroot()))
zip.writestr('OPS/annotations.html', etree.tostring(
- html_tree, method="html", pretty_print=True))
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype=''
+ ))
toc.add("Wesprzyj Wolne Lektury", "support.html")
manifest.append(etree.fromstring(
@@ -545,19 +647,23 @@ def transform(wldoc, verbose=False,
''))
html_string = open(get_resource('epub/support.html')).read()
chars.update(used_chars(etree.fromstring(html_string)))
- zip.writestr('OPS/support.html', html_string)
+ zip.writestr('OPS/support.html', squeeze_whitespace(html_string))
toc.add("Strona redakcyjna", "last.html")
manifest.append(etree.fromstring(
' '))
spine.append(etree.fromstring(
''))
- html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl'))
+ html_tree = xslt(document.edoc, get_resource('epub/xsltLast.xsl'), outputtype=output_type)
chars.update(used_chars(html_tree.getroot()))
- zip.writestr('OPS/last.html', etree.tostring(
- html_tree, method="html", pretty_print=True))
-
- if not flags or not 'without-fonts' in flags:
+ zip.writestr('OPS/last.html', squeeze_whitespace(etree.tostring(
+ html_tree, pretty_print=True, xml_declaration=True,
+ encoding="utf-8",
+ doctype=''
+ )))
+
+ if not flags or 'without-fonts' not in flags:
# strip fonts
tmpdir = mkdtemp('-librarian-epub')
try:
@@ -567,23 +673,25 @@ def transform(wldoc, verbose=False,
os.chdir(os.path.join(os.path.dirname(os.path.realpath(__file__)), 'font-optimizer'))
for fname in 'DejaVuSerif.ttf', 'DejaVuSerif-Bold.ttf', 'DejaVuSerif-Italic.ttf', 'DejaVuSerif-BoldItalic.ttf':
- if not flags or not 'with-full-fonts' in flags:
- optimizer_call = ['perl', 'subset.pl', '--chars', ''.join(chars).encode('utf-8'),
- get_resource('fonts/' + fname), os.path.join(tmpdir, fname)]
- if verbose:
- print "Running font-optimizer"
- subprocess.check_call(optimizer_call)
- else:
- subprocess.check_call(optimizer_call, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
+ optimizer_call = ['perl', 'subset.pl', '--chars',
+ ''.join(chars).encode('utf-8'),
+ get_resource('fonts/' + fname),
+ os.path.join(tmpdir, fname)]
+ env = {"PERL_USE_UNSAFE_INC": "1"}
+ if verbose:
+ print "Running font-optimizer"
+ subprocess.check_call(optimizer_call, env=env)
else:
- zip.write(get_resource('fonts/' + fname), os.path.join('OPS', fname))
+ dev_null = open(os.devnull, 'w')
+ subprocess.check_call(optimizer_call, stdout=dev_null, stderr=dev_null, env=env)
+ zip.write(os.path.join(tmpdir, fname), os.path.join('OPS', fname))
manifest.append(etree.fromstring(
' ' % (fname, fname)))
rmtree(tmpdir)
if cwd is not None:
os.chdir(cwd)
- zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True, xml_declaration = True, encoding='UTF-8'))
+ zip.writestr('OPS/content.opf', etree.tostring(opf, pretty_print=True,
+ xml_declaration=True, encoding="utf-8"))
title = document.book_info.title
attributes = "dtb:uid", "dtb:depth", "dtb:totalPageCount", "dtb:maxPageNumber"
for st in attributes:
@@ -600,7 +708,8 @@ def transform(wldoc, verbose=False,
toc.add(u"Spis treÅci", "toc.html", index=1)
zip.writestr('OPS/toc.html', toc.html().encode('utf-8'))
toc.write_to_xml(nav_map)
- zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True, xml_declaration = True, encoding='UTF-8'))
+ zip.writestr('OPS/toc.ncx', etree.tostring(toc_file, pretty_print=True,
+ xml_declaration=True, encoding="utf-8"))
zip.close()
return OutputFile.from_filename(output_file.name)