images in epub/mobi

[librarian.git] / librarian / pdf.py

diff --git a/librarian/pdf.py b/librarian/pdf.py
index bcf8d9a..246fd0c 100644 (file)
--- a/librarian/pdf.py
+++ b/librarian/pdf.py
@@ -3,6 +3,12 @@
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #
 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
 #

+"""PDF creation library.
+
+Creates one big XML from the book and its children, converts it to LaTeX
+with TeXML, then runs it by XeLaTeX.
+
+"""

 from __future__ import with_statement
 import os
 import os.path
 from __future__ import with_statement
 import os
 import os.path


@@ -21,7 +27,8 @@ from librarian.dcparser import Person
 from librarian.parser import WLDocument
 from librarian import ParseError, DCNS, get_resource, OutputFile
 from librarian import functions
 from librarian.parser import WLDocument
 from librarian import ParseError, DCNS, get_resource, OutputFile
 from librarian import functions

-from librarian.cover import WLCover
+from librarian.cover import DefaultEbookCover
+from .sponsor import sponsor_logo

 
 
 functions.reg_substitute_entities()
 
 
 functions.reg_substitute_entities()


@@ -34,19 +41,21 @@ STYLESHEETS = {
     'wl2tex': 'pdf/wl2tex.xslt',
 }
 
     'wl2tex': 'pdf/wl2tex.xslt',
 }
 

-CUSTOMIZATIONS = [
-    'nofootnotes',
-    'nothemes',
-    'onehalfleading',
-    'doubleleading',
-    'nowlfont',
-    ]
+# CUSTOMIZATIONS = [
+#     'nofootnotes',
+#     'nothemes',
+#     'defaultleading',
+#     'onehalfleading',
+#     'doubleleading',
+#     'nowlfont',
+# ]
+

 
 def insert_tags(doc, split_re, tagname, exclude=None):
     """ inserts <tagname> for every occurence of `split_re' in text nodes in the `doc' tree
 
 
 def insert_tags(doc, split_re, tagname, exclude=None):
     """ inserts <tagname> for every occurence of `split_re' in text nodes in the `doc' tree
 

-    >>> t = etree.fromstring('<a><b>A-B-C</b>X-Y-Z</a>');
-    >>> insert_tags(t, re.compile('-'), 'd');
+    >>> t = etree.fromstring('<a><b>A-B-C</b>X-Y-Z</a>')
+    >>> insert_tags(t, re.compile('-'), 'd')

     >>> print etree.tostring(t)
     <a><b>A<d/>B<d/>C</b>X<d/>Y<d/>Z</a>
     """
     >>> print etree.tostring(t)
     <a><b>A<d/>B<d/>C</b>X<d/>Y<d/>Z</a>
     """


@@ -88,12 +97,26 @@ def fix_hanging(doc):
                 )
 
 
                 )
 
 

+def fix_tables(doc):
+    for kol in doc.iter(tag='kol'):
+        if kol.tail is not None:
+            if not kol.tail.strip():
+                kol.tail = None
+    for table in doc.iter(tag='tabela'):
+        if table.get('ramka') == '1' or table.get('ramki') == '1':
+            table.set('_format', '|' + 'X|' * len(table[0]))
+        else:
+            table.set('_format', 'X' * len(table[0]))
+
+

 def move_motifs_inside(doc):
     """ moves motifs to be into block elements """
 def move_motifs_inside(doc):
     """ moves motifs to be into block elements """

-    for master in doc.xpath('//powiesc|//opowiadanie|//liryka_l|//liryka_lp|//dramat_wierszowany_l|//dramat_wierszowany_lp|//dramat_wspolczesny'):
+    for master in doc.xpath('//powiesc|//opowiadanie|//liryka_l|//liryka_lp|'
+                            '//dramat_wierszowany_l|//dramat_wierszowany_lp|//dramat_wspolczesny'):

         for motif in master.xpath('motyw'):
             for sib in motif.itersiblings():
         for motif in master.xpath('motyw'):
             for sib in motif.itersiblings():

-                if sib.tag not in ('sekcja_swiatlo', 'sekcja_asterysk', 'separator_linia', 'begin', 'end', 'motyw', 'extra', 'uwaga'):
+                if sib.tag not in ('sekcja_swiatlo', 'sekcja_asterysk', 'separator_linia',
+                                   'begin', 'end', 'motyw', 'extra', 'uwaga'):

                     # motif shouldn't have a tail - it would be untagged text
                     motif.tail = None
                     motif.getparent().remove(motif)
                     # motif shouldn't have a tail - it would be untagged text
                     motif.tail = None
                     motif.getparent().remove(motif)


@@ -134,10 +157,13 @@ def hack_motifs(doc):
 
 
 def parse_creator(doc):
 
 
 def parse_creator(doc):

-    """ find all dc:creator and dc.contributor tags and add *_parsed versions with forenames first """
-    for person in doc.xpath("|".join('//dc:'+(tag) for tag in (
-                    'creator', 'contributor.translator', 'contributor.editor', 'contributor.technical_editor')),
-                    namespaces = {'dc': str(DCNS)})[::-1]:
+    """Generates readable versions of creator and translator tags.
+
+    Finds all dc:creator and dc.contributor.translator tags
+    and adds *_parsed versions with forenames first.
+    """
+    for person in doc.xpath("|".join('//dc:' + tag for tag in ('creator', 'contributor.translator')),
+                            namespaces={'dc': str(DCNS)})[::-1]:

         if not person.text:
             continue
         p = Person.from_text(person.text)
         if not person.text:
             continue
         p = Person.from_text(person.text)


@@ -173,45 +199,58 @@ def package_available(package, args='', verbose=False):
 
 
 def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
 
 
 def transform(wldoc, verbose=False, save_tex=None, morefloats=None,

-              cover=None, flags=None, customizations=None):
+              cover=None, flags=None, customizations=None, ilustr_path=''):

     """ produces a PDF file with XeLaTeX
 
     wldoc: a WLDocument
     verbose: prints all output from LaTeX
     save_tex: path to save the intermediary LaTeX file to
     morefloats (old/new/none): force specific morefloats
     """ produces a PDF file with XeLaTeX
 
     wldoc: a WLDocument
     verbose: prints all output from LaTeX
     save_tex: path to save the intermediary LaTeX file to
     morefloats (old/new/none): force specific morefloats

-    cover: a cover.Cover object
+    cover: a cover.Cover factory or True for default

     flags: less-advertising,
     customizations: user requested customizations regarding various formatting parameters (passed to wl LaTeX class)
     """
 
     # Parse XSLT
     try:
     flags: less-advertising,
     customizations: user requested customizations regarding various formatting parameters (passed to wl LaTeX class)
     """
 
     # Parse XSLT
     try:

+        book_info = wldoc.book_info

         document = load_including_children(wldoc)
         document = load_including_children(wldoc)

+        root = document.edoc.getroot()

 
         if cover:
             if cover is True:
 
         if cover:
             if cover is True:

-                cover = WLCover
-            document.edoc.getroot().set('data-cover-width', str(cover.width))
-            document.edoc.getroot().set('data-cover-height', str(cover.height))
-            if cover.uses_dc_cover:
-                if document.book_info.cover_by:
-                    document.edoc.getroot().set('data-cover-by', document.book_info.cover_by)
-                if document.book_info.cover_source:
-                    document.edoc.getroot().set('data-cover-source', document.book_info.cover_source)
+                cover = DefaultEbookCover
+            bound_cover = cover(book_info, width=1200)
+            root.set('data-cover-width', str(bound_cover.width))
+            root.set('data-cover-height', str(bound_cover.height))
+            if bound_cover.uses_dc_cover:
+                if book_info.cover_by:
+                    root.set('data-cover-by', book_info.cover_by)
+                if book_info.cover_source:
+                    root.set('data-cover-source', book_info.cover_source)

         if flags:
             for flag in flags:
         if flags:
             for flag in flags:

-                document.edoc.getroot().set('flag-' + flag, 'yes')
+                root.set('flag-' + flag, 'yes')

 
         # check for LaTeX packages
         if morefloats:
 
         # check for LaTeX packages
         if morefloats:

-            document.edoc.getroot().set('morefloats', morefloats.lower())
+            root.set('morefloats', morefloats.lower())

         elif package_available('morefloats', 'maxfloats=19'):
         elif package_available('morefloats', 'maxfloats=19'):

-            document.edoc.getroot().set('morefloats', 'new')
+            root.set('morefloats', 'new')

 
         # add customizations
         if customizations is not None:
 
         # add customizations
         if customizations is not None:

-            document.edoc.getroot().set('customizations', u','.join(customizations))
+            root.set('customizations', u','.join(customizations))
+
+        # add editors info
+        editors = document.editors()
+        if editors:
+            root.set('editors', u', '.join(sorted(
+                editor.readable() for editor in editors)))
+        if document.book_info.funders:
+            root.set('funders', u', '.join(document.book_info.funders))
+        if document.book_info.thanks:
+            root.set('thanks', document.book_info.thanks)

 
         # hack the tree
         move_motifs_inside(document.edoc)
 
         # hack the tree
         move_motifs_inside(document.edoc)


@@ -219,22 +258,38 @@ def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
         parse_creator(document.edoc)
         substitute_hyphens(document.edoc)
         fix_hanging(document.edoc)
         parse_creator(document.edoc)
         substitute_hyphens(document.edoc)
         fix_hanging(document.edoc)

+        fix_tables(document.edoc)

 
         # wl -> TeXML
         style_filename = get_stylesheet("wl2tex")
         style = etree.parse(style_filename)
 
         # wl -> TeXML
         style_filename = get_stylesheet("wl2tex")
         style = etree.parse(style_filename)

-
-        texml = document.transform(style)
+        functions.reg_mathml_latex()

 
         # TeXML -> LaTeX
         temp = mkdtemp('-wl2pdf')
 
 
         # TeXML -> LaTeX
         temp = mkdtemp('-wl2pdf')
 

+        for ilustr in document.edoc.findall("//ilustr"):
+            shutil.copy(os.path.join(ilustr_path, ilustr.get("src")), temp)
+
+        for sponsor in book_info.sponsors:
+            ins = etree.Element("data-sponsor", name=sponsor)
+            logo = sponsor_logo(sponsor)
+            if logo:
+                fname = 'sponsor-%s' % os.path.basename(logo)
+                shutil.copy(logo, os.path.join(temp, fname))
+                ins.set('src', fname)
+            root.insert(0, ins)
+                
+        if book_info.sponsor_note:
+            root.set("sponsor-note", book_info.sponsor_note)
+
+        texml = document.transform(style)
+

         if cover:
         if cover:

-            c = cover(document.book_info)

             with open(os.path.join(temp, 'cover.png'), 'w') as f:
             with open(os.path.join(temp, 'cover.png'), 'w') as f:

-                c.save(f)
+                bound_cover.save(f, quality=80)

 
 

-        del document # no longer needed large object :)
+        del document  # no longer needed large object :)

 
         tex_path = os.path.join(temp, 'doc.tex')
         fout = open(tex_path, 'w')
 
         tex_path = os.path.join(temp, 'doc.tex')
         fout = open(tex_path, 'w')


@@ -249,7 +304,10 @@ def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
         shutil.copy(get_resource('pdf/wl.cls'), temp)
         shutil.copy(get_resource('res/wl-logo.png'), temp)
 
         shutil.copy(get_resource('pdf/wl.cls'), temp)
         shutil.copy(get_resource('res/wl-logo.png'), temp)
 

-        cwd = os.getcwd()
+        try:
+            cwd = os.getcwd()
+        except OSError:
+            cwd = None

         os.chdir(temp)
 
         if verbose:
         os.chdir(temp)
 
         if verbose:


@@ -259,7 +317,8 @@ def transform(wldoc, verbose=False, save_tex=None, morefloats=None,
         if p:
             raise ParseError("Error parsing .tex file")
 
         if p:
             raise ParseError("Error parsing .tex file")
 

-        os.chdir(cwd)
+        if cwd is not None:
+            os.chdir(cwd)

 
         output_file = NamedTemporaryFile(prefix='librarian', suffix='.pdf', delete=False)
         pdf_path = os.path.join(temp, 'doc.pdf')
 
         output_file = NamedTemporaryFile(prefix='librarian', suffix='.pdf', delete=False)
         pdf_path = os.path.join(temp, 'doc.pdf')


@@ -289,7 +348,7 @@ def load_including_children(wldoc=None, provider=None, uri=None):
 
     text = re.sub(ur"([\u0400-\u04ff]+)", ur"<alien>\1</alien>", text)
 
 
     text = re.sub(ur"([\u0400-\u04ff]+)", ur"<alien>\1</alien>", text)
 

-    document = WLDocument.from_string(text, parse_dublincore=True)
+    document = WLDocument.from_string(text, parse_dublincore=True, provider=provider)

     document.swap_endlines()
 
     for child_uri in document.book_info.parts:
     document.swap_endlines()
 
     for child_uri in document.book_info.parts: