X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/33165a21eb5b83f96d73e616414a1ee9e7227013..d7ba2c607dacf7a6136b83a1588b5adf2278ad46:/librarian/pdf.py diff --git a/librarian/pdf.py b/librarian/pdf.py index 32fa571..1bfd949 100644 --- a/librarian/pdf.py +++ b/librarian/pdf.py @@ -21,7 +21,7 @@ from lxml.etree import XMLSyntaxError, XSLTApplyError from librarian.dcparser import Person from librarian.parser import WLDocument -from librarian import ParseError, DCNS +from librarian import ParseError, DCNS, get_resource from librarian import functions @@ -32,12 +32,19 @@ functions.reg_ends_white() functions.reg_texcommand() STYLESHEETS = { - 'wl2tex': 'xslt/wl2tex.xslt', + 'wl2tex': 'pdf/wl2tex.xslt', } +CUSTOMIZATIONS = [ + 'nofootnotes', + 'nothemes', + 'onehalfleading', + 'doubleleading', + 'nowlfont', + ] -def insert_tags(doc, split_re, tagname): - """ inserts for every occurence of `split_re' in text nodes in the `doc' tree +def insert_tags(doc, split_re, tagname, exclude=None): + """ inserts for every occurence of `split_re' in text nodes in the `doc' tree >>> t = etree.fromstring('A-B-CX-Y-Z'); >>> insert_tags(t, re.compile('-'), 'd'); @@ -46,6 +53,8 @@ def insert_tags(doc, split_re, tagname): """ for elem in doc.iter(tag=etree.Element): + if exclude and elem.tag in exclude: + continue if elem.text: chunks = split_re.split(elem.text) while len(chunks) > 1: @@ -65,15 +74,19 @@ def insert_tags(doc, split_re, tagname): def substitute_hyphens(doc): - insert_tags(doc, + insert_tags(doc, re.compile("(?<=[^-\s])-(?=[^-\s])"), - "dywiz") + "dywiz", + exclude=[DCNS("identifier.url"), DCNS("rights.license")] + ) def fix_hanging(doc): - insert_tags(doc, + insert_tags(doc, re.compile("(?<=\s\w)\s+"), - "nbsp") + "nbsp", + exclude=[DCNS("identifier.url"), DCNS("rights.license")] + ) def move_motifs_inside(doc): @@ -122,29 +135,31 @@ def hack_motifs(doc): def parse_creator(doc): - """ find all dc:creator tags and add dc:creator_parsed with forenames first """ - for creator in doc.findall('//'+DCNS('creator')): - p = Person.from_text(creator.text) - creator_parsed = deepcopy(creator) - creator_parsed.tag = DCNS('creator_parsed') - creator_parsed.text = ' '.join(p.first_names + (p.last_name,)) - creator.getparent().insert(0, creator_parsed) + """ 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]: + if not person.text: + continue + p = Person.from_text(person.text) + person_parsed = deepcopy(person) + person_parsed.tag = person.tag + '_parsed' + person_parsed.set('sortkey', person.text) + person_parsed.text = p.readable() + person.getparent().insert(0, person_parsed) -def get_resource(path): - return os.path.join(os.path.dirname(__file__), path) - def get_stylesheet(name): return get_resource(STYLESHEETS[name]) def package_available(package, args='', verbose=False): - """ check if a verion of a latex package accepting given args is available """ + """ check if a verion of a latex package accepting given args is available """ tempdir = mkdtemp('-wl2pdf-test') fpath = os.path.join(tempdir, 'test.tex') f = open(fpath, 'w') f.write(r""" - \documentclass{book} + \documentclass{wl} \usepackage[%s]{%s} \begin{document} \end{document} @@ -158,7 +173,9 @@ def package_available(package, args='', verbose=False): return p == 0 -def transform(provider, slug=None, file_path=None, output_file=None, output_dir=None, make_dir=False, verbose=False, save_tex=None): +def transform(provider, slug=None, file_path=None, + output_file=None, output_dir=None, make_dir=False, verbose=False, save_tex=None, morefloats=None, + cover=None, flags=None, customizations=None): """ produces a PDF file with XeLaTeX provider: a DocProvider @@ -169,6 +186,10 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir= make_dir: writes output to //.pdf istead of /.pdf 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 + flags: less-advertising, + customizations: user requested customizations regarding various formatting parameters (passed to wl LaTeX class) """ # Parse XSLT @@ -182,10 +203,22 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir= raise ValueError('either slug or file_path should be specified') document = load_including_children(provider, slug=slug) + if cover: + document.edoc.getroot().set('data-cover-width', str(cover.width)) + document.edoc.getroot().set('data-cover-height', str(cover.height)) + if flags: + for flag in flags: + document.edoc.getroot().set('flag-' + flag, 'yes') + # check for LaTeX packages - if not package_available('morefloats', 'maxfloats=19'): - # using old morefloats or none at all - document.edoc.getroot().set('old-morefloats', 'yes') + if morefloats: + document.edoc.getroot().set('morefloats', morefloats.lower()) + elif package_available('morefloats', 'maxfloats=19'): + document.edoc.getroot().set('morefloats', 'new') + + # add customizations + if customizations is not None: + document.edoc.getroot().set('customizations', u','.join(customizations)) # hack the tree move_motifs_inside(document.edoc) @@ -202,11 +235,19 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir= # wl -> TeXML style_filename = get_stylesheet("wl2tex") style = etree.parse(style_filename) + texml = document.transform(style) - del document # no longer needed large object :) # TeXML -> LaTeX temp = mkdtemp('-wl2pdf') + + if cover: + c = cover(document.book_info.author.readable(), document.book_info.title) + with open(os.path.join(temp, 'cover.png'), 'w') as f: + c.save(f) + + del document # no longer needed large object :) + tex_path = os.path.join(temp, 'doc.tex') fout = open(tex_path, 'w') process(StringIO(texml), fout, 'utf-8') @@ -217,8 +258,8 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir= shutil.copy(tex_path, save_tex) # LaTeX -> PDF - shutil.copy(get_resource('pdf/wl.sty'), temp) - shutil.copy(get_resource('pdf/wl-logo.png'), temp) + shutil.copy(get_resource('pdf/wl.cls'), temp) + shutil.copy(get_resource('res/wl-logo.png'), temp) cwd = os.getcwd() os.chdir(temp) @@ -260,7 +301,7 @@ def transform(provider, slug=None, file_path=None, output_file=None, output_dir= def load_including_children(provider, slug=None, uri=None, file_path=None): - """ makes one big xml file with children inserted at end + """ makes one big xml file with children inserted at end either slug or uri must be provided """ @@ -273,14 +314,15 @@ def load_including_children(provider, slug=None, uri=None, file_path=None): else: raise ValueError('Neither slug, URI nor file path provided for a book.') - document = WLDocument.from_file(f, True, - parse_dublincore=True, - preserve_lines=False) + text = f.read().decode('utf-8') + text = re.sub(ur"([\u0400-\u04ff]+)", ur"\1", text) - f.close() + document = WLDocument.from_string(text, True, + parse_dublincore=True) + f.close() for child_uri in document.book_info.parts: + print child_uri child = load_including_children(provider, uri=child_uri) document.edoc.getroot().append(child.edoc.getroot()) - return document