X-Git-Url: https://git.mdrn.pl/librarian.git/blobdiff_plain/09dded3d8606e8e4406fffcf477ceb4a1c97fee2..fec62da2886e29aa0a9233e13fd9cae0ca6076bf:/librarian/pdf.py diff --git a/librarian/pdf.py b/librarian/pdf.py index 94441db..476fbee 100644 --- a/librarian/pdf.py +++ b/librarian/pdf.py @@ -19,25 +19,25 @@ from Texml.processor import process from lxml import etree from lxml.etree import XMLSyntaxError, XSLTApplyError +from librarian.dcparser import Person from librarian.parser import WLDocument -from librarian import ParseError +from librarian import ParseError, DCNS, get_resource from librarian import functions - functions.reg_substitute_entities() -functions.reg_person_name() functions.reg_strip() functions.reg_starts_white() functions.reg_ends_white() +functions.reg_texcommand() STYLESHEETS = { - 'wl2tex': 'xslt/wl2tex.xslt', + 'wl2tex': 'pdf/wl2tex.xslt', } -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'); @@ -45,46 +45,47 @@ def insert_tags(doc, split_re, tagname): ABCXYZ """ - for elem in doc.iter(): - try: - if elem.text: - chunks = split_re.split(elem.text) - while len(chunks) > 1: - ins = etree.Element(tagname) - ins.tail = chunks.pop() - elem.insert(0, ins) - elem.text = chunks.pop(0) - if elem.tail: - chunks = split_re.split(elem.tail) - parent = elem.getparent() - ins_index = parent.index(elem) + 1 - while len(chunks) > 1: - ins = etree.Element(tagname) - ins.tail = chunks.pop() - parent.insert(ins_index, ins) - elem.tail = chunks.pop(0) - except TypeError, e: - # element with no children, like comment - pass + 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: + ins = etree.Element(tagname) + ins.tail = chunks.pop() + elem.insert(0, ins) + elem.text = chunks.pop(0) + if elem.tail: + chunks = split_re.split(elem.tail) + parent = elem.getparent() + ins_index = parent.index(elem) + 1 + while len(chunks) > 1: + ins = etree.Element(tagname) + ins.tail = chunks.pop() + parent.insert(ins_index, ins) + elem.tail = chunks.pop(0) 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): """ 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 motif in master.xpath('motyw'): - print motif.text for sib in motif.itersiblings(): 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 @@ -126,15 +127,27 @@ def hack_motifs(doc): break -def get_resource(path): - return os.path.join(os.path.dirname(__file__), path) +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]: + 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_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') @@ -153,34 +166,52 @@ def package_available(package, args='', verbose=False): return p == 0 -def transform(provider, slug, 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): """ produces a PDF file with XeLaTeX provider: a DocProvider slug: slug of file to process, available by provider + file_path can be provided instead of a slug output_file: file-like object or path to output file output_dir: path to directory to save output file to; either this or output_file must be present 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, """ # Parse XSLT try: - # check for latex packages - if not package_available('morefloats', 'maxfloats=19', verbose=verbose): - document.edoc.getroot().set('old-morefloats', 'yes') - print >> sys.stderr, """ -============================================================================== -LaTeX `morefloats' package is older than v.1.0c or not available at all. -Some documents with many motifs in long stanzas or paragraphs may not compile. -==============================================================================""" - - document = load_including_children(provider, slug) + if file_path: + if slug: + raise ValueError('slug or file_path should be specified, not both') + document = load_including_children(provider, file_path=file_path) + else: + if not slug: + 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 morefloats: + document.edoc.getroot().set('morefloats', morefloats.lower()) + elif package_available('morefloats', 'maxfloats=19'): + document.edoc.getroot().set('morefloats', 'new') # hack the tree move_motifs_inside(document.edoc) hack_motifs(document.edoc) + parse_creator(document.edoc) substitute_hyphens(document.edoc) fix_hanging(document.edoc) @@ -193,10 +224,17 @@ Some documents with many motifs in long stanzas or paragraphs may not compile. 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') @@ -208,7 +246,7 @@ Some documents with many motifs in long stanzas or paragraphs may not compile. # LaTeX -> PDF shutil.copy(get_resource('pdf/wl.sty'), temp) - shutil.copy(get_resource('pdf/wl-logo.png'), temp) + shutil.copy(get_resource('res/wl-logo.png'), temp) cwd = os.getcwd() os.chdir(temp) @@ -229,7 +267,10 @@ Some documents with many motifs in long stanzas or paragraphs may not compile. os.makedirs(output_dir) except OSError: pass - output_path = os.path.join(output_dir, '%s.pdf' % slug) + if slug: + output_path = os.path.join(output_dir, '%s.pdf' % slug) + else: + output_path = os.path.join(output_dir, os.path.splitext(os.path.basename(file_path))[0] + '.pdf') shutil.move(pdf_path, output_path) else: if hasattr(output_file, 'write'): @@ -246,8 +287,8 @@ Some documents with many motifs in long stanzas or paragraphs may not compile. raise ParseError(e) -def load_including_children(provider, slug=None, uri=None): - """ makes one big xml file with children inserted at end +def load_including_children(provider, slug=None, uri=None, file_path=None): + """ makes one big xml file with children inserted at end either slug or uri must be provided """ @@ -255,15 +296,20 @@ def load_including_children(provider, slug=None, uri=None): f = provider.by_uri(uri) elif slug: f = provider[slug] + elif file_path: + f = open(file_path, 'r') else: - raise ValueError('Neither slug nor URI provided for a book.') + 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) + 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