asciidoc / a2x.py

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#!/usr/bin/env python
'''
a2x - A toolchain manager for AsciiDoc (converts Asciidoc text files to other
      file formats)

Copyright: Stuart Rackham (c) 2009
License:   MIT
Email:     srackham@gmail.com

'''

import os
import fnmatch
import HTMLParser
import re
import shutil
import subprocess
import sys
import traceback
import urlparse
import zipfile

PROG = os.path.basename(os.path.splitext(__file__)[0])
VERSION = '1.0.0'

# AsciiDoc global configuration file directory.
# NOTE: CONF_DIR is "fixed up" by Makefile -- don't rename or change syntax.
CONF_DIR = '/etc/asciidoc'


######################################################################
# Default configuration file parameters.
######################################################################

# Optional environment variable dictionary passed to executing programs.
# If set to None the existing environment is used.
ENV = None

# External executables.
ASCIIDOC = 'asciidoc'
XSLTPROC = 'xsltproc'
DBLATEX = 'dblatex'         # pdf generation.
FOP = 'fop'                 # pdf generation (--fop option).
W3M = 'w3m'                 # text generation.
LYNX = 'lynx'               # text generation (if no w3m).
XMLLINT = 'xmllint'         # Set to '' to disable.
EPUBCHECK = 'epubcheck'     # Set to '' to disable.

######################################################################
# End of configuration file parameters.
######################################################################


#####################################################################
# Utility functions
#####################################################################

OPTIONS = None  # These functions read verbose and dry_run command options.

def errmsg(msg):
    sys.stderr.write('%s: %s\n' % (PROG,msg))

def warning(msg):
    errmsg('WARNING: %s' % msg)

def infomsg(msg):
    print '%s: %s' % (PROG,msg)

def die(msg, exit_code=1):
    errmsg('ERROR: %s' % msg)
    sys.exit(exit_code)

def trace():
    """Print traceback to stderr."""
    errmsg('-'*60)
    traceback.print_exc(file=sys.stderr)
    errmsg('-'*60)

def verbose(msg):
    if OPTIONS.verbose or OPTIONS.dry_run:
        infomsg(msg)

class AttrDict(dict):
    """
    Like a dictionary except values can be accessed as attributes i.e. obj.foo
    can be used in addition to obj['foo'].
    If self._default has been set then it will be returned if a non-existant
    attribute is accessed (instead of raising an AttributeError).
    """
    def __getattr__(self, key):
        try:
            return self[key]
        except KeyError, k:
            if self.has_key('_default'):
                return self['_default']
            else:
                raise AttributeError, k
    def __setattr__(self, key, value):
        self[key] = value
    def __delattr__(self, key):
        try: del self[key]
        except KeyError, k: raise AttributeError, k
    def __repr__(self):
        return '<AttrDict ' + dict.__repr__(self) + '>'
    def __getstate__(self):
        return dict(self)
    def __setstate__(self,value):
        for k,v in value.items(): self[k]=v

def find_executable(file_name):
    '''
    Search for executable file_name in the system PATH.
    Return full path name or None if not found.
    '''
    def _find_executable(file_name):
        if os.path.split(file_name)[0] != '':
            # file_name includes directory so don't search path.
            if not os.access(file_name, os.X_OK):
                return None
            else:
                return file_name
        for p in os.environ.get('PATH', os.defpath).split(os.pathsep):
            f = os.path.join(p, file_name)
            if os.access(f, os.X_OK):
                return os.path.realpath(f)
        return None
    if os.name == 'nt' and os.path.splitext(file_name)[1] == '':
        for ext in ('.cmd','.bat','.exe'):
            result = _find_executable(file_name + ext)
            if result: break
    else:
        result = _find_executable(file_name)
    return result

def shell_cd(path):
    verbose('chdir %s' % path)
    if not OPTIONS.dry_run:
        os.chdir(path)

def shell_makedirs(path):
    if os.path.isdir(path):
        return
    verbose('creating %s' % path)
    if not OPTIONS.dry_run:
        os.makedirs(path)

def shell_copy(src, dst):
    verbose('copying "%s" to "%s"' % (src,dst))
    if not OPTIONS.dry_run:
        shutil.copy(src, dst)

def shell_rm(path):
    if not os.path.exists(path):
        return
    verbose('deleting %s' % path)
    if not OPTIONS.dry_run:
        os.unlink(path)

def shell_rmtree(path):
    if not os.path.isdir(path):
        return
    verbose('deleting %s' % path)
    if not OPTIONS.dry_run:
        shutil.rmtree(path)

def shell(cmd, raise_error=True):
    '''
    Execute command cmd in shell and return resulting subprocess.Popen object.
    If raise_error is True then a non-zero return terminates the application.
    '''
    if os.name == 'nt':
        # TODO: this is probably unnecessary, see:
        # http://groups.google.com/group/asciidoc/browse_frm/thread/9442ee0c419f1242
        # Windows doesn't like running scripts directly so explicitly
        # specify python interpreter.
        # Extract first (quoted or unquoted) argument.
        mo = re.match(r'^\s*"\s*(?P<arg0>[^"]+)\s*"', cmd)
        if not mo:
            mo = re.match(r'^\s*(?P<arg0>[^ ]+)', cmd)
        if mo.group('arg0').endswith('.py'):
            cmd = 'python ' + cmd
    # Remove redundant quoting -- this is not just costmetic, quoting seems to
    # dramatically decrease the allowed command length in Windows XP.
    cmd = re.sub(r'"([^ ]+?)"', r'\1', cmd)
    verbose('executing: %s' % cmd)
    if OPTIONS.dry_run:
        return
    if OPTIONS.verbose:
        stdout = stderr = None
    else:
        stdout = stderr = subprocess.PIPE
    try:
        popen = subprocess.Popen(cmd, stdout=stdout, stderr=stderr,
                shell=True, env=ENV)
    except OSError, e:
        die('failed: %s: %s' % (cmd, e))
    popen.wait()
    if popen.returncode != 0 and raise_error:
        die('%s returned non-zero exit status %d' % (cmd, popen.returncode))
#        raise subprocess.CalledProcessError(popen.returncode, cmd)
    return popen

def find_resources(files, tagname, attrname, filter=None):
    '''
    Search all files and return a list of local URIs from attrname attribute
    values in tagname tags.
    Handles HTML open and XHTML closed tags.
    Non-local URIs are skipped.
    files can be a file name or a list of file names.
    The filter function takes a dictionary of tag attributes and returns True if
    the URI is to be included.
    '''
    class FindResources(HTMLParser.HTMLParser):
        # Nested parser class shares locals with enclosing function.
        def handle_startendtag(self, tag, attrs):
            self.handle_starttag(tag, attrs)
        def handle_starttag(self, tag, attrs):
            attrs = dict(attrs)
            if tag == tagname and (filter is None or filter(attrs)):
                # Accept only local URIs.
                uri = urlparse.urlparse(attrs[attrname])
                if uri[0] in ('','file') and not uri[1] and uri[2]:
                    result.append(uri[2])
    if isinstance(files, str):
        files = [files]
    result = []
    for f in files:
        verbose('find resources in: %s' % f)
        if OPTIONS.dry_run:
            continue
        parser = FindResources()
        parser.feed(open(f).read())
        parser.close()
    result = list(set(result))   # Drop duplicate values.
    result.sort()
    return result

# Not used.
def copy_files(files, src_dir, dst_dir):
    '''
    Copy list of relative file names from src_dir to dst_dir.
    '''
    for f in files:
        f = os.path.normpath(f)
        if os.path.isabs(f):
            continue
        src = os.path.join(src_dir, f)
        dst = os.path.join(dst_dir, f)
        if not os.path.exists(dst):
            if not os.path.isfile(src):
                warning('missing file: %s' % src)
                continue
            dstdir = os.path.dirname(dst)
            shell_makedirs(dstdir)
            shell_copy(src, dst)

def find_files(path, pattern):
    '''
    Return list of file names matching pattern in directory path.
    '''
    result = []
    for (p,dirs,files) in os.walk(path):
        for f in files:
            if fnmatch.fnmatch(f, pattern):
                result.append(os.path.normpath(os.path.join(p,f)))
    return result

def exec_xsltproc(xsl_file, xml_file, dst_dir, opts = ''):
    cwd = os.getcwd()
    shell_cd(dst_dir)
    try:
        shell('"%s" %s "%s" "%s"' % (XSLTPROC, opts, xsl_file, xml_file))
    finally:
        shell_cd(cwd)


#####################################################################
# Application class
#####################################################################

class A2X(AttrDict):
    '''
    a2x options and conversion functions.
    '''

    def execute(self):
        '''
        Process a2x command.
        '''
        self.process_options()
        self.__getattribute__('to_'+self.format)()  # Execute to_* functions.
        if not (self.keep_artifacts or self.format == 'docbook' or self.skip_asciidoc):
            shell_rm(self.dst_path('.xml'))

    def load_conf(self):
        '''
        Load a2x configuration file from default locations and --conf-file
        option.
        '''
        global ASCIIDOC
        CONF_FILE = 'a2x.conf'
        conf_files = []
        # From global conf directory.
        conf_files.append(os.path.join(CONF_DIR, CONF_FILE))
        # From a2x.py directory.
        conf_files.append(os.path.join(
            os.path.dirname(os.path.realpath(__file__)), CONF_FILE))
        # From $HOME directory.
        home_dir = os.environ.get('HOME')
        if home_dir is not None:
            conf_files.append(os.path.join(home_dir, '.asciidoc', CONF_FILE))
        # From --conf-file option.
        if self.conf_file is not None:
            if not os.path.isfile(self.conf_file):
                die('missing configuration file: %s' % self.conf_file)
            conf_files.append(self.conf_file)
        # Load ordered files.
        for f in conf_files:
            if os.path.isfile(f):
                verbose('loading conf file: %s' % f)
                execfile(f, globals())
        # If asciidoc can't be found anywhere else look in the a2x directory.
        if not find_executable(ASCIIDOC):
            a2xdir = os.path.dirname(os.path.realpath(__file__))
            asciidoc = os.path.join(a2xdir, 'asciidoc.py')
            if os.path.isfile(asciidoc):
                ASCIIDOC = asciidoc

    def process_options(self):
        '''
        Validate and command options and set defaults.
        '''
        if not os.path.isfile(self.asciidoc_file):
            die('missing input FILE: %s' % self.asciidoc_file)
        self.asciidoc_file = os.path.abspath(self.asciidoc_file)
        if not self.destination_dir:
            self.destination_dir = os.path.dirname(self.asciidoc_file)
        else:
            if not os.path.isdir(self.destination_dir):
                die('missing --destination-dir: %s' % self.destination_dir)
            self.destination_dir = os.path.abspath(self.destination_dir)
        for d in self.resource_dirs:
            if not os.path.isdir(d):
                die('missing --resource-dir: %s' % d)
        if not self.doctype:
            if self.format == 'manpage':
                self.doctype = 'manpage'
            else:
                self.doctype = 'article'
        self.asciidoc_opts += ' --doctype %s' % self.doctype
        for attr in self.attributes:
            self.asciidoc_opts += ' --attribute "%s"' % attr
        self.xsltproc_opts += ' --nonet'
        if self.verbose:
            self.asciidoc_opts += ' --verbose'
            self.dblatex_opts += ' -V'
        if self.icons or self.icons_dir:
            params = [
                'callout.graphics 1',
                'navig.graphics 0',
                'admon.textlabel 0',
                'admon.graphics 1',
            ]
            if self.icons_dir:
                params += [
                    'admon.graphics.path "%s/"' % self.icons_dir,
                    'callout.graphics.path "%s/callouts/"' % self.icons_dir,
                    'navig.graphics.path "%s/"' % self.icons_dir,
                ]
        else:
            params = [
                'callout.graphics 0',
                'navig.graphics 0',
                'admon.textlabel 1',
                'admon.graphics 0',
            ]
        if self.stylesheet:
            params.append('html.stylesheet "%s"' % self.stylesheet)
        params = ['--stringparam %s' % o for o in params]
        self.xsltproc_opts += ' ' + ' '.join(params)
        if self.fop_opts:
            self.fop = True
        if os.path.splitext(self.asciidoc_file)[1].lower() == '.xml':
            self.skip_asciidoc = True
        else:
            self.skip_asciidoc = False

    def dst_path(self, ext):
        '''
        Return name of file or directory in the destination directory with
        the same name as the asciidoc source file but with extension ext.
        '''
        return os.path.join(self.destination_dir, self.basename(ext))

    def basename(self, ext):
        '''
        Return the base name of the asciidoc source file but with extension
        ext.
        '''
        return os.path.basename(os.path.splitext(self.asciidoc_file)[0]) + ext

    def asciidoc_conf_file(self, path):
        '''
        Return full path name of file in asciidoc configuration files directory.
        Search first the directory containing the asciidoc executable then
        the global configuration file directory.
        '''
        asciidoc = find_executable(ASCIIDOC)
        if not asciidoc:
            die('unable to find asciidoc: %s' % ASCIIDOC)
        f = os.path.join(os.path.dirname(asciidoc), path)
        if not os.path.isfile(f):
            f = os.path.join(CONF_DIR, path)
            if not os.path.isfile(f):
                die('missing configuration file: %s' % f)
        return os.path.normpath(f)

    def xsl_file(self, file_name=None):
        '''
        Return full path name of file in asciidoc docbook-xsl configuration
        directory.
        '''
        if not file_name:
            file_name = self.format + '.xsl'
        return self.asciidoc_conf_file(os.path.join('docbook-xsl', file_name))

    def copy_resources(self, html_files, src_dir, dst_dir, resources=[]):
        '''
        Search html_files for images and CSS resource URIs (html_files can be a
        list of file names or a single file name).
        If the URIs are relative then copy them from the src_dir to the
        dst_dir.
        If not found in src_dir then recursively search all specified
        --resource-dir's for the file name.
        Optional additional resources URIs can be passed in the resources list.
        Does not copy absolute URIs.
        '''
        resources = resources[:]
        resources += find_resources(html_files, 'link', 'href',
                        lambda attrs: attrs.get('type') == 'text/css')
        resources += find_resources(html_files, 'img', 'src')
        resources = list(set(resources))    # Drop duplicates.
        resources.sort()
        for f in resources:
            f = os.path.normpath(f)
            if os.path.isabs(f):
                if not os.path.isfile(f):
                    warning('missing resource: %s' % f)
                continue
            src = os.path.join(src_dir, f)
            dst = os.path.join(dst_dir, f)
            if not os.path.isfile(src):
                for d in self.resource_dirs:
                    src = find_files(d, os.path.basename(f))
                    if src:
                        src = src[0]
                        break
                else:
                    if not os.path.isfile(dst):
                        warning('missing resource: %s' % f)
                    continue    # Continues outer for loop.
            # Arrive here if relative resource file has been found.
            if os.path.normpath(src) != os.path.normpath(dst):
                dstdir = os.path.dirname(dst)
                shell_makedirs(dstdir)
                shell_copy(src, dst)

    def to_docbook(self):
        '''
        Use asciidoc to convert asciidoc_file to DocBook.
        args is a string containing additional asciidoc arguments.
        '''
        docbook_file = self.dst_path('.xml')
        if self.skip_asciidoc:
            if not os.path.isfile(docbook_file):
                die('missing docbook file: %s' % docbook_file)
            return
        shell('"%s" --backend docbook %s --out-file "%s" "%s"' %
             (ASCIIDOC, self.asciidoc_opts, docbook_file, self.asciidoc_file))
        if not self.no_xmllint and XMLLINT:
            shell('"%s" --nonet --noout --valid "%s"' % (XMLLINT, docbook_file))

    def to_xhtml(self):
        self.to_docbook()
        docbook_file = self.dst_path('.xml')
        xhtml_file = self.dst_path('.html')
        opts = '%s --output "%s"' % (self.xsltproc_opts, xhtml_file)
        exec_xsltproc(self.xsl_file(), docbook_file, self.destination_dir, opts)
        src_dir = os.path.dirname(self.asciidoc_file)
        self.copy_resources(xhtml_file, src_dir, self.destination_dir)

    def to_manpage(self):
        self.to_docbook()
        docbook_file = self.dst_path('.xml')
        opts = self.xsltproc_opts
        exec_xsltproc(self.xsl_file(), docbook_file, self.destination_dir, opts)

    def to_pdf(self):
        if self.fop:
            self.exec_fop()
        else:
            self.exec_dblatex()

    def exec_fop(self):
        self.to_docbook()
        docbook_file = self.dst_path('.xml')
        xsl = self.xsl_file('fo.xsl')
        fo = self.dst_path('.fo')
        pdf = self.dst_path('.pdf')
        opts = '%s --output "%s"' % (self.xsltproc_opts, fo)
        exec_xsltproc(xsl, docbook_file, self.destination_dir, opts)
        shell('"%s" %s -fo "%s" -pdf "%s"' % (FOP, self.fop_opts, fo, pdf))
        if not self.keep_artifacts:
            shell_rm(fo)

    def exec_dblatex(self):
        self.to_docbook()
        docbook_file = self.dst_path('.xml')
        xsl = self.asciidoc_conf_file(os.path.join('dblatex','asciidoc-dblatex.xsl'))
        sty = self.asciidoc_conf_file(os.path.join('dblatex','asciidoc-dblatex.sty'))
        shell('"%s" %s -t %s -p "%s" -s "%s" "%s"' %
             (DBLATEX, self.dblatex_opts, self.format, xsl, sty, docbook_file))

    def to_dvi(self):
        self.exec_dblatex()

    def to_ps(self):
        self.exec_dblatex()

    def to_tex(self):
        self.exec_dblatex()

    def to_htmlhelp(self):
        self.to_chunked()

    def to_chunked(self):
        self.to_docbook()
        docbook_file = self.dst_path('.xml')
        opts = self.xsltproc_opts
        xsl_file = self.xsl_file()
        if self.format == 'chunked':
            dst_dir = self.dst_path('.chunked')
        elif self.format == 'htmlhelp':
            dst_dir = self.dst_path('.htmlhelp')
            opts += ' --stringparam htmlhelp.chm "%s"' % self.basename('.chm')
            opts += ' --stringparam htmlhelp.hhc "%s"' % self.basename('.hhc')
            opts += ' --stringparam htmlhelp.hhp "%s"' % self.basename('.hhp')
        opts += ' --stringparam base.dir "%s/"' % os.path.basename(dst_dir)
        # Create content.
        shell_rmtree(dst_dir)
        shell_makedirs(dst_dir)
        exec_xsltproc(xsl_file, docbook_file, self.destination_dir, opts)
        html_files = find_files(dst_dir, '*.html')
        src_dir = os.path.dirname(self.asciidoc_file)
        self.copy_resources(html_files, src_dir, dst_dir)

    def to_epub(self):
        self.to_docbook()
        xsl_file = self.xsl_file()
        docbook_file = self.dst_path('.xml')
        epub_file = self.dst_path('.epub')
        build_dir = epub_file + '.d'
        shell_rmtree(build_dir)
        shell_makedirs(build_dir)
        # Create content.
        exec_xsltproc(xsl_file, docbook_file, build_dir, self.xsltproc_opts)
        # Copy OPF file resources.
        src_dir = os.path.dirname(self.asciidoc_file)
        dst_dir = os.path.join(build_dir, 'OEBPS')
        # Get the resources from OPF instead of HTML content to get round this
        # bug: https://sourceforge.net/tracker/?func=detail&aid=2854080&group_id=21935&atid=373747
        opf = os.path.join(dst_dir, 'content.opf')
        resources = find_resources(opf, 'item', 'href')
#        html_files = find_files(dst_dir, '*.html')
#        self.copy_resources(html_files, src_dir, dst_dir)
        self.copy_resources([], src_dir, dst_dir, resources)
        # Build epub archive.
        cwd = os.getcwd()
        shell_cd(build_dir)
        try:
            if not self.dry_run:
                zip = zipfile.ZipFile(epub_file, 'w')
                try:
                    # Create and add uncompressed mimetype file.
                    verbose('archiving: mimetype')
                    open('mimetype','w').write('application/epub+zip')
                    zip.write('mimetype', compress_type=zipfile.ZIP_STORED)
                    # Compress all remaining files.
                    for (p,dirs,files) in os.walk('.'):
                        for f in files:
                            f = os.path.normpath(os.path.join(p,f))
                            if f != 'mimetype':
                                verbose('archiving: %s' % f)
                                zip.write(f, compress_type=zipfile.ZIP_DEFLATED)
                finally:
                    zip.close()
            verbose('created archive: %s' % epub_file)
        finally:
            shell_cd(cwd)
        if not self.keep_artifacts:
            shell_rmtree(build_dir)
        if self.epubcheck and EPUBCHECK:
            shell('"%s" "%s"' % (EPUBCHECK, epub_file))

    def to_text(self):
        text_file = self.dst_path('.text')
        html_file = self.dst_path('.text.html')
        if self.lynx:
            shell('"%s" %s --conf-file "%s" -b html4 -o "%s" "%s"' %
                 (ASCIIDOC, self.asciidoc_opts, self.asciidoc_conf_file('text.conf'),
                  html_file, self.asciidoc_file))
            shell('"%s" -dump "%s" > "%s"' %
                 (LYNX, html_file, text_file))
        else:
            # Use w3m(1).
            self.to_docbook()
            docbook_file = self.dst_path('.xml')
            xhtml_file = self.dst_path('.html')
            opts = '%s --output "%s"' % (self.xsltproc_opts, html_file)
            exec_xsltproc(self.xsl_file(), docbook_file,
                    self.destination_dir, opts)
            shell('"%s" -cols 70 -dump -T text/html -no-graph "%s" > "%s"' %
                 (W3M, html_file, text_file))
        if not self.keep_artifacts:
            shell_rm(html_file)


#####################################################################
# Script main line.
#####################################################################

if __name__ == '__main__':
    description = '''A toolchain manager for AsciiDoc (converts Asciidoc text files to other file formats)'''
    from optparse import OptionParser
    parser = OptionParser(usage='usage: %prog [OPTIONS] FILE',
        version='%s %s' % (PROG,VERSION),
        description=description)
    parser.add_option('-a', '--attribute',
        action='append', dest='attributes', default=[], metavar='ATTRIBUTE',
        help='set asciidoc attribute value')
    parser.add_option('--asciidoc-opts',
        action='store', dest='asciidoc_opts', default='',
        metavar='ASCIIDOC_OPTS', help='asciidoc options')
    #DEPRECATED
    parser.add_option('--copy',
        action='store_true', dest='copy', default=False,
        help='DEPRECATED: does nothing')
    parser.add_option('--conf-file',
        dest='conf_file', default=None, metavar='CONF_FILE',
        help='configuration file')
    parser.add_option('-D', '--destination-dir',
        action='store', dest='destination_dir', default=None, metavar='PATH',
        help=' output directory (defaults to FILE directory)')
    parser.add_option('-d','--doctype',
        action='store', dest='doctype', metavar='DOCTYPE',
        choices=('article','manpage','book'),
        help='article, manpage, book')
    parser.add_option('--epubcheck',
        action='store_true', dest='epubcheck', default=False,
        help='check EPUB output with epubcheck')
    parser.add_option('-f','--format',
        action='store', dest='format', metavar='FORMAT', default = 'pdf',
        choices=('chunked','epub','htmlhelp','manpage','pdf', 'text',
                 'xhtml','dvi','ps','tex','docbook'),
        help='chunked, epub, htmlhelp, manpage, pdf, text, xhtml, dvi, ps, tex, docbook')
    parser.add_option('--icons',
        action='store_true', dest='icons', default=False,
        help='use admonition, callout and navigation icons')
    parser.add_option('--icons-dir',
        action='store', dest='icons_dir',
        default=None, metavar='PATH',
        help='admonition and navigation icon directory')
    parser.add_option('-k', '--keep-artifacts',
        action='store_true', dest='keep_artifacts', default=False,
        help='do not delete temporary build files')
    parser.add_option('--lynx',
        action='store_true', dest='lynx', default=False,
        help='use lynx to generate text files')
    parser.add_option('-L', '--no-xmllint',
        action='store_true', dest='no_xmllint', default=False,
        help='do not check asciidoc output with xmllint')
    parser.add_option('-n','--dry-run',
        action='store_true', dest='dry_run', default=False,
        help='just print the commands that would have been executed')
    parser.add_option('-r','--resource-dir',
        action='append', dest='resource_dirs', default=[],
        metavar='PATH',
        help='directory containing images and stylesheets')
    #DEPRECATED
    parser.add_option('-s','--skip-asciidoc',
        action='store_true', dest='skip_asciidoc', default=False,
        help='DEPRECATED: redundant')
    parser.add_option('--stylesheet',
        action='store', dest='stylesheet', default=None,
        metavar='STYLESHEET',
        help='target HTML CSS stylesheet file name')
    #DEPRECATED
    parser.add_option('--safe',
        action='store_true', dest='safe', default=False,
        help='DEPRECATED: does nothing')
    parser.add_option('--dblatex-opts',
        action='store', dest='dblatex_opts', default='',
        metavar='DBLATEX_OPTS', help='dblatex options')
    parser.add_option('--fop',
        action='store_true', dest='fop', default=False,
        help='use FOP to generate PDF files')
    parser.add_option('--fop-opts',
        action='store', dest='fop_opts', default='',
        metavar='FOP_OPTS', help='options for FOP pdf generation')
    parser.add_option('--xsltproc-opts',
        action='store', dest='xsltproc_opts', default='',
        metavar='XSLTPROC_OPTS', help='options for FOP pdf generation')
    parser.add_option('-v', '--verbose',
        action='count', dest='verbose', default=0,
        help='increase verbosity')
    if len(sys.argv) == 1:
        parser.parse_args(['--help'])
    opts, args = parser.parse_args()
    if len(args) != 1:
        parser.error('incorrect number of arguments')
    opts = eval(str(opts))  # Convert optparse.Values to dict.
    a2x = A2X(opts)
    OPTIONS = a2x           # verbose and dry_run used by utility functions.
    a2x.asciidoc_file = args[0]
    try:
        a2x.load_conf()
        a2x.execute()
    except KeyboardInterrupt:
        exit(1)
Tip: Filter by directory path e.g. /media app.js to search for public/media/app.js.
Tip: Use camelCasing e.g. ProjME to search for ProjectModifiedEvent.java.
Tip: Filter by extension type e.g. /repo .js to search for all .js files in the /repo directory.
Tip: Separate your search with spaces e.g. /ssh pom.xml to search for src/ssh/pom.xml.
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