def serve(self):
self.src = Directory(self.opts['src'])
base_url = absurl(self.opts['base_url'], '')
if not self.src.exists:
raise OptionException('Source must exist.')
logger.info('>> Serving at 127.0.0.1:%s', self.opts['port'])
logger.info('Press ctrl+c to stop.')
cwd = getcwd()
self.server = Server(('', self.opts['port']), base_url, RequestHandler)
chdir(self.src.path)
try:
self.server.serve_forever()
self.watch()
except KeyboardInterrupt:
self.server.shutdown()
chdir(cwd)
print('')
class Fjord(object):
defaults = {
'archive_layout': None,
'archives_url': '/',
'assets_url': '/assets/',
'base_url': '/',
'date_format': '%A, %B %d, %Y',
'domain': None,
'include': [],
'locale': None,
'markup': 'markdown',
'parser': 'misaka',
'posts_url': '/<year>/<month>/<day>/<title>/',
'pygmentize': True,
'renderer': 'jinja',
'tag_layout': None,
'tags_url': '/',
'version': __version__
}
_parser = None
_renderer = None
archives = OrderedDict()
config = {}
pages = []
posts = []
drafts = []
ignores = []
tags = OrderedDict()
def __init__(self, args = None):
self._start = time()
self.opts = self._get_opts(args)
logger.setLevel(getattr(logging, self.opts['level'], logging.INFO))
self.opts['func']()
def _archive(self, posts):
archives = OrderedDict()
for post in posts:
year, month = datetime.utcfromtimestamp(post['timestamp']).strftime('%Y %B').decode('utf-8').split()
if year not in archives:
archives[year] = {
'months': OrderedDict({month: [post]}),
'url': self._get_archive_url(year),
'year': year
}
elif month not in archives[year]['months']:
archives[year]['months'][month] = [post]
else:
archives[year]['months'][month].append(post)
return archives
def _get_archive_url(self, year):
format = self._get_url_format(self.config['archives_url'].endswith('/'))
return format.format(self.config['archives_url'], year)
def _get_opts(self, args):
opts = {}
parser = ArgumentParser(description = 'A static blog generator.')
sub = parser.add_subparsers()
level = parser.add_mutually_exclusive_group()
level.add_argument('-l', '--level', default = b'INFO', type = str.upper, choices = [b'DEBUG', b'INFO', b'WARNING', b'ERROR'], help = 'Sets %(prog)s\'s log level.')
level.add_argument('-q', '--quiet', action = 'store_const', const = 'ERROR', dest = 'level', help = 'Sets %(prog)s\'s log level to ERROR.')
level.add_argument('-v', '--verbose', action = 'store_const', const = 'DEBUG', dest = 'level', help = 'Sets %(prog)s\'s log level to DEBUG.')
parser.add_argument('-V', '--version', action = 'version', version = '%(prog)s v{0}'.format(__version__), help = 'Prints %(prog)s\'s version and exits.')
gen = sub.add_parser('gen')
gen.add_argument('src', nargs = '?', default = '.', metavar = 'source', help = 'The directory %(prog)s looks in for source files.')
gen.add_argument('dest', metavar = 'destination', help = 'The directory %(prog)s outputs to.')
gen.add_argument('--base-url', help = 'Sets the site\'s base URL overriding the config setting.')
gen.add_argument('--locale', help = 'Sets the locale used by the renderer.')
force = gen.add_mutually_exclusive_group()
force.add_argument('-c', '--clean', action = 'store_true', help = 'Forces generation by deleting the destination if it exists.')
force.add_argument('-f', '--force', action = 'store_true', help = 'Forces generation by emptying the destination if it exists.')
gen.set_defaults(func = self.generate)
init = sub.add_parser('init')
init.add_argument('dest', metavar = 'destination', help = 'The directory %(prog)s outputs to.')
init.add_argument('--bare', action = 'store_true', help = 'Initializes a new site without using a theme.')
init.add_argument('-f', '--force', action = 'store_true', help = 'Forces initialization by deleting the destination if it exists.')
init.add_argument('-t', '--theme', default = 'dark', help = 'Sets which theme will be used.')
init.set_defaults(func = self.init)
serve = sub.add_parser('serve')
serve.add_argument('src', nargs = '?', default = '.', metavar = 'source', help = 'The directory %(prog)s will serve.')
serve.add_argument('--base-url', default = '/', help = 'Sets the site\'s base URL overriding the config setting.')
serve.add_argument('-p', '--port', default = 8080, type = int, help = 'Sets the port used by the server.')
serve.set_defaults(func = self.serve)
watch = sub.add_parser('watch')
watch.add_argument('src', nargs = '?', default = '.', metavar = 'source', help = 'The directory %(prog)s looks in for source files.')
watch.add_argument('dest', metavar = 'destination', help = 'The directory %(prog)s outputs to.')
watch.add_argument('--base-url', help = 'Sets the site\'s base URL overriding the config setting.')
watch.add_argument('-f', '--force', action = 'store_true', help = 'Forces watching by emptying the destination every time a change is made if it exists.')
watch.add_argument('--locale', help = 'Sets the locale used by the renderer.')
watch.set_defaults(func = self.watch)
for option, value in vars(parser.parse_args(args)).iteritems():
if value is not None:
if isinstance(option, str):
option = option.decode('utf-8')
if isinstance(value, str):
value = value.decode('utf-8')
opts[option] = value
return opts
def _get_parser(self):
try:
return load_entry_point('fjord', 'fjord.parsers.{0}'.format(self.config['markup']), self.config['parser'])
except ImportError:
return __import__('fjord.parsers.{0}.{1}'.format(self.config['markup'], self.config['parser']), globals(), locals(), ['Parser'], -1).Parser
def _get_path(self, url):
parts = [self.dest.path] + url.split('/')
if url.endswith('/'):
parts.append('index.html')
return normpath(*parts)
def _get_post_url(self, date, slug):
subs = {
'<year>': '%Y',
'<month>': '%m',
'<day>': '%d',
'<i_month>': unicode(date.month),
'<i_day>': unicode(date.day),
'<title>': self._slugify(slug)
}
url = self.config['posts_url'].replace('%', '%%')
for match, replace in subs.iteritems():
url = url.replace(match, replace)
return date.strftime(url).decode('utf-8')
def _get_renderer(self):
try:
return load_entry_point('fjord', 'fjord.renderers', self.config['renderer'])
except ImportError:
return __import__('fjord.renderers.{0}'.format(self.config['renderer']), globals(), locals(), ['Renderer'], -1).Renderer
def _get_tag_url(self, name):
format = self._get_url_format(self.config['tags_url'].endswith('/'))
return format.format(self.config['tags_url'], self._slugify(name))
def _get_theme(self, theme):
return resource_filename(__name__, 'themes/{0}'.format(theme))
def _get_url_format(self, clean):
return '{0}{1}/' if clean else '{0}/{1}.html'
def _highlight(self, match):
language, code = match.groups()
formatter = HtmlFormatter(linenos=True)
code = h.unescape_html(code.encode('utf-8')).decode('utf-8')
try:
code = highlight(code, get_lexer_by_name(language), formatter)
except ClassNotFound:
code = highlight(code, get_lexer_by_name('text'), formatter)
return '<div class="code"><div>{0}</div></div>'.format(code)
def _pygmentize(self, html):
if not self.config['pygmentize']:
return html
return re.sub(r'<pre><code[^>]+data-lang="([^>]+)"[^>]*>(.+?)</code></pre>', self._highlight, html, flags = re.S)
def _slugify(self, text):
slug = re.sub(r'\s+', '-', text.strip())
slug = re.sub(r'[^a-z0-9\-_.]', '', slug, flags = re.I)
if slug == '..':
raise PageException('Invalid slug.')
return slug
def _update_config(self):
self.config = deepcopy(self.defaults)
logger.debug('>> Searching for config')
for ext in ('.yml', '.yaml'):
f = File(normpath(self.src.path, 'config' + ext))
if f.exists:
logger.debug('.. found: %s', f.path)
try:
self.config.update(Config(f.content))
except ConfigException as e:
raise ConfigException(e.message, 'src: {0}'.format(f.path))
self.config['locale'] = self.opts.get('locale', self.config['locale'])
self.config['assets_url'] = absurl(self.config['assets_url'], '')
self.config['base_url'] = absurl(self.opts.get('base_url', self.config['base_url']), '')
for setting in ('archives_url', 'posts_url', 'tags_url'):
self.config[setting] = absurl(self.config[setting])
for setting in ('archives_url', 'assets_url', 'base_url', 'posts_url', 'tags_url'):
if re.search(r'(?:^\.{2}/|/\.{2}$|/\.{2}/)', self.config[setting]):
raise ConfigException('Invalid config setting.', 'setting: {0}'.format(setting), 'path traversal is not allowed')
for pattern in self.config['include']:
if op.commonprefix((self.src.path, normpath(self.src.path, pattern))) != self.src.path:
raise ConfigException('Invalid include path.', 'path: {0}'.format(pattern), 'path traversal is not allowed')
break
else:
logger.debug('.. no config file found')
def _parse(self):
logger.info('>> Parsing')
path = Directory(normpath(self.src.path, '_posts'))
logger.debug('.. src: %s', path)
for i, f in enumerate(path):
post = Post(f)
content = self.parser.parse(self.renderer.from_string(post.bodymatter, post.frontmatter))
excerpt = re.search(r'\A.*?(?:<p>(.+?)</p>)?', content, re.M | re.S).group(1)
try:
data = {
'content': content,
'date': post.date.strftime(self.config['date_format']).decode('utf-8'),
'excerpt': excerpt,
'tags': [],
'timestamp': timegm(post.date.utctimetuple()),
'url': self._get_post_url(post.date, post.slug),
'prev': False,
'next': False
}
except PageException:
raise PageException('Invalid post slug.', 'src: {0}'.format(post.path))
data.update(post.frontmatter)
if len(data['tags']) == 0:
data['tags'].append('_untagged')
else:
data['tags'].sort()
data['tags'] = [tag.title() for tag in data['tags']]
data['title'] = str(data['title'])
if post.draft:
data['url'] = '/drafts/' + self._slugify(post.slug)
self.drafts.append(data)
else:
self.posts.append(data)
for tag in data['tags']:
if tag not in self.tags:
self.tags[tag] = []
self.tags[tag].append(data)
self.posts.sort(key = lambda post: post['timestamp'], reverse = True)
for post in self.posts:
if self.posts.index(post) != len(self.posts) - 1:
prev = self.posts[self.posts.index(post) + 1]
post['prev'] = {'title': prev['title'], 'url': prev['url']}
if self.posts.index(post) != 0:
next = self.posts[self.posts.index(post) - 1]
post['next'] = {'title': next['title'], 'url': next['url']}
def _process(self):
self._parse()
logger.info('>> Processing')
if self.posts:
logger.debug('.. ordering posts')
self.posts.sort(key = lambda post: post['timestamp'], reverse = True)
logger.debug('.. generating archives')
self.archives = self._archive(self.posts)
logger.debug('.. sorting tags')
tags = []
for name, posts in self.tags:
posts.sort(key = lambda post: post['timestamp'], reverse = True)
try:
tags.append({
'archives': self._archive(posts),
'count': len(posts),
'name': name,
'posts': posts,
'url': self._get_tag_url(name)
})
except PageException:
message = ['tag: {0}'.format(name)]
for post in posts:
message.append('post: {0}'.format(post.get('title', post['url'])))
raise PageException('Invalid tag slug.', *message)
tags.sort(key = lambda tag: tag['name'].lower())
self.tags.clear()
for tag in tags:
self.tags[tag['name']] = tag
else:
logger.debug('.. no posts found')
def _render(self):
self._process()
logger.info('>> Rendering')
self.renderer.register({
'archives': self.archives,
'posts': self.posts,
'tags': self.tags
})
logger.debug('.. posts')
for post in self.posts:
try:
self.pages.append(Page(
self._get_path(post['url']),
self._pygmentize(self.renderer.render(post['layout'], {'post': post}))
))
except RendererException as e:
raise RendererException(e.message, '{0} in post \'{1}\''.format(post['layout'], post['title']))
logger.debug('.. drafts')
for draft in self.drafts:
try:
self.pages.append(Page(
self._get_path(draft['url']),
self._pygmentize(self.renderer.render(post['layout'], {'post': post}))
))
except RendererException as e:
raise RendererException(e.message, '{0} in draft\'{1}\''.format(draft['layout'], draft['title']))
logger.debug('.. pages')
for f in self.src:
if f.extension not in ('.html', '.htm', '.xml'):
continue
template = f.path.replace(self.src.path, '')
self.pages.append(Page(
normpath(self.dest.path, template),
self._pygmentize(self.renderer.render(template))
))
if self.config['tag_layout'] and self.tags:
logger.debug('.. tags')
for name, data in self.tags:
self.pages.append(Page(
self._get_path(data['url']),
self._pygmentize(self.renderer.render(self.config['tag_layout'], {'tag': data}))
))
if self.config['archive_layout'] and self.archives:
logger.debug('.. archives')
for year, data in self.archives:
self.pages.append(Page(
self._get_path(data['url']),
self._pygmentize(self.renderer.render(self.config['archive_layout'], {'archive': data}))
))
def _generate(self):
logger.debug('>> Initializing\n.. src: %s\n.. dest: %s', self.src.path, self.dest.path)
self._update_config()
if self.config['locale']:
try:
locale.setlocale(locale.LC_ALL, (self.config['locale'], 'utf-8'))
except locale.Error:
raise ConfigException('Locale not available.', 'run `locale -a` to see available locales')
self.renderer.register({'site': self.config})
self._render()
logger.info('>> Generating')
assets_src = Directory(normpath(self.src.path, '_assets'))
assets_dest = Directory(normpath(self.dest.path, *self.config['assets_url'].split('/')))
if self.dest.exists:
if self.opts['force']:
self.dest.empty()
else:
self.dest.rm()
else:
self.dest.mk()
for page in self.pages:
page.mk()
assets_src.cp(assets_dest.path)
for pattern in self.config['include']:
for path in iglob(normpath(self.src.path, pattern)):
dest = path.replace(self.src.path, self.dest.path)
if op.isdir(path):
Directory(path).cp(dest, False)
elif op.isfile(path):
File(path).cp(dest)
logger.info('Completed in %.3fs', time() - self._start)
def _regenerate(self):
self._parser = None
self._renderer = None
self._start = time()
self.archives = OrderedDict()
self.config = {}
self.pages = []
self.posts = []
self.tags = OrderedDict()
self._generate()
logger.info('Regenerated in %.3fs', time() - self._start)
def generate(self):
self.src = Directory(self.opts['src'])
self.dest = Directory(self.opts['dest'])
if not self.src.exists:
raise OptionException('Source must exist.')
elif self.src == self.dest:
raise OptionException('Source and destination must differ.')
elif self.dest.exists and not (self.opts['force'] or self.opts['clean']):
raise OptionException('Destination already exists.', 'the -c or -f flag must be passed to force generation by deleting or emptying the destination')
self._generate()
def init(self):
self.src = Directory(self._get_theme(self.opts['theme']))
self.dest = Directory(self.opts['dest'])
if not self.src.exists:
raise OptionException('Theme not found.')
elif self.dest.exists and not self.opts['force']:
raise OptionException('Destination already exists.', 'the -f flag must be passed to force initialization by deleting the destination')
logger.info('>> Initializing')
if self.opts['bare']:
self.dest.rm()
for d in ('_assets/css', '_assets/images', '_assets/js', '_templates', '_posts'):
Directory(normpath(self.dest.path, d)).mk()
File(normpath(self.dest.path, 'config.yml')).mk()
else:
self.src.cp(self.dest.path, False)
logger.info('Completed in %.3fs', time() - self._start)
def serve(self):
self.src = Directory(self.opts['src'])
base_url = absurl(self.opts['base_url'], '')
if not self.src.exists:
raise OptionException('Source must exist.')
logger.info('>> Serving at 127.0.0.1:%s', self.opts['port'])
logger.info('Press ctrl+c to stop.')
cwd = getcwd()
self.server = Server(('', self.opts['port']), base_url, RequestHandler)
chdir(self.src.path)
try:
self.server.serve_forever()
self.watch()
except KeyboardInterrupt:
self.server.shutdown()
chdir(cwd)
print('')
def watch(self):
self.src = Directory(self.opts['src'])
self.dest = Directory(self.opts['dest'])
if not self.src.exists:
raise OptionException('Source must exist.')
elif self.src == self.dest:
raise OptionException('Source and destination must differ.')
elif self.dest.exists and not self.opts['force']:
raise OptionException('Destination already exists.', 'the -f flag must be passed to force watching by emptying the destination every time a change is made')
logger.info('>> Watching')
logger.info('Press ctrl+c to stop.')
self.observer = Observer()
self.observer.schedule(EventHandler(self.src.path, self._regenerate), self.src.path, True)
self.observer.start()
try:
while True:
sleep(1)
except KeyboardInterrupt:
self.observer.stop()
print('')
self.observer.join()
@property
def parser(self):
if self._parser is None:
self._parser = self._get_parser()(self.config.get(self.config['parser'], {}))
return self._parser
@property
def renderer(self):
if self._renderer is None:
self._renderer = self._get_renderer()(self.src.path, self.config.get(self.config['renderer'], {}))
return self._renderer