def save_source(self, source, name):
logger.notice('saving the source {0} in the directory {1}'.format(
name, self.source_dir))
filename = os.path.join(self.source_dir, name)
with open(filename, 'w') as fp:
fp.write(source.full_text)
self.update_projects_file()
def save_template(self, template, name):
logger.notice('saving the template {0} in the directory {1}'.format(
name, self.template_dir))
filename = os.path.join(self.template_dir, name)
with open(filename, 'w') as fp:
fp.write(template.text)
self.update_projects_file()
def render(self):
logger.notice('starting the rendering process')
self.read_config()
template_language = self.config.get('general', 'template language')
TemplateClass = get_template_class_by_template_language(
template_language)
for source_name, source in self.sources:
sha256_source = hashlib.sha256(source.full_text).hexdigest()
template_path = os.path.join(
self.template_dir, source.template_path)
sha256_template = hash_file(template_path)
head, tail = os.path.split(source_name)
filename = os.path.splitext(tail)[0]
output_path = os.path.join(self.output_dir, filename) + '.html'
if source_name in self.rendered_sources:
# source ehas already been rendered once -> this is a necessary
# but not sufficient requirement to skip rendering for
# this source
if self.rendered_sources.get(output_path) == sha256_source:
# source file has not chnaged -> may require rendering if
# the configuration file or the source's template has been
# changed
# compare the new calculated template's hash with the old
# one, if it exists. otherwise, rendering will be
# necessary
source_hash = self.rendered_templates.get(template_path)
if source_hash == sha256_template:
# check if the config file has been changed since the
# last rendering
config_hash = hash_file(self.config_filename)
if config_hash == self.config_hash:
# skip the rendering process, because neither the
# source nor its template file nor the config file
# have been changed
continue
# pass the config settings of the template language being used
# if there are settings for it in the config file
if TemplateClass == GenshiTemplate:
options = dict(self.config.items('genshi'))
elif TemplateClass == Jinja2Template:
options = dict(self.config.items('jinja'))
else:
options = {}
output = source.render(TemplateClass, **options)
logger.info('{0} + {1} -> {2}'.format(
source_name, source.template_path, output_path))
# update the hashes after having rendered the sources
self.rendered_sources[output_path] = sha256_source
self.rendered_templates[template_path] = sha256_template
self.config_hash = hash_file(self.config_filename)
yield output_path, output
logger.notice('finishing the rendering process')
self.update_projects_file()
def reset_config(self):
logger.notice(
'resetting the configuration file {0}'.format(
self.config_filename))
# check if thee is a global config in CONFIGDIR
if os.path.exists(GLOBAL_CONFIGFILE):
shutil.copyfile(GLOBAL_CONFIGFILE, self.config_filename)
return None
for section, config_items in DEFAULT_SETTINGS.iteritems():
if not self.config.has_section(section):
logger.info('add the section {0}'.format(section))
self.config.add_section(section)
for option, value in config_items:
logger.info(
'section {0}: setting the option {1} '
'to the value {2}'.format(section, option, value))
self.config.set(section, option, value)
with open(self.config_filename, 'w') as fp:
self.config.write(fp)
self.update_projects_file()
def update_projects_file(self, new_created=False):
# create the directories where the projects file will be saved if they
# do not exist yet
path, file = os.path.split(self.projects_file_name)
if not os.path.exists(path):
logger.notice('creating the directory {0}'.format(path))
os.makedirs(path)
now = datetime.now()
if new_created:
logger.notice(
'creating the projects file {0}'.format(
self.projects_file_name))
self.created = now
self.last_modified = now
with contextlib.closing(shelve.open(self.projects_file_name)) as p:
logger.notice(
'updating the projects file {0}'.format(
self.projects_file_name))
p[self.project_dir] = self
self.updated_projects_file = True
def read_config(self):
logger.notice(
'reading the configuration file {0}'.format(self.config_filename))
with open(self.config_filename) as fp:
self.config.readfp(fp)
def make_project_directories(self):
logger.notice('creating project directories')
for path_name in (self.source_dir, self.template_dir, self.output_dir):
logger.info('creating the directory {0}'.format(path_name))
os.makedirs(path_name)
