def read_source(self, config):
self.eva = None
try:
with open(self.file.abs_src_path,
"r",
encoding="utf-8-sig",
errors="strict") as f:
source = f.read()
except OSError:
log.error(f"File not found: {self.file.src_path}")
raise
except ValueError:
log.error(f"Encoding error reading file: {self.file.src_path}")
raise
m = YAML_RE.match(source)
if m:
try:
data = yaml.load(m.group(1), SafeLoader)
if not isinstance(data, dict):
data = {}
except Exception as exc:
raise BuildError(f"Page's YAML metadata is malformed: {exc}")
try:
self.eva = config["meta_model_class"](**data)
except ValidationError as exc:
raise PluginError(
f"Deserializing {self} page's meta failed with the following errors: {exc}"
)
self.markdown = source
self.title = self.eva.title
def on_page_markdown(self, markdown, **kwargs):
if self.error_on == 'page_markdown':
raise BuildError('page markdown error')
return markdown
def on_pre_page(self, page, **kwargs):
if self.error_on == 'pre_page':
raise BuildError('pre page error')
return page