diff options
Diffstat (limited to 'synapse/config/_base.py')
| -rw-r--r-- | synapse/config/_base.py | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/synapse/config/_base.py b/synapse/config/_base.py index d6ec618f..2cc24278 100644 --- a/synapse/config/_base.py +++ b/synapse/config/_base.py @@ -237,13 +237,14 @@ class Config: def read_templates( self, filenames: List[str], - custom_template_directory: Optional[str] = None, + custom_template_directories: Optional[Iterable[str]] = None, ) -> List[jinja2.Template]: """Load a list of template files from disk using the given variables. This function will attempt to load the given templates from the default Synapse - template directory. If `custom_template_directory` is supplied, that directory - is tried first. + template directory. If `custom_template_directories` is supplied, any directory + in this list is tried (in the order they appear in the list) before trying + Synapse's default directory. Files read are treated as Jinja templates. The templates are not rendered yet and have autoescape enabled. @@ -251,8 +252,8 @@ class Config: Args: filenames: A list of template filenames to read. - custom_template_directory: A directory to try to look for the templates - before using the default Synapse template directory instead. + custom_template_directories: A list of directory to try to look for the + templates before using the default Synapse template directory instead. Raises: ConfigError: if the file's path is incorrect or otherwise cannot be read. @@ -260,20 +261,26 @@ class Config: Returns: A list of jinja2 templates. """ - search_directories = [self.default_template_dir] - - # The loader will first look in the custom template directory (if specified) for the - # given filename. If it doesn't find it, it will use the default template dir instead - if custom_template_directory: - # Check that the given template directory exists - if not self.path_exists(custom_template_directory): - raise ConfigError( - "Configured template directory does not exist: %s" - % (custom_template_directory,) - ) + search_directories = [] + + # The loader will first look in the custom template directories (if specified) + # for the given filename. If it doesn't find it, it will use the default + # template dir instead. + if custom_template_directories is not None: + for custom_template_directory in custom_template_directories: + # Check that the given template directory exists + if not self.path_exists(custom_template_directory): + raise ConfigError( + "Configured template directory does not exist: %s" + % (custom_template_directory,) + ) + + # Search the custom template directory as well + search_directories.append(custom_template_directory) - # Search the custom template directory as well - search_directories.insert(0, custom_template_directory) + # Append the default directory at the end of the list so Jinja can fallback on it + # if a template is missing from any custom directory. + search_directories.append(self.default_template_dir) # TODO: switch to synapse.util.templates.build_jinja_env loader = jinja2.FileSystemLoader(search_directories) |