Run black and prettier

Author: SylvainCorlay

nbconvert/exporters/html.py

@@ -92,13 +92,13 @@ class HTMLExporter(TemplateExporter):
 
     export_from_notebook = "HTML"
 
-    anchor_link_text = Unicode("¶", help="The text used as the text for anchor links.").tag(
-        config=True
-    )
+    anchor_link_text = Unicode(
+        "¶", help="The text used as the text for anchor links."
+    ).tag(config=True)
 
-    exclude_anchor_links = Bool(False, help="If anchor links should be included or not.").tag(
-        config=True
-    )
+    exclude_anchor_links = Bool(
+        False, help="If anchor links should be included or not."
+    ).tag(config=True)
 
     require_js_url = Unicode(
         "https://cdnjs.cloudflare.com/ajax/libs/require.js/2.1.10/require.min.js",
@@ -131,7 +131,9 @@ class HTMLExporter(TemplateExporter):
         "https://unpkg.com/", help="URL base for Jupyter widgets"
     ).tag(config=True)
 
-    widget_renderer_url = Unicode("", help="Full URL for Jupyter widgets").tag(config=True)
+    widget_renderer_url = Unicode("", help="Full URL for Jupyter widgets").tag(
+        config=True
+    )
 
     html_manager_semver_range = Unicode(
         "*", help="Semver range for Jupyter widgets HTML manager"
@@ -226,7 +228,9 @@ def from_notebook_node(self, nb, resources=None, **kw):
     def _init_resources(self, resources):
         def resources_include_css(name):
             env = self.environment
-            code = """<style type="text/css">\n%s</style>""" % (env.loader.get_source(env, name)[0])
+            code = """<style type="text/css">\n%s</style>""" % (
+                env.loader.get_source(env, name)[0]
+            )
             return markupsafe.Markup(code)
 
         def resources_include_lab_theme(name):

nbconvert/exporters/templateexporter.py

@@ -146,7 +146,9 @@ class TemplateExporter(Exporter):
     """
 
     # finish the docstring
-    __doc__ = __doc__.format(filters="- " + "\n    - ".join(sorted(default_filters.keys())))
+    __doc__ = __doc__.format(
+        filters="- " + "\n    - ".join(sorted(default_filters.keys()))
+    )
 
     _template_cached = None
 
@@ -186,9 +188,9 @@ def default_config(self):
         config=True, affects_template=True
     )
 
-    template_file = Unicode(None, allow_none=True, help="Name of the template file to use").tag(
-        config=True, affects_template=True
-    )
+    template_file = Unicode(
+        None, allow_none=True, help="Name of the template file to use"
+    ).tag(config=True, affects_template=True)
 
     raw_template = Unicode("", help="raw template string").tag(affects_environment=True)
 
@@ -257,7 +259,8 @@ def _default_extra_template_basedirs(self):
     template_extension = Unicode().tag(config=True, affects_environment=True)
 
     template_data_paths = List(
-        jupyter_path("nbconvert", "templates"), help="Path where templates can be installed too."
+        jupyter_path("nbconvert", "templates"),
+        help="Path where templates can be installed too.",
     ).tag(affects_environment=True)
 
     # Extension that the template files use.
@@ -271,11 +274,13 @@ def _template_extension_default(self):
             return self.file_extension
 
     exclude_input = Bool(
-        False, help="This allows you to exclude code cell inputs from all templates if set to True."
+        False,
+        help="This allows you to exclude code cell inputs from all templates if set to True.",
     ).tag(config=True)
 
     exclude_input_prompt = Bool(
-        False, help="This allows you to exclude input prompts from all templates if set to True."
+        False,
+        help="This allows you to exclude input prompts from all templates if set to True.",
     ).tag(config=True)
 
     exclude_output = Bool(
@@ -284,7 +289,8 @@ def _template_extension_default(self):
     ).tag(config=True)
 
     exclude_output_prompt = Bool(
-        False, help="This allows you to exclude output prompts from all templates if set to True."
+        False,
+        help="This allows you to exclude output prompts from all templates if set to True.",
     ).tag(config=True)
 
     exclude_output_stdin = Bool(
@@ -293,19 +299,23 @@ def _template_extension_default(self):
     ).tag(config=True)
 
     exclude_code_cell = Bool(
-        False, help="This allows you to exclude code cells from all templates if set to True."
+        False,
+        help="This allows you to exclude code cells from all templates if set to True.",
     ).tag(config=True)
 
     exclude_markdown = Bool(
-        False, help="This allows you to exclude markdown cells from all templates if set to True."
+        False,
+        help="This allows you to exclude markdown cells from all templates if set to True.",
     ).tag(config=True)
 
     exclude_raw = Bool(
-        False, help="This allows you to exclude raw cells from all templates if set to True."
+        False,
+        help="This allows you to exclude raw cells from all templates if set to True.",
     ).tag(config=True)
 
     exclude_unknown = Bool(
-        False, help="This allows you to exclude unknown cells from all templates if set to True."
+        False,
+        help="This allows you to exclude unknown cells from all templates if set to True.",
     ).tag(config=True)
 
     extra_loaders = List(
@@ -344,9 +354,12 @@ def __init__(self, config=None, **kw):
         super().__init__(config=config, **kw)
 
         self.observe(
-            self._invalidate_environment_cache, list(self.traits(affects_environment=True))
+            self._invalidate_environment_cache,
+            list(self.traits(affects_environment=True)),
+        )
+        self.observe(
+            self._invalidate_template_cache, list(self.traits(affects_template=True))
         )
-        self.observe(self._invalidate_template_cache, list(self.traits(affects_template=True)))
 
     def _load_template(self):
         """Load the Jinja template object from the template file
@@ -557,7 +570,9 @@ def _template_paths(self, prune=True, root_dirs=None):
             base_dir = os.path.join(root_dir, "nbconvert", "templates")
             paths.append(base_dir)
 
-            compatibility_dir = os.path.join(root_dir, "nbconvert", "templates", "compatibility")
+            compatibility_dir = os.path.join(
+                root_dir, "nbconvert", "templates", "compatibility"
+            )
             paths.append(compatibility_dir)
 
         additional_paths = []
@@ -594,7 +609,9 @@ def get_template_names(self):
                     with open(conf_file) as f:
                         conf = recursive_update(json.load(f), conf)
             for root_dir in root_dirs:
-                template_dir = os.path.join(root_dir, "nbconvert", "templates", base_template)
+                template_dir = os.path.join(
+                    root_dir, "nbconvert", "templates", base_template
+                )
                 if os.path.exists(template_dir):
                     found_at_least_one = True
                 conf_file = os.path.join(template_dir, "conf.json")
@@ -606,7 +623,11 @@ def get_template_names(self):
                 for root_dir in root_dirs:
                     compatibility_file = base_template + ".tpl"
                     compatibility_path = os.path.join(
-                        root_dir, "nbconvert", "templates", "compatibility", compatibility_file
+                        root_dir,
+                        "nbconvert",
+                        "templates",
+                        "compatibility",
+                        compatibility_file,
                     )
                     if os.path.exists(compatibility_path):
                         found_at_least_one = True
@@ -627,7 +648,11 @@ def get_template_names(self):
             merged_conf = recursive_update(dict(conf), merged_conf)
             base_template = conf.get("base_template")
         conf = merged_conf
-        mimetypes = [mimetype for mimetype, enabled in conf.get("mimetypes", {}).items() if enabled]
+        mimetypes = [
+            mimetype
+            for mimetype, enabled in conf.get("mimetypes", {}).items()
+            if enabled
+        ]
         if self.output_mimetype and self.output_mimetype not in mimetypes and mimetypes:
             supported_mimetypes = "\n\t".join(mimetypes)
             raise ValueError(
@@ -641,7 +666,9 @@ def get_prefix_root_dirs(self):
         # relative to the package directory (first entry, meaning with highest precedence)
         root_dirs = []
         if DEV_MODE:
-            root_dirs.append(os.path.abspath(os.path.join(ROOT, "..", "..", "share", "jupyter")))
+            root_dirs.append(
+                os.path.abspath(os.path.join(ROOT, "..", "..", "share", "jupyter"))
+            )
         root_dirs.extend(jupyter_path())
         return root_dirs