Build: fail builds without configuration file or using v1

readthedocs/doc_builder/director.py

@@ -240,6 +240,12 @@ def checkout(self):
         self.data.build["config"] = self.data.config.as_dict()
         self.data.build["readthedocs_yaml_path"] = custom_config_file
 
+        # Raise a build error if the project is not using a config file or using v1
+        if self.data.project.has_feature(
+            Feature.NO_CONFIG_FILE_DEPRECATED
+        ) and self.data.config.version not in ("2", 2):
+            raise BuildUserError(BuildUserError.NO_CONFIG_FILE_DEPRECATED)
+
         if self.vcs_repository.supports_submodules:
             self.vcs_repository.update_submodules(self.data.config)
 

readthedocs/doc_builder/exceptions.py

@@ -57,6 +57,11 @@ class BuildUserError(BuildBaseException):
         "Ensure your project is configured to use the output path "
         "'$READTHEDOCS_OUTPUT/html' instead."
     )
+    NO_CONFIG_FILE_DEPRECATED = gettext_noop(
+        "The configuration file required to build documentation is missing from your project. "
+        "Add a configuration file to your project to make it build successfully. "
+        "Read more at https://docs.readthedocs.io/en/stable/config-file/v2.html"
+    )
 
 
 class BuildUserSkip(BuildUserError):

readthedocs/projects/models.py

@@ -107,7 +107,7 @@ class ProjectRelationship(models.Model):
     def __str__(self):
         return '{} -> {}'.format(self.parent, self.child)
 
-    def save(self, *args, **kwargs):  # pylint: disable=arguments-differ
+    def save(self, *args, **kwargs):
         if not self.alias:
             self.alias = self.child.slug
         super().save(*args, **kwargs)
@@ -544,12 +544,14 @@ class Meta:
     def __str__(self):
         return self.name
 
-    def save(self, *args, **kwargs):  # pylint: disable=arguments-differ
+    def save(self, *args, **kwargs):
         if not self.slug:
             # Subdomains can't have underscores in them.
             self.slug = slugify(self.name)
             if not self.slug:
-                raise Exception(_('Model must have slug'))
+                raise Exception(  # pylint: disable=broad-exception-raised
+                    _("Model must have slug")
+                )
         super().save(*args, **kwargs)
 
         try:
@@ -567,7 +569,7 @@ def save(self, *args, **kwargs):  # pylint: disable=arguments-differ
         )
         self.versions.filter(slug=LATEST).update(identifier=self.default_branch)
 
-    def delete(self, *args, **kwargs):  # pylint: disable=arguments-differ
+    def delete(self, *args, **kwargs):
         from readthedocs.projects.tasks.utils import clean_project_resources
 
         # Remove extra resources
@@ -1747,7 +1749,7 @@ class Domain(TimeStampedModel):
     canonical = models.BooleanField(
         default=False,
         help_text=_(
-            "This domain is the primary one where the documentation is " "served from",
+            "This domain is the primary one where the documentation is served from",
         ),
     )
     https = models.BooleanField(
@@ -1830,7 +1832,7 @@ def restart_validation_process(self):
             self.validation_process_start = timezone.now()
             self.save()
 
-    def save(self, *args, **kwargs):  # pylint: disable=arguments-differ
+    def save(self, *args, **kwargs):
         parsed = urlparse(self.domain)
         if parsed.scheme or parsed.netloc:
             self.domain = parsed.netloc
@@ -1949,6 +1951,7 @@ def add_features(sender, **kwargs):
     DONT_CREATE_INDEX = "dont_create_index"
     USE_RCLONE = "use_rclone"
     HOSTING_INTEGRATIONS = "hosting_integrations"
+    NO_CONFIG_FILE_DEPRECATED = "no_config_file"
 
     FEATURES = (
         (ALLOW_DEPRECATED_WEBHOOKS, _("Webhook: Allow deprecated webhook views")),
@@ -2139,6 +2142,10 @@ def add_features(sender, **kwargs):
                 "Proxito: Inject 'readthedocs-client.js' as <script> HTML tag in responses."
             ),
         ),
+        (
+            NO_CONFIG_FILE_DEPRECATED,
+            _("Build: Building without a configuration file is deprecated."),
+        ),
     )
 
     FEATURES = sorted(FEATURES, key=lambda l: l[1])
@@ -2210,6 +2217,6 @@ class EnvironmentVariable(TimeStampedModel, models.Model):
     def __str__(self):
         return self.name
 
-    def save(self, *args, **kwargs):  # pylint: disable=arguments-differ
+    def save(self, *args, **kwargs):
         self.value = quote(self.value)
         return super().save(*args, **kwargs)

readthedocs/projects/tasks/builds.py

@@ -107,7 +107,6 @@ class TaskData:
     api_client: API = None
 
     start_time: timezone.datetime = None
-    # pylint: disable=unsubscriptable-object
     environment_class: type[DockerBuildEnvironment] | type[LocalBuildEnvironment] = None
     build_director: BuildDirector = None
     config: BuildConfigV1 | BuildConfigV2 = None
@@ -886,7 +885,7 @@ def store_build_artifacts(self):
                     build_media_storage.rclone_sync_directory(from_path, to_path)
                 else:
                     build_media_storage.sync_directory(from_path, to_path)
-            except Exception:
+            except Exception as exc:
                 # NOTE: the exceptions reported so far are:
                 #  - botocore.exceptions:HTTPClientError
                 #  - botocore.exceptions:ClientError
@@ -900,7 +899,7 @@ def store_build_artifacts(self):
                 # Re-raise the exception to fail the build and handle it
                 # automatically at `on_failure`.
                 # It will clearly communicate the error to the user.
-                raise BuildAppError("Error uploading files to the storage.")
+                raise BuildAppError("Error uploading files to the storage.") from exc
 
         # Delete formats
         for media_type in types_to_delete:
@@ -912,7 +911,7 @@ def store_build_artifacts(self):
             )
             try:
                 build_media_storage.delete_directory(media_path)
-            except Exception:
+            except Exception as exc:
                 # NOTE: I didn't find any log line for this case yet
                 log.exception(
                     "Error deleting files from storage",
@@ -922,7 +921,7 @@ def store_build_artifacts(self):
                 # Re-raise the exception to fail the build and handle it
                 # automatically at `on_failure`.
                 # It will clearly communicate the error to the user.
-                raise BuildAppError("Error deleting files from storage.")
+                raise BuildAppError("Error deleting files from storage.") from exc
 
         log.info(
             "Store build artifacts finished.",