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-rw-r--r--sphinx/config.py3
1 files changed, 3 insertions, 0 deletions
diff --git a/sphinx/config.py b/sphinx/config.py
index 1ba98d007..553aa74d6 100644
--- a/sphinx/config.py
+++ b/sphinx/config.py
@@ -166,6 +166,9 @@ class Config:
def read(cls, confdir: str, overrides: Dict = None, tags: Tags = None) -> "Config":
"""Create a Config object from configuration file."""
filename = path.join(confdir, CONFIG_FILENAME)
+ if not path.isfile(filename):
+ raise ConfigError(__("config directory doesn't contain a conf.py file (%s)") %
+ confdir)
namespace = eval_config_file(filename, tags)
return cls(namespace, overrides or {})