Fixed crash when database path is relative and nested (#989)

Author: droserasprout

CHANGELOG.md

@@ -8,9 +8,10 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 
 ### Fixed
 
-- config: Forbid extra arguments in config mappings.
-- config: Fixed issue with `from` filter being ignored.
 - config: Don't raise `ConfigurationError` from some model validators.
+- config: Fixed crash when database path is relative and nested.
+- config: Fixed issue with `from` filter being ignored.
+- config: Forbid extra arguments in config mappings.
 
 ## [7.5.3] - 2024-03-28
 

docs/9.release-notes/_7.5_changelog.md

@@ -11,6 +11,7 @@
 - abi.etherscan: Raise `AbiNotAvailableError` when contract is not verified.
 - cli: Fixed incorrect indexer status logging.
 - config: Don't raise `ConfigurationError` from some model validators.
+- config: Fixed crash when database path is relative and nested.
 - config: Fixed issue with `from` filter being ignored.
 - config: Forbid extra arguments in config mappings.
 - evm.node: Fixed default ratelimit sleep time being too high.

src/dipdup/config/__init__.py

@@ -90,6 +90,11 @@ def schema_name(self) -> str:
 
     @property
     def connection_string(self) -> str:
+        if self.path != DEFAULT_SQLITE_PATH:
+            path = Path(self.path).resolve()
+            path.parent.mkdir(parents=True, exist_ok=True)
+            return f'{self.kind}:///{path}'
+
         return f'{self.kind}://{self.path}'
 
     @property