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Improve error handling and documentation in Knowledge._check_and_reload_sources

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Co-Authored-By: Joe Moura <joao@crewai.com>
This commit is contained in:
Devin AI
2025-05-06 00:14:25 +00:00
parent a98a44afb2
commit 63eccf5e30
1 changed files with 42 additions and 9 deletions
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51
src/crewai/knowledge/knowledge.py
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@@ -83,23 +83,56 @@ class Knowledge(BaseModel):
with previously recorded values. When changes are detected, the source is reloaded and
the storage is updated with the new content.
Handles specific exceptions for file operations to provide better error reporting.
The method handles various file-related exceptions with specific error messages:
- FileNotFoundError: When a source file no longer exists
- PermissionError: When there are permission issues accessing a file
- IOError: When there are I/O errors reading a file
- ValueError: When there are issues with file content format
- Other unexpected exceptions are also caught and logged
Each exception is logged with appropriate context to aid in troubleshooting.
"""
for source in self.sources:
source_name = source.__class__.__name__
try:
if hasattr(source, 'files_have_changed') and source.files_have_changed():
self._logger.log("info", f"Reloading modified source: {source.__class__.__name__}")
source._record_file_mtimes() # Update timestamps
source.content = source.load_content()
source.add() # Reload and update storage
self._logger.log("info", f"Reloading modified source: {source_name}")
# Update file modification timestamps
try:
source._record_file_mtimes()
except (PermissionError, IOError) as e:
self._logger.log("warning", f"Could not record file timestamps for {source_name}: {str(e)}")
try:
source.content = source.load_content()
except FileNotFoundError as e:
self._logger.log("error", f"File not found when loading content for {source_name}: {str(e)}")
continue
except PermissionError as e:
self._logger.log("error", f"Permission error when loading content for {source_name}: {str(e)}")
continue
except IOError as e:
self._logger.log("error", f"IO error when loading content for {source_name}: {str(e)}")
continue
except ValueError as e:
self._logger.log("error", f"Invalid content format in {source_name}: {str(e)}")
continue
try:
source.add()
self._logger.log("info", f"Successfully reloaded and updated {source_name}")
except Exception as e:
self._logger.log("error", f"Failed to update storage for {source_name}: {str(e)}")
except FileNotFoundError as e:
self._logger.log("error", f"File not found when checking for updates: {str(e)}")
self._logger.log("error", f"File not found when checking for updates in {source_name}: {str(e)}")
except PermissionError as e:
self._logger.log("error", f"Permission error when checking for updates: {str(e)}")
self._logger.log("error", f"Permission error when checking for updates in {source_name}: {str(e)}")
except IOError as e:
self._logger.log("error", f"IO error when checking for updates: {str(e)}")
self._logger.log("error", f"IO error when checking for updates in {source_name}: {str(e)}")
except Exception as e:
self._logger.log("error", f"Unexpected error when checking for updates: {str(e)}")
self._logger.log("error", f"Unexpected error when checking for updates in {source_name}: {str(e)}")
def add_sources(self):
try: