add integrity check for the config-file

corrlib/integrity.py

@@ -1,10 +1,12 @@
 import datetime as dt
 from pathlib import Path
-from .tools import get_db_file
+from .tools import get_db_file, CONFIG_FILENAME
 import pandas as pd
 import sqlite3
 from .tracker import get
 import pyerrors.input.json as pj
+import os
+from configparser import ConfigParser
 
 from typing import Any
 
@@ -41,7 +43,6 @@ def check_db_integrity(path: Path) -> None:
     for _, result in results.iterrows():
         if not has_valid_times(result):
             raise ValueError(f"Result with id {result[id]} has wrong time signatures.")
-    print("DB:\t✅")
     return
 
 
@@ -67,7 +68,6 @@ def _check_db2paths(path: Path, meas_paths: list[str]) -> None:
             for key in needed_data[file]:
                 if key not in filedict.keys():
                     raise ValueError(f"Did not find data for key {key} that should be in file {file}.")
-    print("Links:\t✅")
     return
 
 
@@ -79,9 +79,44 @@ def check_db_file_links(path: Path) -> None:
     _check_db2paths(path, list(results))
 
 
+def check_path_and_config(path: Path) -> None:
+    if not os.path.exists(path):
+        raise FileNotFoundError(f"Corrlib path {path} does not exist.")
+    config_path = path / CONFIG_FILENAME
+    if not os.path.exists(config_path):
+        raise FileNotFoundError(f"Configuration file {config_path} not found.")
+
+
+def check_config_validity(path: Path) -> None:
+    config = ConfigParser()
+    config_path = path / CONFIG_FILENAME
+    if os.path.exists(config_path):
+        config.read(config_path)
+    else:
+        raise FileNotFoundError("Configuration file not found.")
+
+    if config.has_section('core'):
+        core_opts = ['version', 'tracker', 'cached']
+        has_core_opts = [config.has_option('core', opt) for opt in core_opts]
+        if not all(has_core_opts):
+            raise ValueError("One of the options in the 'core' section  ('version', 'tracker', 'cached') is missing.")
+
+    if config.has_section('paths'):
+        path_opts = ['db', 'projects_path', 'archive_path', 'toml_imports_path', 'import_scripts_path']
+        has_path_opts = [config.has_option('paths', opt) for opt in path_opts]
+        if not all(has_path_opts):
+            raise ValueError("One of the options in the 'path' section  ('db', 'projects_path', 'archive_path', 'toml_imports_path', 'import_scripts_path') is missing.")
+
+
 def full_integrity_check(path: Path) -> None:
+    check_path_and_config(path)
+    print("Path and config-file exist:\t✅")
+    check_config_validity(path)
+    print("Configuration is valid:\t✅")
     check_db_integrity(path)
+    print("DB:\t✅")
     check_db_file_links(path)
+    print("Links:\t✅")
     print("Full:\t✅")