Initial commit

database.py

@@ -0,0 +1,42 @@
+"""
+Manages all behavior related to reading and writing commits to the internal database.
+"""
+
+import logging
+import sqlite3
+from typing import Optional
+
+logger = logging.getLogger(__name__)
+
+
+class Database:
+    """
+    Operates and handles reading/writing to the local commit database.
+    """
+
+    def __init__(self) -> None:
+        logger.debug('Initializing...')
+        self.__is_closed: bool = True  # Becomes false after this statement.
+        self.conn: Optional[sqlite3.Connection] = None
+        self.open()
+
+    def open(self) -> None:
+        """Opens a connection to the database file."""
+        if self.__is_closed:
+            logger.debug('Opening new database connection.')
+            self.conn = sqlite3.connect('commits.db')
+            self.__is_closed = False
+
+    def close(self) -> None:
+        """Closes the currently active database connection."""
+        if self.__is_closed:
+            logger.warning('Attempted to close while database connection is already closed...')
+        else:
+            logger.debug('Closing database connection.')
+            self.conn.close()
+            self.conn = None
+            self.__is_closed = True
+
+    def check_exists(self, id: str) -> bool:
+        """Returns true if the commit in question exists."""
+        return False