130 lines
4.8 KiB
Plaintext
130 lines
4.8 KiB
Plaintext
{
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"cells": [
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{
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"cell_type": "code",
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"execution_count": null,
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"metadata": {},
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"outputs": [],
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"source": [
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"class Warning(Exception):\n",
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" \"\"\"\n",
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" Exception raised for important warnings like data truncations while inserting, etc.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(Warning, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class Error(Exception):\n",
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" \"\"\"\n",
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" Exception that is the base class of all other error exceptions.\n",
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" You can use this to catch all errors with one single except statement.\n",
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" Warnings are not considered errors and thus should not use this class as base.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(Error, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class InterfaceError(Error):\n",
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" \"\"\"\n",
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" Exception raised for errors that are related to the database interface rather than the database itself.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(InterfaceError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class DatabaseError(Error):\n",
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" \"\"\"\n",
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" Exception raised for errors that are related to the database.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(DatabaseError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class DataError(DatabaseError):\n",
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" \"\"\"\n",
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" Exception raised for errors that are due to problems with the processed data like division by zero,\n",
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" numeric value out of range, etc.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(DataError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class OperationalError(DatabaseError):\n",
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" \"\"\"\n",
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" Exception raised for errors that are related to the database's operation and not necessarily under\n",
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" the control of the programmer, e.g. an unexpected disconnect occurs, the data source name is not found,\n",
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" a transaction could not be processed, a memory allocation error occurred during processing, etc.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(OperationalError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class IntegrityError(DatabaseError):\n",
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" \"\"\"\n",
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" Exception raised when the relational integrity of the database is affected, e.g. a foreign key check fails.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(IntegrityError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class InternalError(DatabaseError):\n",
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" \"\"\"\n",
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" Exception raised when the database encounters an internal error, e.g. the cursor is not valid anymore,\n",
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" the transaction is out of sync, etc.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(InternalError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class ProgrammingError(DatabaseError):\n",
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" \"\"\"\n",
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" Exception raised for programming errors, e.g. table not found or already exists, syntax error in the SQL statement,\n",
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" wrong number of parameters specified, etc.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(ProgrammingError, self).__init__(message, *args)\n",
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"\n",
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"\n",
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"class NotSupportedError(DatabaseError):\n",
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" \"\"\"\n",
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" Exception raised in case a method or database API was used which is not supported by the database,\n",
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" e.g. requesting a .rollback() on a connection that does not support transaction or has transactions turned off.\n",
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" \"\"\"\n",
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" def __init__(self, message, *args):\n",
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" self.message = message\n",
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" super(NotSupportedError, self).__init__(message, *args)\n"
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]
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}
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],
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"metadata": {
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"kernelspec": {
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"display_name": "Python 3",
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"language": "python",
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"name": "python3"
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},
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"language_info": {
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"codemirror_mode": {
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"name": "ipython",
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"version": 3
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},
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"file_extension": ".py",
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"mimetype": "text/x-python",
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"name": "python",
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"nbconvert_exporter": "python",
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"pygments_lexer": "ipython3",
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"version": "3.7.4"
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}
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},
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"nbformat": 4,
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"nbformat_minor": 2
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}
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