52 lines
1.6 KiB
Python
52 lines
1.6 KiB
Python
import logging
|
|
|
|
from django_migration_linter.sql_analyser import (
|
|
MySqlAnalyser,
|
|
PostgresqlAnalyser,
|
|
SqliteAnalyser,
|
|
)
|
|
|
|
logger = logging.getLogger("django_migration_linter")
|
|
|
|
ANALYSER_STRING_MAPPING = {
|
|
"sqlite": SqliteAnalyser,
|
|
"mysql": MySqlAnalyser,
|
|
"postgresql": PostgresqlAnalyser,
|
|
}
|
|
|
|
|
|
def get_sql_analyser_class(database_vendor, analyser_string=None):
|
|
if analyser_string:
|
|
return get_sql_analyser_from_string(analyser_string)
|
|
return get_sql_analyser_class_from_db_vendor(database_vendor)
|
|
|
|
|
|
def get_sql_analyser_from_string(analyser_string):
|
|
if analyser_string not in ANALYSER_STRING_MAPPING:
|
|
raise ValueError(
|
|
"Unknown SQL analyser. Known values: {}".format(analyser_string.keys())
|
|
)
|
|
return ANALYSER_STRING_MAPPING[analyser_string]
|
|
|
|
|
|
def get_sql_analyser_class_from_db_vendor(database_vendor):
|
|
if "mysql" in database_vendor:
|
|
sql_analyser_class = MySqlAnalyser
|
|
elif "postgre" in database_vendor:
|
|
sql_analyser_class = PostgresqlAnalyser
|
|
elif "sqlite" in database_vendor:
|
|
sql_analyser_class = SqliteAnalyser
|
|
else:
|
|
raise ValueError("Unsupported database vendor. Try specifying an SQL analyser.")
|
|
|
|
logger.debug("Chosen SQL analyser class: %s", sql_analyser_class)
|
|
return sql_analyser_class
|
|
|
|
|
|
def analyse_sql_statements(
|
|
sql_analyser_class, sql_statements, exclude_migration_tests=None
|
|
):
|
|
sql_analyser = sql_analyser_class(exclude_migration_tests)
|
|
sql_analyser.analyse(sql_statements)
|
|
return sql_analyser.errors, sql_analyser.ignored, sql_analyser.warnings
|