X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/03a0a2983a582ddf3570a337f94d236b0c8d4618..c2efb567dc56d5e4259ba873e186beec00ea88be:/pokedex/db/load.py diff --git a/pokedex/db/load.py b/pokedex/db/load.py index d5502ea..e6b3287 100644 --- a/pokedex/db/load.py +++ b/pokedex/db/load.py @@ -2,7 +2,6 @@ import csv import fnmatch import os.path -import pkg_resources import sys from sqlalchemy.orm.attributes import instrumentation_registry @@ -11,6 +10,7 @@ import sqlalchemy.types from pokedex.db import metadata import pokedex.db.tables as tables +from pokedex.defaults import get_default_csv_dir def _get_table_names(metadata, patterns): @@ -95,7 +95,7 @@ def _get_verbose_prints(verbose): return print_start, print_status, print_done -def load(session, tables=[], directory=None, drop_tables=False, verbose=False): +def load(session, tables=[], directory=None, drop_tables=False, verbose=False, safe=True): """Load data from CSV files into the given database session. Tables are created automatically. @@ -115,19 +115,27 @@ def load(session, tables=[], directory=None, drop_tables=False, verbose=False): `verbose` If set to True, status messages will be printed to stdout. + + `safe` + If set to False, load can be faster, but can corrupt the database if + it crashes or is interrupted. """ # First take care of verbosity print_start, print_status, print_done = _get_verbose_prints(verbose) - if not directory: - directory = pkg_resources.resource_filename('pokedex', 'data/csv') + if directory is None: + directory = get_default_csv_dir() table_names = _get_table_names(metadata, tables) table_objs = [metadata.tables[name] for name in table_names] table_objs = sqlalchemy.sql.util.sort_tables(table_objs) + # SQLite speed tweaks + if not safe and session.connection().dialect.name == 'sqlite': + session.connection().execute("PRAGMA synchronous=OFF") + session.connection().execute("PRAGMA journal_mode=OFF") # Drop all tables if requested if drop_tables: @@ -179,7 +187,7 @@ def load(session, tables=[], directory=None, drop_tables=False, verbose=False): session.commit() new_rows[:] = [] - progress = "{0}%".format(100 * csvfile.tell() // csvsize) + progress = "%d%%" % (100 * csvfile.tell() // csvsize) print_status(progress) for csvs in reader: @@ -251,6 +259,10 @@ def load(session, tables=[], directory=None, drop_tables=False, verbose=False): print_done() + # SQLite check + if session.connection().dialect.name == 'sqlite': + session.connection().execute("PRAGMA integrity_check") + def dump(session, tables=[], directory=None, verbose=False): @@ -276,7 +288,7 @@ def dump(session, tables=[], directory=None, verbose=False): if not directory: - directory = pkg_resources.resource_filename('pokedex', 'data/csv') + directory = get_default_csv_dir() table_names = _get_table_names(metadata, tables) table_names.sort()