X-Git-Url: http://git.veekun.com/zzz-pokedex.git/blobdiff_plain/6a49139f94f9dd48ebbb21dac3423fb79f7fe4ce..edf1bde339e37bcac39aac9bdd28c0e02ec29ab8:/pokedex/db/load.py diff --git a/pokedex/db/load.py b/pokedex/db/load.py index e3e7fa5..b17438d 100644 --- a/pokedex/db/load.py +++ b/pokedex/db/load.py @@ -1,8 +1,7 @@ """CSV to database or vice versa.""" import csv +import fnmatch import os.path -import pkg_resources -import re import sys from sqlalchemy.orm.attributes import instrumentation_registry @@ -11,38 +10,27 @@ import sqlalchemy.types from pokedex.db import metadata import pokedex.db.tables as tables +from pokedex.defaults import get_default_csv_dir -def _wildcard_char_to_regex(char): - """Converts a single wildcard character to the regex equivalent.""" - - if char == '?': - return '.?' - elif char == '*': - return '.*' +def _get_table_names(metadata, patterns): + """Returns a list of table names from the given metadata. If `patterns` + exists, only tables matching one of the patterns will be returned. + """ + if patterns: + table_names = set() + for pattern in patterns: + if '.' in pattern or '/' in pattern: + # If it looks like a filename, pull out just the table name + _, filename = os.path.split(pattern) + table_name, _ = os.path.splitext(filename) + pattern = table_name + + table_names.update(fnmatch.filter(metadata.tables.keys(), pattern)) else: - return re.escape(char) - -def _wildcard_glob_to_regex(glob): - """Converts a single wildcard glob to a regex STRING.""" - - # If it looks like a filename, make it not one - if '.' in glob or '/' in glob: - _, filename = os.path.split(glob) - table_name, _ = os.path.splitext(filename) - glob = table_name - - return u''.join(map(_wildcard_char_to_regex, glob)) - -def _wildcards_to_regex(strings): - """Converts a list of wildcard globs to a single regex object.""" - - regex_parts = map(_wildcard_glob_to_regex, strings) - - regex = '^(?:' + '|'.join(regex_parts) + ')$' - - return re.compile(regex) + table_names = metadata.tables.keys() + return list(table_names) def _get_verbose_prints(verbose): """If `verbose` is true, returns three functions: one for printing a @@ -133,15 +121,10 @@ def load(session, tables=[], directory=None, drop_tables=False, verbose=False): print_start, print_status, print_done = _get_verbose_prints(verbose) - if not directory: - directory = pkg_resources.resource_filename('pokedex', 'data/csv') - - if tables: - regex = _wildcards_to_regex(tables) - table_names = filter(regex.match, metadata.tables.keys()) - else: - table_names = metadata.tables.keys() + 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) @@ -293,14 +276,9 @@ def dump(session, tables=[], directory=None, verbose=False): if not directory: - directory = pkg_resources.resource_filename('pokedex', 'data/csv') - - if tables: - regex = _wildcards_to_regex(tables) - table_names = filter(regex.match, metadata.tables.keys()) - else: - table_names = metadata.tables.keys() + directory = get_default_csv_dir() + table_names = _get_table_names(metadata, tables) table_names.sort()