85 lines
3.1 KiB
Python
Executable File
85 lines
3.1 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
|
|
import argparse
|
|
import configparser
|
|
import copy
|
|
import os
|
|
import pymysql
|
|
|
|
mysql_internal = ['information_schema', 'mysql']
|
|
|
|
# Not used, but could be in the future.
|
|
stat_hdrs = ['Name', 'Engine', 'Version', 'Row_format', 'Rows', 'Avg_row_length', 'Data_length',
|
|
'Max_data_length', 'Index_length', 'Data_free', 'Auto_increment', 'Create_time',
|
|
'Update_time', 'Check_time', 'Collation', 'Checksum', 'Create_options', 'Comment']
|
|
tblinfo_hdrs = ['Field', 'Type', 'Null', 'Key', 'Default', 'Extra']
|
|
|
|
def get_info(db, internal = False):
|
|
dbs = {}
|
|
if os.path.isfile(os.path.expanduser('~/.my.cnf')):
|
|
_cfg = configparser.ConfigParser(allow_no_value = True)
|
|
_cfg.read(os.path.expanduser('~/.my.cnf'))
|
|
_cfg = dict(_cfg['client'])
|
|
_cfg['ssl'] = {}
|
|
if 'host' not in _cfg:
|
|
_cfg['host'] = 'localhost'
|
|
conn = pymysql.connect(**_cfg, cursorclass = pymysql.cursors.DictCursor)
|
|
else:
|
|
raise RuntimeError('Need mysql creds at ~/.my.cnf')
|
|
cur = conn.cursor()
|
|
if not db:
|
|
cur.execute("SHOW DATABASES")
|
|
db = [row['Database'] for row in cur.fetchall()]
|
|
if not internal:
|
|
for d in mysql_internal:
|
|
try:
|
|
db.remove(d)
|
|
except ValueError: # Not in the list; our user probably doesn't have access
|
|
pass
|
|
else:
|
|
db = [db]
|
|
for d in db:
|
|
dbs[d] = {}
|
|
cur.execute("SHOW TABLES FROM `{0}`".format(d))
|
|
for tbl in [t['Tables_in_{0}'.format(d)] for t in cur.fetchall()]:
|
|
dbs[d][tbl] = {}
|
|
# Status
|
|
cur.execute("SHOW TABLE STATUS FROM `{0}` WHERE Name = %s".format(d), (tbl, ))
|
|
dbs[d][tbl]['_STATUS'] = copy.deepcopy(cur.fetchone())
|
|
# Columns
|
|
dbs[d][tbl]['_COLUMNS'] = {}
|
|
#cur.execute("DESCRIBE {0}.{1}".format(d, tbl))
|
|
cur.execute("SHOW COLUMNS IN `{0}` FROM `{1}`".format(tbl, d))
|
|
for row in cur.fetchall():
|
|
colNm = row['Field']
|
|
dbs[d][tbl]['_COLUMNS'][colNm] = {}
|
|
for k in [x for x in tblinfo_hdrs if x is not 'Field']:
|
|
dbs[d][tbl]['_COLUMNS'][colNm][k] = row[k]
|
|
cur.close()
|
|
conn.close()
|
|
return(dbs)
|
|
|
|
def parseArgs():
|
|
args = argparse.ArgumentParser()
|
|
args.add_argument('-i', '--internal',
|
|
dest = 'internal',
|
|
action = 'store_true',
|
|
help = ('If specified, include the MySQL internal databases '
|
|
'(mysql, information_schema, etc.); only used if -d is not specified'))
|
|
args.add_argument('-d', '--database',
|
|
dest = 'db',
|
|
default = None,
|
|
help = 'If specified, only list table info for this DB')
|
|
return(args)
|
|
|
|
def main():
|
|
args = vars(parseArgs().parse_args())
|
|
dbs = get_info(args['db'], internal = args['internal'])
|
|
#import json
|
|
#print(json.dumps(dbs, indent = 4, sort_keys = True, default = str))
|
|
import pprint
|
|
pprint.pprint(dbs)
|
|
|
|
if __name__ == '__main__':
|
|
main()
|