def execute_and_map(self, ddlstmt):
"Execute a DDL statement, commit, and return a map of the database"
self.execute(ddlstmt)
self.conn.commit()
db = Database(DbConnection(self.name, self.user, host=self.host,
port=self.port))
return db.to_map()
def main(host='localhost', port=5432, schema=None):
"""Convert database table specifications to YAML."""
parser = OptionParser("usage: %prog [options] dbname")
parser.add_option('-H', '--host', dest='host',
help="database server host or socket directory "
"(default %default)")
parser.add_option('-p', '--port', dest='port', type='int',
help="database server port (default %default)")
parser.add_option('-U', '--username', dest='username',
help="database user name (default %default)")
parser.add_option('-n', '--schema', dest='schema',
help="only for named schema (default %default)")
parser.add_option('-t', '--table', dest='tablist', action='append',
help="only for named tables (default all)")
parser.set_defaults(host=host, port=port, username=os.getenv("USER"),
schema=schema)
(options, args) = parser.parse_args()
if len(args) > 1:
parser.error("too many arguments")
elif len(args) != 1:
parser.error("database name not specified")
dbname = args[0]
db = Database(DbConnection(dbname, options.username, options.host,
options.port))
dbmap = db.to_map()
# trim the map of schemas/tables not selected
if options.schema:
skey = 'schema ' + options.schema
for sch in dbmap.keys():
if sch != skey:
del dbmap[sch]
if options.tablist:
ktablist = ['table ' + tbl for tbl in options.tablist]
for sch in dbmap.keys():
for tbl in dbmap[sch].keys():
if tbl not in ktablist:
del dbmap[sch][tbl]
if not dbmap[sch]:
del dbmap[sch]
print yaml.dump(dbmap, default_flow_style=False)
def main(schema=None):
"""Convert database table specifications to YAML."""
parser = cmd_parser("Extract the schema of a PostgreSQL database in "
"YAML format", __version__)
parser.add_argument('-m', '--multiple-files', action='store_true',
help='output to multiple files (metadata directory)')
parser.add_argument('-O', '--no-owner', action='store_true',
help='exclude object ownership information')
parser.add_argument('-x', '--no-privileges', action='store_true',
dest='no_privs',
help='exclude privilege (GRANT/REVOKE) information')
group = parser.add_argument_group("Object inclusion/exclusion options",
"(each can be given multiple times)")
group.add_argument('-n', '--schema', metavar='SCHEMA', dest='schemas',
action='append', default=[],
help="extract the named schema(s) (default all)")
group.add_argument('-N', '--exclude-schema', metavar='SCHEMA',
dest='excl_schemas', action='append', default=[],
help="do NOT extract the named schema(s) "
"(default none)")
group.add_argument('-t', '--table', metavar='TABLE', dest='tables',
action='append', default=[],
help="extract the named table(s) (default all)")
group.add_argument('-T', '--exclude-table', metavar='TABLE',
dest='excl_tables', action='append', default=[],
help="do NOT extract the named table(s) "
"(default none)")
parser.set_defaults(schema=schema)
cfg = parse_args(parser)
output = cfg['files']['output']
options = cfg['options']
if options.multiple_files and output:
parser.error("Cannot specify both --multiple-files and --output")
db = Database(cfg)
dbmap = db.to_map()
if not options.multiple_files:
print(yamldump(dbmap), file=output or sys.stdout)
if output:
output.close()
def main(host='localhost', port=5432, schema=None):
"""Convert database table specifications to YAML."""
parser = ArgumentParser(parents=[parent_parser()],
description="Extract the schema of a PostgreSQL "
"database in YAML format")
parser.add_argument('-n', '--schema',
help="only for named schema (default %(default)s)")
parser.add_argument('-t', '--table', dest='tablist', action='append',
help="only for named tables (default all)")
parser.set_defaults(host=host, port=port, username=os.getenv("USER"),
schema=schema)
args = parser.parse_args()
db = Database(DbConnection(args.dbname, args.username, args.password,
args.host, args.port))
dbmap = db.to_map()
# trim the map of schemas/tables not selected
if args.schema:
skey = 'schema ' + args.schema
for sch in dbmap.keys():
if sch[:7] == 'schema ' and sch != skey:
del dbmap[sch]
if args.tablist:
ktablist = ['table ' + tbl for tbl in args.tablist]
for sch in dbmap.keys():
if sch[:7] == 'schema ':
for tbl in dbmap[sch].keys():
if tbl not in ktablist:
del dbmap[sch][tbl]
if not dbmap[sch]:
del dbmap[sch]
if args.output:
fd = args.output
sys.stdout = fd
print(yaml.dump(dbmap, default_flow_style=False))
if args.output:
fd.close()
def main(host='localhost', port=5432, schema=None):
"""Convert database table specifications to YAML."""
parser = ArgumentParser(parents=[parent_parser()],
description="Extract the schema of a PostgreSQL "
"database in YAML format")
parser.add_argument('-n', '--schema',
help="only for named schema (default %(default)s)")
parser.add_argument('-t', '--table', dest='tablist', action='append',
help="only for named tables (default all)")
parser.set_defaults(host=host, port=port, username=os.getenv("USER"),
schema=schema)
args = parser.parse_args()
pswd = (args.password and getpass.getpass() or '')
db = Database(args.dbname, args.username, pswd, args.host, args.port)
dbmap = db.to_map([args.schema], args.tablist)
if args.output:
fd = args.output
sys.stdout = fd
print(yaml.dump(dbmap, default_flow_style=False))
if args.output:
fd.close()
def main(host='localhost', port=5432, schema=None):
"""Convert database table specifications to YAML."""
parser = ArgumentParser(parents=[parent_parser()],
description="Extract the schema of a PostgreSQL "
"database in YAML format")
group = parser.add_argument_group("Object inclusion/exclusion options",
"(each can be given multiple times)")
group.add_argument('-n', '--schema', metavar='SCHEMA', dest='schemas',
action='append', default=[],
help="extract the named schema(s) (default all)")
group.add_argument('-N', '--exclude-schema', metavar='SCHEMA',
dest='excl_schemas', action='append', default=[],
help="do NOT extract the named schema(s) "
"(default none)")
group.add_argument('-t', '--table', metavar='TABLE', dest='tables',
action='append', default=[],
help="extract the named table(s) (default all)")
group.add_argument('-T', '--exclude-table', metavar='TABLE',
dest='excl_tables', action='append', default=[],
help="do NOT extract the named table(s) "
"(default none)")
parser.set_defaults(host=host, port=port, schema=schema,
username=os.getenv("PGUSER") or os.getenv("USER"))
args = parser.parse_args()
pswd = (args.password and getpass.getpass() or None)
db = Database(args.dbname, args.username, pswd, args.host, args.port)
dbmap = db.to_map(schemas=args.schemas, tables=args.tables,
exclude_schemas=args.excl_schemas,
exclude_tables=args.excl_tables)
print(yaml.dump(dbmap, default_flow_style=False),
file=args.output or sys.stdout)
if args.output:
args.output.close()
def main(schema=None):
"""Convert database table specifications to YAML."""
parser = cmd_parser(
"Extract the schema of a PostgreSQL database in "
"YAML format", __version__)
parser.add_argument('-m',
'--multiple-files',
action='store_true',
help='output to multiple files (metadata directory)')
parser.add_argument('-O',
'--no-owner',
action='store_true',
help='exclude object ownership information')
parser.add_argument('-x',
'--no-privileges',
action='store_true',
dest='no_privs',
help='exclude privilege (GRANT/REVOKE) information')
group = parser.add_argument_group("Object inclusion/exclusion options",
"(each can be given multiple times)")
group.add_argument('-n',
'--schema',
metavar='SCHEMA',
dest='schemas',
action='append',
default=[],
help="extract the named schema(s) (default all)")
group.add_argument('-N',
'--exclude-schema',
metavar='SCHEMA',
dest='excl_schemas',
action='append',
default=[],
help="do NOT extract the named schema(s) "
"(default none)")
group.add_argument('-t',
'--table',
metavar='TABLE',
dest='tables',
action='append',
default=[],
help="extract the named table(s) (default all)")
group.add_argument('-T',
'--exclude-table',
metavar='TABLE',
dest='excl_tables',
action='append',
default=[],
help="do NOT extract the named table(s) "
"(default none)")
parser.set_defaults(schema=schema)
cfg = parse_args(parser)
output = cfg['files']['output']
options = cfg['options']
if options.multiple_files and output:
parser.error("Cannot specify both --multiple-files and --output")
db = Database(cfg)
dbmap = db.to_map()
if not options.multiple_files:
print(yamldump(dbmap), file=output or sys.stdout)
if output:
output.close()
