Esempio n. 1
0
def run():
    """Command for reflection database objects"""
    parser = OptionParser(
        version=__version__,
        description=__doc__,
    )

    parser.add_option(
        '-u',
        '--url',
        dest='url',
        help='Database URL (connection string)',
    )

    parser.add_option(
        '-r',
        '--render',
        dest='render',
        default='dot',
        choices=['plantuml', 'dot'],
        help='Output format - plantuml or dot',
    )

    parser.add_option(
        '-l',
        '--list',
        dest='list',
        action='store_true',
        help='Output database list of tables and exit',
    )

    parser.add_option(
        '-i',
        '--include',
        dest='include',
        help='List of tables to include through ","',
    )

    parser.add_option(
        '-e',
        '--exclude',
        dest='exclude',
        help='List of tables to exlude through ","',
    )

    (options, args) = parser.parse_args()

    if not options.url:
        print('-u/--url option required')
        exit(1)

    engine = create_engine(options.url)
    meta = MetaData()

    meta.reflect(bind=engine)

    if options.list:
        print('Database tables:')
        tables = sorted(meta.tables.keys())

        def _g(l, i):
            try:
                return tables[i]
            except IndexError:
                return ''

        for i in range(0, len(tables), 2):
            print(' {0}{1}{2}'.format(
                _g(tables, i),
                ' ' * (38 - len(_g(tables, i))),
                _g(tables, i + 1),
            ))

        exit(0)

    tables = set(meta.tables.keys())

    if options.include:
        tables &= set(map(string.strip, options.include.split(',')))

    if options.exclude:
        tables -= set(map(string.strip, options.exclude.split(',')))

    desc = describe(map(lambda x: operator.getitem(meta.tables, x), tables))
    print(getattr(render, options.render)(desc))
Esempio n. 2
0
import tsadisplay as sad
import trump.orm as model

from subprocess import call

desc = sad.describe([getattr(model, attr) for attr in dir(model)])
colors = {
    'ncolor': "lightgray",
    'pcolor': 'Salmon',
    'mcolor': 'lightblue',
    'ccolor': 'SpringGreen'
}
open('schema.dot', 'w').write(sad.dot(desc, colors))
call(["dot", "-Tpng", "schema.dot", "-o", "schema.png"])
Esempio n. 3
0
import tsadisplay as sad
import trump.orm as model

from subprocess import call

desc = sad.describe([getattr(model, attr) for attr in dir(model)])
colors = {'ncolor' : "lightgray", 'pcolor' : 'Salmon', 'mcolor' : 'lightblue', 'ccolor' : 'SpringGreen'}
open('schema.dot', 'w').write(sad.dot(desc, colors))
call(["dot", "-Tpng", "schema.dot", "-o", "schema.png"])

Esempio n. 4
0
def run():
    """Command for reflection database objects"""
    parser = OptionParser(
        version=__version__, description=__doc__,
    )

    parser.add_option(
        '-u', '--url', dest='url',
        help='Database URL (connection string)',
    )

    parser.add_option(
        '-r', '--render', dest='render', default='dot',
        choices=['plantuml', 'dot'],
        help='Output format - plantuml or dot',
    )

    parser.add_option(
        '-l', '--list', dest='list', action='store_true',
        help='Output database list of tables and exit',
    )

    parser.add_option(
        '-i', '--include', dest='include',
        help='List of tables to include through ","',
    )

    parser.add_option(
        '-e', '--exclude', dest='exclude',
        help='List of tables to exlude through ","',
    )

    (options, args) = parser.parse_args()

    if not options.url:
        print('-u/--url option required')
        exit(1)

    engine = create_engine(options.url)
    meta = MetaData()

    meta.reflect(bind=engine)

    if options.list:
        print('Database tables:')
        tables = sorted(meta.tables.keys())

        def _g(l, i):
            try:
                return tables[i]
            except IndexError:
                return ''

        for i in range(0, len(tables), 2):
            print(' {0}{1}{2}'.format(
                _g(tables, i),
                ' ' * (38 - len(_g(tables, i))),
                _g(tables, i + 1),
            ))

        exit(0)

    tables = set(meta.tables.keys())

    if options.include:
        tables &= set(map(string.strip, options.include.split(',')))

    if options.exclude:
        tables -= set(map(string.strip, options.exclude.split(',')))

    desc = describe(map(lambda x: operator.getitem(meta.tables, x), tables))
    print(getattr(render, options.render)(desc))