示例#1
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 def multipleOf(self, arg):
     # You'd think we could do a mod here, but it has to work for
     # floats too apparently. So we check if dividing results in a
     # whole number instead
     return (
         lambda v: r.do(v.div(arg), lambda r: r.floor() == r),
         'must be a multiple of %s' % (arg, ),
     )
示例#2
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 def check(v):
     if isinstance(items, dict):
         print('going to validate', items)
         return v.filter(lambda x: ~validate(items)(x)).is_empty()
     elif isinstance(items, list):
         return r.and_(*[
             r.do(v.nth(i), validator)
             for i, validator in enumerate(map(validate, items))
         ])
示例#3
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 def test_do_three(self, conn):
     base = r.db('generic').table('table')
     result = r.do(
         base.get('one'),
         base.get('two'),
         base.get('three'),
         lambda d1, d2, d3: [d1['name'], d2['name'], d3['name']]
     ).run(conn)
     assertEqual(['One', 'Two', 'Three'], result)
示例#4
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 def prop_check(v):
     props = []
     for prop, prop_schema in arg.items():
         sub_path = self.path + '/' + prop
         props.append(
             r.branch(
                 v.has_fields(prop),
                 r.do(v[prop], validate(prop_schema, sub_path)),
                 True,
             ))
     return r.and_(*props)
示例#5
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 def get_top_assets_by_s2vol(self, q, asset_num):
     return q.group('baseAsset')\
     .map((r.row['close'], r.row['quoteAssetVolume'])).map(lambda x: {
         'count': 1,
         'sum': x[0],
         'vol': x[1],
         'diff': 0
     })\
     .reduce(lambda a, b: {
         'count': r.add(a['count'], b['count']),
         'sum': r.add(a['sum'], b['sum']),
         'vol': r.add(a['vol'], b['vol']),
         'diff': r.add(
             a['diff'],
             b['diff'],
             r.do(
             r.sub(a['sum'].div(a['count']), b['sum'].div(b['count'])),
             r.div(a['count'].mul(b['count']), a['count'].add(b['count'])),
             lambda avgdelta, weight: r.mul(avgdelta, avgdelta, weight)
             )
         )
     })\
     .ungroup()\
     .map(lambda g: {
         'asset': g['group'],
         'count': g['reduction']['count'],
         'sum': g['reduction']['sum'],
         'vol': g['reduction']['vol'],
         's2': r.branch(g['reduction']['count'].gt(1), r.div(g['reduction']['diff'], g['reduction']['count'].sub(1)), 0)
     })\
     .merge(lambda d: r.do(
         r.div(d['sum'], d['count']),
         r.mul(d['vol'], d['s2']),
         lambda avg, s2vol: {
         'avg': avg,
         's2vol': s2vol,
     }))\
     .order_by(r.desc('s2vol'))\
     .limit(asset_num)\
     .pluck('asset')\
     .map(lambda a:a['asset'])
示例#6
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 def get_top_assets_by_s2(self, q, asset_num):
     return q.group('base_asset')\
     .map(r.row['close']).map(lambda x: {
     'count': 1,
     'sum': x,
     'min': x,
     'max': x,
     'diff': 0 # M2,n:  sum((val-mean)^2)
     }).reduce(lambda a, b: {
     'count': r.add(a['count'], b['count']),
     'sum': r.add(a['sum'], b['sum']),
     'min': r.branch(a['min'].lt(b['min']), a['min'], b['min']),
     'max': r.branch(a['max'].gt(b['max']), a['max'], b['max']),
     'diff': r.add(
         a['diff'],
         b['diff'],
         r.do(
         r.sub(a['sum'].div(a['count']), b['sum'].div(b['count'])),
         r.div(a['count'].mul(b['count']), a['count'].add(b['count'])),
         lambda avgdelta, weight: r.mul(avgdelta, avgdelta, weight)
         )
     )
     }).ungroup().map(lambda g: {
         'asset': g['group'],
         'count': g['reduction']['count'],
         'sum': g['reduction']['sum'],
         'min': g['reduction']['min'],
         'max': g['reduction']['max'],
         's2': r.branch(g['reduction']['count'].gt(1), r.div(g['reduction']['diff'], g['reduction']['count'].sub(1)), 0)
         }).merge(lambda d: r.do(
         r.div(d['sum'], d['count']),
         lambda avg: {
         'avg': avg,
     }))\
     .order_by(r.desc('s2'))\
     .limit(asset_num)\
     .pluck('asset')\
     .map(lambda a:a['asset'])
示例#7
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def main(match, print_success):
    conn = r.connect()
    results = {}
    for testfilename in glob.glob(TESTFILES + match + '*.json'):
        name = basename(testfilename).rsplit('.', 1)[0]
        results[name] = {"passed": 0, "failed": 0}
        click.secho(name, bold=True)
        with open(testfilename) as testfile:
            test_definitions = json.load(testfile)
        for td in test_definitions:
            click.secho(' ' + td['description'], bold=True, fg='yellow')
            try:
                schema_filter = r.expr(validate(td['schema']))
            except NotImplementedError as nie:
                num_failed = len(td['tests'])
                click.secho('  schema had unimplemented keyword "%s" '
                            'autofailed %s tests' % (
                                nie.args[0], num_failed),
                            fg='red', bold=True)
                results[name]['failed'] += num_failed
                continue
            for test in td['tests']:
                passed = False
                try:
                    result = r.do(test['data'], schema_filter).run(conn)
                    passed = result is test['valid']
                except r.ReqlError as re:
                    passed = test['valid'] is False
                click.echo('  ' + test['description'] + ': ', nl=False)
                if passed:
                    click.secho('passed', fg='green')
                    results[name]['passed'] += 1
                    if print_success:
                        click.echo('    Data: ' + json.dumps(test['data']))
                        click.echo('    Schema: ' + json.dumps(td['schema']))
                        click.echo('    ReQL: ' + str(r.expr(schema_filter)))
                else:
                    click.secho('failed', fg='red', bold=True)
                    results[name]['failed'] += 1
                    click.echo('    Data: ' + json.dumps(test['data']))
                    click.echo('    Schema: ' + json.dumps(td['schema']))
                    click.echo('    ReQL: ' + str(r.expr(schema_filter)))
    summary(results)
示例#8
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 def test_do_three(self, conn):
     base = r.db('generic').table('table')
     result = r.do(
         base.get('one'), base.get('two'), base.get('three'),
         lambda d1, d2, d3: [d1['name'], d2['name'], d3['name']]).run(conn)
     assertEqual(['One', 'Two', 'Three'], result)
示例#9
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 def test_do_simple_2(self, conn):
     result = r.do(
         r.db('generic').table('table').get('two'),
         lambda d: d['name']).run(conn)
     assertEqual('Two', result)
示例#10
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 def test_do_simple_2(self, conn):
     result = r.do(r.db('generic').table('table').get('two'),
         lambda d: d['name']
     ).run(conn)
     assertEqual('Two', result)