diff --git a/cli/utils.py b/cli/utils.py
new file mode 100644
index 0000000..23fab7f
--- /dev/null
+++ b/cli/utils.py
@@ -0,0 +1,169 @@
+import os
+import sys
+import requests
+from termcolor import cprint, colored
+from os.path import join as pjoin
+
+
+def p_cookie(cookie):
+    cookie = str(cookie)
+    if len(cookie) > 8:
+        return cookie[:6] + '...'
+    else:
+        return cookie
+
+'''
+    OFPP_NORMAL     = 0x7ffffffa;  /* Forward using non-OpenFlow pipeline. */
+    OFPP_FLOOD      = 0x7ffffffb;  /* Flood using non-OpenFlow pipeline. */
+    OFPP_ALL        = 0x7ffffffc;  /* All standard ports except input port. */
+    OFPP_CONTROLLER = 0x7ffffffd;  /* Send to controller. */
+    OFPP_LOCAL      = 0x7ffffffe;  /* Local openflow "port". */
+    OFPP_ANY        = 0x7fffffff;  /* Special value used in some requests when
+'''
+
+
+def p_port(port):
+    if port & 0x7fffffff == 0x7ffffffa:
+        return 'NORMAL'
+    elif port & 0x7fffffff == 0x7ffffffb:
+        return 'FLOOD'
+    elif port & 0x7fffffff == 0x7ffffffc:
+        return 'ALL'
+    elif port & 0x7fffffff == 0x7ffffffd:
+        return 'CONTROLLER'
+    elif port & 0x7fffffff == 0x7ffffffe:
+        return 'LOCAL'
+    elif port & 0x7fffffff == 0x7fffffff:
+        return 'ANY'
+    else:
+        return str(port)
+
+
+def p_vlan_vid(vlan_vid):
+    if vlan_vid == 0:
+        return 'untagged'
+    assert vlan_vid & 4096 == 4096
+    return str(vlan_vid - 4096)
+
+
+def p_ipv4(x):
+    return '.'.join(str(v) for v in [
+        (x >> 24) & 0xff, (x >> 16) & 0xff, (x >> 8) & 0xff, x & 0xff
+    ])
+
+
+field_printers = {
+    'IN_PORT': lambda f: (100, 'in_port', p_port(f['port'])),
+    'VLAN_VID': lambda f: (101, 'vlan_vid', p_vlan_vid(f['vlan_vid'])),
+    'VLAN_PCP': lambda f: (102, 'vlan_pcp', str(f['vlan_pcp'])),
+    'ETH_TYPE': lambda f: (103, 'eth_type', '%X' % f['eth_type']),
+    'IPV4_DST': lambda f: (104, 'ipv4_dst', p_ipv4(f['ipv4_dst'])),
+    'IP_PROTO': lambda f: (105, 'ip_proto', str(f['ip_proto']))
+}
+
+
+def p_field(field):
+    assert field['oxm_class'].endswith('OPENFLOW_BASIC')
+    ofb = field['ofb_field']
+    assert not ofb['has_mask']
+    type = ofb['type'][len('OFPXMT_OFB_'):]
+    weight, field_name, value = field_printers[type](ofb)
+    return 1000 + weight, 'set_' + field_name, value
+
+
+action_printers = {
+    'SET_FIELD': lambda a: p_field(a['set_field']['field']),
+    'POP_VLAN': lambda a: (2000, 'pop_vlan', 'Yes'),
+    'PUSH_VLAN': lambda a: (2001, 'push_vlan', '%x' % a['push']['ethertype']),
+    'GROUP': lambda a: (3000, 'group', p_port(a['group']['group_id'])),
+    'OUTPUT': lambda a: (4000, 'output', p_port(a['output']['port'])),
+}
+
+
+def print_flows(what, id, type, flows, groups):
+
+    print
+    print ''.join([
+        '{} '.format(what),
+        colored(id, color='green', attrs=['bold']),
+        ' (type: ',
+        colored(type, color='blue'),
+        ')'
+    ])
+    print 'Flows ({}):'.format(len(flows))
+
+    max_field_lengths = {}
+    field_names = {}
+
+    def update_max_length(field_key, string):
+        length = len(string)
+        if length > max_field_lengths.get(field_key, 0):
+            max_field_lengths[field_key] = length
+
+    def add_field_type(field_key, field_name):
+        if field_key not in field_names:
+            field_names[field_key] = field_name
+            update_max_length(field_key, field_name)
+        else:
+            assert field_names[field_key] == field_name
+
+    cell_values = {}
+
+    # preprocess data
+    if not flows:
+        return
+    for i, flow in enumerate(flows):
+
+        def add_field(field_key, field_name, value):
+            add_field_type(field_key, field_name)
+            row = cell_values.setdefault(i, {})
+            row[field_key] = value
+            update_max_length(field_key, value)
+
+        add_field(0, 'table_id', value=str(flow['table_id']))
+        add_field(1, 'priority', value=str(flow['priority']))
+        add_field(2, 'cookie', p_cookie(flow['cookie']))
+
+        assert flow['match']['type'] == 'OFPMT_OXM'
+        for field in flow['match']['oxm_fields']:
+            assert field['oxm_class'].endswith('OPENFLOW_BASIC')
+            ofb = field['ofb_field']
+            assert not ofb['has_mask'], 'masked match not handled yet'  # TODO
+            type = ofb['type'][len('OFPXMT_OFB_'):]
+            add_field(*field_printers[type](ofb))
+
+        for instruction in flow['instructions']:
+            if instruction['type'] == 4:
+                for action in instruction['actions']['actions']:
+                    type = action['type'][len('OFPAT_'):]
+                    add_field(*action_printers[type](action))
+
+    # print header
+    field_keys = sorted(field_names.keys())
+    def p_sep():
+        print '+' + '+'.join(
+            [(max_field_lengths[k] + 2) * '-' for k in field_keys]) + '+'
+
+    p_sep()
+    print '| ' + ' | '.join(
+        '%%%ds' % max_field_lengths[k] % field_names[k]
+        for k in field_keys) + ' |'
+    p_sep()
+
+    # print values
+    for i in xrange(len(flows)):
+        row = cell_values[i]
+        cprint('| ' + ' | '.join(
+            '%%%ds' % max_field_lengths[k] % row.get(k, '')
+            for k in field_keys
+        ) + ' |')
+        if not ((i + 1) % 3):
+            p_sep()
+
+    if ((i + 1) % 3):
+        p_sep()
+
+    # TODO groups TBF
+    assert len(groups) == 0
+
+