commit c7dc8e30b011bea3cc9211e47ca8daf6443ab49f
parent 877644f7325b8abb585c06b2b2bf77a2a59d4c8f
Author: ThomasV <thomasv1@gmx.de>
Date: Thu, 26 Sep 2013 12:04:21 -0700
Merge pull request #320 from rofl0r/readd_guis
Readd text and stdio guis
Diffstat:
| A | gui/stdio.py | | | 252 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | gui/text.py | | | 444 | +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
2 files changed, 696 insertions(+), 0 deletions(-)
diff --git a/gui/stdio.py b/gui/stdio.py
@@ -0,0 +1,252 @@
+from decimal import Decimal
+_ = lambda x:x
+#from i18n import _
+from electrum import mnemonic_encode, WalletStorage, Wallet
+from electrum.util import format_satoshis, set_verbosity
+from electrum.bitcoin import is_valid
+from electrum.network import filter_protocol
+import sys, getpass, datetime
+
+# minimal fdisk like gui for console usage
+# written by rofl0r, with some bits stolen from the text gui (ncurses)
+
+class ElectrumGui:
+
+ def __init__(self, config, network):
+ self.network = network
+ self.config = config
+ storage = WalletStorage(config)
+ if not storage.file_exists:
+ print "Wallet not found. try 'electrum create'"
+ exit()
+
+ self.done = 0
+ self.last_balance = ""
+
+ set_verbosity(False)
+
+ self.str_recipient = ""
+ self.str_description = ""
+ self.str_amount = ""
+ self.str_fee = ""
+
+ self.wallet = Wallet(storage)
+ self.wallet.start_threads(network)
+
+ self.wallet.network.register_callback('updated', self.updated)
+ self.wallet.network.register_callback('connected', self.connected)
+ self.wallet.network.register_callback('disconnected', self.disconnected)
+ self.wallet.network.register_callback('disconnecting', self.disconnecting)
+ self.wallet.network.register_callback('peers', self.peers)
+ self.wallet.network.register_callback('banner', self.print_banner)
+ self.commands = [_("[h] - displays this help text"), \
+ _("[i] - display transaction history"), \
+ _("[o] - enter payment order"), \
+ _("[p] - print stored payment order"), \
+ _("[s] - send stored payment order"), \
+ _("[r] - show own receipt addresses"), \
+ _("[c] - display contacts"), \
+ _("[b] - print server banner"), \
+ _("[q] - quit") ]
+ self.num_commands = len(self.commands)
+
+ def main_command(self):
+ self.print_balance()
+ c = raw_input("enter command: ")
+ if c == "h" : self.print_commands()
+ elif c == "i" : self.print_history()
+ elif c == "o" : self.enter_order()
+ elif c == "p" : self.print_order()
+ elif c == "s" : self.send_order()
+ elif c == "r" : self.print_addresses()
+ elif c == "c" : self.print_contacts()
+ elif c == "b" : self.print_banner()
+ elif c == "n" : self.network_dialog()
+ elif c == "e" : self.settings_dialog()
+ elif c == "q" : self.done = 1
+ else: self.print_commands()
+
+ def peers(self):
+ print("got peers list:")
+ l = filter_protocol(self.wallet.network.get_servers(), 's')
+ for s in l:
+ print (s)
+
+ def connected(self):
+ print ("connected")
+
+ def disconnected(self):
+ print ("disconnected")
+
+ def disconnecting(self):
+ print ("disconnecting")
+
+ def updated(self):
+ s = self.get_balance()
+ if s != self.last_balance:
+ print(s)
+ self.last_balance = s
+ return True
+
+ def print_commands(self):
+ self.print_list(self.commands, "Available commands")
+
+ def print_history(self):
+ width = [20, 40, 14, 14]
+ delta = (80 - sum(width) - 4)/3
+ format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%" \
+ + "%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s"
+ b = 0
+ messages = []
+
+ for item in self.wallet.get_tx_history():
+ tx_hash, confirmations, is_mine, value, fee, balance, timestamp = item
+ if confirmations:
+ try:
+ time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
+ except:
+ time_str = "unknown"
+ else:
+ time_str = 'pending'
+
+ label, is_default_label = self.wallet.get_label(tx_hash)
+ messages.append( format_str%( time_str, label, format_satoshis(value, whitespaces=True), format_satoshis(balance, whitespaces=True) ) )
+
+ self.print_list(messages[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance")))
+
+
+ def print_balance(self):
+ print(self.get_balance())
+
+ def get_balance(self):
+ if self.wallet.network.interface and self.wallet.network.interface.is_connected:
+ if not self.wallet.up_to_date:
+ msg = _( "Synchronizing..." )
+ else:
+ c, u = self.wallet.get_balance()
+ msg = _("Balance")+": %f "%(Decimal( c ) / 100000000)
+ if u: msg += " [%f unconfirmed]"%(Decimal( u ) / 100000000)
+ else:
+ msg = _( "Not connected" )
+
+ return(msg)
+
+
+ def print_contacts(self):
+ messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addressbook)
+ self.print_list(messages, "%19s %25s "%("Address", "Label"))
+
+ def print_addresses(self):
+ messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addresses())
+ self.print_list(messages, "%19s %25s "%("Address", "Label"))
+
+ def print_order(self):
+ print("send order to " + self.str_recipient + ", amount: " + self.str_amount \
+ + "\nfee: " + self.str_fee + ", desc: " + self.str_description)
+
+ def enter_order(self):
+ self.str_recipient = raw_input("Pay to: ")
+ self.str_description = raw_input("Description : ")
+ self.str_amount = raw_input("Amount: ")
+ self.str_fee = raw_input("Fee: ")
+
+ def send_order(self):
+ self.do_send()
+
+ def print_banner(self):
+ for i, x in enumerate( self.wallet.network.banner.split('\n') ):
+ print( x )
+
+ def print_list(self, list, firstline):
+ self.maxpos = len(list)
+ if not self.maxpos: return
+ print(firstline)
+ for i in range(self.maxpos):
+ msg = list[i] if i < len(list) else ""
+ print(msg)
+
+
+ def main(self,url):
+ while self.done == 0: self.main_command()
+
+ def do_send(self):
+ if not is_valid(self.str_recipient):
+ print(_('Invalid Bitcoin address'))
+ return
+ try:
+ amount = int( Decimal( self.str_amount) * 100000000 )
+ except:
+ print(_('Invalid Amount'))
+ return
+ try:
+ fee = int( Decimal( self.str_fee) * 100000000 )
+ except:
+ print(_('Invalid Fee'))
+ return
+
+ if self.wallet.use_encryption:
+ password = self.password_dialog()
+ if not password:
+ return
+ else:
+ password = None
+
+ c = ""
+ while c != "y":
+ c = raw_input("ok to send (y/n)?")
+ if c == "n": return
+
+ try:
+ tx = self.wallet.mktx( [(self.str_recipient, amount)], password, fee)
+ except BaseException, e:
+ print(str(e))
+ return
+
+ if self.str_description:
+ self.wallet.labels[tx.hash()] = self.str_description
+
+ h = self.wallet.send_tx(tx)
+ print(_("Please wait..."))
+ self.wallet.tx_event.wait()
+ status, msg = self.wallet.receive_tx( h )
+
+ if status:
+ print(_('Payment sent.'))
+ #self.do_clear()
+ #self.update_contacts_tab()
+ else:
+ print(_('Error'))
+
+ def network_dialog(self):
+ print("use 'electrum setconfig server/proxy' to change your network settings")
+ return True
+
+
+ def settings_dialog(self):
+ print("use 'electrum setconfig' to change your settings")
+ return True
+
+ def password_dialog(self):
+ return getpass.getpass()
+
+
+# XXX unused
+
+ def run_receive_tab(self, c):
+ #if c == 10:
+ # out = self.run_popup('Address', ["Edit label", "Freeze", "Prioritize"])
+ return
+
+ def run_contacts_tab(self, c):
+ pass
+# if c == 10 and self.wallet.addressbook:
+# out = self.run_popup('Adress', ["Copy", "Pay to", "Edit label", "Delete"]).get('button')
+# address = self.wallet.addressbook[self.pos%len(self.wallet.addressbook)]
+# if out == "Pay to":
+# self.tab = 1
+# self.str_recipient = address
+# self.pos = 2
+# elif out == "Edit label":
+# s = self.get_string(6 + self.pos, 18)
+# if s:
+# self.wallet.labels[address] = s
diff --git a/gui/text.py b/gui/text.py
@@ -0,0 +1,444 @@
+import curses, datetime
+from decimal import Decimal
+_ = lambda x:x
+#from i18n import _
+from electrum.util import format_satoshis, set_verbosity
+from electrum.bitcoin import is_valid
+
+from electrum import Wallet, WalletStorage
+
+import tty, sys
+
+
+class ElectrumGui:
+
+ def __init__(self, config, network):
+
+ self.config = config
+ self.network = network
+ storage = WalletStorage(config)
+ if not storage.file_exists:
+ print "Wallet not found. try 'electrum create'"
+ exit()
+
+ self.wallet = Wallet(storage)
+ self.wallet.start_threads(network)
+
+ self.stdscr = curses.initscr()
+ curses.noecho()
+ curses.cbreak()
+ curses.start_color()
+ curses.use_default_colors()
+ curses.init_pair(1, curses.COLOR_WHITE, curses.COLOR_BLUE)
+ curses.init_pair(2, curses.COLOR_WHITE, curses.COLOR_CYAN)
+ self.stdscr.keypad(1)
+ self.stdscr.border(0)
+ self.maxy, self.maxx = self.stdscr.getmaxyx()
+ self.set_cursor(0)
+ self.w = curses.newwin(10, 50, 5, 5)
+
+ set_verbosity(False)
+ self.tab = 0
+ self.pos = 0
+ self.popup_pos = 0
+
+ self.str_recipient = ""
+ self.str_description = ""
+ self.str_amount = ""
+ self.str_fee = ""
+
+ self.network.register_callback('updated', self.refresh)
+ self.network.register_callback('connected', self.refresh)
+ self.network.register_callback('disconnected', self.refresh)
+ self.network.register_callback('disconnecting', self.refresh)
+ self.tab_names = [_("History"), _("Send"), _("Receive"), _("Contacts"), _("Wall")]
+ self.num_tabs = len(self.tab_names)
+
+
+ def set_cursor(self, x):
+ try:
+ curses.curs_set(x)
+ except:
+ pass
+
+ def restore_or_create(self):
+ pass
+
+ def verify_seed(self):
+ pass
+
+ def get_string(self, y, x):
+ self.set_cursor(1)
+ curses.echo()
+ self.stdscr.addstr( y, x, " "*20, curses.A_REVERSE)
+ s = self.stdscr.getstr(y,x)
+ curses.noecho()
+ self.set_cursor(0)
+ return s
+
+
+ def print_history(self):
+ width = [20, 40, 14, 14]
+ delta = (self.maxx - sum(width) - 4)/3
+ format_str = "%"+"%d"%width[0]+"s"+"%"+"%d"%(width[1]+delta)+"s"+"%"+"%d"%(width[2]+delta)+"s"+"%"+"%d"%(width[3]+delta)+"s"
+
+ b = 0
+ messages = []
+
+ for item in self.wallet.get_tx_history():
+ tx_hash, conf, is_mine, value, fee, balance, timestamp = item
+ if conf:
+ try:
+ time_str = datetime.datetime.fromtimestamp( timestamp).isoformat(' ')[:-3]
+ except:
+ time_str = "------"
+ else:
+ time_str = 'pending'
+
+ label, is_default_label = self.wallet.get_label(tx_hash)
+ messages.append( format_str%( time_str, label, format_satoshis(value, whitespaces=True), format_satoshis(balance, whitespaces=True) ) )
+
+ self.print_list(messages[::-1], format_str%( _("Date"), _("Description"), _("Amount"), _("Balance")))
+
+
+ def print_balance(self):
+ if self.network.interface and self.network.interface.is_connected:
+ if not self.wallet.up_to_date:
+ msg = _( "Synchronizing..." )
+ else:
+ c, u = self.wallet.get_balance()
+ msg = _("Balance")+": %f "%(Decimal( c ) / 100000000)
+ if u: msg += " [%f unconfirmed]"%(Decimal( u ) / 100000000)
+ else:
+ msg = _( "Not connected" )
+
+ self.stdscr.addstr( self.maxy -1, 3, msg)
+
+ for i in range(self.num_tabs):
+ self.stdscr.addstr( 0, 2 + 2*i + len(''.join(self.tab_names[0:i])), ' '+self.tab_names[i]+' ', curses.A_BOLD if self.tab == i else 0)
+
+ self.stdscr.addstr( self.maxy -1, self.maxx-30, ' '.join([_("Settings"), _("Network"), _("Quit")]))
+
+
+ def print_contacts(self):
+ messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addressbook)
+ self.print_list(messages, "%19s %25s "%("Address", "Label"))
+
+ def print_receive(self):
+ messages = map(lambda addr: "%30s %30s "%(addr, self.wallet.labels.get(addr,"")), self.wallet.addresses())
+ self.print_list(messages, "%19s %25s "%("Address", "Label"))
+
+ def print_edit_line(self, y, label, text, index, size):
+ text += " "*(size - len(text) )
+ self.stdscr.addstr( y, 2, label)
+ self.stdscr.addstr( y, 15, text, curses.A_REVERSE if self.pos%6==index else curses.color_pair(1))
+
+ def print_send_tab(self):
+ self.stdscr.clear()
+ self.print_edit_line(3, _("Pay to"), self.str_recipient, 0, 40)
+ self.print_edit_line(5, _("Description"), self.str_description, 1, 40)
+ self.print_edit_line(7, _("Amount"), self.str_amount, 2, 15)
+ self.print_edit_line(9, _("Fee"), self.str_fee, 3, 15)
+ self.stdscr.addstr( 12, 15, _("[Send]"), curses.A_REVERSE if self.pos%6==4 else curses.color_pair(2))
+ self.stdscr.addstr( 12, 25, _("[Clear]"), curses.A_REVERSE if self.pos%6==5 else curses.color_pair(2))
+
+ def print_banner(self):
+ for i, x in enumerate( self.network.banner.split('\n') ):
+ self.stdscr.addstr( 1+i, 1, x )
+
+ def print_list(self, list, firstline):
+ self.maxpos = len(list)
+ if not self.maxpos: return
+ firstline += " "*(self.maxx -2 - len(firstline))
+ self.stdscr.addstr( 1, 1, firstline )
+ for i in range(self.maxy-4):
+ msg = list[i] if i < len(list) else ""
+ msg += " "*(self.maxx - 2 - len(msg))
+ self.stdscr.addstr( i+2, 1, msg[0:self.maxx - 2], curses.A_REVERSE if i == (self.pos % self.maxpos) else 0)
+
+ def refresh(self):
+ if self.tab == -1: return
+ self.stdscr.border(0)
+ self.print_balance()
+ self.stdscr.refresh()
+
+ def main_command(self):
+ c = self.stdscr.getch()
+ print c
+ if c == curses.KEY_RIGHT: self.tab = (self.tab + 1)%self.num_tabs
+ elif c == curses.KEY_LEFT: self.tab = (self.tab - 1)%self.num_tabs
+ elif c == curses.KEY_DOWN: self.pos +=1
+ elif c == curses.KEY_UP: self.pos -= 1
+ elif c == 9: self.pos +=1 # tab
+ elif curses.unctrl(c) in ['^W', '^C', '^X', '^Q']: self.tab = -1
+ elif curses.unctrl(c) in ['^N']: self.network_dialog()
+ elif curses.unctrl(c) == '^S': self.settings_dialog()
+ else: return c
+ if self.pos<0: self.pos=0
+ if self.pos>=self.maxpos: self.pos=self.maxpos - 1
+
+ def run_tab(self, i, print_func, exec_func):
+ while self.tab == i:
+ self.stdscr.clear()
+ print_func()
+ self.refresh()
+ c = self.main_command()
+ if c: exec_func(c)
+
+
+ def run_history_tab(self, c):
+ if c == 10:
+ out = self.run_popup('',["blah","foo"])
+
+
+ def edit_str(self, target, c, is_num=False):
+ # detect backspace
+ if c in [8, 127, 263] and target:
+ target = target[:-1]
+ elif not is_num or curses.unctrl(c) in '0123456789.':
+ target += curses.unctrl(c)
+ return target
+
+
+ def run_send_tab(self, c):
+ if self.pos%6 == 0:
+ self.str_recipient = self.edit_str(self.str_recipient, c)
+ if self.pos%6 == 1:
+ self.str_description = self.edit_str(self.str_description, c)
+ if self.pos%6 == 2:
+ self.str_amount = self.edit_str(self.str_amount, c, True)
+ elif self.pos%6 == 3:
+ self.str_fee = self.edit_str(self.str_fee, c, True)
+ elif self.pos%6==4:
+ if c == 10: self.do_send()
+ elif self.pos%6==5:
+ if c == 10: self.do_clear()
+
+
+ def run_receive_tab(self, c):
+ if c == 10:
+ out = self.run_popup('Address', ["Edit label", "Freeze", "Prioritize"])
+
+ def run_contacts_tab(self, c):
+ if c == 10 and self.wallet.addressbook:
+ out = self.run_popup('Adress', ["Copy", "Pay to", "Edit label", "Delete"]).get('button')
+ address = self.wallet.addressbook[self.pos%len(self.wallet.addressbook)]
+ if out == "Pay to":
+ self.tab = 1
+ self.str_recipient = address
+ self.pos = 2
+ elif out == "Edit label":
+ s = self.get_string(6 + self.pos, 18)
+ if s:
+ self.wallet.labels[address] = s
+
+ def run_banner_tab(self, c):
+ self.show_message(repr(c))
+ pass
+
+ def main(self,url):
+
+ tty.setraw(sys.stdin)
+ while self.tab != -1:
+ self.run_tab(0, self.print_history, self.run_history_tab)
+ self.run_tab(1, self.print_send_tab, self.run_send_tab)
+ self.run_tab(2, self.print_receive, self.run_receive_tab)
+ self.run_tab(3, self.print_contacts, self.run_contacts_tab)
+ self.run_tab(4, self.print_banner, self.run_banner_tab)
+
+ tty.setcbreak(sys.stdin)
+ curses.nocbreak()
+ self.stdscr.keypad(0)
+ curses.echo()
+ curses.endwin()
+
+
+ def do_clear(self):
+ self.str_amount = ''
+ self.str_recipient = ''
+ self.str_fee = ''
+ self.str_description = ''
+
+ def do_send(self):
+ if not is_valid(self.str_recipient):
+ self.show_message(_('Invalid Bitcoin address'))
+ return
+ try:
+ amount = int( Decimal( self.str_amount) * 100000000 )
+ except:
+ self.show_message(_('Invalid Amount'))
+ return
+ try:
+ fee = int( Decimal( self.str_fee) * 100000000 )
+ except:
+ self.show_message(_('Invalid Fee'))
+ return
+
+ if self.wallet.use_encryption:
+ password = self.password_dialog()
+ if not password:
+ return
+ else:
+ password = None
+
+ try:
+ tx = self.wallet.mktx( [(self.str_recipient, amount)], password, fee)
+ except BaseException, e:
+ self.show_message(str(e))
+ return
+
+ if self.str_description:
+ self.wallet.labels[tx.hash()] = self.str_description
+
+ h = self.wallet.send_tx(tx)
+ self.show_message(_("Please wait..."), getchar=False)
+ self.wallet.tx_event.wait()
+ status, msg = self.wallet.receive_tx( h )
+
+ if status:
+ self.show_message(_('Payment sent.'))
+ self.do_clear()
+ #self.update_contacts_tab()
+ else:
+ self.show_message(_('Error'))
+
+
+ def show_message(self, message, getchar = True):
+ w = self.w
+ w.clear()
+ w.border(0)
+ w.addstr(2,2,message)
+ w.refresh()
+ if getchar: c = self.stdscr.getch()
+
+
+ def run_popup(self, title, items):
+ return self.run_dialog(title, map(lambda x: {'type':'button','label':x}, items), interval=1, y_pos = self.pos+3)
+
+
+ def network_dialog(self):
+ out = self.run_dialog('Network', [
+ {'label':'server', 'type':'str', 'value':self.network.interface.server},
+ {'label':'proxy', 'type':'str', 'value':self.config.get('proxy', '')},
+ ], buttons = 1)
+ if out:
+ if out.get('server'):
+ server = out.get('server')
+ if out.get('proxy'):
+ proxy = self.parse_proxy_options(out.get('proxy'))
+ else:
+ proxy = None
+
+ self.wallet.config.set_key("proxy", proxy, True)
+ self.wallet.config.set_key("server", server, True)
+ self.network.interface.set_server(server, proxy)
+
+
+
+ def settings_dialog(self):
+ out = self.run_dialog('Settings', [
+ {'label':'Default GUI', 'type':'list', 'choices':['classic','lite','gtk','text'], 'value':self.config.get('gui')},
+ {'label':'Default fee', 'type':'satoshis', 'value': format_satoshis(self.wallet.fee).strip() }
+ ], buttons = 1)
+ if out:
+ if out.get('Default GUI'):
+ self.config.set_key('gui', out['Default GUI'], True)
+ if out.get('Default fee'):
+ fee = int ( Decimal( out['Default fee']) *10000000 )
+ self.config.set_key('fee_per_kb', fee, True)
+
+
+ def password_dialog(self):
+ out = self.run_dialog('Password', [
+ {'label':'Password', 'type':'password', 'value':''}
+ ], buttons = 1)
+ return out.get('Password')
+
+
+ def run_dialog(self, title, items, interval=2, buttons=None, y_pos=3):
+ self.popup_pos = 0
+
+ self.w = curses.newwin( 5 + len(items)*interval + (2 if buttons else 0), 50, y_pos, 5)
+ w = self.w
+ out = {}
+ while True:
+ w.clear()
+ w.border(0)
+ w.addstr( 0, 2, title)
+
+ num = len(items)
+
+ numpos = num
+ if buttons: numpos += 2
+
+ for i in range(num):
+ item = items[i]
+ label = item.get('label')
+ if item.get('type') == 'list':
+ value = item.get('value','')
+ elif item.get('type') == 'satoshis':
+ value = item.get('value','')
+ elif item.get('type') == 'str':
+ value = item.get('value','')
+ elif item.get('type') == 'password':
+ value = '*'*len(item.get('value',''))
+ else:
+ value = ''
+
+ if len(value)<20: value += ' '*(20-len(value))
+
+ if item.has_key('value'):
+ w.addstr( 2+interval*i, 2, label)
+ w.addstr( 2+interval*i, 15, value, curses.A_REVERSE if self.popup_pos%numpos==i else curses.color_pair(1) )
+ else:
+ w.addstr( 2+interval*i, 2, label, curses.A_REVERSE if self.popup_pos%numpos==i else 0)
+
+ if buttons:
+ w.addstr( 5+interval*i, 10, "[ ok ]", curses.A_REVERSE if self.popup_pos%numpos==(numpos-2) else curses.color_pair(2))
+ w.addstr( 5+interval*i, 25, "[cancel]", curses.A_REVERSE if self.popup_pos%numpos==(numpos-1) else curses.color_pair(2))
+
+ w.refresh()
+
+ c = self.stdscr.getch()
+ if c in [ord('q'), 27]: break
+ elif c in [curses.KEY_LEFT, curses.KEY_UP]: self.popup_pos -= 1
+ elif c in [curses.KEY_RIGHT, curses.KEY_DOWN]: self.popup_pos +=1
+ else:
+ i = self.popup_pos%numpos
+ if buttons and c==10:
+ if i == numpos-2:
+ return out
+ elif i == numpos -1:
+ return {}
+
+ item = items[i]
+ _type = item.get('type')
+
+ if _type == 'str':
+ item['value'] = self.edit_str(item['value'], c)
+ out[item.get('label')] = item.get('value')
+
+ elif _type == 'password':
+ item['value'] = self.edit_str(item['value'], c)
+ out[item.get('label')] = item ['value']
+
+ elif _type == 'satoshis':
+ item['value'] = self.edit_str(item['value'], c, True)
+ out[item.get('label')] = item.get('value')
+
+ elif _type == 'list':
+ choices = item.get('choices')
+ try:
+ j = choices.index(item.get('value'))
+ except:
+ j = 0
+ new_choice = choices[(j + 1)% len(choices)]
+ item['value'] = new_choice
+ out[item.get('label')] = item.get('value')
+
+ elif _type == 'button':
+ out['button'] = item.get('label')
+ break
+
+ return out
+
