electrum

Electrum Bitcoin wallet
git clone https://git.parazyd.org/electrum
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commit 9b247c1653640106bd63e0e359e2ccc6d9479fbd
parent 5e146b428c89b0926fc1f2b8ea10b4a0ab728af6
Author: ThomasV <thomasv1@gmx.de>
Date:   Tue, 12 Nov 2013 22:28:11 -0800

Merge pull request #404 from WyseNynja/flake8_electrum

flake8 cleanup of ./electrum
Diffstat:
Melectrum | 114+++++++++++++++++++++++++++++++++++++++++--------------------------------------
1 file changed, 59 insertions(+), 55 deletions(-)

diff --git a/electrum b/electrum @@ -16,21 +16,22 @@ # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. -import re -import pkgutil -import sys, os, time, json -import optparse -import platform from decimal import Decimal +import json +import optparse +import os +import re +import sys +import time import traceback try: - import ecdsa + import ecdsa # todo: 'ecdsa' imported but unused except ImportError: sys.exit("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'") try: - import aes + import aes # todo: 'aes' imported but unused except ImportError: sys.exit("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'") @@ -47,7 +48,8 @@ if __builtin__.use_local_modules: imp.load_module('electrum', *imp.find_module('lib')) imp.load_module('electrum_gui', *imp.find_module('gui')) -from electrum import * +from electrum import * # todo: import * is generally frowned upon. should import just what is used + # get password routine def prompt_password(prompt, confirm=True): @@ -64,9 +66,10 @@ def prompt_password(prompt, confirm=True): password = None return password + def arg_parser(): - usage = "%prog [options] command" - parser = optparse.OptionParser(prog=usage, add_help_option = False) + usage = "%prog [options] command" + parser = optparse.OptionParser(prog=usage, add_help_option=False) parser.add_option("-h", "--help", action="callback", callback=print_help_cb, help="show this help text") parser.add_option("-g", "--gui", dest="gui", help="User interface: qt, lite, gtk, text or stdio") parser.add_option("-w", "--wallet", dest="wallet_path", help="wallet path (default: electrum.dat)") @@ -88,6 +91,7 @@ def arg_parser(): parser.add_option("-1", "--oneserver", action="store_true", dest="oneserver", default=False, help="connect to one server only") return parser + def print_help(parser): parser.print_help() print_msg("Type 'electrum help <command>' to see the help for a specific command") @@ -95,17 +99,18 @@ def print_help(parser): run_command('help') exit(1) + def print_help_cb(self, opt, value, parser): print_help(parser) -def run_command(cmd, password = None, args = []): + +def run_command(cmd, password=None, args=[]): cmd_runner = Commands(wallet, network) func = getattr(cmd_runner, cmd) cmd_runner.password = password try: result = func(*args[1:]) - except Exception as e: - import traceback + except Exception: traceback.print_exc(file=sys.stdout) sys.exit(1) @@ -124,36 +129,42 @@ if __name__ == '__main__': # config is an object passed to the various constructors (wallet, interface, gui) if is_android: - config_options = {'portable':True, 'verbose':True, 'gui':'android', 'auto_cycle':True} + config_options = { + 'portable': True, + 'verbose': True, + 'gui': 'android', + 'auto_cycle': True, + } else: config_options = eval(str(options)) for k, v in config_options.items(): - if v is None: config_options.pop(k) + if v is None: + config_options.pop(k) set_verbosity(config_options.get('verbose')) config = SimpleConfig(config_options) - if len(args)==0: + if len(args) == 0: url = None cmd = 'gui' - elif len(args)==1 and re.match('^bitcoin:', args[0]): + elif len(args) == 1 and re.match('^bitcoin:', args[0]): url = args[0] cmd = 'gui' else: cmd = args[0] - if cmd == 'gui': - gui_name = config.get('gui','classic') - if gui_name in ['lite', 'classic']: gui_name = 'qt' + gui_name = config.get('gui', 'classic') + if gui_name in ['lite', 'classic']: + gui_name = 'qt' try: gui = __import__('electrum_gui.' + gui_name, fromlist=['electrum_gui']) except ImportError: traceback.print_exc(file=sys.stdout) sys.exit() #sys.exit("Error: Unknown GUI: " + gui_name ) - + # network interface if not options.offline: network = Network(config) @@ -163,12 +174,12 @@ if __name__ == '__main__': gui = gui.ElectrumGui(config, network) gui.main(url) - + if network: network.stop() # we use daemon threads, their termination is enforced. - # this sleep command gives them time to terminate cleanly. + # this sleep command gives them time to terminate cleanly. time.sleep(0.1) sys.exit(0) @@ -189,11 +200,11 @@ if __name__ == '__main__': print_msg("Error: Wallet file not found.") print_msg("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option") sys.exit(0) - + if cmd.name in ['create', 'restore']: if storage.file_exists: sys.exit("Error: Remove the existing wallet first!") - if options.password != None: + if options.password is not None: password = options.password else: password = prompt_password("Password (hit return if you do not wish to encrypt your wallet):") @@ -204,24 +215,26 @@ if __name__ == '__main__': if not config.get('server'): config.set_key('server', pick_random_server()) - fee = options.tx_fee if options.tx_fee else raw_input("fee (default:%s):"%( str(Decimal(wallet.fee)/100000000)) ) + fee = options.tx_fee if options.tx_fee else raw_input("fee (default:%s):" % (str(Decimal(wallet.fee)/100000000))) gap = options.gap_limit if options.gap_limit else raw_input("gap limit (default 5):") - if fee: wallet.set_fee(float(fee)*100000000) - if gap: wallet.change_gap_limit(int(gap)) + if fee: + wallet.set_fee(float(fee)*100000000) + if gap: + wallet.change_gap_limit(int(gap)) if cmd.name == 'restore': import getpass - seed = getpass.getpass(prompt = "seed:", stream = None) if options.concealed else raw_input("seed:") + seed = getpass.getpass(prompt="seed:", stream=None) if options.concealed else raw_input("seed:") try: seed.decode('hex') except Exception: print_error("Warning: Not hex, trying decode.") - seed = mnemonic_decode( seed.split(' ') ) + seed = mnemonic_decode(seed.split(' ')) if not seed: sys.exit("Error: No seed") - wallet.init_seed( str(seed) ) + wallet.init_seed(str(seed)) wallet.save_seed() if not options.offline: network = Network(config) @@ -243,19 +256,17 @@ if __name__ == '__main__': wallet.init_seed(None) wallet.save_seed() wallet.synchronize() - print_msg("Your wallet generation seed is:\n\"%s\""% wallet.get_mnemonic(None)) + print_msg("Your wallet generation seed is:\n\"%s\"" % wallet.get_mnemonic(None)) print_msg("Please keep it in a safe place; if you lose it, you will not be able to restore your wallet.") - print_msg("Wallet saved in '%s'"%wallet.storage.path) - + print_msg("Wallet saved in '%s'" % wallet.storage.path) + if password: wallet.update_password(None, password) # terminate sys.exit(0) - - # important warning if cmd.name in ['dumpprivkey', 'dumpprivkeys']: print_msg("WARNING: ALL your private keys are secret.") @@ -281,7 +292,6 @@ if __name__ == '__main__': else: password = None - # add missing arguments, do type conversions if cmd.name == 'importprivkey': # See if they specificed a key on the cmd line, if not prompt @@ -289,21 +299,21 @@ if __name__ == '__main__': args[1] = prompt_password('Enter PrivateKey (will not echo):', False) elif cmd.name == 'signrawtransaction': - args = [ cmd, args[1], json.loads(args[2]) if len(args)>2 else [], json.loads(args[3]) if len(args)>3 else []] + args = [cmd, args[1], json.loads(args[2]) if len(args) > 2 else [], json.loads(args[3]) if len(args) > 3 else []] elif cmd.name == 'createmultisig': - args = [ cmd, int(args[1]), json.loads(args[2])] + args = [cmd, int(args[1]), json.loads(args[2])] elif cmd.name == 'createrawtransaction': - args = [ cmd, json.loads(args[1]), json.loads(args[2])] + args = [cmd, json.loads(args[1]), json.loads(args[2])] elif cmd.name == 'listaddresses': args = [cmd, options.show_all, options.show_labels] elif cmd.name in ['payto', 'mktx']: domain = [options.from_addr] if options.from_addr else None - args = [ 'mktx', args[1], Decimal(args[2]), Decimal(options.tx_fee) if options.tx_fee else None, options.change_addr, domain ] - + args = ['mktx', args[1], Decimal(args[2]), Decimal(options.tx_fee) if options.tx_fee else None, options.change_addr, domain] + elif cmd.name in ['paytomany', 'mksendmanytx']: domain = [options.from_addr] if options.from_addr else None outputs = [] @@ -312,14 +322,12 @@ if __name__ == '__main__': print_msg("Error: Mismatched arguments.") exit(1) outputs.append((args[i], Decimal(args[i+1]))) - args = [ 'mksendmanytx', outputs, Decimal(options.tx_fee) if options.tx_fee else None, options.change_addr, domain ] + args = ['mksendmanytx', outputs, Decimal(options.tx_fee) if options.tx_fee else None, options.change_addr, domain] elif cmd.name == 'help': if len(args) < 2: print_help(parser) - - # check the number of arguments if len(args) - 1 < cmd.min_args: print_msg("Not enough arguments") @@ -335,8 +343,7 @@ if __name__ == '__main__': if len(args) > cmd.min_args + 1: message = ' '.join(args[cmd.min_args:]) print_msg("Warning: Final argument was reconstructed from several arguments:", repr(message)) - args = args[0:cmd.min_args] + [ message ] - + args = args[0:cmd.min_args] + [message] # open session if cmd.requires_network and not options.offline: @@ -352,24 +359,22 @@ if __name__ == '__main__': else: network = None - - # run the command - if cmd.name == 'deseed': if not wallet.seed: print_msg("Error: This wallet has no seed") else: ns = wallet.storage.path + '.seedless' - print_msg("Warning: you are going to create a seedless wallet'\nIt will be saved in '%s'"%ns) - if raw_input("Are you sure you want to continue? (y/n) ") in ['y','Y','yes']: + print_msg("Warning: you are going to create a seedless wallet'\nIt will be saved in '%s'" % ns) + if raw_input("Are you sure you want to continue? (y/n) ") in ['y', 'Y', 'yes']: wallet.storage.path = ns wallet.seed = '' wallet.storage.put('seed', '', True) wallet.use_encryption = False wallet.storage.put('use_encryption', wallet.use_encryption, True) - for k in wallet.imported_keys.keys(): wallet.imported_keys[k] = '' - wallet.storage.put('imported_keys',wallet.imported_keys, True) + for k in wallet.imported_keys.keys(): + wallet.imported_keys[k] = '' + wallet.storage.put('imported_keys', wallet.imported_keys, True) print_msg("Done.") else: print_msg("Action canceled.") @@ -390,7 +395,6 @@ if __name__ == '__main__': else: run_command(cmd.name, password, args) - if network: if wallet: