BTCPrivate
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electrum-bitcoinprivate
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Implementing a better print_error routine

This commit is contained in:
Julian Tosh 2012-07-07 09:24:52 -07:00
parent c533b797e0
commit 4e5dfbeade
9 changed files with 55 additions and 72 deletions
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66
electrum
View File

@ -17,19 +17,18 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import re, sys
from lib.util import print_error
try:
import ecdsa
except:
sys.stderr.write("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'\n")
sys.stderr.flush()
print_error("Error: python-ecdsa does not seem to be installed. Try 'sudo pip install ecdsa'")
sys.exit(1)
try:
import aes
except:
sys.stderr.write("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'\n")
sys.stderr.flush()
print_error("Error: AES does not seem to be installed. Try 'sudo pip install slowaes'")
sys.exit(1)
try:
@ -144,8 +143,7 @@ if __name__ == '__main__':
except ImportError:
import electrum.gui_lite as gui
else:
sys.stderr.write("Error: Unknown GUI: " + options.gui + "\n")
sys.stderr.flush()
print_error("Error: Unknown GUI: " + options.gui)
exit(1)
gui = gui.ElectrumGui(wallet)
@ -173,14 +171,13 @@ if __name__ == '__main__':
cmd = 'help'
if not wallet.file_exists and cmd not in ['help','create','restore']:
sys.stderr.write("Error: Wallet file not found.\n")
sys.stderr.write("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option\n")
sys.stderr.flush()
print_error("Error: Wallet file not found.")
print_error("Type 'electrum create' to create a new wallet, or provide a path to a wallet with the -w option")
sys.exit(0)
if cmd in ['create', 'restore']:
if wallet.file_exists:
sys.stderr.write("Error: Remove the existing wallet first!\n")
print_error("Error: Remove the existing wallet first!")
sys.stderr.flush()
sys.exit(0)
password = prompt_password("Password (hit return if you do not wish to encrypt your wallet):")
@ -203,12 +200,10 @@ if __name__ == '__main__':
try:
seed.decode('hex')
except:
sys.stderr.write("Warning: Not hex, trying decode.\n")
sys.stderr.flush()
print_error("Warning: Not hex, trying decode.")
seed = mnemonic.mn_decode( seed.split(' ') )
if not seed:
sys.stderr.write("Error: No seed\n")
sys.stderr.flush()
print_error("Error: No seed")
sys.exit(1)
wallet.seed = str(seed)
@ -222,12 +217,10 @@ if __name__ == '__main__':
if wallet.is_found():
print "Recovery successful"
else:
sys.stderr.write("Warning: Found no history for this wallet\n")
sys.stderr.flush()
print_error("Warning: Found no history for this wallet")
wallet.fill_addressbook()
wallet.save()
sys.stderr.write("Wallet saved in '" + wallet.path + "'\n")
sys.stderr.flush()
print_error("Wallet saved in '" + wallet.path)
else:
wallet.new_seed(None)
wallet.init_mpk( wallet.seed )
@ -276,8 +269,7 @@ if __name__ == '__main__':
try:
wallet.pw_decode( wallet.seed, password)
except:
sys.stderr.write("Error: This password does not decode this wallet.\n")
sys.stderr.flush()
print_error("Error: This password does not decode this wallet.")
exit(1)
if cmd == 'import':
@ -287,12 +279,12 @@ if __name__ == '__main__':
wallet.save()
print "Keypair imported"
except BaseException, e:
sys.stderr.write("Error: Keypair import failed: " + str(e) + "\n")
sys.stderr.flush()
print_error("Error: Keypair import failed: " + str(e))
if cmd=='help':
cmd2 = firstarg
if cmd2 not in known_commands:
print_error("Error: Command not found.")
print "Type 'electrum help <command>' to see the help for a specific command"
print "Type 'electrum --help' to see the list of options"
print "List of commands:", ', '.join(known_commands)
@ -305,11 +297,9 @@ if __name__ == '__main__':
elif cmd == 'deseed':
if not wallet.seed:
sys.stderr.write("Error: This wallet has no seed\n")
sys.stderr.flush()
print_error("Error: This wallet has no seed")
elif wallet.use_encryption:
sys.stderr.write("Error: This wallet is encrypted\n")
sys.stderr.flush()
print_error("Error: This wallet is encrypted")
else:
ns = wallet.path + '.seed'
print "Warning: you are going to extract the seed from '%s'\nThe seed will be saved in '%s'"%(wallet.path,ns)
@ -322,8 +312,7 @@ if __name__ == '__main__':
wallet.save()
print "Done."
else:
sys.stderr.write("Action canceled.\n")
sys.stderr.flush()
print_error("Action canceled.")
elif cmd == 'reseed':
if wallet.seed:
@ -335,8 +324,7 @@ if __name__ == '__main__':
data = f.read()
f.close()
except:
sys.stderr.write("Error: Seed file not found\n")
sys.stderr.flush()
print_error("Error: Seed file not found")
sys.exit()
try:
import ast
@ -344,8 +332,7 @@ if __name__ == '__main__':
seed = d['seed']
imported_keys = d.get('imported_keys',{})
except:
sys.stderr.write("Error: Error with seed file\n")
sys.stderr.flush()
print_error("Error: Error with seed file")
sys.exit(1)
mpk = wallet.master_public_key
@ -357,8 +344,7 @@ if __name__ == '__main__':
wallet.save()
print "Done: " + wallet.path
else:
sys.stderr.write("Error: Master public key does not match\n")
sys.stderr.flush()
print_error("Error: Master public key does not match")
elif cmd == 'validateaddress':
addr = args[1]
@ -437,8 +423,7 @@ if __name__ == '__main__':
tx = args[1]
label = ' '.join(args[2:])
except:
sys.stderr.write("Error. Syntax: label <tx_hash> <text>\n")
sys.stderr.flush()
print_error("Error. Syntax: label <tx_hash> <text>")
sys.exit(1)
wallet.labels[tx] = label
wallet.save()
@ -451,8 +436,7 @@ if __name__ == '__main__':
keypair = from_addr
from_addr = keypair.split(':')[0]
if not wallet.import_key(keypair,password):
sys.stderr.write("Error: Invalid key pair\n")
sys.stderr.flush()
print_error("Error: Invalid key pair")
exit(1)
wallet.history[from_addr] = interface.retrieve_history(from_addr)
wallet.update_tx_history()
@ -496,8 +480,7 @@ if __name__ == '__main__':
try:
seed = wallet.pw_decode( wallet.seed, password)
except:
sys.stderr.write("Error: Password does not decrypt this wallet.\n")
sys.stderr.flush()
print_error("Error: Password does not decrypt this wallet.")
sys.exit(1)
new_password = prompt_password('New password:')
@ -516,8 +499,7 @@ if __name__ == '__main__':
signature = args[2]
message = ' '.join(args[3:])
except:
sys.stderr.write("Error: Not all parameters were given, displaying help instead.\n")
sys.stderr.flush()
print_error("Error: Not all parameters were given, displaying help instead.")
print known_commands[cmd]
sys.exit(1)
if len(args) > 4:

4
lib/gui.py
View File

@ -23,6 +23,7 @@ import pygtk
pygtk.require('2.0')
import gtk, gobject
from decimal import Decimal
from lib.util import print_error
import pyqrnative, mnemonic
@ -206,8 +207,7 @@ def run_recovery_dialog(wallet):
try:
seed.decode('hex')
except:
sys.stderr.write("Warning: Not hex, trying decode\n")
sys.stderr.flush()
print_error("Warning: Not hex, trying decode")
seed = mnemonic.mn_decode( seed.split(' ') )
if not seed:
show_message("no seed")

17
lib/gui_qt.py
View File

@ -18,13 +18,13 @@
import sys, time, datetime, re
from i18n import _
from lib.util import print_error
try:
import PyQt4
except:
sys.stderr.write("Error: Could not import PyQt4\n")
sys.stderr.write("on Linux systems, you may try 'sudo apt-get install python-qt4'\n")
sys.stderr.flush()
print_error("Error: Could not import PyQt4")
print_error("on Linux systems, you may try 'sudo apt-get install python-qt4'")
sys.exit(1)
from PyQt4.QtGui import *
@ -36,9 +36,8 @@ from interface import DEFAULT_SERVERS
try:
import icons_rc
except:
sys.stderr.write("Error: Could not import icons_rc.py\n")
sys.stderr.write("Please generate it with: 'pyrcc4 icons.qrc -o lib/icons_rc.py'\n")
sys.stderr.flush()
print_error("Error: Could not import icons_rc.py")
print_error("Please generate it with: 'pyrcc4 icons.qrc -o lib/icons_rc.py'")
sys.exit(1)
from wallet import format_satoshis
@ -390,8 +389,7 @@ class ElectrumWindow(QMainWindow):
if text not in self.wallet.aliases.keys():
self.wallet.labels[addr] = text
else:
sys.stderr.write("Error: This is one of your aliases\n")
sys.stderr.flush()
print_error("Error: This is one of your aliases")
label = self.wallet.labels.get(addr,'')
item.setText(column_label, QString(label))
else:
@ -1144,8 +1142,7 @@ class ElectrumWindow(QMainWindow):
seed = unicode(seed_e.text())
seed.decode('hex')
except:
sys.stderr.write("Warning: Not hex, trying decode\n")
sys.stderr.flush()
print_error("Warning: Not hex, trying decode")
try:
seed = mnemonic.mn_decode( seed.split(' ') )
except:

10
lib/interface.py
View File

@ -21,6 +21,7 @@ import random, socket, ast, re
import threading, traceback, sys, time, json, Queue
from version import ELECTRUM_VERSION
from lib.util import print_error
DEFAULT_TIMEOUT = 5
DEFAULT_SERVERS = [ 'ecdsa.org:50001:t',
@ -247,8 +248,7 @@ class TcpStratumInterface(Interface):
print "Connected to %s:%d"%(self.host,self.port)
except:
self.is_connected = False
sys.stderr.write("Not connected\n")
sys.stderr.flush()
print_error("Not connected")
def run(self):
try:
@ -328,8 +328,7 @@ class WalletSynchronizer(threading.Thread):
elif protocol == 'h':
InterfaceClass = HttpStratumInterface
else:
sys.stderr.write("Error: Unknown protocol\n")
sys.stderr.flush()
print_error("Error: Unknown protocol")
InterfaceClass = TcpStratumInterface
self.interface = InterfaceClass(host, port, self.wallet.debug_server)
@ -386,8 +385,7 @@ class WalletSynchronizer(threading.Thread):
pass
else:
sys.stderr.write("Error: Unknown message:" + method + ", " + params + ", " + result)
sys.stderr.flush()
print_error("Error: Unknown message:" + method + ", " + params + ", " + result)
def start_interface(self):

7
lib/util.py
View File

@ -2,6 +2,13 @@ import os
import platform
import sys
def print_error(*args):
for item in args:
sys.stderr.write(str(item))
sys.stderr.write("\n")
sys.stderr.flush()
def appdata_dir():
if platform.system() == "Windows":
return os.path.join(os.environ["APPDATA"], "Electrum")

4
lib/wallet.py
View File

@ -20,6 +20,7 @@
import sys, base64, os, re, hashlib, copy, operator, ast, threading, random, getpass
import aes, ecdsa
from ecdsa.util import string_to_number, number_to_string
from lib.util import print_error
############ functions from pywallet #####################
@ -156,8 +157,7 @@ def prompt_password(prompt, confirm=True):
password2 = getpass.getpass("Confirm: ")
if password != password2:
sys.stderr.write("Error: Passwords do not match.\n")
sys.stderr.flush()
print_error("Error: Passwords do not match.")
sys.exit(1)
else:

4
remote_wallet.py
View File

@ -21,6 +21,7 @@ import time, thread, sys, socket
# see http://code.google.com/p/jsonrpclib/
import jsonrpclib
from wallet import Wallet
from lib.util import print_error
"""
Simple wallet daemon for webservers.
@ -99,8 +100,7 @@ if __name__ == '__main__':
elif cmd == 'stop':
out = server.stop()
except socket.error:
sys.stderr.write("Server not running\n")
sys.stderr.flush()
print_error("Server not running")
sys.exit(1)
print out
sys.exit(0)

5
setup.py
View File

@ -6,9 +6,10 @@ from distutils.core import setup
from lib.version import ELECTRUM_VERSION as version
import lib.util as util
import os, sys, platform
from lib.util import print_error
if sys.version_info[:3] < (2,6,0):
sys.stderr.write("Electrum requires Python version >= 2.6.0... exiting\n")
sys.stderr.flush()
print_error("Error: Electrum requires Python version >= 2.6.0...")
sys.exit(1)

10
upgrade.py
View File

@ -6,6 +6,7 @@ try:
except ImportError:
from electrum import prompt_password
from lib.uril import print_error
@ -30,15 +31,13 @@ if __name__ == "__main__":
data = f.read()
f.close()
except:
sys.stderr.write("Error: File not found: " + path + "\n")
sys.stderr.flush()
print_error("Error: File not found: " + path)
exit(1)
try:
x = ast.literal_eval(data)
except:
sys.stderr.write("Error: Could not parse wallet\n")
sys.stderr.flush()
print_error("Error: Could not parse wallet")
exit(1)
# version <= 0.33 uses a tuple
@ -65,8 +64,7 @@ if __name__ == "__main__":
seed = DecodeAES( secret, wallet.seed )
private_keys = ast.literal_eval( DecodeAES( secret, wallet.private_keys ) )
except:
sys.stderr.write("Error: Password does not decrypt this wallet.\n")
sys.stderr.flush()
print_error("Error: Password does not decrypt this wallet.")
exit(1)
seed_version = 2
s = repr( (seed_version, use_encryption, fee, host, port, blocks, seed, all_addresses, private_keys, change_indexes, status, history, labels, addressbook ))