-import os, sys
+import os, sys, re, json
import platform
+import shutil
+from datetime import datetime
+is_verbose = False
+
+
+class MyEncoder(json.JSONEncoder):
+ def default(self, obj):
+ from transaction import Transaction
+ if isinstance(obj, Transaction):
+ return obj.as_dict()
+ return super(MyEncoder, self).default(obj)
-is_verbose = True
def set_verbosity(b):
global is_verbose
is_verbose = b
+
def print_error(*args):
if not is_verbose: return
- # Stringify args
+ print_stderr(*args)
+
+def print_stderr(*args):
args = [str(item) for item in args]
sys.stderr.write(" ".join(args) + "\n")
sys.stderr.flush()
+def print_msg(*args):
+ # Stringify args
+ args = [str(item) for item in args]
+ sys.stdout.write(" ".join(args) + "\n")
+ sys.stdout.flush()
+
+def print_json(obj):
+ try:
+ s = json.dumps(obj, sort_keys = True, indent = 4, cls=MyEncoder)
+ except TypeError:
+ s = repr(obj)
+ sys.stdout.write(s + "\n")
+ sys.stdout.flush()
def user_dir():
if "HOME" in os.environ:
- return os.path.join(os.environ["HOME"], ".electrum")
- elif "LOCALAPPDATA" in os.environ:
- return os.path.join(os.environ["LOCALAPPDATA"], "Electrum")
+ return os.path.join(os.environ["HOME"], ".electrum")
elif "APPDATA" in os.environ:
- return os.path.join(os.environ["APPDATA"], "Electrum")
+ return os.path.join(os.environ["APPDATA"], "Electrum")
+ elif "LOCALAPPDATA" in os.environ:
+ return os.path.join(os.environ["LOCALAPPDATA"], "Electrum")
+ elif 'ANDROID_DATA' in os.environ:
+ return "/sdcard/electrum/"
else:
- raise BaseException("No home directory found in environment variables.")
-
+ #raise Exception("No home directory found in environment variables.")
+ return
def appdata_dir():
"""Find the path to the application data directory; add an electrum folder and return path."""
elif platform.system() == "Linux":
return os.path.join(sys.prefix, "share", "electrum")
elif (platform.system() == "Darwin" or
- platform.system() == "DragonFly"):
+ platform.system() == "DragonFly" or
+ platform.system() == "OpenBSD" or
+ platform.system() == "FreeBSD" or
+ platform.system() == "NetBSD"):
return "/Library/Application Support/Electrum"
else:
raise Exception("Unknown system")
return local_data
-def format_satoshis(x, is_diff=False, num_zeros = 0):
+def format_satoshis(x, is_diff=False, num_zeros = 0, decimal_point = 8, whitespaces=False):
from decimal import Decimal
s = Decimal(x)
sign, digits, exp = s.as_tuple()
digits = map(str, digits)
- while len(digits) < 9:
+ while len(digits) < decimal_point + 1:
digits.insert(0,'0')
- digits.insert(-8,'.')
+ digits.insert(-decimal_point,'.')
s = ''.join(digits).rstrip('0')
- if sign:
+ if sign:
s = '-' + s
elif is_diff:
s = "+" + s
p = s.find('.')
s += "0"*( 1 + num_zeros - ( len(s) - p ))
- s += " "*( 9 - ( len(s) - p ))
- s = " "*( 5 - ( p )) + s
+ if whitespaces:
+ s += " "*( 1 + decimal_point - ( len(s) - p ))
+ s = " "*( 13 - decimal_point - ( p )) + s
return s
+
+
+# Takes a timestamp and returns a string with the approximation of the age
+def age(from_date, since_date = None, target_tz=None, include_seconds=False):
+ if from_date is None:
+ return "Unknown"
+
+ from_date = datetime.fromtimestamp(from_date)
+ if since_date is None:
+ since_date = datetime.now(target_tz)
+
+ distance_in_time = since_date - from_date
+ distance_in_seconds = int(round(abs(distance_in_time.days * 86400 + distance_in_time.seconds)))
+ distance_in_minutes = int(round(distance_in_seconds/60))
+
+ if distance_in_minutes <= 1:
+ if include_seconds:
+ for remainder in [5, 10, 20]:
+ if distance_in_seconds < remainder:
+ return "less than %s seconds ago" % remainder
+ if distance_in_seconds < 40:
+ return "half a minute ago"
+ elif distance_in_seconds < 60:
+ return "less than a minute ago"
+ else:
+ return "1 minute ago"
+ else:
+ if distance_in_minutes == 0:
+ return "less than a minute ago"
+ else:
+ return "1 minute ago"
+ elif distance_in_minutes < 45:
+ return "%s minutes ago" % distance_in_minutes
+ elif distance_in_minutes < 90:
+ return "about 1 hour ago"
+ elif distance_in_minutes < 1440:
+ return "about %d hours ago" % (round(distance_in_minutes / 60.0))
+ elif distance_in_minutes < 2880:
+ return "1 day ago"
+ elif distance_in_minutes < 43220:
+ return "%d days ago" % (round(distance_in_minutes / 1440))
+ elif distance_in_minutes < 86400:
+ return "about 1 month ago"
+ elif distance_in_minutes < 525600:
+ return "%d months ago" % (round(distance_in_minutes / 43200))
+ elif distance_in_minutes < 1051200:
+ return "about 1 year ago"
+ else:
+ return "over %d years ago" % (round(distance_in_minutes / 525600))
+
+
+# URL decode
+#_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
+#urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
+
+def parse_URI(uri):
+ import urlparse
+ import bitcoin
+ from decimal import Decimal
+
+ if ':' not in uri:
+ assert bitcoin.is_address(uri)
+ return uri, None, None, None, None
+
+ u = urlparse.urlparse(uri)
+ assert u.scheme == 'bitcoin'
+
+ address = u.path
+ assert bitcoin.is_address(address)
+
+ pq = urlparse.parse_qs(u.query)
+
+ for k, v in pq.items():
+ if len(v)!=1:
+ raise Exception('Duplicate Key', k)
+
+ amount = label = message = request_url = ''
+ if 'amount' in pq:
+ am = pq['amount'][0]
+ m = re.match('([0-9\.]+)X([0-9])', am)
+ if m:
+ k = int(m.group(2)) - 8
+ amount = Decimal(m.group(1)) * pow( Decimal(10) , k)
+ else:
+ amount = Decimal(am) * 100000000
+ if 'message' in pq:
+ message = pq['message'][0]
+ if 'label' in pq:
+ label = pq['label'][0]
+ if 'r' in pq:
+ request_url = pq['r'][0]
+
+ return address, amount, label, message, request_url
+
+
+# Python bug (http://bugs.python.org/issue1927) causes raw_input
+# to be redirected improperly between stdin/stderr on Unix systems
+def raw_input(prompt=None):
+ if prompt:
+ sys.stdout.write(prompt)
+ return builtin_raw_input()
+import __builtin__
+builtin_raw_input = __builtin__.raw_input
+__builtin__.raw_input = raw_input