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554 lines
16 KiB
554 lines
16 KiB
import os, sys, re, json
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import platform
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import shutil
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from datetime import datetime
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from decimal import Decimal
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import traceback
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import urlparse
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import urllib
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import threading
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from i18n import _
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def normalize_version(v):
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return [int(x) for x in re.sub(r'(\.0+)*$','', v).split(".")]
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class NotEnoughFunds(Exception): pass
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class InvalidPassword(Exception):
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def __str__(self):
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return _("Incorrect password")
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class MyEncoder(json.JSONEncoder):
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def default(self, obj):
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from transaction import Transaction
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if isinstance(obj, Transaction):
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return obj.as_dict()
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return super(MyEncoder, self).default(obj)
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class PrintError(object):
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'''A handy base class'''
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def diagnostic_name(self):
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return self.__class__.__name__
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def print_error(self, *msg):
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print_error("[%s]" % self.diagnostic_name(), *msg)
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def print_msg(self, *msg):
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print_msg("[%s]" % self.diagnostic_name(), *msg)
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class ThreadJob(PrintError):
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"""A job that is run periodically from a thread's main loop. run() is
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called from that thread's context.
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"""
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def run(self):
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"""Called periodically from the thread"""
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pass
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class DaemonThread(threading.Thread, PrintError):
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""" daemon thread that terminates cleanly """
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def __init__(self):
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threading.Thread.__init__(self)
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self.parent_thread = threading.currentThread()
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self.running = False
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self.running_lock = threading.Lock()
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self.job_lock = threading.Lock()
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self.jobs = []
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def add_jobs(self, jobs):
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with self.job_lock:
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self.jobs.extend(jobs)
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def run_jobs(self):
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# Don't let a throwing job disrupt the thread, future runs of
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# itself, or other jobs. This is useful protection against
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# malformed or malicious server responses
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with self.job_lock:
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for job in self.jobs:
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try:
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job.run()
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except:
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traceback.print_exc(file=sys.stderr)
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def remove_jobs(self, jobs):
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with self.job_lock:
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for job in jobs:
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self.jobs.remove(job)
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def start(self):
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with self.running_lock:
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self.running = True
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return threading.Thread.start(self)
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def is_running(self):
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with self.running_lock:
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return self.running and self.parent_thread.is_alive()
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def stop(self):
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with self.running_lock:
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self.running = False
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is_verbose = False
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def set_verbosity(b):
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global is_verbose
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is_verbose = b
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def print_error(*args):
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if not is_verbose: return
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print_stderr(*args)
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def print_stderr(*args):
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args = [str(item) for item in args]
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sys.stderr.write(" ".join(args) + "\n")
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sys.stderr.flush()
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def print_msg(*args):
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# Stringify args
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args = [str(item) for item in args]
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sys.stdout.write(" ".join(args) + "\n")
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sys.stdout.flush()
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def print_json(obj):
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try:
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s = json.dumps(obj, sort_keys = True, indent = 4, cls=MyEncoder)
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except TypeError:
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s = repr(obj)
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sys.stdout.write(s + "\n")
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sys.stdout.flush()
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# decorator that prints execution time
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def profiler(func):
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def do_profile(func, args):
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n = func.func_name
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t0 = time.time()
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o = apply(func, args)
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t = time.time() - t0
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print_error("[profiler]", n, "%.4f"%t)
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return o
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return lambda *args: do_profile(func, args)
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def user_dir():
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if "HOME" in os.environ:
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return os.path.join(os.environ["HOME"], ".electrum")
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elif "APPDATA" in os.environ:
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return os.path.join(os.environ["APPDATA"], "Electrum")
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elif "LOCALAPPDATA" in os.environ:
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return os.path.join(os.environ["LOCALAPPDATA"], "Electrum")
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elif 'ANDROID_DATA' in os.environ:
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try:
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import jnius
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env = jnius.autoclass('android.os.Environment')
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_dir = env.getExternalStorageDirectory().getPath()
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return _dir + '/electrum/'
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except ImportError:
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pass
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return "/sdcard/electrum/"
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else:
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#raise Exception("No home directory found in environment variables.")
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return
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def format_satoshis_plain(x, decimal_point = 8):
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'''Display a satoshi amount scaled. Always uses a '.' as a decimal
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point and has no thousands separator'''
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scale_factor = pow(10, decimal_point)
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return "{:.8f}".format(Decimal(x) / scale_factor).rstrip('0').rstrip('.')
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def format_satoshis(x, is_diff=False, num_zeros = 0, decimal_point = 8, whitespaces=False):
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from locale import localeconv
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if x is None:
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return 'unknown'
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x = int(x) # Some callers pass Decimal
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scale_factor = pow (10, decimal_point)
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integer_part = "{:n}".format(int(abs(x) / scale_factor))
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if x < 0:
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integer_part = '-' + integer_part
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elif is_diff:
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integer_part = '+' + integer_part
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dp = localeconv()['decimal_point']
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fract_part = ("{:0" + str(decimal_point) + "}").format(abs(x) % scale_factor)
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fract_part = fract_part.rstrip('0')
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if len(fract_part) < num_zeros:
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fract_part += "0" * (num_zeros - len(fract_part))
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result = integer_part + dp + fract_part
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if whitespaces:
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result += " " * (decimal_point - len(fract_part))
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result = " " * (15 - len(result)) + result
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return result.decode('utf8')
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def timestamp_to_datetime(timestamp):
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try:
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return datetime.fromtimestamp(timestamp)
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except:
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return None
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def format_time(timestamp):
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date = timestamp_to_datetime(timestamp)
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return date.isoformat(' ')[:-3] if date else _("Unknown")
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# Takes a timestamp and returns a string with the approximation of the age
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def age(from_date, since_date = None, target_tz=None, include_seconds=False):
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if from_date is None:
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return "Unknown"
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from_date = datetime.fromtimestamp(from_date)
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if since_date is None:
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since_date = datetime.now(target_tz)
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td = time_difference(from_date - since_date, include_seconds)
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return td + " ago" if from_date < since_date else "in " + td
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def time_difference(distance_in_time, include_seconds):
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#distance_in_time = since_date - from_date
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distance_in_seconds = int(round(abs(distance_in_time.days * 86400 + distance_in_time.seconds)))
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distance_in_minutes = int(round(distance_in_seconds/60))
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if distance_in_minutes <= 1:
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if include_seconds:
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for remainder in [5, 10, 20]:
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if distance_in_seconds < remainder:
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return "less than %s seconds" % remainder
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if distance_in_seconds < 40:
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return "half a minute"
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elif distance_in_seconds < 60:
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return "less than a minute"
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else:
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return "1 minute"
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else:
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if distance_in_minutes == 0:
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return "less than a minute"
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else:
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return "1 minute"
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elif distance_in_minutes < 45:
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return "%s minutes" % distance_in_minutes
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elif distance_in_minutes < 90:
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return "about 1 hour"
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elif distance_in_minutes < 1440:
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return "about %d hours" % (round(distance_in_minutes / 60.0))
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elif distance_in_minutes < 2880:
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return "1 day"
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elif distance_in_minutes < 43220:
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return "%d days" % (round(distance_in_minutes / 1440))
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elif distance_in_minutes < 86400:
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return "about 1 month"
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elif distance_in_minutes < 525600:
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return "%d months" % (round(distance_in_minutes / 43200))
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elif distance_in_minutes < 1051200:
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return "about 1 year"
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else:
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return "over %d years" % (round(distance_in_minutes / 525600))
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block_explorer_info = {
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'Biteasy.com': ('https://www.biteasy.com/blockchain',
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{'tx': 'transactions', 'addr': 'addresses'}),
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'Bitflyer.jp': ('https://chainflyer.bitflyer.jp',
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{'tx': 'Transaction', 'addr': 'Address'}),
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'Blockchain.info': ('https://blockchain.info',
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{'tx': 'tx', 'addr': 'address'}),
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'blockchainbdgpzk.onion': ('https://blockchainbdgpzk.onion',
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{'tx': 'tx', 'addr': 'address'}),
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'Blockr.io': ('https://btc.blockr.io',
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{'tx': 'tx/info', 'addr': 'address/info'}),
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'Blocktrail.com': ('https://www.blocktrail.com/BTC',
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{'tx': 'tx', 'addr': 'address'}),
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'Chain.so': ('https://www.chain.so',
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{'tx': 'tx/BTC', 'addr': 'address/BTC'}),
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'Insight.is': ('https://insight.bitpay.com',
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{'tx': 'tx', 'addr': 'address'}),
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'TradeBlock.com': ('https://tradeblock.com/blockchain',
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{'tx': 'tx', 'addr': 'address'}),
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}
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def block_explorer(config):
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return config.get('block_explorer', 'Blockchain.info')
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def block_explorer_tuple(config):
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return block_explorer_info.get(block_explorer(config))
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def block_explorer_URL(config, kind, item):
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be_tuple = block_explorer_tuple(config)
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if not be_tuple:
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return
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kind_str = be_tuple[1].get(kind)
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if not kind_str:
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return
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url_parts = [be_tuple[0], kind_str, item]
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return "/".join(url_parts)
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# URL decode
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#_ud = re.compile('%([0-9a-hA-H]{2})', re.MULTILINE)
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#urldecode = lambda x: _ud.sub(lambda m: chr(int(m.group(1), 16)), x)
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def parse_URI(uri):
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import bitcoin
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from bitcoin import COIN
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if ':' not in uri:
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assert bitcoin.is_address(uri)
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return {'address': uri}
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u = urlparse.urlparse(uri)
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assert u.scheme == 'bitcoin'
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address = u.path
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# python for android fails to parse query
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if address.find('?') > 0:
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address, query = u.path.split('?')
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pq = urlparse.parse_qs(query)
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else:
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pq = urlparse.parse_qs(u.query)
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for k, v in pq.items():
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if len(v)!=1:
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raise Exception('Duplicate Key', k)
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out = {k: v[0] for k, v in pq.items()}
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if address:
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assert bitcoin.is_address(address)
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out['address'] = address
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if 'amount' in out:
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am = out['amount']
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m = re.match('([0-9\.]+)X([0-9])', am)
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if m:
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k = int(m.group(2)) - 8
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amount = Decimal(m.group(1)) * pow( Decimal(10) , k)
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else:
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amount = Decimal(am) * COIN
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out['amount'] = int(amount)
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if 'message' in out:
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out['message'] = out['message'].decode('utf8')
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out['memo'] = out['message']
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if 'time' in out:
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out['time'] = int(out['time'])
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if 'exp' in out:
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out['exp'] = int(out['exp'])
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if 'sig' in out:
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out['sig'] = bitcoin.base_decode(out['sig'], None, base=58).encode('hex')
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return out
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def create_URI(addr, amount, message):
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import bitcoin
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if not bitcoin.is_address(addr):
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return ""
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query = []
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if amount:
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query.append('amount=%s'%format_satoshis_plain(amount))
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if message:
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if type(message) == unicode:
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message = message.encode('utf8')
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query.append('message=%s'%urllib.quote(message))
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p = urlparse.ParseResult(scheme='bitcoin', netloc='', path=addr, params='', query='&'.join(query), fragment='')
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return urlparse.urlunparse(p)
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# Python bug (http://bugs.python.org/issue1927) causes raw_input
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# to be redirected improperly between stdin/stderr on Unix systems
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def raw_input(prompt=None):
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if prompt:
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sys.stdout.write(prompt)
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return builtin_raw_input()
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import __builtin__
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builtin_raw_input = __builtin__.raw_input
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__builtin__.raw_input = raw_input
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def parse_json(message):
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n = message.find('\n')
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if n==-1:
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return None, message
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try:
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j = json.loads( message[0:n] )
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except:
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j = None
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return j, message[n+1:]
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class timeout(Exception):
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pass
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import socket
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import errno
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import json
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import ssl
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import time
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class SocketPipe:
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def __init__(self, socket):
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self.socket = socket
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self.message = ''
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self.set_timeout(0.1)
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self.recv_time = time.time()
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def set_timeout(self, t):
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self.socket.settimeout(t)
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def idle_time(self):
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return time.time() - self.recv_time
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def get(self):
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while True:
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response, self.message = parse_json(self.message)
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if response is not None:
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return response
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try:
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data = self.socket.recv(1024)
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except socket.timeout:
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raise timeout
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except ssl.SSLError:
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raise timeout
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except socket.error, err:
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if err.errno == 60:
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raise timeout
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elif err.errno in [11, 35, 10035]:
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print_error("socket errno %d (resource temporarily unavailable)"% err.errno)
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time.sleep(0.2)
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raise timeout
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else:
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print_error("pipe: socket error", err)
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data = ''
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except:
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traceback.print_exc(file=sys.stderr)
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data = ''
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if not data: # Connection closed remotely
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return None
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self.message += data
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self.recv_time = time.time()
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def send(self, request):
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out = json.dumps(request) + '\n'
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self._send(out)
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def send_all(self, requests):
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out = ''.join(map(lambda x: json.dumps(x) + '\n', requests))
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self._send(out)
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def _send(self, out):
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while out:
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try:
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sent = self.socket.send(out)
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out = out[sent:]
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except ssl.SSLError as e:
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print_error("SSLError:", e)
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time.sleep(0.1)
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continue
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except socket.error as e:
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if e[0] in (errno.EWOULDBLOCK,errno.EAGAIN):
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print_error("EAGAIN: retrying")
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time.sleep(0.1)
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continue
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elif e[0] in ['timed out', 'The write operation timed out']:
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print_error("socket timeout, retry")
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time.sleep(0.1)
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continue
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else:
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traceback.print_exc(file=sys.stdout)
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raise e
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import Queue
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class QueuePipe:
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def __init__(self, send_queue=None, get_queue=None):
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self.send_queue = send_queue if send_queue else Queue.Queue()
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self.get_queue = get_queue if get_queue else Queue.Queue()
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self.set_timeout(0.1)
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def get(self):
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try:
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return self.get_queue.get(timeout=self.timeout)
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except Queue.Empty:
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raise timeout
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def get_all(self):
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responses = []
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while True:
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try:
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r = self.get_queue.get_nowait()
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responses.append(r)
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except Queue.Empty:
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break
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return responses
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def set_timeout(self, t):
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self.timeout = t
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def send(self, request):
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self.send_queue.put(request)
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def send_all(self, requests):
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for request in requests:
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self.send(request)
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class StoreDict(dict):
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def __init__(self, config, name):
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self.config = config
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self.path = os.path.join(self.config.path, name)
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self.load()
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def load(self):
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try:
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with open(self.path, 'r') as f:
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self.update(json.loads(f.read()))
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except:
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pass
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def save(self):
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with open(self.path, 'w') as f:
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s = json.dumps(self, indent=4, sort_keys=True)
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r = f.write(s)
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def __setitem__(self, key, value):
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dict.__setitem__(self, key, value)
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self.save()
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def pop(self, key):
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if key in self.keys():
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dict.pop(self, key)
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self.save()
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def check_www_dir(rdir):
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# rewrite index.html every time
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import urllib, urlparse, shutil, os
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if not os.path.exists(rdir):
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os.mkdir(rdir)
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index = os.path.join(rdir, 'index.html')
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src = os.path.join(os.path.dirname(__file__), 'www', 'index.html')
|
|
shutil.copy(src, index)
|
|
files = [
|
|
"https://code.jquery.com/jquery-1.9.1.min.js",
|
|
"https://raw.githubusercontent.com/davidshimjs/qrcodejs/master/qrcode.js",
|
|
"https://code.jquery.com/ui/1.10.3/jquery-ui.js",
|
|
"https://code.jquery.com/ui/1.10.3/themes/smoothness/jquery-ui.css"
|
|
]
|
|
for URL in files:
|
|
path = urlparse.urlsplit(URL).path
|
|
filename = os.path.basename(path)
|
|
path = os.path.join(rdir, filename)
|
|
if not os.path.exists(path):
|
|
print_error("downloading ", URL)
|
|
urllib.urlretrieve(URL, path)
|
|
|
|
|