electrum-bitcoinprivate/lib/plugins.py

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from util import print_error
import traceback, sys
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from util import *
from i18n import _
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plugins = []
def init_plugins(self):
import imp, pkgutil, __builtin__, os
global plugins
if __builtin__.use_local_modules:
fp, pathname, description = imp.find_module('plugins')
plugin_names = [name for a, name, b in pkgutil.iter_modules([pathname])]
plugin_names = filter( lambda name: os.path.exists(os.path.join(pathname,name+'.py')), plugin_names)
imp.load_module('electrum_plugins', fp, pathname, description)
plugin_modules = map(lambda name: imp.load_source('electrum_plugins.'+name, os.path.join(pathname,name+'.py')), plugin_names)
else:
import electrum_plugins
plugin_names = [name for a, name, b in pkgutil.iter_modules(electrum_plugins.__path__)]
plugin_modules = [ __import__('electrum_plugins.'+name, fromlist=['electrum_plugins']) for name in plugin_names]
for name, p in zip(plugin_names, plugin_modules):
try:
plugins.append( p.Plugin(self, name) )
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except Exception:
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print_msg(_("Error: cannot initialize plugin"),p)
traceback.print_exc(file=sys.stdout)
def run_hook(name, *args):
global plugins
results = []
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for p in plugins:
if not p.is_enabled():
continue
f = getattr(p, name, None)
if not callable(f):
continue
try:
r = f(*args)
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except Exception:
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print_error("Plugin error")
traceback.print_exc(file=sys.stdout)
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r = False
if r:
results.append(r)
if results:
assert len(results) == 1, results
return results[0]
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class BasePlugin:
def __init__(self, gui, name):
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self.gui = gui
self.name = name
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self.config = gui.config
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def fullname(self):
return self.name
def description(self):
return 'undefined'
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def requires_settings(self):
return False
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def toggle(self):
if self.is_enabled():
if self.disable():
self.close()
else:
if self.enable():
self.init()
return self.is_enabled()
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def enable(self):
self.set_enabled(True)
return True
def disable(self):
self.set_enabled(False)
return True
def init(self): pass
def close(self): pass
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def is_enabled(self):
return self.is_available() and self.config.get('use_'+self.name) is True
def is_available(self):
return True
def set_enabled(self, enabled):
self.config.set_key('use_'+self.name, enabled, True)
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def settings_dialog(self):
pass