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120 lines
3.1 KiB
120 lines
3.1 KiB
from util import print_error
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import traceback, sys
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from util import *
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from i18n import _
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plugins = []
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def init_plugins(config, local):
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import imp, pkgutil, __builtin__, os
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global plugins
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if local:
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fp, pathname, description = imp.find_module('plugins')
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plugin_names = [name for a, name, b in pkgutil.iter_modules([pathname])]
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plugin_names = filter( lambda name: os.path.exists(os.path.join(pathname,name+'.py')), plugin_names)
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imp.load_module('electrum_plugins', fp, pathname, description)
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plugin_modules = map(lambda name: imp.load_source('electrum_plugins.'+name, os.path.join(pathname,name+'.py')), plugin_names)
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else:
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import electrum_plugins
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plugin_names = [name for a, name, b in pkgutil.iter_modules(electrum_plugins.__path__)]
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plugin_modules = [ __import__('electrum_plugins.'+name, fromlist=['electrum_plugins']) for name in plugin_names]
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for name, p in zip(plugin_names, plugin_modules):
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try:
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plugins.append( p.Plugin(config, name) )
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except Exception:
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print_msg(_("Error: cannot initialize plugin"),p)
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traceback.print_exc(file=sys.stdout)
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hook_names = set()
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hooks = {}
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def hook(func):
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n = func.func_name
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if n not in hook_names:
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hook_names.add(n)
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return func
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def run_hook(name, *args):
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SPECIAL_HOOKS = ['get_wizard_action','installwizard_restore']
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results = []
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f_list = hooks.get(name,[])
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for p, f in f_list:
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if name == 'load_wallet':
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p.wallet = args[0]
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if name == 'init_qt':
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gui = args[0]
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p.window = gui.main_window
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if name in SPECIAL_HOOKS or p.is_enabled():
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try:
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r = f(*args)
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except Exception:
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print_error("Plugin error")
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traceback.print_exc(file=sys.stdout)
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r = False
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if r:
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results.append(r)
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if name == 'close_wallet':
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p.wallet = None
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if results:
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assert len(results) == 1, results
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return results[0]
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class BasePlugin:
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def __init__(self, config, name):
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self.name = name
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self.config = config
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# add self to hooks
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for k in dir(self):
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if k in hook_names:
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l = hooks.get(k, [])
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l.append((self, getattr(self, k)))
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hooks[k] = l
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def fullname(self):
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return self.name
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def description(self):
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return 'undefined'
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def requires_settings(self):
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return False
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def enable(self):
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self.set_enabled(True)
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return True
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def disable(self):
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self.set_enabled(False)
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return True
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def init_qt(self, gui): pass
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@hook
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def load_wallet(self, wallet): pass
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@hook
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def close_wallet(self): pass
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#def init(self): pass
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def close(self): pass
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def is_enabled(self):
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return self.is_available() and self.config.get('use_'+self.name) is True
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def is_available(self):
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return True
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def set_enabled(self, enabled):
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self.config.set_key('use_'+self.name, enabled, True)
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def settings_dialog(self):
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pass
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