234 lines
6.6 KiB
Python
234 lines
6.6 KiB
Python
import json, ast
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import os, ast
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from util import user_dir, print_error
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from version import ELECTRUM_VERSION, SEED_VERSION
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# old stuff.. should be removed at some point
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def replace_keys(obj, old_key, new_key):
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if isinstance(obj, dict):
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if old_key in obj:
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obj[new_key] = obj[old_key]
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del obj[old_key]
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for elem in obj.itervalues():
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replace_keys(elem, old_key, new_key)
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elif isinstance(obj, list):
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for elem in obj:
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replace_keys(elem, old_key, new_key)
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def old_to_new(d):
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replace_keys(d, 'blk_hash', 'block_hash')
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replace_keys(d, 'pos', 'index')
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replace_keys(d, 'nTime', 'timestamp')
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replace_keys(d, 'is_in', 'is_input')
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replace_keys(d, 'raw_scriptPubKey', 'raw_output_script')
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class SimpleConfig:
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def __init__(self, options=None):
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# system conf, readonly
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self.system_config = {}
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self.read_system_config()
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# user conf, writeable
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self.user_config = {}
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self.read_user_config()
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# command-line options
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self.options_config = {}
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if options:
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if options.server: self.options_config['server'] = options.server
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if options.proxy: self.options_config['proxy'] = options.proxy
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if options.gui: self.options_config['gui'] = options.gui
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self.wallet_config = {}
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self.wallet_file_exists = False
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self.init_path(options)
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print_error( "path", self.path )
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if self.path:
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self.read_wallet_config(self.path)
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def set_key(self, key, value, save = False):
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# find where a setting comes from and save it there
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if self.options_config.get(key) is not None:
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print "Warning: not changing '%s' because it was passed as a command-line option"%key
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return
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elif self.user_config.get(key) is not None:
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self.user_config[key] = value
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if save: self.save_user_config()
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elif self.system_config.get(key) is not None:
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if str(self.system_config[key]) != str(value):
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print "Warning: not changing '%s' because it was set in the system configuration"%key
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elif self.wallet_config.get(key) is not None:
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self.wallet_config[key] = value
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if save: self.save_wallet_config()
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else:
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# add key to wallet config
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self.wallet_config[key] = value
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if save: self.save_wallet_config()
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def get(self, key, default=None):
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# 1. command-line options always override everything
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if self.options_config.has_key(key):
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# print "found", key, "in options"
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out = self.options_config.get(key)
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# 2. user configuration
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elif self.user_config.has_key(key):
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out = self.user_config.get(key)
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# 2. system configuration
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elif self.system_config.has_key(key):
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out = self.system_config.get(key)
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# 3. use the wallet file config
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else:
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out = self.wallet_config.get(key)
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if out is None and default is not None:
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out = default
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# try to fix the type
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if default is not None and type(out) != type(default):
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import ast
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try:
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out = ast.literal_eval(out)
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except:
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print "type error, using default value"
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out = default
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return out
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def is_modifiable(self, key):
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if self.options_config.has_key(key):
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return False
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elif self.user_config.has_key(key):
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return True
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elif self.system_config.has_key(key):
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return False
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else:
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return True
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def read_system_config(self):
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name = '/etc/electrum.conf'
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if os.path.exists(name):
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try:
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import ConfigParser
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except:
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print "cannot parse electrum.conf. please install ConfigParser"
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return
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p = ConfigParser.ConfigParser()
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p.read(name)
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try:
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for k, v in p.items('client'):
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self.system_config[k] = v
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except ConfigParser.NoSectionError:
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pass
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def read_user_config(self):
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name = os.path.join( user_dir(), 'electrum.conf')
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if os.path.exists(name):
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try:
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import ConfigParser
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except:
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print "cannot parse electrum.conf. please install ConfigParser"
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return
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p = ConfigParser.ConfigParser()
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p.read(name)
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try:
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for k, v in p.items('client'):
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self.user_config[k] = v
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except ConfigParser.NoSectionError:
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pass
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def init_path(self, options):
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"""Set the path of the wallet."""
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path = None
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if options:
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# this will call read_wallet_config only if there is a wallet_path value in options
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try:
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path = options.wallet_path
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except:
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pass
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if not path:
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path = self.get('default_wallet_path')
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if path is not None:
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self.path = path
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return
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# Look for wallet file in the default data directory.
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# Keeps backwards compatibility.
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wallet_dir = user_dir()
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# Make wallet directory if it does not yet exist.
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if not os.path.exists(wallet_dir):
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os.mkdir(wallet_dir)
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self.path = os.path.join(wallet_dir, "electrum.dat")
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def save_user_config(self):
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import ConfigParser
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config = ConfigParser.RawConfigParser()
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config.add_section('client')
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for k,v in self.user_config.items():
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config.set('client', k, v)
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with open( os.path.join( user_dir(), 'electrum.conf'), 'wb') as configfile:
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config.write(configfile)
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def read_wallet_config(self, path):
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"""Read the contents of the wallet file."""
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try:
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with open(self.path, "r") as f:
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data = f.read()
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except IOError:
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return
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try:
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d = ast.literal_eval( data ) #parse raw data from reading wallet file
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old_to_new(d)
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except:
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raise IOError("Cannot read wallet file.")
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self.wallet_config = d
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self.wallet_file_exists = True
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def save(self):
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self.save_wallet_config()
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def save_wallet_config(self):
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s = repr(self.wallet_config)
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f = open(self.path,"w")
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f.write( s )
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f.close()
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import stat
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os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
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