-import json, ast
-import os, ast
-from util import user_dir
+import json
+import ast
+import threading
+import os
-from version import ELECTRUM_VERSION, SEED_VERSION
-from interface import parse_proxy_options
+from util import user_dir, print_error, print_msg
-# old stuff.. should be removed at some point
-def replace_keys(obj, old_key, new_key):
- if isinstance(obj, dict):
- if old_key in obj:
- obj[new_key] = obj[old_key]
- del obj[old_key]
- for elem in obj.itervalues():
- replace_keys(elem, old_key, new_key)
- elif isinstance(obj, list):
- for elem in obj:
- replace_keys(elem, old_key, new_key)
-
-def old_to_new(d):
- replace_keys(d, 'blk_hash', 'block_hash')
- replace_keys(d, 'pos', 'index')
- replace_keys(d, 'nTime', 'timestamp')
- replace_keys(d, 'is_in', 'is_input')
- replace_keys(d, 'raw_scriptPubKey', 'raw_output_script')
+config = None
+def get_config():
+ global config
+ return config
+def set_config(c):
+ global config
+ config = c
class SimpleConfig:
+ """
+The SimpleConfig class is responsible for handling operations involving
+configuration files. The constructor reads and stores the system and
+user configurations from electrum.conf into separate dictionaries within
+a SimpleConfig instance then reads the wallet file.
+"""
+ def __init__(self, options={}):
+ self.lock = threading.Lock()
- def __init__(self, options):
+ # system conf, readonly
+ self.system_config = {}
+ if options.get('portable') is not True:
+ self.read_system_config()
- self.wallet_config = {}
- self.read_wallet_config(options.wallet_path)
+ # command-line options
+ self.options_config = options
- self.common_config = {}
- self.read_common_config()
+ # init path
+ self.init_path()
- self.options_config = {}
+ # user conf, writeable
+ self.user_config = {}
+ self.read_user_config()
- if options.server: self.options_config['server'] = options.server
- if options.proxy: self.options_config['proxy'] = parse_proxy_options(options.proxy)
- if options.gui: self.options_config['gui'] = options.gui
-
-
+ set_config(self)
- def set_key(self, key, value, save = False):
- # find where a setting comes from and save it there
- if self.options_config.get(key):
- return
- elif self.wallet_config.get(key):
- self.wallet_config[key] = value
- if save: self.save_wallet_config()
- elif self.common_config.get(key):
- self.common_config[key] = value
- if save: self.save_common_config()
-
- else:
- # add key to wallet config
- self.wallet_config[key] = value
- if save: self.save_wallet_config()
+ def init_path(self):
+ # Read electrum path in the command line configuration
+ self.path = self.options_config.get('electrum_path')
- def get(self, key, default=None):
- # 1. command-line options always override everything
- if self.options_config.has_key(key):
- # print "found", key, "in options"
- out = self.options_config.get(key)
+ # Read electrum path in the system configuration
+ if self.path is None:
+ self.path = self.system_config.get('electrum_path')
- # 2. configuration file overrides wallet file
- elif self.common_config.has_key(key):
- out = self.common_config.get(key)
-
- else:
- out = self.wallet_config.get(key)
+ # If not set, use the user's default data directory.
+ if self.path is None:
+ self.path = user_dir()
- if out is None and default is not None:
- out = default
- return out
+ # Make directory if it does not yet exist.
+ if not os.path.exists(self.path):
+ os.mkdir(self.path)
+ print_error( "electrum directory", self.path)
- def is_modifiable(self, key):
- if self.options_config.has_key(key) or self.common_config.has_key(key):
- return False
- else:
- return True
+ # portable wallet: use the same directory for wallet and headers file
+ #if options.get('portable'):
+ # self.wallet_config['blockchain_headers_path'] = os.path.dirname(self.path)
+
+ def set_key(self, key, value, save = True):
+ # find where a setting comes from and save it there
+ if self.options_config.get(key) is not None:
+ print "Warning: not changing '%s' because it was passed as a command-line option"%key
+ return
+ elif self.system_config.get(key) is not None:
+ if str(self.system_config[key]) != str(value):
+ print "Warning: not changing '%s' because it was set in the system configuration"%key
- def read_common_config(self):
- for name in [ os.path.join( user_dir(), 'electrum.conf') , '/etc/electrum.conf']:
- if os.path.exists(name):
- from interface import parse_proxy_options
- try:
- import ConfigParser
- except:
- print "cannot parse electrum.conf. please install ConfigParser"
- return
-
- p = ConfigParser.ConfigParser()
- p.read(name)
- try:
- self.common_config['server'] = p.get('interface','server')
- except:
- pass
- try:
- self.common_config['proxy'] = parse_proxy_options(p.get('interface','proxy'))
- except:
- pass
- break
-
-
-
- def init_path(self, wallet_path):
- """Set the path of the wallet."""
- if wallet_path is not None:
- self.path = wallet_path
- return
+ else:
- # Look for wallet file in the default data directory.
- # Keeps backwards compatibility.
- wallet_dir = user_dir()
+ with self.lock:
+ self.user_config[key] = value
+ if save:
+ self.save_user_config()
- # Make wallet directory if it does not yet exist.
- if not os.path.exists(wallet_dir):
- os.mkdir(wallet_dir)
- self.path = os.path.join(wallet_dir, "electrum.dat")
+ def get(self, key, default=None):
- def save_common_config(self):
- s = repr(self.common_config)
- # todo: decide what to do
- print "not saving settings in common config:", s
+ out = None
+ # 1. command-line options always override everything
+ if self.options_config.has_key(key) and self.options_config.get(key) is not None:
+ out = self.options_config.get(key)
+ # 2. user configuration
+ elif self.user_config.has_key(key):
+ out = self.user_config.get(key)
- def read_wallet_config(self, path):
- """Read the contents of the wallet file."""
- self.wallet_file_exists = False
- self.init_path(path)
- try:
- with open(self.path, "r") as f:
- data = f.read()
- except IOError:
- return
- try:
- d = ast.literal_eval( data ) #parse raw data from reading wallet file
- old_to_new(d)
- except:
- raise IOError("Cannot read wallet file.")
+ # 2. system configuration
+ elif self.system_config.has_key(key):
+ out = self.system_config.get(key)
- self.wallet_config = d
- self.wallet_file_exists = True
+ if out is None and default is not None:
+ out = default
+ # try to fix the type
+ if default is not None and type(out) != type(default):
+ import ast
+ try:
+ out = ast.literal_eval(out)
+ except Exception:
+ print "type error for '%s': using default value"%key
+ out = default
- def set_interface(self, interface):
- pass
+ return out
- def set_gui(self, gui):
- pass
- def save(self):
- self.save_wallet_config()
+ def is_modifiable(self, key):
+ """Check if the config file is modifiable."""
+ if self.options_config.has_key(key):
+ return False
+ elif self.user_config.has_key(key):
+ return True
+ elif self.system_config.has_key(key):
+ return False
+ else:
+ return True
- def save_wallet_config(self):
- s = repr(self.wallet_config)
- f = open(self.path,"w")
+ def read_system_config(self):
+ """Parse and store the system config settings in electrum.conf into system_config[]."""
+ name = '/etc/electrum.conf'
+ if os.path.exists(name):
+ try:
+ import ConfigParser
+ except ImportError:
+ print "cannot parse electrum.conf. please install ConfigParser"
+ return
+
+ p = ConfigParser.ConfigParser()
+ p.read(name)
+ try:
+ for k, v in p.items('client'):
+ self.system_config[k] = v
+ except ConfigParser.NoSectionError:
+ pass
+
+
+ def read_user_config(self):
+ """Parse and store the user config settings in electrum.conf into user_config[]."""
+ if not self.path: return
+
+ path = os.path.join(self.path, "config")
+ if os.path.exists(path):
+ try:
+ with open(path, "r") as f:
+ data = f.read()
+ except IOError:
+ return
+ try:
+ d = ast.literal_eval( data ) #parse raw data from reading wallet file
+ except Exception:
+ print_msg("Error: Cannot read config file.")
+ return
+
+ self.user_config = d
+
+
+ def save_user_config(self):
+ if not self.path: return
+
+ path = os.path.join(self.path, "config")
+ s = repr(self.user_config)
+ f = open(path,"w")
f.write( s )
f.close()
- import stat
- os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
-
+ if self.get('gui') != 'android':
+ import stat
+ os.chmod(path, stat.S_IREAD | stat.S_IWRITE)