-import json, ast
-import os, ast
-from util import user_dir, print_error
+import json
+import ast
+import threading
+import os
-from version import ELECTRUM_VERSION, SEED_VERSION
+from util import user_dir, print_error, print_msg
+config = None
+def get_config():
+ global config
+ return config
+
+def set_config(c):
+ global config
+ config = c
-class SimpleConfig:
+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()
# system conf, readonly
self.system_config = {}
- self.read_system_config()
+ if options.get('portable') is not True:
+ self.read_system_config()
+
+ # command-line options
+ self.options_config = options
+
+ # init path
+ self.init_path()
# user conf, writeable
- self.user_dir = user_dir()
self.user_config = {}
self.read_user_config()
- # command-line options
- self.options_config = options
+ set_config(self)
- self.wallet_config = {}
- self.wallet_file_exists = False
- self.init_path(self.options_config.get('wallet_path'))
- print_error( "path", self.path )
- if self.path:
- self.read_wallet_config(self.path)
-
-
-
-
- def set_key(self, key, value, save = False):
+
+ def init_path(self):
+
+ # Read electrum path in the command line configuration
+ self.path = self.options_config.get('electrum_path')
+
+ # Read electrum path in the system configuration
+ if self.path is None:
+ self.path = self.system_config.get('electrum_path')
+
+ # If not set, use the user's default data directory.
+ if self.path is None:
+ self.path = user_dir()
+
+ # 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)
+
+ # 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.user_config.get(key) is not None:
- self.user_config[key] = value
- if save: self.save_user_config()
-
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
- elif self.wallet_config.get(key) is not None:
- self.wallet_config[key] = value
- if save: self.save_wallet_config()
-
else:
- # add key to wallet config
- self.wallet_config[key] = value
- if save: self.save_wallet_config()
+
+ with self.lock:
+ self.user_config[key] = value
+ if save:
+ self.save_user_config()
+
def get(self, key, default=None):
+
+ 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)
elif self.system_config.has_key(key):
out = self.system_config.get(key)
- # 3. use the wallet file config
- else:
- out = self.wallet_config.get(key)
-
if out is None and default is not None:
out = default
import ast
try:
out = ast.literal_eval(out)
- except:
- print "type error, using default value"
+ except Exception:
+ print "type error for '%s': using default value"%key
out = default
return out
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):
def read_system_config(self):
- """Parse and store the system config settings in electrum.conf into system_config[]"""
+ """Parse and store the system config settings in electrum.conf into system_config[]."""
name = '/etc/electrum.conf'
if os.path.exists(name):
try:
def read_user_config(self):
"""Parse and store the user config settings in electrum.conf into user_config[]."""
- if not self.user_dir: return
+ if not self.path: return
- name = os.path.join( self.user_dir, 'electrum.conf')
- if os.path.exists(name):
+ path = os.path.join(self.path, "config")
+ if os.path.exists(path):
try:
- import ConfigParser
- except ImportError:
- print "cannot parse electrum.conf. please install ConfigParser"
+ with open(path, "r") as f:
+ data = f.read()
+ except IOError:
return
-
- p = ConfigParser.ConfigParser()
- p.read(name)
try:
- for k, v in p.items('client'):
- self.user_config[k] = v
- except ConfigParser.NoSectionError:
- pass
-
-
- def init_path(self, path):
- """Set the path of the wallet."""
-
- if not path:
- path = self.get('default_wallet_path')
-
- if path is not None:
- self.path = path
- return
+ d = ast.literal_eval( data ) #parse raw data from reading wallet file
+ except Exception:
+ print_msg("Error: Cannot read config file.")
+ return
- # Look for wallet file in the default data directory.
- # Make wallet directory if it does not yet exist.
- if not os.path.exists(self.user_dir):
- os.mkdir(self.user_dir)
- self.path = os.path.join(self.user_dir, "electrum.dat")
+ self.user_config = d
def save_user_config(self):
- if not self.user_dir: return
-
- import ConfigParser
- config = ConfigParser.RawConfigParser()
- config.add_section('client')
- for k,v in self.user_config.items():
- config.set('client', k, v)
-
- with open( os.path.join( self.user_dir, 'electrum.conf'), 'wb') as configfile:
- config.write(configfile)
-
-
-
-
- def read_wallet_config(self, path):
- """Read the contents of the wallet file."""
- 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
- except:
- raise IOError("Cannot read wallet file.")
-
- self.wallet_config = d
- self.wallet_file_exists = True
-
-
+ if not self.path: return
- def save(self):
- self.save_wallet_config()
-
-
- def save_wallet_config(self):
- s = repr(self.wallet_config)
- f = open(self.path,"w")
+ path = os.path.join(self.path, "config")
+ s = repr(self.user_config)
+ f = open(path,"w")
f.write( s )
f.close()
if self.get('gui') != 'android':
import stat
- os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)
-
+ os.chmod(path, stat.S_IREAD | stat.S_IWRITE)