You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
230 lines
7.3 KiB
230 lines
7.3 KiB
import ast
|
|
import json
|
|
import threading
|
|
import os
|
|
|
|
from copy import deepcopy
|
|
from util import user_dir, print_error, print_msg, print_stderr, PrintError
|
|
|
|
SYSTEM_CONFIG_PATH = "/etc/electrum.conf"
|
|
|
|
config = None
|
|
|
|
|
|
def get_config():
|
|
global config
|
|
return config
|
|
|
|
|
|
def set_config(c):
|
|
global config
|
|
config = c
|
|
|
|
|
|
class SimpleConfig(PrintError):
|
|
"""
|
|
The SimpleConfig class is responsible for handling operations involving
|
|
configuration files.
|
|
|
|
There are 3 different sources of possible configuration values:
|
|
1. Command line options.
|
|
2. User configuration (in the user's config directory)
|
|
3. System configuration (in /etc/)
|
|
They are taken in order (1. overrides config options set in 2., that
|
|
override config set in 3.)
|
|
"""
|
|
def __init__(self, options={}, read_system_config_function=None,
|
|
read_user_config_function=None, read_user_dir_function=None):
|
|
|
|
# This lock needs to be acquired for updating and reading the config in
|
|
# a thread-safe way.
|
|
self.lock = threading.RLock()
|
|
|
|
# The following two functions are there for dependency injection when
|
|
# testing.
|
|
if read_system_config_function is None:
|
|
read_system_config_function = read_system_config
|
|
if read_user_config_function is None:
|
|
read_user_config_function = read_user_config
|
|
if read_user_dir_function is None:
|
|
self.user_dir = user_dir
|
|
else:
|
|
self.user_dir = read_user_dir_function
|
|
|
|
# The command line options
|
|
self.cmdline_options = deepcopy(options)
|
|
|
|
# Portable wallets don't use a system config
|
|
if self.cmdline_options.get('portable', False):
|
|
self.system_config = {}
|
|
else:
|
|
self.system_config = read_system_config_function()
|
|
|
|
# Set self.path and read the user config
|
|
self.user_config = {} # for self.get in electrum_path()
|
|
self.path = self.electrum_path()
|
|
self.user_config = read_user_config_function(self.path)
|
|
# Upgrade obsolete keys
|
|
self.fixup_keys({'auto_cycle': 'auto_connect'})
|
|
# Make a singleton instance of 'self'
|
|
set_config(self)
|
|
|
|
def electrum_path(self):
|
|
# Read electrum_path from command line / system configuration
|
|
# Otherwise use the user's default data directory.
|
|
path = self.get('electrum_path')
|
|
if path is None:
|
|
path = self.user_dir()
|
|
|
|
if self.get('testnet'):
|
|
path = os.path.join(path, 'testnet')
|
|
|
|
# Make directory if it does not yet exist.
|
|
if not os.path.exists(path):
|
|
if os.path.islink(path):
|
|
raise BaseException('Dangling link: ' + path)
|
|
os.mkdir(path)
|
|
|
|
print_error("electrum directory", path)
|
|
return path
|
|
|
|
def fixup_config_keys(self, config, keypairs):
|
|
updated = False
|
|
for old_key, new_key in keypairs.iteritems():
|
|
if old_key in config:
|
|
if not new_key in config:
|
|
config[new_key] = config[old_key]
|
|
del config[old_key]
|
|
updated = True
|
|
return updated
|
|
|
|
def fixup_keys(self, keypairs):
|
|
'''Migrate old key names to new ones'''
|
|
self.fixup_config_keys(self.cmdline_options, keypairs)
|
|
self.fixup_config_keys(self.system_config, keypairs)
|
|
if self.fixup_config_keys(self.user_config, keypairs):
|
|
self.save_user_config()
|
|
|
|
def set_key(self, key, value, save = True):
|
|
if not self.is_modifiable(key):
|
|
print_stderr("Warning: not changing config key '%s' set on the command line" % key)
|
|
return
|
|
|
|
with self.lock:
|
|
self.user_config[key] = value
|
|
if save:
|
|
self.save_user_config()
|
|
return
|
|
|
|
def get(self, key, default=None):
|
|
with self.lock:
|
|
out = self.cmdline_options.get(key)
|
|
if out is None:
|
|
out = self.user_config.get(key)
|
|
if out is None:
|
|
out = self.system_config.get(key, default)
|
|
return out
|
|
|
|
def is_modifiable(self, key):
|
|
return not key in self.cmdline_options
|
|
|
|
def save_user_config(self):
|
|
if not self.path:
|
|
return
|
|
path = os.path.join(self.path, "config")
|
|
s = json.dumps(self.user_config, indent=4, sort_keys=True)
|
|
f = open(path, "w")
|
|
f.write(s)
|
|
f.close()
|
|
if 'ANDROID_DATA' not in os.environ:
|
|
import stat
|
|
os.chmod(path, stat.S_IREAD | stat.S_IWRITE)
|
|
|
|
def get_wallet_path(self):
|
|
"""Set the path of the wallet."""
|
|
|
|
# command line -w option
|
|
if self.get('wallet_path'):
|
|
return os.path.join(self.get('cwd'), self.get('wallet_path'))
|
|
|
|
# path in config file
|
|
path = self.get('default_wallet_path')
|
|
if path and os.path.exists(path):
|
|
return path
|
|
|
|
# default path
|
|
dirpath = os.path.join(self.path, "wallets")
|
|
if not os.path.exists(dirpath):
|
|
os.mkdir(dirpath)
|
|
|
|
new_path = os.path.join(self.path, "wallets", "default_wallet")
|
|
|
|
# default path in pre 1.9 versions
|
|
old_path = os.path.join(self.path, "electrum.dat")
|
|
if os.path.exists(old_path) and not os.path.exists(new_path):
|
|
os.rename(old_path, new_path)
|
|
|
|
return new_path
|
|
|
|
def remove_from_recently_open(self, filename):
|
|
recent = self.get('recently_open', [])
|
|
if filename in recent:
|
|
recent.remove(filename)
|
|
self.set_key('recently_open', recent)
|
|
|
|
def set_session_timeout(self, seconds):
|
|
self.print_error("session timeout -> %d seconds" % seconds)
|
|
self.set_key('session_timeout', seconds)
|
|
|
|
def get_session_timeout(self):
|
|
return self.get('session_timeout', 300)
|
|
|
|
def open_last_wallet(self):
|
|
if self.get('wallet_path') is None:
|
|
last_wallet = self.get('gui_last_wallet')
|
|
if last_wallet is not None and os.path.exists(last_wallet):
|
|
self.cmdline_options['default_wallet_path'] = last_wallet
|
|
|
|
def save_last_wallet(self, wallet):
|
|
if self.get('wallet_path') is None:
|
|
path = wallet.storage.path
|
|
self.set_key('gui_last_wallet', path)
|
|
|
|
|
|
def read_system_config(path=SYSTEM_CONFIG_PATH):
|
|
"""Parse and return the system config settings in /etc/electrum.conf."""
|
|
result = {}
|
|
if os.path.exists(path):
|
|
try:
|
|
import ConfigParser
|
|
except ImportError:
|
|
print "cannot parse electrum.conf. please install ConfigParser"
|
|
return
|
|
|
|
p = ConfigParser.ConfigParser()
|
|
try:
|
|
p.read(path)
|
|
for k, v in p.items('client'):
|
|
result[k] = v
|
|
except (ConfigParser.NoSectionError, ConfigParser.MissingSectionHeaderError):
|
|
pass
|
|
|
|
return result
|
|
|
|
def read_user_config(path):
|
|
"""Parse and store the user config settings in electrum.conf into user_config[]."""
|
|
if not path:
|
|
return {}
|
|
config_path = os.path.join(path, "config")
|
|
if not os.path.exists(config_path):
|
|
return {}
|
|
try:
|
|
with open(config_path, "r") as f:
|
|
data = f.read()
|
|
result = json.loads(data)
|
|
except:
|
|
print_msg("Warning: Cannot read config file.", config_path)
|
|
return {}
|
|
if not type(result) is dict:
|
|
return {}
|
|
return result
|
|
|