-WIP-electrum-btcp/lib/simple_config.py

181 lines
5.1 KiB
Python

import json, ast
import os, ast
from util import user_dir
from version import ELECTRUM_VERSION, SEED_VERSION
from interface import parse_proxy_options
# 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')
class SimpleConfig:
def __init__(self, options):
self.wallet_config = {}
self.read_wallet_config(options.wallet_path)
self.common_config = {}
self.read_common_config()
self.options_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
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 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)
# 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 out is None and default is not None:
out = default
return out
def is_modifiable(self, key):
if self.options_config.has_key(key) or self.common_config.has_key(key):
return False
else:
return True
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('client','server')
except:
pass
try:
self.common_config['proxy'] = parse_proxy_options(p.get('client','proxy'))
except:
pass
try:
self.common_config['gui'] = p.get('client','gui')
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
# Look for wallet file in the default data directory.
# Keeps backwards compatibility.
wallet_dir = user_dir()
# 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 save_common_config(self):
s = repr(self.common_config)
# todo: decide what to do
print "not saving settings in common config:", s
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.")
self.wallet_config = d
self.wallet_file_exists = True
def set_interface(self, interface):
pass
def set_gui(self, gui):
pass
def save(self):
self.save_wallet_config()
def save_wallet_config(self):
s = repr(self.wallet_config)
f = open(self.path,"w")
f.write( s )
f.close()
import stat
os.chmod(self.path,stat.S_IREAD | stat.S_IWRITE)