Peter Surda
d498f1c0ae
- add default values for maxdownload/uploadrate, asyncore - rework error handler slightly
89 lines
3.2 KiB
Python
89 lines
3.2 KiB
Python
import ConfigParser
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import datetime
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import shutil
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import os
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from singleton import Singleton
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import state
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BMConfigDefaults = {
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"bitmessagesettings": {
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"maxaddrperstreamsend": 500,
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"maxbootstrapconnections": 20,
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"maxdownloadrate": 0,
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"maxoutboundconnections": 8,
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"maxtotalconnections": 200,
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"maxuploadrate": 0,
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},
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"network": {
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"asyncore": False
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},
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"zlib": {
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'maxsize': 1048576
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}
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}
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@Singleton
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class BMConfigParser(ConfigParser.SafeConfigParser):
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def set(self, section, option, value=None):
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if self._optcre is self.OPTCRE or value:
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if not isinstance(value, basestring):
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raise TypeError("option values must be strings")
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return ConfigParser.ConfigParser.set(self, section, option, value)
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def get(self, section, option, raw=False, vars=None):
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try:
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if section == "bitmessagesettings" and option == "timeformat":
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return ConfigParser.ConfigParser.get(self, section, option, raw, vars)
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else:
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return ConfigParser.ConfigParser.get(self, section, option, True, vars)
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except ConfigParser.InterpolationError:
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return ConfigParser.ConfigParser.get(self, section, option, True, vars)
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except (ConfigParser.NoSectionError, ConfigParser.NoOptionError) as e:
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try:
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return BMConfigDefaults[section][option]
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except (KeyError, ValueError, AttributeError):
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raise e
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def safeGetBoolean(self, section, field):
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try:
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return self.getboolean(section, field)
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except (ConfigParser.NoSectionError, ConfigParser.NoOptionError, ValueError, AttributeError):
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return False
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def safeGetInt(self, section, field, default=0):
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try:
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return self.getint(section, field)
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except (ConfigParser.NoSectionError, ConfigParser.NoOptionError, ValueError, AttributeError):
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return default
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def safeGet(self, section, option, default = None):
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try:
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return self.get(section, option)
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except (ConfigParser.NoSectionError, ConfigParser.NoOptionError, ValueError, AttributeError):
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return default
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def items(self, section, raw=False, vars=None):
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return ConfigParser.ConfigParser.items(self, section, True, vars)
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def addresses(self):
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return filter(lambda x: x.startswith('BM-'), BMConfigParser().sections())
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def save(self):
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fileName = os.path.join(state.appdata, 'keys.dat')
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fileNameBak = fileName + "." + datetime.datetime.now().strftime("%Y%j%H%M%S%f") + '.bak'
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# create a backup copy to prevent the accidental loss due to the disk write failure
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try:
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shutil.copyfile(fileName, fileNameBak)
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# The backup succeeded.
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fileNameExisted = True
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except (IOError, Exception):
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# The backup failed. This can happen if the file didn't exist before.
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fileNameExisted = False
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# write the file
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with open(fileName, 'wb') as configfile:
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self.write(configfile)
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# delete the backup
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if fileNameExisted:
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os.remove(fileNameBak)
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