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520cbb0165
there are many and various fiddly details that were involved in this process on mountain view. This is a stripped down version of the build process used there. there's hence a good chance that one or two necessary details got stripped down through the cracks. this provides a py2exe setup.py to build a tahoe.exe and a tahoesvc.exe the former is equivalent to bin/tahoe, but without the start/stop commands. the latter is a windows service that instantiates a client whose basedir is found in the registry.
78 lines
2.2 KiB
Python
78 lines
2.2 KiB
Python
import sys
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import _winreg
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_AMD_KEY = r"Software\Allmydata"
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_BDIR_KEY = 'Base Dir Path'
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if sys.platform not in ('win32'):
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raise ImportError, "registry cannot be used on non-windows systems"
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class WindowsError(Exception): # stupid voodoo to appease pyflakes
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pass
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def get_registry_setting(key, name, _topkey=None):
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"""
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This function iterates through _topkey (if not None),
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HKEY_CURRENT_USER, and HKEY_LOCAL_MACHINE before giving up.
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@note: Only supports string values.
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@param key: The key we are searching.
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@type key: String
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@param name: The name of the setting we are querying.
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@type name: String
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"""
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topkeys = [_winreg.HKEY_CURRENT_USER, _winreg.HKEY_LOCAL_MACHINE]
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if _topkey:
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topkeys.insert(0, _topkey)
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for topkey in topkeys:
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try:
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regkey = _winreg.OpenKey(topkey, key)
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sublen, vallen, timestamp = _winreg.QueryInfoKey(regkey)
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for validx in xrange(vallen):
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keyname, value, keytype = _winreg.EnumValue(regkey, validx)
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if keyname == name and keytype == _winreg.REG_SZ:
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return value
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except WindowsError:
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continue
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# We didn't find the key:
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raise KeyError, (key, name, "registry setting not found")
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def set_registry_setting(key, name, data, reg_type=_winreg.REG_SZ,
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_topkey=_winreg.HKEY_LOCAL_MACHINE, create_key_if_missing=True):
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"""
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Sets a registry setting.
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defaults to string values (REG_SZ) - overridable with reg_type.
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"""
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try:
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regkey = _winreg.OpenKey(_topkey, key, 0, _winreg.KEY_SET_VALUE)
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except WindowsError:
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if create_key_if_missing:
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regkey = _winreg.CreateKey(_topkey, key)
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else:
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raise KeyError, (key, "registry key not found")
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try:
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_winreg.DeleteValue(regkey, name)
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except:
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pass
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_winreg.SetValueEx(regkey, name, 0, reg_type, data)
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def get_registry_value(keyname):
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"""
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retrieves a registry key value from within the Software/Allmydata Inc key
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"""
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try:
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return get_registry_setting(_AMD_KEY, keyname)
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except KeyError:
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return None
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def get_base_dir_path():
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return get_registry_value(_BDIR_KEY)
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