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HW_PluginBase: small clean-up for 'maximum_library'

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SomberNight 2020-06-04 18:49:14 +02:00
parent e07d5d8422
commit dc6dbe5bfb
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1 changed files with 4 additions and 3 deletions
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7
electrum/plugins/hw_wallet/plugin.py
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@ -46,7 +46,9 @@ class HW_PluginBase(BasePlugin):
keystore_class: Type['Hardware_KeyStore'] keystore_class: Type['Hardware_KeyStore']
libraries_available: bool libraries_available: bool
# define supported library versions: minimum_library <= x < maximum_library
minimum_library = (0, ) minimum_library = (0, )
maximum_library = (float('inf'), )
def __init__(self, parent, config, name): def __init__(self, parent, config, name):
BasePlugin.__init__(self, parent, config, name) BasePlugin.__init__(self, parent, config, name)
@ -149,17 +151,16 @@ class HW_PluginBase(BasePlugin):
# if no exception so far, we might still raise LibraryFoundButUnusable # if no exception so far, we might still raise LibraryFoundButUnusable
if (library_version == 'unknown' if (library_version == 'unknown'
or versiontuple(library_version) < self.minimum_library or versiontuple(library_version) < self.minimum_library
or hasattr(self, "maximum_library") and versiontuple(library_version) >= self.maximum_library): or versiontuple(library_version) >= self.maximum_library):
raise LibraryFoundButUnusable(library_version=library_version) raise LibraryFoundButUnusable(library_version=library_version)
except ImportError: except ImportError:
return False return False
except LibraryFoundButUnusable as e: except LibraryFoundButUnusable as e:
library_version = e.library_version library_version = e.library_version
max_version_str = version_str(self.maximum_library) if hasattr(self, "maximum_library") else "inf"
self.libraries_available_message = ( self.libraries_available_message = (
_("Library version for '{}' is incompatible.").format(self.name) _("Library version for '{}' is incompatible.").format(self.name)
+ '\nInstalled: {}, Needed: {} <= x < {}' + '\nInstalled: {}, Needed: {} <= x < {}'
.format(library_version, version_str(self.minimum_library), max_version_str)) .format(library_version, version_str(self.minimum_library), version_str(self.maximum_library)))
self.logger.warning(self.libraries_available_message) self.logger.warning(self.libraries_available_message)
return False return False