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py3: also make plugin installer work

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We check if versions compare favorably to the installed version, and if
it None, then we report that it can be installed. But this check always
returns None < available_version on python2, and on python3 it is a
comparison error -- so lift out the None handling to return as early as
possible.
This commit is contained in:
Eli Schwartz 2019-04-22 21:36:57 -04:00
parent eab2c99b60
commit 4fc124adb0
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1 changed files with 5 additions and 6 deletions
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src/calibre/gui2/dialogs/plugin_updater.py
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@ -412,11 +412,10 @@ class DisplayPluginModel(QAbstractTableModel):
return (_('You must upgrade to at least calibre %s before installing this plugin') %
self._get_display_version(display_plugin.calibre_required_version)+'\n\n'+
_('Right-click to see more options'))
if display_plugin.installed_version < display_plugin.available_version:
if display_plugin.installed_version is None:
return (_('You can install this plugin')+'\n\n'+
_('Right-click to see more options'))
else:
if display_plugin.installed_version < display_plugin.available_version:
return (_('A new version of this plugin is available')+'\n\n'+
_('Right-click to see more options'))
return (_('This plugin is installed and up-to-date')+'\n\n'+