def set_tracker(self, tracker, changes_only = False):
"""Initialize this instance with the package tracker to visualize
@param tracker a PackageMetaDataChangeTracker instance
@param changes_only if True, only changed packages will be shown, not all the tracked packages
@return self"""
self.reset()
changes = tracker.changes()
packages = dict(((name, data) for data, name in tracker.iter_package_data()))
previous_packages = dict(((name, data) for data, name in tracker.iter_package_data(previous=True)))
hide_message = lambda: self.ui.message.setVisible(False)
if not changes and not packages:
log.warn("Input tracker was empty")
return self
# end bail out if there is nothing to display
if changes:
hide_message()
# new packages
added = set(packages.keys()) - set(previous_packages.keys())
self.ui.pnew.setVisible(bool(added))
self._update_packages(self.ui.pnew, packages, previous_packages, lambda name: name in added)
# removed packges
removed = set(previous_packages.keys()) - set(packages.keys())
self.ui.premoved.setVisible(bool(removed))
self._update_packages(self.ui.premoved, previous_packages, packages, lambda name: name in removed)
# remaining packages
remaining = set(changes.packages.keys()) - added
self.ui.pchanged.setVisible(bool(remaining))
self._update_packages(self.ui.pchanged, packages, previous_packages, lambda name: name in remaining)
# end handle gui
if changes_only:
return self
# end bail out if there where changes
# fill in all packages
hide_message()
self.ui.pall.setVisible(True)
self.ui.pall.setTitle("%s Packages" % capitalize(tracker.package_name()))
self._update_packages(self.ui.pall, packages)
def set_package(self, name, data, previous_data = None):
"""Set the widget to display information based on the given package data, which must match
the schema of the PackageMetaDataChangeTracker
@param name package name
@param data package scheme compliant data of the current package state
@param previous_data similar to data, but the last values we have seen, and only those who have changed
@return self"""
self.ui.package_label.setText("<b>%s@%s</b>" % (capitalize(data.name or name), data.version))
self.ui.help.setVisible(bool(data.url))
self.ui.version_previous.setHidden(True)
self._url = data.url
self.ui.description.setText(data.description)
self.ui.description_group.setVisible(bool(data.description))
if previous_data:
# anything could have changed, make sure it is the version indeed
if previous_data.version != data.version:
self.ui.version_previous.setHidden(False)
self.ui.version_previous.setText("Previous Version: %s" % str(previous_data.version))
# end handle version change
# end handle version
return self
