Added possibility to search for debian errata (#1013)

in the form DSA-1234-1

airgun/__init__.py

@@ -1,3 +1,7 @@
+import re
+
 from airgun.settings import Settings
 
 settings = Settings()
+
+ERRATA_REGEXP = re.compile(r'\w{3,4}[:-]\d{4}[-:]\d{1,4}')

airgun/entities/errata.py

@@ -1,5 +1,4 @@
-import re
-
+from airgun import ERRATA_REGEXP
 from airgun.entities.base import BaseEntity
 from airgun.navigation import NavigateStep, navigator
 from airgun.utils import retry_navigation
@@ -137,6 +136,6 @@ def step(self, *args, **kwargs):
         repo = kwargs.get('repo')
         self.parent.search(entity_name, applicable=applicable, installable=installable, repo=repo)
         row_filter = {'title': entity_name}
-        if re.search(r'\w{3,4}[:-]\d{4}[-:]\d{4}', entity_name):
+        if ERRATA_REGEXP.search(entity_name):
             row_filter = {'errata_id': entity_name}
         self.parent.table.row(**row_filter)['Errata ID'].widget.click()

airgun/views/errata.py

@@ -1,8 +1,7 @@
-import re
-
 from widgetastic.widget import Checkbox, Text, View
 from widgetastic_patternfly import BreadCrumb
 
+from airgun import ERRATA_REGEXP
 from airgun.views.common import BaseLoggedInView, SatTab, TaskDetailsView
 from airgun.widgets import ItemsList, ReadOnlyEntry, SatSelect, SatTable, Search
 
@@ -40,7 +39,7 @@ def search(self, query, applicable=True, installable=False, repo=None):
         if repo is not None:
             self.repo_filter.fill(repo)
 
-        if re.search(r'\w{3,4}[:-]\d{4}[-:]\d{4}', query):
+        if ERRATA_REGEXP.search(query):
             query = f'id = {query}'
         self.searchbox.search(query)