add news reporting capability when adding/syncing overlays. Bug 388233

3 files changed, 35 insertions, 7 deletions

diff --git a/layman/api.py b/layman/api.py
index 3005c3f..cbf70e6 100755
--- a/layman/api.py
+++ b/layman/api.py
@@ -32,8 +32,6 @@ UNKNOWN_REPO_ID = "Repo ID '%s' " + \
 class LaymanAPI(object):
     """class to hold and run a layman instance for use by API consumer apps, guis, etc.
     """
-    ## hell, even the current cli should probably be converted to use this one.
-    ## It is a near duplicate of the actions classes.
 
     def __init__(self, config=None, report_errors=False, output=None):
         """
@@ -126,12 +124,12 @@ class LaymanAPI(object):
         return True
 
 
-    def add_repos(self, repos):
+    def add_repos(self, repos, update_news=False):
         """installs the seleted repo id
 
         @type repos: list of strings or string
         @param repos: ['repo-id', ...] or 'repo-id'
-        @param output: method to handle output if desired
+        @param update_news: bool, defaults to False
         @rtype dict
         """
         repos = self._check_repo_type(repos, "add_repo")
@@ -154,6 +152,9 @@ class LaymanAPI(object):
                     "' : "+str(e))
             results.append(success)
             self.get_installed(dbreload=True)
+        if (True in results) and update_news:
+            self.update_news(repos)
+
         if False in results:
             return False
         return True
@@ -287,11 +288,13 @@ class LaymanAPI(object):
             return self._get_remote_db().list(verbose=verbose, width=width)
 
 
-    def sync(self, repos, output_results=True):
+    def sync(self, repos, output_results=True, update_news=False):
         """syncs the specified repo(s) specified by repos
 
         @type repos: list of strings or string
         @param repos: ['repo-id1', ...] or 'repo-id'
+        @param output_results: bool, defaults to True
+        @param update_news: bool, defaults to False
         @rtype bool or {'repo-id': bool,...}
         """
         self.output.debug("API.sync(); repos to sync = %s" % ', '.join(repos), 5)
@@ -387,6 +390,9 @@ class LaymanAPI(object):
 
         self.sync_results = (success, warnings, fatals)
 
+        if update_news:
+            self.update_news(repos)
+
         return fatals == []
 
 
@@ -522,6 +528,7 @@ class LaymanAPI(object):
             return messages
         return []
 
+
     def supported_types(self):
         """returns a dictionary of all repository types,
         with boolean values"""
@@ -534,6 +541,25 @@ class LaymanAPI(object):
         return supported
 
 
+    def update_news(self, repos=None):
+        try:
+            if self.config['news_reporter'] == 'portage':
+                from _emerge.actions import (display_news_notification,
+                    load_emerge_config)
+                settings, trees, mtimedb = load_emerge_config()
+                display_news_notification(trees[settings["ROOT"]]["root_config"],
+                    {"news_repos": repos})
+            elif self.config['news_reporter'] == 'custom':
+                self.config['custom_news_func'](repos)
+            elif self.config['news_reporter'] == 'pkgcore':
+                return
+        except:
+            self._error("update_news() failed running %s news reporter function"
+                % self.config['news_reporter'])
+        return
+
+
+
 def create_fd():
     """creates file descriptor pairs an opens them ready for
     use in place of stdin, stdout, stderr.
diff --git a/layman/cli.py b/layman/cli.py
index 95ec858..b716ea0 100644
--- a/layman/cli.py
+++ b/layman/cli.py
@@ -230,7 +230,7 @@ class Main(object):
         if 'ALL' in selection:
             selection = self.api.get_available()
         self.output.debug('Adding selected overlays', 6)
-        result = self.api.add_repos(selection)
+        result = self.api.add_repos(selection, update_news=True)
         if result:
             self.output.info('Successfully added overlay(s) '+\
                 ', '.join(selection) +'.', 2)
@@ -249,7 +249,7 @@ class Main(object):
         if self.config['sync_all'] or 'ALL' in selection:
             selection = self.api.get_installed()
         self.output.debug('Updating selected overlays', 6)
-        result = self.api.sync(selection)
+        result = self.api.sync(selection, update_news=True)
         # blank newline  -- no " *"
         self.output.notice('')
         return result
diff --git a/layman/config.py b/layman/config.py
index 2af4069..c245853 100644
--- a/layman/config.py
+++ b/layman/config.py
@@ -95,6 +95,7 @@ class BareConfig(object):
                     'nocheck'   : 'yes',
                     'proxy'     : '',
                     'umask'     : '0022',
+                    'news_reporter': 'portage',
                     'overlays'  :
                     'http://www.gentoo.org/proj/en/overlays/repositories.xml',
                     'overlay_defs': '%(configdir)s/overlays',
@@ -144,6 +145,7 @@ class BareConfig(object):
                     'width': width,
                     'verbose': verbose,
                     'quiet': quiet,
+                    'custom_news_func': None,
                     }
         self._set_quietness(quietness)
         self.config = None