[dak/master 4/8] Implement class method ContentsWriter.write_all().

[Torsten Werner <twerner@debian.org>]

Signed-off-by: Torsten Werner <twerner@debian.org>
---
 daklib/contents.py |   36 ++++++++++++++++++++++++++++++++++--
 1 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/daklib/contents.py b/daklib/contents.py
index 840cb68..ac934f1 100755
--- a/daklib/contents.py
+++ b/daklib/contents.py
@@ -182,9 +182,10 @@ select bc.file, substring(o.section from position('/' in o.section) + 1) || '/'
             if header_file:
                 header_file.close()
 
-    def write_file(self):
+    def write_file(self, dummy_arg = None):
         '''
-        Write the output file.
+        Write the output file. The argument dummy_arg is ignored but needed by
+        our threadpool implementation.
         '''
         command = ['gzip', '--rsyncable']
         output_file = open(self.output_filename(), 'w')
@@ -195,6 +196,37 @@ select bc.file, substring(o.section from position('/' in o.section) + 1) || '/'
         pipe.close()
         output_file.close()
 
+    @classmethod
+    def write_all(class_, suite_names = [], force = False):
+        '''
+        Writes all Contents files for suites in list suite_names which defaults
+        to all 'touchable' suites if not specified explicitely. Untouchable
+        suites will be included if the force argument is set to True.
+        '''
+        session = DBConn().session()
+        suite_query = session.query(Suites)
+        if len(suite_names) > 0:
+            suite_query = suite_query.filter(Suite.suitename.in_(suite_names))
+        if not force:
+            suite_query = suite_query.filter_by(untouchable = False)
+        main = get_component('main', session)
+        non_free = get_component('non-free', session)
+        deb = get_override_type('deb', session)
+        udeb = get_override_type('udeb', session)
+        threadpool = ThreadPool()
+        for suite in suite_query:
+            for architecture in suite.architectures:
+                # handle 'deb' packages
+                writer = ContentsWriter(suite, architecture, deb)
+                threadpool.queueTask(writer.write_file)
+                # handle 'udeb' packages for 'main' and 'non-free'
+                writer = ContentsWriter(suite, architecture, udeb, component = main)
+                threadpool.queueTask(writer.write_file)
+                writer = ContentsWriter(suite, architecture, udeb, component = non_free)
+                threadpool.queueTask(writer.write_file)
+        threadpool.joinAll()
+        session.close()
+
 
 class ContentsScanner(object):
     '''
-- 
1.7.2.3