X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fcontents.py;h=449fb88e126fdc13038c1fd512edf0631bfff060;hb=714b2bd26b5a5ba4c205de7d4fe51408edf3c14a;hp=0fa52df2823e1950a0262c26e81ff8a41d52b197;hpb=e49bd9ecb3469061ff51971dc562745c6adf6f5a;p=dak.git

diff --git a/daklib/contents.py b/daklib/contents.py
index 0fa52df2..449fb88e 100755
--- a/daklib/contents.py
+++ b/daklib/contents.py
@@ -34,6 +34,7 @@ from subprocess import Popen, PIPE, check_call
 from tempfile import mkdtemp
 
 import os.path
+import signal
 
 class BinaryContentsWriter(object):
     '''
@@ -284,7 +285,7 @@ def binary_helper(suite_id, arch_id, overridetype_id, component_id = None):
     This function is called in a new subprocess and multiprocessing wants a top
     level function.
     '''
-    session = DBConn().session()
+    session = DBConn().session(work_mem = 1000)
     suite = Suite.get(suite_id, session)
     architecture = Architecture.get(arch_id, session)
     overridetype = OverrideType.get(overridetype_id, session)
@@ -303,7 +304,7 @@ def source_helper(suite_id, component_id):
     This function is called in a new subprocess and multiprocessing wants a top
     level function.
     '''
-    session = DBConn().session()
+    session = DBConn().session(work_mem = 1000)
     suite = Suite.get(suite_id, session)
     component = Component.get(component_id, session)
     log_message = [suite.suite_name, 'source', component.component_name]
@@ -426,6 +427,11 @@ def binary_scan_helper(binary_id):
     scanner.scan()
 
 
+def subprocess_setup():
+    # Python installs a SIGPIPE handler by default. This is usually not what
+    # non-Python subprocesses expect.
+    signal.signal(signal.SIGPIPE, signal.SIG_DFL)
+
 class UnpackedSource(object):
     '''
     UnpackedSource extracts a source package into a temporary location and
@@ -435,13 +441,11 @@ class UnpackedSource(object):
         '''
         The dscfilename is a name of a DSC file that will be extracted.
         '''
-        self.root_directory = os.path.join(mkdtemp(), 'root')
-        command = ('dpkg-source', '--no-copy', '--no-check', '-x', dscfilename,
-            self.root_directory)
-        # dpkg-source does not have a --quiet option
-        devnull = open(os.devnull, 'w')
-        check_call(command, stdout = devnull, stderr = devnull)
-        devnull.close()
+        temp_directory = mkdtemp(dir = Config()['Dir::TempPath'])
+        self.root_directory = os.path.join(temp_directory, 'root')
+        command = ('dpkg-source', '--no-copy', '--no-check', '-q', '-x',
+            dscfilename, self.root_directory)
+        check_call(command, preexec_fn = subprocess_setup)
 
     def get_root_directory(self):
         '''