X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Fcontents.py;h=f3077aab6487eede63f71341d01ede61fec16525;hb=f74884ed707584673bc2066427fa94f3b348d065;hp=577a45aab3b6324d05bcb8c95b00d27c73f5e7f1;hpb=ed48066b1d8974fc525ba0d67d3da6ca0f7fa02c;p=dak.git diff --git a/daklib/contents.py b/daklib/contents.py index 577a45aa..f3077aab 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): ''' @@ -279,9 +280,10 @@ select sc.file, string_agg(s.source, ',' order by s.source) as pkglist os.rename(temp_filename, final_filename) -def generate_helper(suite_id, arch_id, overridetype_id, component_id = None): +def binary_helper(suite_id, arch_id, overridetype_id, component_id = None): ''' - This function is called in a new subprocess. + This function is called in a new subprocess and multiprocessing wants a top + level function. ''' session = DBConn().session() suite = Suite.get(suite_id, session) @@ -297,6 +299,19 @@ def generate_helper(suite_id, arch_id, overridetype_id, component_id = None): contents_writer.write_file() return log_message +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() + suite = Suite.get(suite_id, session) + component = Component.get(component_id, session) + log_message = [suite.suite_name, 'source', component.component_name] + contents_writer = SourceContentsWriter(suite, component) + contents_writer.write_file() + return log_message + class ContentsWriter(object): ''' Loop over all suites, architectures, overridetypes, and components to write @@ -326,19 +341,27 @@ class ContentsWriter(object): deb_id = get_override_type('deb', session).overridetype_id udeb_id = get_override_type('udeb', session).overridetype_id main_id = get_component('main', session).component_id + contrib_id = get_component('contrib', session).component_id non_free_id = get_component('non-free', session).component_id pool = Pool() for suite in suite_query: suite_id = suite.suite_id + # handle source packages + pool.apply_async(source_helper, (suite_id, main_id), + callback = class_.log_result) + pool.apply_async(source_helper, (suite_id, contrib_id), + callback = class_.log_result) + pool.apply_async(source_helper, (suite_id, non_free_id), + callback = class_.log_result) for architecture in suite.get_architectures(skipsrc = True, skipall = True): arch_id = architecture.arch_id # handle 'deb' packages - pool.apply_async(generate_helper, (suite_id, arch_id, deb_id), \ + pool.apply_async(binary_helper, (suite_id, arch_id, deb_id), \ callback = class_.log_result) # handle 'udeb' packages for 'main' and 'non-free' - pool.apply_async(generate_helper, (suite_id, arch_id, udeb_id, main_id), \ + pool.apply_async(binary_helper, (suite_id, arch_id, udeb_id, main_id), \ callback = class_.log_result) - pool.apply_async(generate_helper, (suite_id, arch_id, udeb_id, non_free_id), \ + pool.apply_async(binary_helper, (suite_id, arch_id, udeb_id, non_free_id), \ callback = class_.log_result) pool.close() pool.join() @@ -404,6 +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 @@ -413,13 +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): '''