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-rw-r--r--src/util.py28
1 files changed, 27 insertions, 1 deletions
diff --git a/src/util.py b/src/util.py
index 0c44cdb..936538d 100644
--- a/src/util.py
+++ b/src/util.py
@@ -16,6 +16,32 @@ GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
'''
+import sys
+import threading
+import subprocess
-# TODO add utility functions
+
+def async(target, name = None, group = None):
+ '''
+ Start a function asynchronously
+
+ @param target:()→void The function
+ @param name:str? The name of the thread
+ @return :Thread A running deamon-thread running `target`, with the name `name`
+ '''
+ t = threading.Thread(target = target, name = name)
+ t.setDaemon(True)
+ t.start()
+ return t
+
+
+def spawn(*command):
+ '''
+ Spawn an external process
+
+ @param command:*str The command line
+ @return :istream The process's stdout
+ '''
+ proc = process.Popen(list(command), stderr = sys.stderr, stdout = PIPE)
+ return proc.stdout