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authorVG <vg@devys.org>2016-02-25 23:54:43 +0100
committerVG <vg@devys.org>2016-02-25 23:54:43 +0100
commitd92048da7ec2d84a7b1cc8ad9f0dc62ee79e1426 (patch)
tree65dd1f0b7da2edd15834552f2478fba646953111
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first commit
-rwxr-xr-xtests/command.sh2
-rw-r--r--tests/queue.txt26
-rwxr-xr-xtests/wqueue.py44
3 files changed, 72 insertions, 0 deletions
diff --git a/tests/command.sh b/tests/command.sh
new file mode 100755
index 0000000..c942ef4
--- /dev/null
+++ b/tests/command.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+exec sleep 10
diff --git a/tests/queue.txt b/tests/queue.txt
new file mode 100644
index 0000000..0edb856
--- /dev/null
+++ b/tests/queue.txt
@@ -0,0 +1,26 @@
+a
+b
+c
+d
+e
+f
+g
+h
+i
+j
+k
+l
+m
+n
+o
+p
+q
+r
+s
+t
+u
+v
+w
+x
+y
+z
diff --git a/tests/wqueue.py b/tests/wqueue.py
new file mode 100755
index 0000000..837fb26
--- /dev/null
+++ b/tests/wqueue.py
@@ -0,0 +1,44 @@
+#!/usr/bin/python3
+
+import fcntl
+import time
+import subprocess
+import os
+
+QUEUE_FILE = 'queue.txt'
+COMMAND = './command.sh'
+
+def do_job(command=None, arg=None):
+ assert(command)
+ assert(arg)
+ print('arg:', arg)
+ print('doing operation with arg')
+ ret = subprocess.check_call([command, arg])
+ print('ret:', ret)
+ return ret == 0
+
+def read_next_job_arg():
+ with open(QUEUE_FILE, 'r') as f:
+ line = f.readline()
+ return line.strip()
+
+def pop_job_arg():
+ queue = QUEUE_FILE
+ queue_tmp = queue + '.tmp'
+ linecount = 0
+ with open(queue, 'r') as fi, open(queue_tmp, 'w') as fo:
+ for line in fi:
+ linecount += 1
+ if linecount == 1:
+ continue
+ fo.write(line)
+ os.rename(queue_tmp, queue)
+
+#with open('queue.txt', 'w') as f:
+# fcntl.lockf(f, fcntl.LOCK_EX)
+# time.sleep(9999)
+
+while True:
+ job_arg = read_next_job_arg()
+ if do_job(command=COMMAND, arg=job_arg):
+ pop_job_arg()