Merge pull request #6 from alexcouper/add_sync_method

Add sync argument; Bump to 0.6

CHANGELOG

@@ -1,3 +1,8 @@
+0.6
+---
+
+Add `sync` argument to be able to run bash in non-blocking form
+
 0.5
 ---
 

bash/__init__.py

@@ -18,10 +18,15 @@ def __init__(self, *args, **kwargs):
         self.stdout = None
         self.bash(*args, **kwargs)
 
-    def bash(self, cmd, env=None, stdout=PIPE, stderr=PIPE, timeout=None):
+    def bash(self, cmd, env=None, stdout=PIPE, stderr=PIPE, timeout=None, sync=True):
         self.p = Popen(
             cmd, shell=True, stdout=stdout, stdin=PIPE, stderr=stderr, env=env
         )
+        if sync:
+            self.sync(timeout)
+        return self
+
+    def sync(self, timeout=None):
         kwargs = {'input': self.stdout}
         if timeout:
             kwargs['timeout'] = timeout

setup.py

@@ -8,7 +8,7 @@
 setup(
     name='bash',
     description='Bash for Python',
-    version='0.5',
+    version='0.6',
     long_description=long_description,
     author='Alex Couper',
     author_email='info@alexcouper.com',

tests.py

@@ -1,3 +1,4 @@
+from datetime import datetime
 import unittest
 
 try:
@@ -56,3 +57,12 @@ def test_timeout_works(self):
         if not bash_module.SUBPROCESS_HAS_TIMEOUT:
             raise unittest.SkipTest()
         self.assertRaises(TimeoutExpired, bash, 'sleep 2; echo 1', timeout=1)
+
+    def test_sync_false_does_not_wait(self):
+        t1 = datetime.now()
+        b = bash('sleep 0.5; echo 1', sync=False)
+        t2 = datetime.now()
+
+        self.assertTrue((t2-t1).total_seconds() < 0.5)
+        b.sync()
+        self.assertEqual(b.stdout, b'1\n')

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27,py32,py34
+envlist = py27,py32,py34,py35
 
 
 [testenv]