Add a vendored and modified pytimeparse

Signed-off-by: Daniel Nephin <dnephin@docker.com>

tests/unit/timeparse_test.py

@@ -0,0 +1,52 @@
+from __future__ import absolute_import
+from __future__ import unicode_literals
+
+from compose import timeparse
+
+
+def test_milli():
+    assert timeparse.timeparse('5ms') == 0.005
+
+
+def test_milli_float():
+    assert timeparse.timeparse('50.5ms') == 0.0505
+
+
+def test_second_milli():
+    assert timeparse.timeparse('200s5ms') == 200.005
+
+
+def test_second_milli_micro():
+    assert timeparse.timeparse('200s5ms10us') == 200.00501
+
+
+def test_second():
+    assert timeparse.timeparse('200s') == 200
+
+
+def test_second_as_float():
+    assert timeparse.timeparse('20.5s') == 20.5
+
+
+def test_minute():
+    assert timeparse.timeparse('32m') == 1920
+
+
+def test_hour_minute():
+    assert timeparse.timeparse('2h32m') == 9120
+
+
+def test_minute_as_float():
+    assert timeparse.timeparse('1.5m') == 90
+
+
+def test_hour_minute_second():
+    assert timeparse.timeparse('5h34m56s') == 20096
+
+
+def test_invalid_with_space():
+    assert timeparse.timeparse('5h 34m 56s') is None
+
+
+def test_invalid_with_comma():
+    assert timeparse.timeparse('5h,34m,56s') is None