Merge #120

120: TCPIP INSTR Session / RPC timeout handling improvements r=MatthieuDartiailh a=skrchnavy

* `rpc` module changes:
  * updated to use timeout and fragmentation size in recv and write operations
  * fragmentation support in write operation
  * connect is timeouted based on timeout
  * 'select' moved to `_sendrecord` and `_recvrecord` functions
* `tcpip` module:
 * open_timeout passed to rpc via vxi11

Related to #88

.travis.yml

@@ -10,22 +10,17 @@ branches:
  - master
 
 python:
- - "2.6"
  - "2.7"
- - "3.2"
- - "3.3"
  - "3.4"
  - "3.5"
  - "3.6"
 
 install:
- - if [ $TRAVIS_PYTHON_VERSION == '2.6' ]; then pip install unittest2; fi
- - if [ $TRAVIS_PYTHON_VERSION == '3.2' ]; then pip install coverage==3.7.1; else pip install coverage; fi
+ - pip install coverage
  - pip install coveralls
 
 script:
- - if [ $TRAVIS_PYTHON_VERSION == '2.6' ]; then coverage run -p --source=pyvisa-py --omit="*test*" setup.py test; fi
- - if [ $TRAVIS_PYTHON_VERSION != '2.6' ]; then python -bb -m coverage run -p --source=pyvisa-py --omit="*test*" setup.py test; fi
+ - python -bb -m coverage run -p --source=pyvisa-py --omit="*test*" setup.py test
  - coverage combine
  - coverage report -m
 

README

@@ -38,7 +38,7 @@ Python has a couple of features that make it very interesting for measurement co
 Requirements
 ------------
 
-- Python (tested with 2.6 and 2.7, 3.2+)
+- Python (tested with 2.7, 3.4+)
 - PyVISA 1.6+
 
 Optionally

pyvisa-py/common.py

@@ -9,7 +9,8 @@
  :license: MIT, see LICENSE for more details.
 """
 
-from __future__ import division, unicode_literals, print_function, absolute_import
+from __future__ import (division, unicode_literals, print_function,
+ absolute_import)
 
 import logging
 import sys