lock down dependencies so things stop breaking

Author: fuhrysteve

.travis.yml

@@ -9,12 +9,11 @@ python:
   - 2.7
   - 3.3
   - 3.4
+  - 3.5
   - pypy
 install:
   - if [[ $TRAVIS_PYTHON_VERSION == "2.6" ]]; then pip install ordereddict; fi
   - python setup.py install
-  - pip install git+https://github.com/chfw/pyexcel-xls.git
-  - pip install git+https://github.com/chfw/pyexcel.git
   - pip install -r tests/requirements.txt
 script:
   make test

setup.py

@@ -14,6 +14,13 @@
 if sys.version_info[0] == 2 and sys.version_info[1] < 7:
     dependencies.append('ordereddict')
 
+extras = {
+    'xls': ['pyexcel-xls==0.0.7'],
+    'xlsx': ['pyexcel-xlsx==0.0.7'],
+}
+
+pip install git+https://github.com/chfw/pyexcel-xls.git
+  - pip install git+https://github.com/chfw/pyexcel.git
 setup(
     name='pyexcel-io',
     author="C. W.",
@@ -22,6 +29,7 @@
     url="https://github.com/chfw/pyexcel-io",
     description='A python library to read and write structured data in csv, zipped csv format and to/from databases',
     install_requires=dependencies,
+    extras_require=extras,
     packages=find_packages(exclude=['ez_setup', 'examples', 'tests']),
     include_package_data=True,
     long_description=README_txt,

tests/requirements.txt

@@ -4,4 +4,5 @@ nose-cov
 python-coveralls
 coverage
 SQLAlchemy
-pyexcel-xls
+pyexcel-xls==0.0.7
+-e git+https://github.com/chfw/pyexcel.git@040cd392ec40069ac1a0f6df755694c8216366d8#egg=pyexcel-master