Require Python >= 2.7 in setup.py

Author: isuruf

.travis.yml

@@ -38,8 +38,7 @@ env:
   - PYTHON_VERSION="2.7" BUILD_SHARED_LIBS="yes"
 
   # These test the setup.py file
-  - PYTHON_VERSION="2.6" WITH_MPFR="yes" INTEGER_CLASS="gmp"
-  - PYTHON_VERSION="2.7" WITH_MPC="yes"
+  - PYTHON_VERSION="2.7" WITH_MPFR="yes" INTEGER_CLASS="gmp"
   - PYTHON_VERSION="3.3" WITH_MPC="yes"
   - PYTHON_VERSION="3.4" WITH_MPFR="yes" WITH_NUMPY="yes"
   - PYTHON_VERSION="3.5" WITH_MPFR="yes" WITH_NUMPY="yes"

README.md

@@ -11,7 +11,7 @@ a fast C++ symbolic manipulation library.
 
     add-apt-repository ppa:symengine/ppa
     apt-get update
-    apt-get install python-symengine
+    apt-get install python-symengine        # or python3-symengine if using python3
 
 ### Conda package manager
 

setup.py

@@ -4,8 +4,8 @@
 import sys
 
 # Make sure the system has the right Python version.
-if sys.version_info[:2] < (2, 6):
-    print("SymEngine requires Python 2.6 or newer. Python %d.%d detected" % sys.version_info[:2])
+if sys.version_info[:2] < (2, 7):
+    print("SymEngine requires Python 2.7 or newer. Python %d.%d detected" % sys.version_info[:2])
     sys.exit(-1)
 
 # use setuptools by default as per the official advice at:
@@ -196,7 +196,6 @@ def run(self):
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Mathematics',
         'Topic :: Scientific/Engineering :: Physics',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3.3',
         'Programming Language :: Python :: 3.4',