Python3 compatibility and dependency management

.gitignore

@@ -1,3 +1,4 @@
 *.pyc
 __pycache__/
-build/
+build/
+*.egg-info

setup.py

@@ -25,5 +25,6 @@
       license='LGPL',
       url='http://seis.bris.ac.uk/~enxjn/xppy',
       platforms='All-platforms',
-      packages=['xppy','xppy.parser','xppy.utils']
+      packages=['xppy','xppy.parser','xppy.utils'],
+      install_requires=['numpy', 'matplotlib'],
       )

xppy/parser/__init__.py

@@ -1,4 +1,4 @@
-from parse import *
-from run import *
+from .parse import *
+from .run import *
 
 #__all__ = ['ode', 'set', 'run']

xppy/parser/parse.py

@@ -26,6 +26,8 @@
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 '''
+from __future__ import print_function
+from __future__ import absolute_import
 import os
 import numpy as np
 
@@ -38,7 +40,7 @@ def change_ode(ode_file=tmp_ode, new_pars=[]):
     Function changes the parameters and initial conditions specified in
     new_pars in given ode_file. 
     '''
-    print 'Warning! Function is obsolete, use changeOde instead!'
+    print('Warning! Function is obsolete, use changeOde instead!')
     changeOde(new_pars, ode_file)
 
 def changeOde(new_pars, ode_file=tmp_ode):
@@ -177,7 +179,7 @@ def change_set(set_file, new_pars):
     Function changes the parameters and initial conditions specified in
     new_pars in given ode_file. 
     '''
-    print 'Warning! Function is obsolete, use changeSet instead!'
+    print('Warning! Function is obsolete, use changeSet instead!')
     changeSet(new_pars, set_file)
 
 def changeSet(new_pars, set_file=tmp_set):

xppy/parser/run.py

@@ -26,6 +26,9 @@
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 '''
+from __future__ import print_function
+from __future__ import absolute_import
+
 import os
 import shutil
 from xppy.parser import parse
@@ -39,7 +42,7 @@
 def set_cmd(xpp_path):
     global c_g
     c_g = os.path.join(xpp_path, c_g)
-    print "XPP Path set: %s" % (c_g,)
+    print("XPP Path set: %s" % (c_g,))
     return c_g
 
 def run(ode_file=tmp_ode, set_file=tmp_set, verbose=False):
@@ -94,7 +97,7 @@ def createTmp(ode_file=None, set_file=None):
     if set_file != None:
         shutil.copy(set_file, tmp_set)
     if ode_file == None and set_file == None:
-        print 'Warning! No files where created, both ode and set arguments are None.'
+        print('Warning! No files where created, both ode and set arguments are None.')
 
 def deleteTmp(del_ode=True, del_set=True):
     '''

xppy/utils/allutils.py

@@ -26,8 +26,8 @@
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 '''
-from allinfo import *
-from data import *
-from diagram import *
-from solution import * 
-from output import *
+from .allinfo import *
+from .data import *
+from .diagram import *
+from .solution import *
+from .output import *

xppy/utils/plot.py

@@ -26,6 +26,9 @@
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 '''
+from __future__ import print_function
+from __future__ import absolute_import
+
 import numpy as np #@UnresolvedImport
 from xppy.utils import allinfo
 import matplotlib.pyplot as pl #@UnresolvedImport

xppy/utils/solution.py

@@ -26,7 +26,7 @@
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 '''
-
+from __future__ import print_function
 import numpy as np #@UnresolvedImport
 
 ####