Clean up doctest temporary example files.

Update .hgignore to include version.py and build directory.
Fixes networkx#433

.hgignore

@@ -1,3 +1,5 @@
 syntax: glob
 *.pyc
 *~
+build/*
+networkx/version.py

networkx/readwrite/adjlist.py

@@ -308,3 +308,8 @@ def read_adjlist(path, comments="#", delimiter=' ', create_using=None,
                          create_using = create_using,
                          nodetype = nodetype)
 
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.adjlist')
+    os.unlink('test.adjlist.gz')

networkx/readwrite/edgelist.py

@@ -378,7 +378,7 @@ def write_weighted_edgelist(G, path, comments="#",
     --------
     >>> G=nx.Graph()
     >>> G.add_edge(1,2,weight=7)
-    >>> nx.write_weighted_edgelist(G, 'weighted.edgelist')
+    >>> nx.write_weighted_edgelist(G, 'test.weighted.edgelist')
 
     See Also
     --------
@@ -442,3 +442,11 @@ def read_weighted_edgelist(path, comments="#", delimiter=' ',
                          data=(('weight',float),),
                          encoding = encoding
                          )
+
+
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.edgelist')
+    os.unlink('test.edgelist.gz')
+    os.unlink('test.weighted.edgelist')

networkx/readwrite/gml.py

@@ -394,3 +394,9 @@ def setup_module(module):
             import matplotlib.pyparsing
         except:
             raise SkipTest("pyparsing not available")
+
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.gml')
+    os.unlink('test.gml.gz')

networkx/readwrite/gpickle.py

@@ -94,3 +94,8 @@ def read_gpickle(path):
     """
     fh=_get_fh(path,'rb')
     return pickle.load(fh)
+
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.gpickle')

networkx/readwrite/graphml.py

@@ -361,3 +361,8 @@ def setup_module(module):
         import xml.etree.cElementTree
     except:
         raise SkipTest("xml.etree.cElementTree not available")
+
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.graphml')

networkx/readwrite/multiline_adjlist.py

@@ -387,3 +387,8 @@ def read_multiline_adjlist(path, comments="#", delimiter=' ',
                                    edgetype = edgetype)
 
 
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.adjlist')
+    os.unlink('test.adjlist.gz')

networkx/readwrite/nx_yaml.py

@@ -105,3 +105,8 @@ def setup_module(module):
         import yaml
     except:
         raise SkipTest("PyYAML not available")
+
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.yaml')

networkx/readwrite/pajek.py

@@ -217,3 +217,8 @@ def parse_pajek(lines):
     #         G=nx.Graph(G)
     return G
 
+
+# fixture for nose tests
+def teardown_module(module):
+    import os
+    os.unlink('test.net')