- small bugfixes in doctests and unit-tests

DHParser/syntaxtree.py

@@ -449,7 +449,7 @@ class Node:  # (collections.abc.Sized): Base class omitted for cython-compatibil
             OrderedDict([('id', 'identificator')])
             >>> node.attr['id']
             'identificator'
-            >>> del node['id']
+            >>> del node.attr['id']
             >>> node.attr
             OrderedDict()
 

README.md

@@ -27,7 +27,7 @@ License
 
 DHParser is open source software under the [Apache 2.0 License](https://www.apache.org/licenses/LICENSE-2.0).
 
-Copyright 2016-2018  Eckhart Arnold, Bavarian Academy of Sciences and Humanities
+Copyright 2016-2019  Eckhart Arnold, Bavarian Academy of Sciences and Humanities
 
 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
@@ -172,7 +172,10 @@ parsing process will be stored in a sub-directory named "LOG".
 Introduction
 ------------
 
-see [Introduction.md](https://gitlab.lrz.de/badw-it/DHParser/blob/master/Introduction.md)
+See [Introduction.md](https://gitlab.lrz.de/badw-it/DHParser/blob/master/Introduction.md) for the 
+motivation and an overview how DHParser works or jump right into the 
+[Step by Step Guide](https://gitlab.lrz.de/badw-it/DHParser/blob/master/documentation_src/StepByStepGuide.rst) to
+learn how to setup and use DHParser.
 
 
 References and Acknowledment

test/test_dhparser.py

@@ -35,6 +35,8 @@ class TestDHParserCommandLineTool:
         os.chdir(scriptdir)
         if not os.path.exists('testdata'):
             os.mkdir('testdata')
+        self.nulldevice = " >/dev/null" if platform.system() != "Windows" else " > NUL"
+        self.python = 'python3 ' if os.system('python3 -V' + self.nulldevice) == 0 else 'python '
 
     def teardown(self):
         if os.path.exists('testdata/neu') and os.path.isdir('testdata/neu'):
@@ -44,10 +46,9 @@ class TestDHParserCommandLineTool:
         os.chdir(self.cwd)
 
     def test_dhparser(self):
-        nulldevice = " >/dev/null" if platform.system() != "Windows" else " > NUL"
-        os.system('python3 ../scripts/dhparser.py testdata/neu ' + nulldevice)
-        os.system('python3 testdata/neu/tst_neu_grammar.py ' + nulldevice)
-        os.system('python3 testdata/neu/neuCompiler.py testdata/neu/example.dsl '
+        os.system(self.python + '../scripts/dhparser.py testdata/neu ' + self.nulldevice)
+        os.system(self.python + 'testdata/neu/tst_neu_grammar.py ' + self.nulldevice)
+        os.system(self.python + 'testdata/neu/neuCompiler.py testdata/neu/example.dsl '
                   '>testdata/neu/example.xml')
         with open('testdata/neu/example.xml', 'r', encoding='utf-8') as f:
             xml = f.read()