updated tutorial:

- added generate_data.py module to generate the example and test data
- renamed 'population_session' dataset as 'demography_eurostat'
- included values for years 2016 and 2017 for all arrays of 'demography_eurostat'
- fix #785
- added the 'Pythonic VS String Syntax' section
- updated all existing sections to include changes up to the 0.31 release version

doc/source/tutorial.rst

@@ -18,6 +18,7 @@ It is mainly dedicated to help new users to familiarize with it and others to re
    ./tutorial/tutorial_transforming.ipynb
    ./tutorial/tutorial_indexing.ipynb
    ./tutorial/tutorial_arithmetic_op_and_aggregation.ipynb
+   ./tutorial/tutorial_string_syntax.ipynb
    ./tutorial/tutorial_plotting.ipynb
    ./tutorial/tutorial_miscellaneous.ipynb
    ./tutorial/tutorial_sessions.ipynb

doc/source/tutorial/tutorial_IO.ipyml

@@ -574,17 +574,17 @@ cells:
 - code: |
     # create a new Session object and load all arrays, axes, groups and metadata 
     # from all CSV files located in the passed directory
-    csv_dir = get_example_filepath('population_session')
+    csv_dir = get_example_filepath('demography_eurostat')
     session = Session(csv_dir)
 
     # create a new Session object and load all arrays, axes, groups and metadata
     # stored in the passed Excel file
-    filepath_excel = get_example_filepath('population_session.xlsx')
+    filepath_excel = get_example_filepath('demography_eurostat.xlsx')
     session = Session(filepath_excel)
 
     # create a new Session object and load all arrays, axes, groups and metadata
     # stored in the passed HDF5 file
-    filepath_hdf = get_example_filepath('population_session.h5')
+    filepath_hdf = get_example_filepath('demography_eurostat.h5')
     session = Session(filepath_hdf)
 
     print(session.summary())

doc/source/tutorial/tutorial_IO.ipynb

@@ -835,17 +835,17 @@
    "source": [
     "# create a new Session object and load all arrays, axes, groups and metadata \n",
     "# from all CSV files located in the passed directory\n",
-    "csv_dir = get_example_filepath('population_session')\n",
+    "csv_dir = get_example_filepath('demography_eurostat')\n",
     "session = Session(csv_dir)\n",
     "\n",
     "# create a new Session object and load all arrays, axes, groups and metadata\n",
     "# stored in the passed Excel file\n",
-    "filepath_excel = get_example_filepath('population_session.xlsx')\n",
+    "filepath_excel = get_example_filepath('demography_eurostat.xlsx')\n",
     "session = Session(filepath_excel)\n",
     "\n",
     "# create a new Session object and load all arrays, axes, groups and metadata\n",
     "# stored in the passed HDF5 file\n",
-    "filepath_hdf = get_example_filepath('population_session.h5')\n",
+    "filepath_hdf = get_example_filepath('demography_eurostat.h5')\n",
     "session = Session(filepath_hdf)\n",
     "\n",
     "print(session.summary())"