add ch13 and some more notebook tests (rasbt#32)

.gitignore

@@ -8,6 +8,10 @@ code/ch12/t10k-labels-idx1-ubyte
 code/ch12/train-images-idx3-ubyte
 code/ch12/train-labels-idx1-ubyte
 code/ch12/mnist_scaled.npz
+code/ch13/t10k-images-idx3-ubyte
+code/ch13/t10k-labels-idx1-ubyte
+code/ch13/train-images-idx3-ubyte
+code/ch13/train-labels-idx1-ubyte
 docs/equations/*.aux
 docs/equations/*.log
 docs/equations/*.out

.travis/install_travis_env.sh

@@ -40,6 +40,7 @@ python -c "import matplotlib; print('matplotlib %s' % matplotlib.__version__)"
 python -c "import sklearn; print('sklearn %s' % sklearn.__version__)"
 python -c "import pandas; print('pandas %s' % pandas.__version__)"
 
+
 pip install --upgrade pip
 
 if [ "${COVERAGE}" = "true" ]; then
@@ -57,3 +58,6 @@ if [ "${LATEST}" = "true" ]; then
 else
   pip install tensorflow==$TENSORFLOW_VERSION;
 fi
+
+python -c "import tensorflow; print('tensorflow %s' % tensorflow.__version__)"
+

code/ch08/ch08.ipynb

@@ -139,6 +139,41 @@
     "B) If you are working with Windows, download an archiver such as [7Zip](http://www.7-zip.org) to extract the files from the download archive."
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "**Optional code to download and unzip the dataset via Python:**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import os\n",
+    "import sys\n",
+    "import tarfile\n",
+    "\n",
+    "\n",
+    "source = 'http://ai.stanford.edu/~amaas/data/sentiment/aclImdb_v1.tar.gz'\n",
+    "target = 'aclImdb_v1.tar.gz'\n",
+    "\n",
+    "if not os.path.isdir('aclImdb'):\n",
+    "    \n",
+    "    if (sys.version_info < (3, 0)):\n",
+    "        import urllib\n",
+    "        urllib.urlretrieve(source, target)\n",
+    "    \n",
+    "    else:\n",
+    "        import urllib.request\n",
+    "        urllib.request.urlretrieve(source, target)\n",
+    "\n",
+    "with tarfile.open(target, 'r:gz') as tar:\n",
+    "    tar.extractall()"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},
@@ -290,7 +325,7 @@
     "### Note\n",
     "\n",
     "If you have problems with creating the `movie_data.csv` file in the previous chapter, you can find a download a zip archive at \n",
-    "https://github.com/rasbt/python-machine-learning-book-2nd-edition/tree/master/code/ch08/movie_data.csv.zip\n",
+    "https://github.com/rasbt/python-machine-learning-book-2nd-edition/tree/master/code/ch08/\n",
     "<hr>"
    ]
   },
@@ -302,6 +337,25 @@
     "<br>"
    ]
   },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {
+    "collapsed": true
+   },
+   "outputs": [],
+   "source": [
+    "## @Readers: PLEASE IGNORE THIS CELL\n",
+    "##\n",
+    "## This cell is meant to load a smaller dataset if\n",
+    "## the notebook is run on the Travis Continuous Integration\n",
+    "## platform to test the code on a smaller dataset\n",
+    "## to prevent timeout errors and just serves a debugging tool\n",
+    "\n",
+    "if 'TRAVIS' in os.environ:\n",
+    "    df = pd.read_csv('movie_data.csv', nrows=500)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},

code/tests/test_notebooks.py

@@ -65,15 +65,15 @@ def test_ch07(self):
         run_ipynb(os.path.join(this_dir,
                                '../ch07/ch07.ipynb'))
 
-    #  def test_ch08(self):
-    #      this_dir = os.path.dirname(os.path.abspath(__file__))
-    #      run_ipynb(os.path.join(this_dir,
-    #                             '../ch08/ch08.ipynb'))
+    def test_ch08(self):
+        this_dir = os.path.dirname(os.path.abspath(__file__))
+        run_ipynb(os.path.join(this_dir,
+                               '../ch08/ch08.ipynb'))
 
     def test_ch09(self):
         this_dir = os.path.dirname(os.path.abspath(__file__))
 
-        # run only on Py3, because of the Py3 specific picle files
+        # run only on Py3, because of the Py3 specific pickle files
 
         if (sys.version_info >= (3, 0)):
 
@@ -84,7 +84,7 @@ def test_ch09(self):
                 run_ipynb(os.path.join(this_dir,
                                        '../ch09/ch09.ipynb'))
             except:
-                print('Unexpected error in Chapter 19:', sys.exc_info()[0])
+                print('Unexpected error in Chapter 09:', sys.exc_info()[0])
         else:
             pass
 
@@ -102,7 +102,12 @@ def test_ch11(self):
     def test_ch12(self):
         this_dir = os.path.dirname(os.path.abspath(__file__))
         run_ipynb(os.path.join(this_dir,
-                               '../ch12/.test_version.ipynb'))
+                               '../ch12/ch12.ipynb'))
+
+    def test_ch13(self):
+        this_dir = os.path.dirname(os.path.abspath(__file__))
+        run_ipynb(os.path.join(this_dir,
+                               '../ch13/ch13.ipynb'))
 
 
 if __name__ == '__main__':