Updating readme to reflect option to use environment variables, bumpi…

…ng up minor version

README.md

@@ -25,8 +25,27 @@ By default, Pysession will record each shell run and save to a Gist. However it
 >>> PySession.off()
 ```
 
+Alternatively, to persist your choice of not saving sessions for some extended period of time, set an environment variable PYSESSION_SAVE_OFF to True. 
+`export PYSESSION_SAVE_OFF=True`
+
+
+##### To turn back on saving for a session
+
+``` python
+>>> PySession.on()
+```
+
+
 ##### To save to a local file instead of Gist
 
 ``` python
 >>> PySession.local()
 ```
+
+To always save your sessions to local file, set an environment variable PYSESSION_SAVE_LOCALLY to True. 
+`export PYSESSION_SAVE_LOCALLY=True`
+
+The file is saved with a name `session.py` You can change this by setting the environment variable PYSESSION_FILENAME to your desired filename. 
+`export PYSESSION_FILENAME=some_file_name.py`
+
+

pysession.py

@@ -65,11 +65,13 @@ def off(cls):
     @classmethod
     def local(cls):
         """Switch to saving the current session to a local file."""
+        cls.save = True
         cls.save_locally = True
 
     @classmethod
     def gist(cls):
         """Switch to saving the current session to a secret gist."""
+        cls.save = True
         cls.save_locally = False
 
     @classmethod
@@ -171,7 +173,7 @@ def custom_hook(etype, evalue, traceback):
 
 
 def process_history():
-    """Processes python sheell history to an array of code lines"""
+    """Processes python shell history to an array of code lines"""
     end_index = len(PySession.ipython_history) - 1 if PySession.is_ipython \
         else readline.get_current_history_length()
 
@@ -183,7 +185,13 @@ def process_history():
             line = PySession.ipython_history[i]
         else:
             line = readline.get_history_item(i)
-        if line.strip() in ['exit' or 'exit()']:  # remove 'exit' from code
+
+        # remove 'exit' and PySession keywords from code
+        if line.strip() in ['PySession.local()',
+                            'PySession.gist()',
+                            'PySession.off()',
+                            'exit',
+                            'exit()']:
             continue
         lines_of_code.append(line)
 

setup.py

@@ -13,12 +13,12 @@
 
 setup(
     name='pysession',
-    version='0.1.2',
+    version='0.2',
     description='Automatically save python interpreter session code to a file or secret Gist',
     author='Fallible',
     author_email='[email protected]',
     url='https://github.com/FallibleInc/pysession',
-    download_url='https://github.com/FallibleInc/pysession/tarball/0.1.2',
+    download_url='https://github.com/FallibleInc/pysession/tarball/0.2',
     py_modules=['pysession'],
     install_requires=[],
     classifiers=[