Add requirements files, tox.ini updates

This patch updates the tox.ini file to create
virtualenv's using the new requirements files.

Also, adds a helper task to run reviewday in
a tox virtualenv. Useful on distros that
don't have launchpadlib packages handy...

Change-Id: I4fd2f70859d02a2402ed3b2387e1a6ffbcf588fd

README.md

@@ -31,7 +31,11 @@ HTML report generator which creates a prioritized review list w/ function test r
 
 	PYTHONPATH=$PWD ./bin/reviewday
 
-An output directory called 'out_report' is generated in the current directory.
+An output directory called 'out\_report' is generated in the current directory.
+
+Alternately you can execute reviewday in a tox environment by using:
+
+	tox -erun
 
 ## License
 

requirements.txt

@@ -0,0 +1,4 @@
+launchpadlib
+PyYAML
+Cheetah
+simplejson

reviewday/mergeprop.py

@@ -22,7 +22,7 @@ class MergeProp(object):
         try:
             if self.topic.find('bug/') == 0:
                 bug = lp.bug(self.topic[4:])
-                #FIXME: bug.importance doesn't seem to work but it should?
+                # FIXME: bug.importance doesn't seem to work but it should?
                 cause = '%s bugfix' % bug.bug_tasks[0].importance
             elif self.topic.find('bp/') == 0:
                 spec = lp.specification(self.project, self.topic[3:])

test-requirements.txt

@@ -0,0 +1 @@
+flake8

tox.ini

@@ -2,12 +2,21 @@
 envlist = pyflakes, pep8, py27
 
 [testenv]
-install_command = pip install --allow-external lazr.authentication --allow-insecure lazr.authentication -U {opts} {packages}
+usedevelop = True
+setenv = VIRTUAL_ENV={envdir}
+deps = -r{toxinidir}/test-requirements.txt
+       -r{toxinidir}/requirements.txt
+
+[testenv:venv]
+commands = {posargs}
 
 [testenv:pyflakes]
 deps = pyflakes
 commands = pyflakes setup.py reviewday bin
 
 [testenv:pep8]
-deps = pep8==1.3.3
-commands = pep8 --ignore=E125 --repeat --show-source --exclude=.tox .
+whitelist_externals = bash
+commands = flake8
+
+[testenv:run]
+commands = reviewday {posargs}