Rename requires files to standard names.

Rename tools/pip-requires to requirements.txt and tools/test-requires
to test-requirements.txt. These are standard files, and tools in the
general world are growing intelligence about them.

Change-Id: I68ece8406fb1d4e082a42db8e76e17b1aaa7e775
Fixes: bug #1179008

doc/source/devref/development.environment.rst

@@ -123,7 +123,7 @@ You can manually install the virtual environment instead of having
   python tools/install_venv.py
 
 This will install all of the Python packages listed in the
-``tools/pip-requires`` file into your virtualenv. There will also be some
+``requirements.txt`` file into your virtualenv. There will also be some
 additional packages (pip, distribute, greenlet) that are installed
 by the ``tools/install_venv.py`` file into the virutalenv.
 

doc/source/devref/unit_tests.rst

@@ -100,7 +100,7 @@ If you wish to recreate the virtualenv, call ``run_tests.sh`` with the flag::
     -f, --force
 
 Recreating the virtualenv is useful if the package dependencies have changed
-since the virtualenv was last created. If the ``tools/pip-requires`` or
+since the virtualenv was last created. If the ``requirements.txt`` or
 ``tools/install_venv.py`` files have changed, it's a good idea to recreate the
 virtualenv.
 

tools/install_venv.py

@@ -56,8 +56,8 @@ def main(argv):
     if os.environ.get('venv'):
         venv = os.environ['venv']
 
-    pip_requires = os.path.join(root, 'tools', 'pip-requires')
-    test_requires = os.path.join(root, 'tools', 'test-requires')
+    pip_requires = os.path.join(root, 'requirements.txt')
+    test_requires = os.path.join(root, 'test-requirements.txt')
     py_version = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
     project = 'Nova'
     install = install_venv.InstallVenv(root, venv, pip_requires, test_requires,

tools/patch_tox_venv.py

@@ -25,8 +25,8 @@ def main(argv):
 
     venv = os.environ['VIRTUAL_ENV']
 
-    pip_requires = os.path.join(root, 'tools', 'pip-requires')
-    test_requires = os.path.join(root, 'tools', 'test-requires')
+    pip_requires = os.path.join(root, 'requirements.txt')
+    test_requires = os.path.join(root, 'test-requirements.txt')
     py_version = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
     project = 'nova'
     install = install_venv.InstallVenv(root, venv, pip_requires, test_requires,

tox.ini

@@ -7,8 +7,8 @@ setenv = VIRTUAL_ENV={envdir}
          LANG=en_US.UTF-8
          LANGUAGE=en_US:en
          LC_ALL=C
-deps = -r{toxinidir}/tools/pip-requires
-       -r{toxinidir}/tools/test-requires
+deps = -r{toxinidir}/requirements.txt
+       -r{toxinidir}/test-requirements.txt
 commands =
   python tools/patch_tox_venv.py
   python setup.py testr --slowest --testr-args='{posargs}'