Normalize package name per PEP 503:

https://www.python.org/dev/peps/pep-0503/#normalized-names

setup.py

@@ -1,7 +1,7 @@
 from setuptools import setup
 
 setup(name='simplepypi',
-        version='0.2.0',
+        version='0.2.1',
         author='Zach Steindler',
         author_email='steiza@coffeehousecoders.org',
         url='http://github.com/steiza/simplepypi',

simplepypi/bin/simplepypi

@@ -9,6 +9,10 @@ from tornado.ioloop import IOLoop
 from tornado.web import Application, RequestHandler
 
 
+def canonicalize_name(name):
+    return name.replace('.', '-').replace('_', '-').lower()
+
+
 def write404(self):
     self.set_status(404)
 
@@ -79,7 +83,7 @@ class IndexHandler(RequestHandler):
         content = self.request.files['content'][0]['body']
 
         if name and version and content and action == 'file_upload':
-            name = name.lower()
+            name = canonicalize_name(name)
 
             filename = self.request.files['content'][0]['filename']
             path = get_package_path(name, version, filename=filename)
@@ -114,7 +118,7 @@ class PypiHandler(RequestHandler):
 class PypiPackageHandler(RequestHandler):
 
     def get(self, package):
-        package = package.lower()
+        package = canonicalize_name(package)
 
         package_path = get_package_path(package)
 
@@ -143,7 +147,7 @@ class PypiPackageHandler(RequestHandler):
 class PypiPackageVersionHandler(RequestHandler):
 
     def get(self, package, version):
-        package = package.lower()
+        package = canonicalize_name(package)
 
         path = get_package_path(package, version)
 
@@ -184,7 +188,7 @@ class PackageBase(RequestHandler):
 class PackageList(RequestHandler):
 
     def get(self, package):
-        package = package.lower()
+        package = canonicalize_name(package)
 
         package_path = get_package_path(package)