19 files changed, 380 insertions, 0 deletions
diff --git a/.hgignore b/.hgignore
new file mode 100644
index 00000000..f72e6586
--- /dev/null
+++ b/.hgignore
@@ -0,0 +1,5 @@
+syntax: glob
+
+*.pyc
+*.db
+env
diff --git a/requirements.txt b/requirements.txt
new file mode 100644
index 00000000..8144d828
--- /dev/null
+++ b/requirements.txt
@@ -0,0 +1,3 @@
+Django==1.2.4
+distribute==0.6.14
+wsgiref==0.1.2
diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/__init__.py
diff --git a/src/initial_data.json b/src/initial_data.json
new file mode 100644
index 00000000..62103cf9
--- /dev/null
+++ b/src/initial_data.json
@@ -0,0 +1,20 @@
+[
+    {
+        "pk": 1, 
+        "model": "auth.user", 
+        "fields": {
+            "username": "admin", 
+            "first_name": "", 
+            "last_name": "", 
+            "is_active": true, 
+            "is_superuser": true, 
+            "is_staff": true, 
+            "last_login": "2010-01-01 00:00:00", 
+            "groups": [], 
+            "user_permissions": [], 
+            "password": "sha1$6cbce$e4e808893d586a3301ac3c14da6c84855999f1d8", 
+            "email": "test@example.com", 
+            "date_joined": "2010-01-01 00:00:00"
+        }
+    }
+]
+\ No newline at end of file
diff --git a/src/manage.py b/src/manage.py
new file mode 100755
index 00000000..5e78ea97
--- /dev/null
+++ b/src/manage.py
@@ -0,0 +1,11 @@
+#!/usr/bin/env python
+from django.core.management import execute_manager
+try:
+    import settings # Assumed to be in the same directory.
+except ImportError:
+    import sys
+    sys.stderr.write("Error: Can't find the file 'settings.py' in the directory containing %r. It appears you've customized things.\nYou'll have to run django-admin.py, passing it your settings module.\n(If the file settings.py does indeed exist, it's causing an ImportError somehow.)\n" % __file__)
+    sys.exit(1)
+
+if __name__ == "__main__":
+    execute_manager(settings)
diff --git a/src/rest/__init__.py b/src/rest/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/rest/__init__.py
diff --git a/src/rest/emitters.py b/src/rest/emitters.py
new file mode 100644
index 00000000..fa6a2ffd
--- /dev/null
+++ b/src/rest/emitters.py
@@ -0,0 +1,39 @@
+from django.template import Context, loader
+import json
+
+class BaseEmitter(object):
+    def __init__(self, resource, status, headers):
+        self.resource = resource
+        self.status = status
+        self.headers = headers
+    
+    def emit(self, output):
+        return output
+
+class TemplatedEmitter(BaseEmitter):
+    def emit(self, output):
+        content = json.dumps(output, indent=4)
+        template = loader.get_template(self.template)
+        context = Context({
+            'content': content,
+            'status': self.status,
+            'headers': self.headers,
+            'resource_name': self.resource.__class__.__name__,
+            'resource_doc': self.resource.__doc__
+        })
+        return template.render(context)
+    
+class JSONEmitter(BaseEmitter):
+    def emit(self, output):
+        return json.dumps(output)
+
+class XMLEmitter(BaseEmitter):
+    pass
+
+class HTMLEmitter(TemplatedEmitter):
+    template = 'emitter.html'
+
+class TextEmitter(TemplatedEmitter):
+    template = 'emitter.txt'
+
+
diff --git a/src/rest/parsers.py b/src/rest/parsers.py
new file mode 100644
index 00000000..038065f0
--- /dev/null
+++ b/src/rest/parsers.py
@@ -0,0 +1,18 @@
+class BaseParser(object):
+    def __init__(self, resource, request):
+        self.resource = resource
+        self.request = request
+    
+    def parse(self, input):
+        return {}
+
+
+class JSONParser(BaseParser):
+    pass
+
+class XMLParser(BaseParser):
+    pass
+
+class FormParser(BaseParser):
+    pass
+
diff --git a/src/rest/resource.py b/src/rest/resource.py
new file mode 100644
index 00000000..7e4a6cd5
--- /dev/null
+++ b/src/rest/resource.py
@@ -0,0 +1,113 @@
+from django.http import HttpResponse
+from decimal import Decimal
+from rest import emitters, parsers
+
+class Resource(object):
+
+    callmap = { 'GET': 'read', 'POST': 'create', 
+                'PUT': 'update', 'DELETE': 'delete' }
+
+    emitters = [ ('application/json', emitters.JSONEmitter),
+                 ('text/html', emitters.HTMLEmitter),
+                 ('application/xhtml+xml', emitters.HTMLEmitter),
+                 ('text/plain', emitters.TextEmitter),
+                 ('application/xml', emitters.XMLEmitter), ]
+
+    parsers = { 'application/json': parsers.JSONParser,
+                'application/xml': parsers.XMLParser,
+                'application/x-www-form-urlencoded': parsers.FormParser }
+
+    def __new__(cls, request, *args, **kwargs):
+        self = object.__new__(cls)
+        self.__init__()
+        return self._handle_request(request, *args, **kwargs)
+
+    def __init__(self):
+        pass
+
+    def _determine_parser(self, request):
+        """Return the appropriate parser for the input, given the client's 'Content-Type' header,
+        and the content types that this Resource knows how to parse."""
+        print request.META
+        return self.parsers.values()[0]
+    
+        # TODO: Raise 415 Unsupported media type
+    
+    def _determine_emitter(self, request):
+        """Return the appropriate emitter for the output, given the client's 'Accept' header,
+        and the content types that this Resource knows how to serve.
+        
+        See: RFC 2616, Section 14 - http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html
+        """
+
+        default = self.emitters[0]
+
+        if not request.META.has_key('HTTP_ACCEPT'):
+            return default
+        
+        # Parse the accept header into a dict of {Priority: List of Mimetypes}
+        accept_list = [item.split(';') for item in request.META["HTTP_ACCEPT"].split(',')]
+        accept_dict = {}    
+        for item in accept_list:
+            mimetype = item[0].strip()
+            qvalue = Decimal('1.0')
+            
+            if len(item) > 1:
+                # Parse items that have a qvalue eg text/html;q=0.9
+                try:
+                    (q, num) = item[1].split('=')
+                    if q == 'q':
+                        qvalue = Decimal(num)
+                except:
+                    # Skip malformed entries
+                    continue
+
+            if accept_dict.has_key(qvalue):
+                accept_dict[qvalue].append(mimetype)
+            else:
+                accept_dict[qvalue] = [mimetype]
+        
+        # Go through all accepted mimetypes in priority order and return our first match
+        qvalues = accept_dict.keys()
+        qvalues.sort(reverse=True)
+       
+        for qvalue in qvalues:
+            for (mimetype, emitter) in self.emitters:
+                for accept_mimetype in accept_dict[qvalue]:
+                    if ((accept_mimetype == '*/*') or
+                        (accept_mimetype.endswith('/*') and mimetype.startswith(accept_mimetype[:-1])) or
+                        (accept_mimetype == mimetype)):
+                            return (mimetype, emitter)      
+
+        # TODO: Raise 406, Not Acceptable
+
+    def _handle_request(self, request, *args, **kwargs):
+        meth = request.method
+        
+        # Parse the HTTP Request content
+        if meth in ('PUT', 'POST'):
+            parser = self._determine_parser(request)
+            data = parser(self, request).parse(request.raw_post_data)
+
+        if meth == "POST":
+            (status, ret, headers) = self.handle_post(data, request.META, *args, **kwargs)
+        else:
+            (status, ret, headers) = self.handle_get(request.META, *args, **kwargs)
+
+        # Serialize the HTTP Response content
+        mimetype, emitter = self._determine_emitter(request)
+        content = emitter(self, status, headers).emit(ret)
+        print mimetype, emitter, content
+
+        # Build the HTTP Response
+        resp = HttpResponse(content, mimetype=mimetype, status=status)
+        for (key, val) in headers.items():
+            resp[key] = val
+
+        return resp
+
+    def handle_get(self):
+        raise NotImplementedError(self.handle_get)
+
+    def handle_post(self):
+        raise NotImplementedError(self.handle_post)
+\ No newline at end of file
diff --git a/src/settings.py b/src/settings.py
new file mode 100644
index 00000000..2a55c76a
--- /dev/null
+++ b/src/settings.py
@@ -0,0 +1,97 @@
+# Django settings for src project.
+
+DEBUG = True
+TEMPLATE_DEBUG = DEBUG
+
+ADMINS = (
+    # ('Your Name', 'your_email@domain.com'),
+)
+
+MANAGERS = ADMINS
+
+DATABASES = {
+    'default': {
+        'ENGINE': 'django.db.backends.sqlite3', # Add 'postgresql_psycopg2', 'postgresql', 'mysql', 'sqlite3' or 'oracle'.
+        'NAME': 'sqlite3.db',                   # Or path to database file if using sqlite3.
+        'USER': '',                      # Not used with sqlite3.
+        'PASSWORD': '',                  # Not used with sqlite3.
+        'HOST': '',                      # Set to empty string for localhost. Not used with sqlite3.
+        'PORT': '',                      # Set to empty string for default. Not used with sqlite3.
+    }
+}
+
+# Local time zone for this installation. Choices can be found here:
+# http://en.wikipedia.org/wiki/List_of_tz_zones_by_name
+# although not all choices may be available on all operating systems.
+# On Unix systems, a value of None will cause Django to use the same
+# timezone as the operating system.
+# If running in a Windows environment this must be set to the same as your
+# system time zone.
+TIME_ZONE = 'Europe/London'
+
+# Language code for this installation. All choices can be found here:
+# http://www.i18nguy.com/unicode/language-identifiers.html
+LANGUAGE_CODE = 'en-uk'
+
+SITE_ID = 1
+
+# If you set this to False, Django will make some optimizations so as not
+# to load the internationalization machinery.
+USE_I18N = True
+
+# If you set this to False, Django will not format dates, numbers and
+# calendars according to the current locale
+USE_L10N = True
+
+# Absolute filesystem path to the directory that will hold user-uploaded files.
+# Example: "/home/media/media.lawrence.com/"
+MEDIA_ROOT = ''
+
+# URL that handles the media served from MEDIA_ROOT. Make sure to use a
+# trailing slash if there is a path component (optional in other cases).
+# Examples: "http://media.lawrence.com", "http://example.com/media/"
+MEDIA_URL = ''
+
+# URL prefix for admin media -- CSS, JavaScript and images. Make sure to use a
+# trailing slash.
+# Examples: "http://foo.com/media/", "/media/".
+ADMIN_MEDIA_PREFIX = '/media/'
+
+# Make this unique, and don't share it with anybody.
+SECRET_KEY = 't&9mru2_k$t8e2-9uq-wu2a1)9v*us&j3i#lsqkt(lbx*vh1cu'
+
+# List of callables that know how to import templates from various sources.
+TEMPLATE_LOADERS = (
+    'django.template.loaders.filesystem.Loader',
+    'django.template.loaders.app_directories.Loader',
+#     'django.template.loaders.eggs.Loader',
+)
+
+MIDDLEWARE_CLASSES = (
+    'django.middleware.common.CommonMiddleware',
+    'django.contrib.sessions.middleware.SessionMiddleware',
+    'django.middleware.csrf.CsrfViewMiddleware',
+    'django.contrib.auth.middleware.AuthenticationMiddleware',
+    'django.contrib.messages.middleware.MessageMiddleware',
+)
+
+ROOT_URLCONF = 'src.urls'
+
+TEMPLATE_DIRS = (
+    # Put strings here, like "/home/html/django_templates" or "C:/www/django/templates".
+    # Always use forward slashes, even on Windows.
+    # Don't forget to use absolute paths, not relative paths.
+)
+
+INSTALLED_APPS = (
+    'django.contrib.auth',
+    'django.contrib.contenttypes',
+    'django.contrib.sessions',
+    'django.contrib.sites',
+    'django.contrib.messages',
+    # Uncomment the next line to enable the admin:
+    'django.contrib.admin',
+    # Uncomment the next line to enable admin documentation:
+    # 'django.contrib.admindocs',
+    'testarchive',
+)
diff --git a/src/testarchive/__init__.py b/src/testarchive/__init__.py
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/src/testarchive/__init__.py
diff --git a/src/testarchive/models.py b/src/testarchive/models.py
new file mode 100644
index 00000000..71a83623
--- /dev/null
+++ b/src/testarchive/models.py
@@ -0,0 +1,3 @@
+from django.db import models
+
+# Create your models here.
diff --git a/src/testarchive/templates/emitter.html b/src/testarchive/templates/emitter.html
new file mode 100644
index 00000000..4c843aa3
--- /dev/null
+++ b/src/testarchive/templates/emitter.html
@@ -0,0 +1,11 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 
+        "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml">
+  <body>
+    <h1>{{ resource_name }}</h1>
+    <p>{{ resource_doc }}</p>
+    <pre>
+{% include 'emitter.txt' %}    </pre>
+  </body>
+</html>
+\ No newline at end of file
diff --git a/src/testarchive/templates/emitter.txt b/src/testarchive/templates/emitter.txt
new file mode 100644
index 00000000..3bf094c6
--- /dev/null
+++ b/src/testarchive/templates/emitter.txt
@@ -0,0 +1,4 @@
+{% autoescape off %}HTTP Status {{ status }}
+{% for key, val in headers.items %}{{ key }}: {{ val }}
+{% endfor %}
+{{ content }}{% endautoescape %}
+\ No newline at end of file
diff --git a/src/testarchive/templates/emitter.xhtml b/src/testarchive/templates/emitter.xhtml
new file mode 100644
index 00000000..d9fb3ce9
--- /dev/null
+++ b/src/testarchive/templates/emitter.xhtml
@@ -0,0 +1,3 @@
+HTML:
+
+{{ content }}
+\ No newline at end of file
diff --git a/src/testarchive/tests.py b/src/testarchive/tests.py
new file mode 100644
index 00000000..2aaf1bab
--- /dev/null
+++ b/src/testarchive/tests.py
@@ -0,0 +1,23 @@
+"""
+This file demonstrates two different styles of tests (one doctest and one
+unittest). These will both pass when you run "manage.py test".
+
+Replace these with more appropriate tests for your application.
+"""
+
+from django.test import TestCase
+
+class SimpleTest(TestCase):
+    def test_basic_addition(self):
+        """
+        Tests that 1 + 1 always equals 2.
+        """
+        self.failUnlessEqual(1 + 1, 3)
+
+__test__ = {"doctest": """
+Another way to test that 1 + 1 is equal to 2.
+
+>>> 1 + 1 == 2
+True
+"""}
+
diff --git a/src/testarchive/urls.py b/src/testarchive/urls.py
new file mode 100644
index 00000000..81aa0fa8
--- /dev/null
+++ b/src/testarchive/urls.py
@@ -0,0 +1,7 @@
+from django.conf.urls.defaults import patterns
+from testarchive.views import RootResource
+
+
+urlpatterns = patterns('',
+    (r'^$', RootResource),
+)
diff --git a/src/testarchive/views.py b/src/testarchive/views.py
new file mode 100644
index 00000000..a7812dc3
--- /dev/null
+++ b/src/testarchive/views.py
@@ -0,0 +1,8 @@
+from rest.resource import Resource
+
+class RootResource(Resource):
+    """This is my docstring
+    """
+
+    def handle_get(self, headers={}, *args, **kwargs):
+        return (200, {'Name': 'Test', 'Value': 1}, {'Location': 'BLAH'})
diff --git a/src/urls.py b/src/urls.py
new file mode 100644
index 00000000..f6c598ce
--- /dev/null
+++ b/src/urls.py
@@ -0,0 +1,15 @@
+from django.conf.urls.defaults import patterns, include
+from django.contrib import admin
+
+admin.autodiscover()
+
+urlpatterns = patterns('',
+    # Example:
+    (r'^testarchive/', include('testarchive.urls')),
+
+    # Uncomment the admin/doc line below to enable admin documentation:
+    (r'^admin/doc/', include('django.contrib.admindocs.urls')),
+
+    # Uncomment the next line to enable the admin:
+    (r'^admin/', include(admin.site.urls)),
+)