From 2a3e3cd5e06d23420db1be27f52de7583a3e73e5 Mon Sep 17 00:00:00 2001
From: Ross Fenning <github@rossfenning.co.uk>
Date: Mon, 17 Oct 2022 22:17:35 +0100
Subject: [PATCH] Add dangling changes

---
 hyperspace/__init__.py    | 14 +++++++-
 hyperspace/affordances.py | 72 +++++++++++++++++++++++++++++++++++----
 hyperspace/rdf.py         |  2 +-
 3 files changed, 80 insertions(+), 8 deletions(-)

diff --git a/hyperspace/__init__.py b/hyperspace/__init__.py
index e62a604..8c27c39 100644
--- a/hyperspace/__init__.py
+++ b/hyperspace/__init__.py
@@ -37,7 +37,6 @@ def response_to_page(response):
 
 
 def jump(url, client=None):
-    print('Jumping: ' + url)
     response = get_client(client).get(url)
     return response_to_page(response)
 
@@ -57,3 +56,16 @@ def mime_to_page(mime, **kwargs):
         'text/turtle': TurtlePage,
     }[mime]
 
+
+def git(command, *args, **params):
+    return {
+        'commit': git_commit,
+        'checkout': git_checkout,
+    }[command](*args, **params)
+
+
+def update(uri, _store):
+    print('Updating: ' + uri)
+    response = get_client().put(uri, _store.serialize(format='turtle'), headers={'Content-Type': 'text/turtle'})
+    print(response.text)
+    return response_to_page(response)
diff --git a/hyperspace/affordances.py b/hyperspace/affordances.py
index 134dccf..b336e72 100644
--- a/hyperspace/affordances.py
+++ b/hyperspace/affordances.py
@@ -2,10 +2,11 @@
     from urllib import parse as urlparse
 except ImportError:
     import urlparse
-from uritemplate import expand
+from uritemplate import expand, variables
 import hyperspace
-from rdflib import Graph
-from laconia import ThingFactory
+from rdflib import Graph, URIRef, RDF, OWL
+from laconia import ThingFactory, Thing
+import yarl
 
 
 class FilterableList(list):
@@ -13,18 +14,31 @@ def __init__(self, base_url=None):
         self.base_url = base_url
 
     def __getitem__(self, item_name):
+        if isinstance(item_name, int):
+            return list.__getitem__(self, item_name)
         if self.base_url:
             item_name = urlparse.urljoin(self.base_url, item_name)
 
         matches = [item for item in self if item.name == item_name]
         if matches:
-            return matches
+            if len(matches) == 1:
+                return matches[0]
+            else:
+                return matches
         else:
             other_names = ','.join({item.name for item in self})
             raise KeyError(
                 'No item with name "{name}". Available: {other_names} (Using base URL: {base})'.format(
                     name=item_name, other_names=other_names, base=self.base_url))
 
+    def __add__(self, other):
+        new = FilterableList(base_url=self.base_url)
+        for item in self:
+            new.append(item)
+        for item in other:
+            new.append(item)
+        return new
+
     def keys(self):
         return set(sorted(item.name for item in self))
 
@@ -58,6 +72,9 @@ def submit(self):
         """Very naive URL creation."""
         return hyperspace.jump(self.uri)
 
+    def __call__(self, **params):
+        return self.build(params).submit()
+
     def __unicode__(self):
         return self.__str__()
 
@@ -65,6 +82,9 @@ def __str__(self):
         return u'[{name}]({href})'.format(
             name=self.name, href=self.uri_template)
 
+    def keys(self):
+        return variables(self.uri_template)
+
 
 class Template(object):
     def __init__(self, name, href, params, content_type):
@@ -91,6 +111,20 @@ def __str__(self):
             name=self.name, href=self.href, params=flat_params)
 
 
+class Entity(Thing):
+    def update(self):
+        return hyperspace.update(self._id, self._store)
+
+    def follow(self):
+        print('Following: ' + str(self._id))
+        return hyperspace.jump(str(self._id))
+
+
+class EntityFactory(ThingFactory):
+    def __call__(self, ident=None, **props):
+        return Entity(self.store, self.schema_store, self.alias_map, ident, props)
+
+
 class Page(object):
     def __init__(self, response):
         self.response = response
@@ -116,8 +150,34 @@ def extract_templates(self):
 
     def entity(self, uri):
         self.data.bind('schema', 'http://schema.org/', override=True)
-        Thing = ThingFactory(self.data)
-        return Thing(uri)
+        return EntityFactory(self.data)(uri)
+
+    @property
+    def entities(self):
+        thing = URIRef(urlparse.urljoin(self.response.url, '/vocab#Thing'))
+        return [EntityFactory(self.data)(uri)
+                for uri in self.data.subjects(predicate=RDF.type, object=thing)]
+
+    def __getattr__(self, item):
+        try:
+            item_url = str(yarl.URL(self.url).with_fragment(item))
+            return self.queries[item_url]
+        except KeyError:
+            print(self.data.serialize(format='turtle').decode('utf-8'))
+            raise
+
+    def __getitem__(self, item):
+        if type(item) == int:
+            try:
+                return self.entities[item]
+            except IndexError:
+                print('Cannot find entity in: ' + self.data.serialize(format='turtle').decode('utf-8'))
+                raise
+        else:
+            if item in self.data.subjects():
+                return self.entity(item)
+            else:
+                return self.templates[item]
 
     def __str__(self):
         return u'Page:\n\tData:\n{data}\n\tLinks:\n\t\t{links}\n\tQueries:\n\t\t{queries}\n\tTemplates:\n\t\t{templates}'.format(
diff --git a/hyperspace/rdf.py b/hyperspace/rdf.py
index 7a300e0..e5d0b65 100644
--- a/hyperspace/rdf.py
+++ b/hyperspace/rdf.py
@@ -31,7 +31,7 @@ def extract_queries(self):
         PREFIX rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#>
         PREFIX schema: <http://schema.org/>
         PREFIX hydra: <http://www.w3.org/ns/hydra/core#>
-        SELECT ?rel ?template
+        SELECT DISTINCT ?rel ?template
         WHERE {
             ?url ?rel ?action .
             ?action rdf:type hydra:IriTemplate .