Added random plugin and other features

plugins/rand/rand.py

+import json
+import random
+
+from senpy.plugins import SentimentPlugin
+from senpy.models import Response, Opinion, Entry
+
+
+class Sentiment140Plugin(SentimentPlugin):
+    def analyse(self, **params):
+        lang = params.get("language", "auto")
+
+        p = params.get("prefix", None)
+        response = Response(prefix=p)
+        #polarity_value = self.maxPolarityValue*int(res.json()["data"][0]["polarity"]) * 0.25
+        polarity_value = max(-1, min(1, random.gauss(0.2,0.2)))
+        polarity = "marl:Neutral"
+        if polarity_value > 0:
+            polarity = "marl:Positive"
+        elif polarity_value < 0:
+            polarity = "marl:Negative"
+        entry = Entry(id="Entry0",
+                      text=params["input"],
+                      prefix=p)
+        opinion = Opinion(id="Opinion0",
+                          prefix=p,
+                          hasPolarity=polarity,
+                          polarityValue=polarity_value)
+        opinion["prov:wasGeneratedBy"] = self.id
+        entry.opinions.append(opinion)
+        entry.language = lang
+        response.entries.append(entry)
+        return response

plugins/rand/rand.senpy

+{
+    "name": "rand",
+    "module": "rand",
+    "description": "What my plugin broadly does",
+    "author": "@balkian",
+    "version": "0.1",
+    "extra_params": {
+        "language": {
+            "aliases": ["language", "l"],
+            "required": false,
+            "options": ["es", "en", "auto"]
+        }
+     },
+     "requirements": {},
+     "marl:maxPolarityValue": "1",
+     "marl:minPolarityValue": "-1"
+}

plugins/sentiment140/sentiment140.py

@@ -15,15 +15,19 @@ class Sentiment140Plugin(SentimentPlugin):
                                        )
                             )
 
-        response = Response(base=params.get("prefix", None))
-        polarity_value = int(res.json()["data"][0]["polarity"]) * 25
+        p = params.get("prefix", None)
+        response = Response(prefix=p)
+        polarity_value = self.maxPolarityValue*int(res.json()["data"][0]["polarity"]) * 0.25
         polarity = "marl:Neutral"
         if polarity_value > 50:
             polarity = "marl:Positive"
         elif polarity_value < 50:
             polarity = "marl:Negative"
-        entry = Entry(id="Entry0", text=params["input"])
+        entry = Entry(id="Entry0",
+                      text=params["input"],
+                      prefix=p)
         opinion = Opinion(id="Opinion0",
+                          prefix=p,
                           hasPolarity=polarity,
                           polarityValue=polarity_value)
         opinion["prov:wasGeneratedBy"] = self.id

plugins/sentiment140/sentiment140.senpy

@@ -11,5 +11,7 @@
             "options": ["es", "en", "auto"]
         }
      },
-     "requirements": {}
+     "requirements": {},
+     "maxPolarityValue": "1",
+     "minPolarityValue": "0"
 }

requirements.txt

@@ -3,4 +3,5 @@ gunicorn==19.0.0
 requests==2.4.1
 GitPython==0.3.2.RC1
 Yapsy>=1.10.423
-gevent>=1.0.1
\ No newline at end of file
+gevent>=1.0.1
+PyLD>=0.6.5
\ No newline at end of file

senpy/__main__.py

@@ -38,8 +38,7 @@ if __name__ == '__main__':
                         help='Logging level')
     parser.add_argument('--debug',
                         "-d",
-                        metavar="debug",
-                        type=bool,
+                        action='store_true',
                         default=False,
                         help='Run the application in debug mode')
     parser.add_argument('--host',

senpy/blueprints.py

@@ -62,7 +62,7 @@ def get_params(req, params=BASIC_PARAMS):
                    "parameters": outdict,
                    "errors": {param: error for param, error in wrong_params.iteritems()}
                    }
-        raise ValueError(json.dumps(message))
+        raise ValueError(message)
     return outdict
 
 
@@ -88,13 +88,14 @@ def basic_analysis(params):
 @nif_blueprint.route('/', methods=['POST', 'GET'])
 def home():
     try:
-        algo = get_params(request).get("algorithm", None)
+        params = get_params(request)
+        algo = params.get("algorithm", None)
         specific_params = current_app.senpy.parameters(algo)
-        params = get_params(request, specific_params)
+        params.update(get_params(request, specific_params))
         response = current_app.senpy.analyse(**params)
         return jsonify(response)
     except ValueError as ex:
-        return ex.message
+        return jsonify(ex.message)
     except Exception as ex:
         return jsonify(status="400", message=ex.message)
 

senpy/extensions.py

@@ -12,6 +12,7 @@ import json
 logger = logging.getLogger(__name__)
 
 from .plugins import SenpyPlugin, SentimentPlugin, EmotionPlugin
+from .models import Error
 
 from .blueprints import nif_blueprint
 from git import Repo, InvalidGitRepositoryError
@@ -70,12 +71,14 @@ class Senpy(object):
             if self.plugins[algo].is_activated:
                 plug = self.plugins[algo]
                 resp = plug.analyse(**params)
-                resp.analysis.append(plug.jsonable())
+                resp.analysis.append(plug)
                 return resp
-            logger.debug("Plugin not activated: {}".format(algo))
+            else:
+                logger.debug("Plugin not activated: {}".format(algo))
+                return Error(status=400, message="The algorithm '{}' is not activated yet".format(algo))
         else:
             logger.debug("The algorithm '{}' is not valid\nValid algorithms: {}".format(algo, self.plugins.keys()))
-            return {"status": 400, "message": "The algorithm '{}' is not valid".format(algo)}
+            return Error(status=400, message="The algorithm '{}' is not valid".format(algo))
 
     @property
     def default_plugin(self):
@@ -156,9 +159,9 @@ class Senpy(object):
             module = candidate(info=info)
             try:
                 repo_path = root
-                module.repo = Repo(repo_path)
+                module._repo = Repo(repo_path)
             except InvalidGitRepositoryError:
-                module.repo = None
+                module._repo = None
         except Exception as ex:
             logger.debug("Exception importing {}: {}".format(filename, ex))
             return None, None

senpy/models.py

 import json
 import os
 from collections import defaultdict
+from pyld import jsonld
 
 
-class Leaf(defaultdict):
-    _prefix = None
 
-    def __init__(self, id=None, context=None, prefix=None, ofclass=list):
-        super(Leaf, self).__init__(ofclass)
-        if context:
+class Leaf(dict):
+    _prefix = None
+    _frame = {}
+    _context = {}
+
+    def __init__(self,
+                 id=None,
+                 context=None,
+                 vocab=None,
+                 prefix=None,
+                 frame=None):
+        super(Leaf, self).__init__()
+        if context is not None:
             self.context = context
-        if id:
-            self.id = id
+        elif self._context:
+            self.context = self._context
+        else:
+            self.context = {}
+        if frame is not None:
+            self._frame = frame
         self._prefix = prefix
+        self.id = id
 
     def __getattr__(self, key):
-        return super(Leaf, self).__getitem__(self._get_key(key))
+        try:
+            return object.__getattr__(self, key)
+        except AttributeError:
+            try:
+                return super(Leaf, self).__getitem__(self._get_key(key))
+            except KeyError:
+                raise AttributeError()
 
     def __setattr__(self, key, value):
         try:
@@ -23,20 +43,40 @@ class Leaf(defaultdict):
             object.__setattr__(self, key, value)
         except AttributeError:
             key = self._get_key(key)
-            value = self.get_context(value) if key == "@context" else value
+            if key == "@context":
+                value = self.get_context(value)
+            elif key == "@id":
+                value = self.get_id(value)
             if key[0] == "_":
                 object.__setattr__(self, key, value)
             else:
-                super(Leaf, self).__setitem__(key, value)
+                if value is None:
+                    try:
+                        super(Leaf, self).__delitem__(key)
+                    except KeyError:
+                        pass
+                else:
+                    super(Leaf, self).__setitem__(key, value)
+
+    def get_id(self, id):
+        """
+        This is not the most elegant solution to change the @id attribute, but it
+        is the quickest way to have it included in the dictionary without extra
+        boilerplate.
+        """
+        if id and self._prefix and ":" not in id:
+            return "{}{}".format(self._prefix, id)
+        else:
+            return id
 
     def __delattr__(self, key):
         return super(Leaf, self).__delitem__(self._get_key(key))
 
     def _get_key(self, key):
-        if key in ["context", "id"]:
+        if key[0] == "_":
+            return key
+        elif key in ["context", "id"]:
             return "@{}".format(key)
-        elif self._prefix:
-            return "{}:{}".format(self._prefix, key)
         else:
             return key
 
@@ -56,55 +96,128 @@ class Leaf(defaultdict):
             except IOError:
                 return context
 
+    def compact(self):
+        return jsonld.compact(self, self.context)
+
+    def frame(self, frame=None, options=None):
+        if frame is None:
+            frame = self._frame
+        if options is None:
+            options = {}
+        return jsonld.frame(self, frame, options)
+
+    def jsonable(self, parameters=False, frame=None, options=None, context=None):
+        if frame is None:
+            frame = self._frame
+        if options is None:
+            options = {}
+        if context is None:
+            context = self._context
+        return jsonld.compact(jsonld.frame(self, frame, options), context)
+        #if parameters:
+            #resp["parameters"] = self.params
+        #elif self.extra_params:
+            #resp["extra_parameters"] = self.extra_params
+        #return resp
+
+
+    def to_JSON(self):
+        return json.dumps(self,
+                          default=lambda o: o.__dict__,
+                          sort_keys=True, indent=4)
+
+
 
 class Response(Leaf):
-    def __init__(self, context=None, base=None, *args, **kwargs):
+    _frame =  { "@context": {
+                    "analysis": {
+                        "@container": "@set",
+                        "@id": "prov:wasInformedBy"
+                    },
+                    "date": {
+                        "@id": "dc:date",
+                        "@type": "xsd:dateTime"
+                    },
+                    "dc": "http://purl.org/dc/terms/",
+                    "dc:subject": {
+                        "@type": "@id"
+                    },
+                    "emotions": {
+                        "@container": "@set",
+                        "@id": "onyx:hasEmotionSet"
+                    },
+                    "entries": {
+                        "@container": "@set",
+                        "@id": "prov:generated"
+                    },
+                    "marl": "http://www.gsi.dit.upm.es/ontologies/marl/ns#",
+                    "nif": "http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#",
+                    "onyx": "http://www.gsi.dit.upm.es/ontologies/onyx/ns#",
+                    "opinions": {
+                        "@container": "@set",
+                        "@id": "marl:hasOpinion"
+                    },
+                    "prov": "http://www.w3.org/ns/prov#",
+                    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
+                    "strings": {
+                        "@container": "@set",
+                        "@reverse": "nif:hasContext"
+                    },
+                    "wnaffect": "http://www.gsi.dit.upm.es/ontologies/wnaffect#",
+                    "xsd": "http://www.w3.org/2001/XMLSchema#"
+                },
+                "analysis": {},
+                "entries": {}
+    }
+
+    def __init__(self, context=None, *args, **kwargs):
         if context is None:
             context = "{}/context.jsonld".format(os.path.dirname(
                 os.path.realpath(__file__)))
         super(Response, self).__init__(*args, context=context, **kwargs)
-        if base:
-            self.context["@base"] = base
-        self["analysis"] = []
-        self["entries"] = []
+        self.analysis = []
+        self.entries = []
 
 
 class Entry(Leaf):
+    _context = {
+        "@vocab": "http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#"
+
+    }
     def __init__(self, text=None, emotion_sets=None, opinions=None, **kwargs):
         super(Entry, self).__init__(**kwargs)
         if text:
             self.text = text
-        if emotion_sets:
-            self.emotionSets = emotion_sets
-        if opinions:
-            self.opinions = opinions
-
+        self.emotionSets = emotion_sets if emotion_sets else []
+        self.opinions = opinions if opinions else []
 
 class Opinion(Leaf):
-    #opinionContext = {"@vocab": "http://www.gsi.dit.upm.es/ontologies/marl/ns#"}
+    _context = {
+        "@vocab": "http://www.gsi.dit.upm.es/ontologies/marl/ns#"
+    }
     def __init__(self, polarityValue=None, hasPolarity=None, *args, **kwargs):
-        super(Opinion, self).__init__( prefix="marl",
-                                      *args,
+        super(Opinion, self).__init__(*args,
                                       **kwargs)
         if polarityValue is not None:
-            self.polarityValue = polarityValue
+            self.hasPolarityValue = polarityValue
         if hasPolarity is not None:
             self.hasPolarity = hasPolarity
 
 
 class EmotionSet(Leaf):
-    emotionContext = {}
+    _context = {}
     def __init__(self, emotions=None, *args, **kwargs):
         if not emotions:
             emotions = []
-        super(EmotionSet, self).__init__(context=EmotionSet.emotionContext,
+        super(EmotionSet, self).__init__(context=EmotionSet._context,
                                          *args,
                                          **kwargs)
         self.emotions = emotions or []
 
 class Emotion(Leaf):
-    emotionContext = {}
-    def __init__(self, emotions=None, *args, **kwargs):
-        super(EmotionSet, self).__init__(context=Emotion.emotionContext,
-                                         *args,
-                                         **kwargs)
+    _context = {}
+
+class Error(Leaf):
+    def __init__(self, *args, **kwargs):
+        super(Error, self).__init__(*args)
+        self.update(kwargs)

senpy/plugins.py

 import logging
 import ConfigParser
+from .models import Leaf
 
 logger = logging.getLogger(__name__)
 
@@ -38,13 +39,24 @@ PARAMS = {"input": {"aliases": ["i", "input"],
           }
 
 
-class SenpyPlugin(object):
+class SenpyPlugin(Leaf):
+    _context = {"@vocab": "http://www.gsi.dit.upm.es/ontologies/senpy/ns#",
+                "info": None}
+    _frame = { "@context": _context,
+              "name": {},
+              "@explicit": False,
+              "version": {},
+              "repo": None,
+              "info": None,
+              }
     def __init__(self, info=None):
         if not info:
             raise ValueError("You need to provide configuration information for the plugin.")
         logger.debug("Initialising {}".format(info))
+        super(SenpyPlugin, self).__init__()
         self.name = info["name"]
         self.version = info["version"]
+        self.id="{}_{}".format(self.name, self.version)
         self.params = info.get("params", PARAMS.copy())
         self.extra_params = info.get("extra_params", {})
         self.params.update(self.extra_params)
@@ -66,49 +78,15 @@ class SenpyPlugin(object):
     def id(self):
         return "{}_{}".format(self.name, self.version)
 
-    def jsonable(self, parameters=False):
-        resp = {
-            "@id": "{}_{}".format(self.name, self.version),
-            "is_activated": self.is_activated,
-        }
-        if hasattr(self, "repo") and self.repo:
-            resp["repo"] = self.repo.remotes[0].url
-        if parameters:
-            resp["parameters"] = self.params
-        elif self.extra_params:
-            resp["extra_parameters"] = self.extra_params
-        return resp
-
 
 class SentimentPlugin(SenpyPlugin):
-    def __init__(self,
-                 min_polarity_value=0,
-                 max_polarity_value=1,
-                 **kwargs):
-        super(SentimentPlugin, self).__init__(**kwargs)
-        self.minPolarityValue = min_polarity_value
-        self.maxPolarityValue = max_polarity_value
-
-    def jsonable(self, *args, **kwargs):
-        resp = super(SentimentPlugin, self).jsonable(*args, **kwargs)
-        resp["marl:maxPolarityValue"] = self.maxPolarityValue
-        resp["marl:minPolarityValue"] = self.minPolarityValue
-        return resp
-
+    def __init__(self, info, *args, **kwargs):
+        super(SentimentPlugin, self).__init__(info, *args, **kwargs)
+        self.minPolarityValue = float(info.get("minPolarityValue", 0))
+        self.maxPolarityValue = float(info.get("maxPolarityValue", 1))
 
 class EmotionPlugin(SenpyPlugin):
-    def __init__(self,
-                 min_emotion_value=0,
-                 max_emotion_value=1,
-                 emotion_category=None,
-                 **kwargs):
-        super(EmotionPlugin, self).__init__(**kwargs)
-        self.minEmotionValue = min_emotion_value
-        self.maxEmotionValue = max_emotion_value
-        self.emotionCategory = emotion_category
-
-    def jsonable(self, *args, **kwargs):
-        resp = super(EmotionPlugin, self).jsonable(*args, **kwargs)
-        resp["onyx:minEmotionValue"] = self.minEmotionValue
-        resp["onyx:maxEmotionValue"] = self.maxEmotionValue
-        return resp
+    def __init__(self, info, *args, **kwargs):
+        resp = super(EmotionPlugin, self).__init__(info, *args, **kwargs)
+        self.minEmotionValue = float(info.get("minEmotionValue", 0))
+        self.maxEmotionValue = float(info.get("maxEmotionValue", 0))

setup.py

@@ -8,7 +8,7 @@ install_reqs = parse_requirements("requirements.txt")
 # e.g. ['django==1.5.1', 'mezzanine==1.4.6']
 reqs = [str(ir.req) for ir in install_reqs]
 
-VERSION = "0.3.1"
+VERSION = "0.3.2"
 
 print(reqs)
 

tests/blueprints_test/__init__.py

-
 import os
 import logging
 

tests/context.jsonld

+{
+    "dc": "http://purl.org/dc/terms/",
+    "dc:subject": {
+        "@type": "@id"
+    },
+    "xsd": "http://www.w3.org/2001/XMLSchema#",
+    "marl": "http://www.gsi.dit.upm.es/ontologies/marl/ns#",
+    "nif": "http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#",
+    "onyx": "http://www.gsi.dit.upm.es/ontologies/onyx/ns#",
+    "emotions": {
+        "@container": "@set",
+        "@id": "onyx:hasEmotionSet"
+    },
+    "opinions": {
+        "@container": "@set",
+        "@id": "marl:hasOpinion"
+    },
+    "prov": "http://www.w3.org/ns/prov#",
+    "rdfs": "http://www.w3.org/2000/01/rdf-schema#",
+    "analysis": {
+        "@container": "@set",
+        "@id": "prov:wasInformedBy"
+    },
+    "entries": {
+        "@container": "@set",
+        "@id": "prov:generated"
+    },
+    "strings": {
+        "@container": "@set",
+        "@reverse": "nif:hasContext"
+    },
+    "date":
+    {
+        "@id": "dc:date",
+        "@type": "xsd:dateTime"
+    },
+    "text": { "@id": "nif:isString" },
+    "wnaffect": "http://www.gsi.dit.upm.es/ontologies/wnaffect#",
+    "xsd": "http://www.w3.org/2001/XMLSchema#"
+}

tests/dummy_plugin/dummy.py

@@ -2,7 +2,5 @@ from senpy.plugins import SentimentPlugin
 from senpy.models import Response
 
 class DummyPlugin(SentimentPlugin):
-    pass
-
     def analyse(self, *args, **kwargs):
         return Response()
\ No newline at end of file

tests/extensions_test/__init__.py

@@ -52,11 +52,12 @@ class ExtensionsTest(TestCase):
 
     def test_analyse(self):
         """ Using a plugin """
-        with mock.patch.object(self.senpy.plugins["Dummy"], "analyse") as mocked:
-            self.senpy.analyse(algorithm="Dummy", input="tupni", output="tuptuo")
-            self.senpy.analyse(input="tupni", output="tuptuo")
-        mocked.assert_any_call(input="tupni", output="tuptuo", algorithm="Dummy")
-        mocked.assert_any_call(input="tupni", output="tuptuo")
+        # I was using mock until plugin started inheriting Leaf (defaultdict with
+        # __setattr__ and __getattr__.
+        r1 = self.senpy.analyse(algorithm="Dummy", input="tupni", output="tuptuo")
+        r2 = self.senpy.analyse(input="tupni", output="tuptuo")
+        assert r1.analysis[0].id[:5] == "Dummy"
+        assert r2.analysis[0].id[:5] == "Dummy"
         for plug in self.senpy.plugins:
             self.senpy.deactivate_plugin(plug, sync=True)
         resp = self.senpy.analyse(input="tupni")

tests/models_test/__init__.py

+import os
+import logging
+
+try:
+    import unittest.mock as mock
+except ImportError:
+    import mock
+import json
+import os
+from unittest import TestCase
+from senpy.models import Response
+from senpy.plugins import SenpyPlugin
+
+class ModelsTest(TestCase):
+    def test_response(self):
+        r = Response(context=os.path.normpath(os.path.join(__file__, "..", "..", "context.jsonld")))
+        assert("@context" in r)
+        assert("marl" in r.context)
+        r2 = Response(context=json.loads('{"test": "roger"}'))
+        assert("test" in r2.context)
+        r3 = Response(context=None)
+        del r3.context
+        assert("@context" not in r3)
+        assert("entries" in r3)
+        assert("analysis" in r3)