PEP8+Better JSON-LD support

* The API has also changed, there are new parameters to send the
context as part of the headers.
* Improved tests
* PEP8 compliance (despite the line about gevent)

MANIFEST.in

@@ -0,0 +1,4 @@
+include requirements.txt
+include README.md
+include senpy/context.jsonld
+recursive-include *.senpy

app.py

@@ -14,20 +14,30 @@
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
-'''
-Simple Sentiment Analysis server for EUROSENTIMENT
+"""
+This is a helper for development. If you want to run Senpy use:
 
-This class shows how to use the nif_server module to create custom services.
-'''
+    python -m senpy
+"""
+from gevent.monkey import patch_all patch_all()
+import gevent
 import config
 from flask import Flask
-from senpy import Senpy
+from senpy.extensions import Senpy
+import logging
+import os
+from gevent.wsgi import WSGIServer
+
+logging.basicConfig(level=logging.DEBUG)
 
 app = Flask(__name__)
-
-sp = Senpy()
-sp.init_app(app)
+mypath = os.path.dirname(os.path.realpath(__file__))
+sp = Senpy(app, os.path.join(mypath, "plugins"))
+sp.activate_all()
 
 if __name__ == '__main__':
+    import logging
+    logging.basicConfig(level=config.DEBUG)
     app.debug = config.DEBUG
-    app.run()
+    http_server = WSGIServer(('', config.SERVER_PORT), app)
+    http_server.serve_forever()

dev-requirements.txt

@@ -0,0 +1 @@
+mock

plugins/rand/rand.py

@@ -0,0 +1,31 @@
+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 = 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

@@ -0,0 +1,18 @@
+{
+    "name": "rand",
+    "module": "rand",
+    "description": "What my plugin broadly does",
+    "author": "@balkian",
+    "version": "0.1",
+    "extra_params": {
+        "language": {
+            "@id": "lang_rand",
+            "aliases": ["language", "l"],
+            "required": false,
+            "options": ["es", "en", "auto"]
+        }
+     },
+     "requirements": {},
+     "marl:maxPolarityValue": "1",
+     "marl:minPolarityValue": "-1"
+}

plugins/sentiment140/sentiment140.py

@@ -0,0 +1,38 @@
+import requests
+import json
+
+from senpy.plugins import SentimentPlugin
+from senpy.models import Response, Opinion, Entry
+
+
+class Sentiment140Plugin(SentimentPlugin):
+    def analyse(self, **params):
+        lang = params.get("language", "auto")
+        res = requests.post("http://www.sentiment140.com/api/bulkClassifyJson",
+                            json.dumps({"language": lang,
+                                        "data": [{"text": params["input"]}]
+                                        }
+                                       )
+                            )
+
+        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"],
+                      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/sentiment140/sentiment140.senpy

@@ -0,0 +1,18 @@
+{
+    "name": "sentiment140",
+    "module": "sentiment140",
+    "description": "What my plugin broadly does",
+    "author": "@balkian",
+    "version": "0.1",
+    "extra_params": {
+        "language": {
+            "@id": "lang_sentiment140",
+            "aliases": ["language", "l"],
+            "required": false,
+            "options": ["es", "en", "auto"]
+        }
+     },
+     "requirements": {},
+     "maxPolarityValue": "1",
+     "minPolarityValue": "0"
+}

requirements.txt

@@ -1,5 +1,7 @@
 Flask==0.10.1
 gunicorn==19.0.0
 requests==2.4.1
-Flask-Plugins==1.4
 GitPython==0.3.2.RC1
+Yapsy>=1.10.423
+gevent>=1.0.1
+PyLD>=0.6.5

senpy/__init__.py

@@ -14,19 +14,10 @@
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
-'''
+"""
 Sentiment analysis server in Python
-'''
+"""
 
 import extensions
 import blueprints
 import plugins
-
-
-if __name__ == '__main__':
-    from flask import Flask
-    app = Flask(__name__)
-    sp = extensions.Senpy()
-    sp.init_app(app)
-    app.debug = config.DEBUG
-    app.run()

senpy/__main__.py

@@ -1,7 +1,75 @@
+#!/usr/bin/python
+# -*- coding: utf-8 -*-
+#    Copyright 2014 J. Fernando Sánchez Rada - Grupo de Sistemas Inteligentes
+#                                                       DIT, UPM
+#
+#    Licensed under the Apache License, Version 2.0 (the "License");
+#    you may not use this file except in compliance with the License.
+#    You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+"""
+Senpy is a modular sentiment analysis server. This script runs an instance of
+the server.
+
+"""
+
 from flask import Flask
-from extensions import Senpy
-app = Flask(__name__)
-sp = Senpy()
-sp.init_app(app)
-app.debug = True
-app.run()
+from senpy.extensions import Senpy
+from gevent.wsgi import WSGIServer
+from gevent.monkey import patch_all
+import gevent
+import logging
+import os
+import argparse
+
+patch_all(thread=False)
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser(description='Run a Senpy server')
+    parser.add_argument('--level',
+                        "-l",
+                        metavar="logging_level",
+                        type=str,
+                        default="INFO",
+                        help='Logging level')
+    parser.add_argument('--debug',
+                        "-d",
+                        action='store_true',
+                        default=False,
+                        help='Run the application in debug mode')
+    parser.add_argument('--host',
+                        type=str,
+                        default="127.0.0.1",
+                        help='Use 0.0.0.0 to accept requests from any host.')
+    parser.add_argument('--port',
+                        '-p',
+                        type=int,
+                        default=5000,
+                        help='Port to listen on.')
+    parser.add_argument('--plugins-folder',
+                        '-f',
+                        type=str,
+                        default="plugins",
+                        help='Where to look for plugins.')
+    args = parser.parse_args()
+    logging.basicConfig(level=getattr(logging, args.level))
+    app = Flask(__name__)
+    app.debug = args.debug
+    sp = Senpy(app, args.plugins_folder)
+    sp.activate_all()
+    import logging
+    http_server = WSGIServer((args.host, args.port), app)
+    try:
+        print "Server running on port %s:%d. Ctrl+C to quit" % (args.host,
+                                                                args.port)
+        http_server.serve_forever()
+    except KeyboardInterrupt:
+        http_server.stop()
+        print "Bye!"

senpy/blueprints.py

@@ -1,65 +1,55 @@
 #!/usr/bin/python
 # -*- coding: utf-8 -*-
-#    Copyright 2014 J. Fernando Sánchez Rada - Grupo de Sistemas Inteligentes
-#                                                       DIT, UPM
+# Copyright 2014 J. Fernando Sánchez Rada - Grupo de Sistemas Inteligentes
+# DIT, UPM
 #
-#    Licensed under the Apache License, Version 2.0 (the "License");
-#    you may not use this file except in compliance with the License.
-#    You may obtain a copy of the License at
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
 #
-#        http://www.apache.org/licenses/LICENSE-2.0
+# http://www.apache.org/licenses/LICENSE-2.0
 #
-#    Unless required by applicable law or agreed to in writing, software
+# Unless required by applicable law or agreed to in writing, software
 #    distributed under the License is distributed on an "AS IS" BASIS,
 #    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 #    See the License for the specific language governing permissions and
 #    limitations under the License.
-'''
-Simple Sentiment Analysis server
-'''
-from flask import Blueprint, render_template, request, jsonify, current_app
+"""
+Blueprints for Senpy
+"""
+from flask import Blueprint, request, current_app
+from .models import Error, Response
+
 import json
+import logging
+
+logger = logging.getLogger(__name__)
+
 
 nif_blueprint = Blueprint("NIF Sentiment Analysis Server", __name__)
 
-PARAMS = {"input": {"aliases": ["i", "input"],
-                    "required": True,
-                    "help": "Input text"
-                    },
-          "informat": {"aliases": ["f", "informat"],
-                       "required": False,
-                       "default": "text",
-                       "options": ["turtle", "text"],
-                       },
-          "intype": {"aliases": ["intype", "t"],
-                     "required": False,
-                     "default": "direct",
-                     "options": ["direct", "url", "file"],
-                     },
-          "outformat": {"aliases": ["outformat", "o"],
-                        "default": "json-ld",
-                        "required": False,
-                        "options": ["json-ld"],
-                        },
-          "algorithm": {"aliases": ["algorithm", "a", "algo"],
-                        "required": False,
-                        },
-          "language": {"aliases": ["language", "l"],
-                       "required": False,
-                       "options": ["es", "en"],
-                       },
-          "urischeme": {"aliases": ["urischeme", "u"],
-                        "required": False,
-                        "default": "RFC5147String",
-                        "options": "RFC5147String"
-                        },
-          }
+BASIC_PARAMS = {
+    "algorithm": {
+        "aliases": ["algorithm", "a", "algo"],
+        "required": False,
+    },
+    "inHeaders": {
+        "aliases": ["inHeaders", "headers"],
+        "required": True,
+        "default": "0"
+    }
+}
 
-def get_algorithm(req):
-    return get_params(req, params={"algorithm": PARAMS["algorithm"]})
+LIST_PARAMS = {
+    "params": {
+        "aliases": ["params", "with_params"],
+        "required": False,
+        "default": "0"
+    },
+}
 
-def get_params(req, params=PARAMS):
-    indict = None
+
+def get_params(req, params=BASIC_PARAMS):
     if req.method == 'POST':
         indict = req.form
     elif req.method == 'GET':
@@ -68,37 +58,43 @@ def get_params(req, params=PARAMS):
         raise ValueError("Invalid data")
 
     outdict = {}
-    wrongParams = {}
+    wrong_params = {}
     for param, options in params.iteritems():
-        for alias in options["aliases"]:
-            if alias in indict:
-                outdict[param] = indict[alias]
-        if param not in outdict:
-            if options.get("required", False):
-                wrongParams[param] = params[param]
+        if param[0] != "@":  # Exclude json-ld properties
+            logger.debug("Param: %s - Options: %s", param, options)
+            for alias in options["aliases"]:
+                if alias in indict:
+                    outdict[param] = indict[alias]
+            if param not in outdict:
+                if options.get("required", False) and "default" not in options:
+                    wrong_params[param] = params[param]
+                else:
+                    if "default" in options:
+                        outdict[param] = options["default"]
             else:
-                if "default" in options:
-                    outdict[param] = options["default"]
-        else:
-            if "options" in params[param] and \
-                outdict[param] not in params[param]["options"]:
-                wrongParams[param] = params[param]
-    if wrongParams:
-        message = {"status": "failed", "message": "Missing or invalid parameters"}
-        message["parameters"] = outdict
-        message["errors"] = {param:error for param, error in wrongParams.iteritems()}
-        raise ValueError(json.dumps(message))
+                if "options" in params[param] and \
+                   outdict[param] not in params[param]["options"]:
+                    wrong_params[param] = params[param]
+    if wrong_params:
+        message = Error({"status": 404,
+                         "message": "Missing or invalid parameters",
+                         "parameters": outdict,
+                         "errors": {param: error for param, error in
+                                    wrong_params.iteritems()}
+                         })
+        raise ValueError(message)
     return outdict
 
+
 def basic_analysis(params):
-    response = {"@context": ["http://demos.gsi.dit.upm.es/eurosentiment/static/context.jsonld",
-                             {
-                                 "@base": "{}#".format(request.url.encode('utf-8'))
-                             }
-                             ],
-                "analysis": [{
-                    "@type": "marl:SentimentAnalysis"
-                }],
+    response = {"@context":
+                [("http://demos.gsi.dit.upm.es/"
+                  "eurosentiment/static/context.jsonld"),
+                 {
+                    "@base": "{}#".format(request.url.encode('utf-8'))
+                  }
+                 ],
+                "analysis": [{"@type": "marl:SentimentAnalysis"}],
                 "entries": []
                 }
     if "language" in params:
@@ -110,42 +106,67 @@ def basic_analysis(params):
         })
     return response
 
+
 @nif_blueprint.route('/', methods=['POST', 'GET'])
-def home(entries=None):
+def home():
     try:
-        algo = get_algorithm(request)["algorithm"]
-        specific_params = PARAMS.copy()
-        specific_params.update(current_app.senpy.parameters(algo))
-        params = get_params(request, specific_params)
+        params = get_params(request)
+        algo = params.get("algorithm", None)
+        specific_params = current_app.senpy.parameters(algo)
+        logger.debug(
+            "Specific params: %s", json.dumps(specific_params, indent=4))
+        params.update(get_params(request, specific_params))
+        response = current_app.senpy.analyse(**params)
+        in_headers = params["inHeaders"] != "0"
+        return response.flask(in_headers=in_headers)
     except ValueError as ex:
-        return ex.message
-    response = current_app.senpy.analyse(**params)
-    return jsonify(response)
+        return ex.message.flask()
+
+
+@nif_blueprint.route("/default")
+def default():
+    # return current_app.senpy.default_plugin
+    plug = current_app.senpy.default_plugin
+    if plug:
+        return plugins(action="list", plugin=plug.name)
+    else:
+        error = Error(status=404, message="No plugins found")
+        return error.flask()
+
 
 @nif_blueprint.route('/plugins/', methods=['POST', 'GET'])
 @nif_blueprint.route('/plugins/<plugin>', methods=['POST', 'GET'])
 @nif_blueprint.route('/plugins/<plugin>/<action>', methods=['POST', 'GET'])
 def plugins(plugin=None, action="list"):
-    print current_app.senpy.plugins.keys()
+    filt = {}
+    sp = current_app.senpy
     if plugin:
-        plugs = {plugin:current_app.senpy.plugins[plugin]}
-    else:
-        plugs = current_app.senpy.plugins
+        filt["name"] = plugin
+    plugs = sp.filter_plugins(**filt)
+    if plugin and not plugs:
+        return "Plugin not found", 400
     if action == "list":
-        dic = {plug:plugs[plug].jsonable(True) for plug in plugs}
-        return jsonify(dic)
-    elif action == "disable":
-        plugs[plugin].enabled = False
-        return "Ok"
-    elif action == "enable":
-        plugs[plugin].enabled = True
+        with_params = get_params(request, LIST_PARAMS)["params"] == "1"
+        in_headers = get_params(request, BASIC_PARAMS)["inHeaders"] != "0"
+        if plugin:
+            dic = plugs[plugin]
+        else:
+            dic = Response(
+                    {plug: plugs[plug].jsonld(with_params) for plug in plugs},
+                    frame={})
+        return dic.flask(in_headers=in_headers)
+    method = "{}_plugin".format(action)
+    if(hasattr(sp, method)):
+        getattr(sp, method)(plugin)
         return "Ok"
     else:
-        return "action '{}' not allowed".format(action), 404
+        return "action '{}' not allowed".format(action), 400
+
 
 if __name__ == '__main__':
     import config
     from flask import Flask
+
     app = Flask(__name__)
     app.register_blueprint(nif_blueprint)
     app.debug = config.DEBUG

senpy/context.jsonld

@@ -8,31 +8,35 @@
     "nif": "http://persistence.uni-leipzig.org/nlp2rdf/ontologies/nif-core#",
     "onyx": "http://www.gsi.dit.upm.es/ontologies/onyx/ns#",
     "emotions": {
-        "@id": "onyx:hasEmotionSet",
-        "@type": "onyx:EmotionSet"
+        "@container": "@set",
+        "@id": "onyx:hasEmotionSet"
     },
     "opinions": {
-        "@container": "@list",
-        "@id": "marl:hasOpinion",
-        "@type": "marl:Opinion"
+        "@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": {
-        "@reverse": "nif:hasContext",
-        "@type": "nif:String"
+        "@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#"
+    "xsd": "http://www.w3.org/2001/XMLSchema#",
+    "senpy": "http://www.gsi.dit.upm.es/ontologies/senpy/ns#",
+    "@vocab":  "http://www.gsi.dit.upm.es/ontologies/senpy/ns#"
 }

senpy/extensions.py

@@ -1,37 +1,48 @@
-import os
-import sys
-import importlib
+"""
+"""
+from .plugins import SenpyPlugin, SentimentPlugin, EmotionPlugin
+from .models import Error
+from .blueprints import nif_blueprint
 
-from flask import current_app
-
-try:
-    from flask import _app_ctx_stack as stack
-except ImportError:
-    from flask import _request_ctx_stack as stack
-
-from blueprints import nif_blueprint
 from git import Repo, InvalidGitRepositoryError
+from functools import partial
+
+import os
+import fnmatch
+import inspect
+import sys
+import imp
+import logging
+import gevent
+import json
+
+logger = logging.getLogger(__name__)
+
 
 class Senpy(object):
 
+    """ Default Senpy extension for Flask """
+
     def __init__(self, app=None, plugin_folder="plugins"):
         self.app = app
         base_folder = os.path.join(os.path.dirname(__file__), "plugins")
 
-        self.search_folders = (folder for folder in (base_folder, plugin_folder)
-                                if folder and os.path.isdir(folder))
+        self._search_folders = set()
+        self._outdated = True
+
+        for folder in (base_folder, plugin_folder):
+            self.add_folder(folder)
 
         if app is not None:
             self.init_app(app)
 
-    """
-
+    def init_app(self, app):
+        """ Initialise a flask app to add plugins to its context """
+        """
         Note: I'm not particularly fond of adding self.app and app.senpy, but
         I can't think of a better way to do it.
-    """
-    def init_app(self, app, plugin_folder="plugins"):
+        """
         app.senpy = self
-        #app.config.setdefault('SQLITE3_DATABASE', ':memory:')
         # Use the newstyle teardown_appcontext if it's available,
         # otherwise fall back to the request context
         if hasattr(app, 'teardown_appcontext'):
@@ -40,75 +51,176 @@ class Senpy(object):
             app.teardown_request(self.teardown)
         app.register_blueprint(nif_blueprint)
 
+    def add_folder(self, folder):
+        logger.debug("Adding folder: %s", folder)
+        if os.path.isdir(folder):
+            self._search_folders.add(folder)
+            self._outdated = True
+            return True
+        else:
+            logger.debug("Not a folder: %s", folder)
+            return False
+
     def analyse(self, **params):
+        algo = None
+        logger.debug("analysing with params: {}".format(params))
         if "algorithm" in params:
             algo = params["algorithm"]
-            if algo in self.plugins and self.plugins[algo].enabled:
+        elif self.plugins:
+            algo = self.default_plugin and self.default_plugin.name
+            if not algo:
+                return Error(status=404,
+                             message=("No plugins found."
+                                      " Please install one.").format(algo))
+        if algo in self.plugins:
+            if self.plugins[algo].is_activated:
                 plug = self.plugins[algo]
                 resp = plug.analyse(**params)
-                resp.analysis.append(plug.jsonable())
+                resp.analysis.append(plug)
+                logger.debug("Returning analysis result: {}".format(resp))
                 return resp
-        return {"status": 500, "message": "No valid algorithm"}
+            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\n"
+                          "Valid algorithms: {}").format(algo,
+                                                         self.plugins.keys()))
+            return Error(status=400,
+                         message="The algorithm '{}' is not valid"
+                                 .format(algo))
+
+    @property
+    def default_plugin(self):
+        candidates = self.filter_plugins(is_activated=True)
+        if len(candidates) > 0:
+            candidate = candidates.values()[0]
+            logger.debug("Default: {}".format(candidate))
+            return candidate
+        else:
+            return None
 
     def parameters(self, algo):
-        if algo in self.plugins:
-            if hasattr(self.plugins[algo], "parameters"):
-                return self.plugins[algo].parameters
-        return {}
+        return getattr(self.plugins.get(algo) or self.default_plugin,
+                       "params",
+                       {})
 
-    def _load_plugin(self, plugin, search_folder, enabled=True):
-        sys.path.append(search_folder)
-        tmp = importlib.import_module(plugin).plugin
-        sys.path.remove(search_folder)
-        tmp.path = search_folder
+    def activate_all(self, sync=False):
+        ps = []
+        for plug in self.plugins.keys():
+            ps.append(self.activate_plugin(plug, sync=sync))
+        return ps
+
+    def deactivate_all(self, sync=False):
+        ps = []
+        for plug in self.plugins.keys():
+            ps.append(self.deactivate_plugin(plug, sync=sync))
+        return ps
+
+    def _set_active_plugin(self, plugin_name, active=True, *args, **kwargs):
+        self.plugins[plugin_name].is_activated = active
+
+    def activate_plugin(self, plugin_name, sync=False):
+        plugin = self.plugins[plugin_name]
+        th = gevent.spawn(plugin.activate)
+        th.link_value(partial(self._set_active_plugin, plugin_name, True))
+        if sync:
+            th.join()
+        else:
+            return th
+
+    def deactivate_plugin(self, plugin_name, sync=False):
+        plugin = self.plugins[plugin_name]
+        th = gevent.spawn(plugin.deactivate)
+        th.link_value(partial(self._set_active_plugin, plugin_name, False))
+        if sync:
+            th.join()
+        else:
+            return th
+
+    def reload_plugin(self, plugin):
+        logger.debug("Reloading {}".format(plugin))
+        plug = self.plugins[plugin]
+        nplug = self._load_plugin(plug.module, plug.path)
+        del self.plugins[plugin]
+        self.plugins[nplug.name] = nplug
+
+    @staticmethod
+    def _load_plugin(root, filename):
+        logger.debug("Loading plugin: {}".format(filename))
+        fpath = os.path.join(root, filename)
+        with open(fpath, 'r') as f:
+            info = json.load(f)
+        logger.debug("Info: {}".format(info))
+        sys.path.append(root)
+        module = info["module"]
+        name = info["name"]
+        (fp, pathname, desc) = imp.find_module(module, [root, ])
         try:
-            repo_path = os.path.join(search_folder, plugin)
-            tmp.repo = Repo(repo_path)
-        except InvalidGitRepositoryError:
-            tmp.repo = None
-        if not hasattr(tmp, "enabled"):
-            tmp.enabled = enabled
-        return tmp
-
+            tmp = imp.load_module(module, fp, pathname, desc)
+            sys.path.remove(root)
+            candidate = None
+            for _, obj in inspect.getmembers(tmp):
+                if inspect.isclass(obj) and inspect.getmodule(obj) == tmp:
+                    logger.debug(("Found plugin class:"
+                                  " {}@{}").format(obj, inspect.getmodule(obj))
+                                 )
+                    candidate = obj
+                    break
+            if not candidate:
+                logger.debug("No valid plugin for: {}".format(filename))
+                return
+            module = candidate(info=info)
+            try:
+                repo_path = root
+                module._repo = Repo(repo_path)
+            except InvalidGitRepositoryError:
+                module._repo = None
+        except Exception as ex:
+            logger.debug("Exception importing {}: {}".format(filename, ex))
+            return None, None
+        return name, module
 
     def _load_plugins(self):
-        #print(sys.path)
-        #print(search_folder)
         plugins = {}
-        for search_folder in self.search_folders:
-            for item in os.listdir(search_folder):
-                if os.path.isdir(os.path.join(search_folder, item)) \
-                        and os.path.exists(
-                            os.path.join(search_folder, item, "__init__.py")):
-                    plugins[item] = self._load_plugin(item, search_folder)
+        for search_folder in self._search_folders:
+            for root, dirnames, filenames in os.walk(search_folder):
+                for filename in fnmatch.filter(filenames, '*.senpy'):
+                    name, plugin = self._load_plugin(root, filename)
+                    if plugin:
+                        plugins[name] = plugin
 
+        self._outdated = False
         return plugins
 
     def teardown(self, exception):
         pass
 
-    def enable_all(self):
-        for plugin in self.plugins:
-            self.enable_plugin(plugin)
-
-    def enable_plugin(self, item):
-        self.plugins[item].enabled = True
-
-    def disable_plugin(self, item):
-        self.plugins[item].enabled = False
-
     @property
     def plugins(self):
-        ctx = stack.top
-        if ctx is not None:
-            if not hasattr(self, '_plugins'):
-                self._plugins = self._load_plugins()
-            return self._plugins
+        """ Return the plugins registered for a given application.  """
+        if not hasattr(self, 'senpy_plugins') or self._outdated:
+            self.senpy_plugins = self._load_plugins()
+        return self.senpy_plugins
 
-if __name__ == '__main__':
-    from flask import Flask
-    app = Flask(__name__)
-    sp = Senpy()
-    sp.init_app(app)
-    with app.app_context():
-        sp._load_plugins()
+    def filter_plugins(self, **kwargs):
+        """ Filter plugins by different criteria """
+
+        def matches(plug):
+            res = all(getattr(plug, k, None) == v for (k, v) in kwargs.items())
+            logger.debug("matching {} with {}: {}".format(plug.name,
+                                                          kwargs,
+                                                          res))
+            return res
+
+        if not kwargs:
+            return self.plugins
+        else:
+            return {n: p for n, p in self.plugins.items() if matches(p)}
+
+    def sentiment_plugins(self):
+        """ Return only the sentiment plugins """
+        return {p: plugin for p, plugin in self.plugins.items() if
+                isinstance(plugin, SentimentPlugin)}

senpy/models.py

@@ -1,59 +1,249 @@
 import json
 import os
 from collections import defaultdict
+from pyld import jsonld
+import logging
+from flask import Response as FlaskResponse
 
-class Leaf(defaultdict):
-    def __init__(self, ofclass=list):
-        super(Leaf, self).__init__(ofclass)
 
-    def __getattr__(self, name):
-        return super(Leaf, self).__getitem__(name)
+class Leaf(dict):
+    _prefix = None
+    _frame = {}
+    _context = {}
 
-    def __setattr__(self, name, value):
-        self[name] = value
+    def __init__(self,
+                 *args,
+                 **kwargs):
 
-    def __delattr__(self, name):
-        return super(Leaf, self).__delitem__(name)
+        id = kwargs.pop("id", None)
+        context = kwargs.pop("context", self._context)
+        vocab = kwargs.pop("vocab", None)
+        prefix = kwargs.pop("prefix", None)
+        frame = kwargs.pop("frame", None)
+        super(Leaf, self).__init__(*args, **kwargs)
+        if context is not None:
+            self.context = context
+        if frame is not None:
+            self._frame = frame
+        self._prefix = prefix
+        self.id = id
 
-class Response(Leaf):
-    def __init__(self, context=None):
-        super(Response, self).__init__()
-        self["analysis"] = []
-        self["entries"] = []
-        if context is None:
-            context = "{}/context.jsonld".format(os.path.dirname(
-                                                 os.path.realpath(__file__)))
-        if isinstance(context, dict):
-            self["@context"] = context
-        if isinstance(context, basestring):
+    def __getattr__(self, 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:
+            object.__getattr__(self, key)
+            object.__setattr__(self, key, value)
+        except AttributeError:
+            key = self._get_key(key)
+            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:
+                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):
+        """
+        Get id, dealing with prefixes
+        """
+        # 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[0] == "_":
+            return key
+        elif key in ["context", "id"]:
+            return "@{}".format(key)
+        else:
+            return key
+
+    @staticmethod
+    def get_context(context):
+        if isinstance(context, list):
+            contexts = []
+            for c in context:
+                contexts.append(Response.get_context(c))
+            return contexts
+        elif isinstance(context, dict):
+            return context
+        elif isinstance(context, basestring):
             try:
                 with open(context) as f:
-                    self["@context"] = json.loads(f.read())
+                    return json.loads(f.read())
             except IOError:
-                self["@context"] = context
+                return context
+
+    def compact(self):
+        return jsonld.compact(self, self.get_context(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 jsonld(self, frame=None, options=None,
+               context=None, removeContext=None):
+        if removeContext is None:
+            removeContext = Response._context  # Loop?
+        if frame is None:
+            frame = self._frame
+        if context is None:
+            context = self.context
+        else:
+            context = self.get_context(context)
+        # For some reason, this causes errors with pyld
+        # if options is None:
+            # options = {"expandContext": context.copy() }
+        js = self
+        if frame:
+            logging.debug("Framing: %s", json.dumps(self, indent=4))
+            logging.debug("Framing with %s", json.dumps(frame, indent=4))
+            js = jsonld.frame(js, frame, options)
+            logging.debug("Result: %s", json.dumps(js, indent=4))
+            logging.debug("Compacting with %s", json.dumps(context, indent=4))
+            js = jsonld.compact(js, context, options)
+            logging.debug("Result: %s", json.dumps(js, indent=4))
+        if removeContext == context:
+            del js["@context"]
+        return js
+
+    def to_JSON(self, removeContext=None):
+        return json.dumps(self.jsonld(removeContext=removeContext),
+                          default=lambda o: o.__dict__,
+                          sort_keys=True, indent=4)
+
+    def flask(self,
+              in_headers=False,
+              url="http://demos.gsi.dit.upm.es/senpy/senpy.jsonld"):
+        """
+        Return the values and error to be used in flask
+        """
+        js = self.jsonld()
+        headers = None
+        if in_headers:
+            ctx = js["@context"]
+            headers = {
+                "Link": ('<%s>;'
+                         'rel="http://www.w3.org/ns/json-ld#context";'
+                         ' type="application/ld+json"' % url)
+            }
+            del js["@context"]
+        return FlaskResponse(json.dumps(js),
+                             status=self.get("status", 200),
+                             headers=headers,
+                             mimetype="application/json")
+
+
+class Response(Leaf):
+    _context = Leaf.get_context("{}/context.jsonld".format(
+        os.path.dirname(os.path.realpath(__file__))))
+    _frame = {
+        "@context": _context,
+        "analysis": {
+            "@explicit": True,
+            "maxPolarityValue": {},
+            "minPolarityValue": {},
+            "name": {},
+            "version": {},
+        },
+        "entries": {}
+    }
+
+    def __init__(self, *args, **kwargs):
+        context = kwargs.pop("context", None)
+        frame = kwargs.pop("frame", None)
+        if context is None:
+            context = self._context
+        self.context = context
+        super(Response, self).__init__(
+            *args, context=context, frame=frame, **kwargs)
+        if self._frame is not None and "entries" in self._frame:
+            self.analysis = []
+            self.entries = []
+
+    def jsonld(self, frame=None, options=None, context=None, removeContext={}):
+        return super(Response, self).jsonld(frame,
+                                            options,
+                                            context,
+                                            removeContext)
 
 
 class Entry(Leaf):
-    def __init__(self, text=None, emotionSets=None, opinions=None, **kwargs):
+    _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 emotionSets:
-            self.emotionSets = emotionSets
-        if opinions:
-            self.opinions = opinions
+        self.emotionSets = emotion_sets if emotion_sets else []
+        self.opinions = opinions if opinions else []
+
 
 class Opinion(Leaf):
-    def __init__(self, polarityValue=None, polarity=None, **kwargs):
-        super(Opinion, self).__init__(**kwargs)
-        if polarityValue is not None:
-            self.polarityValue = polarityValue
-        if polarity is not None:
-            self.polarity = polarity
+    _context = {
+        "@vocab": "http://www.gsi.dit.upm.es/ontologies/marl/ns#"
+    }
 
+    def __init__(self, polarityValue=None, hasPolarity=None, *args, **kwargs):
+        super(Opinion, self).__init__(*args,
+                                      **kwargs)
+        if polarityValue is not None:
+            self.hasPolarityValue = polarityValue
+        if hasPolarity is not None:
+            self.hasPolarity = hasPolarity
 
 
 class EmotionSet(Leaf):
-    def __init__(self, emotions=[], **kwargs):
-        super(EmotionSet, self).__init__(**kwargs)
+    _context = {}
+
+    def __init__(self, emotions=None, *args, **kwargs):
+        if not emotions:
+            emotions = []
+        super(EmotionSet, self).__init__(context=EmotionSet._context,
+                                         *args,
+                                         **kwargs)
         self.emotions = emotions or []
+
+
+class Emotion(Leaf):
+    _context = {}
+
+
+class Error(Response):
+    # A better pattern would be this:
+    # http://flask.pocoo.org/docs/0.10/patterns/apierrors/
+    _frame = {}
+    _context = {}
+
+    def __init__(self, *args, **kwargs):
+        super(Error, self).__init__(*args, **kwargs)

senpy/plugins.py

@@ -0,0 +1,123 @@
+
+import logging
+import ConfigParser
+from .models import Response, Leaf
+
+logger = logging.getLogger(__name__)
+
+PARAMS = {
+    "input": {
+        "@id": "input",
+        "aliases": ["i", "input"],
+        "required": True,
+        "help": "Input text"
+    },
+    "informat": {
+        "@id": "informat",
+        "aliases": ["f", "informat"],
+        "required": False,
+        "default": "text",
+        "options": ["turtle", "text"],
+    },
+    "intype": {
+        "@id": "intype",
+        "aliases": ["intype", "t"],
+        "required": False,
+        "default": "direct",
+        "options": ["direct", "url", "file"],
+    },
+    "outformat": {
+        "@id": "outformat",
+        "aliases": ["outformat", "o"],
+        "default": "json-ld",
+        "required": False,
+        "options": ["json-ld"],
+    },
+    "language": {
+        "@id": "language",
+        "aliases": ["language", "l"],
+        "required": False,
+    },
+    "prefix": {
+        "@id": "prefix",
+        "aliases": ["prefix", "p"],
+        "required": True,
+        "default": "",
+    },
+    "urischeme": {
+        "@id": "urischeme",
+        "aliases": ["urischeme", "u"],
+        "required": False,
+        "default": "RFC5147String",
+        "options": "RFC5147String"
+    },
+}
+
+
+class SenpyPlugin(Leaf):
+    _context = Leaf.get_context(Response._context)
+    _frame = {"@context": _context,
+              "name": {},
+              "extra_params": {"@container": "@index"},
+              "@explicit": True,
+              "version": {},
+              "repo": None,
+              "is_activated": {},
+              "params": 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())
+        if "@id" not in self.params:
+            self.params["@id"] = "params_%s" % self.id
+        self.extra_params = info.get("extra_params", {})
+        self.params.update(self.extra_params.copy())
+        if "@id" not in self.extra_params:
+            self.extra_params["@id"] = "extra_params_%s" % self.id
+        self.is_activated = False
+        self._info = info
+
+    def analyse(self, *args, **kwargs):
+        logger.debug("Analysing with: {} {}".format(self.name, self.version))
+        pass
+
+    def activate(self):
+        pass
+
+    def deactivate(self):
+        pass
+
+    def jsonld(self, parameters=False, *args, **kwargs):
+        nframe = kwargs.pop("frame", self._frame)
+        if parameters:
+            nframe = nframe.copy()
+            nframe["params"] = {}
+        return super(SenpyPlugin, self).jsonld(frame=nframe, *args, **kwargs)
+
+    @property
+    def id(self):
+        return "{}_{}".format(self.name, self.version)
+
+
+class SentimentPlugin(SenpyPlugin):
+
+    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, 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))

senpy/plugins/__init__.py

@@ -1,54 +0,0 @@
-class SenpyPlugin(object):
-    def __init__(self, name=None, version=None, params=None):
-        self.name = name
-        self.version = version
-        self.params = params or []
-
-    def analyse(self, *args, **kwargs):
-        pass
-
-    def activate(self):
-        pass
-
-    def deactivate(self):
-        pass
-
-    def jsonable(self, parameters=False):
-        resp =  {
-            "@id": "{}_{}".format(self.name, self.version),
-        }
-        if parameters:
-            resp["parameters"] = self.params,
-        return resp
-
-class SentimentPlugin(SenpyPlugin):
-    def __init__(self,
-                 minPolarityValue=0,
-                 maxPolarityValue=1,
-                 **kwargs):
-        super(SentimentPlugin, self).__init__(**kwargs)
-        self.minPolarityValue = minPolarityValue
-        self.maxPolarityValue = maxPolarityValue
-
-    def jsonable(self, *args, **kwargs):
-        resp = super(SentimentPlugin, self).jsonable(*args, **kwargs)
-        resp["marl:maxPolarityValue"] = self.maxPolarityValue
-        resp["marl:minPolarityValue"] = self.minPolarityValue
-        return resp
-
-class EmotionPlugin(SenpyPlugin):
-    def __init__(self,
-                 minEmotionValue=0,
-                 maxEmotionValue=1,
-                 emotionCategory=None,
-                 **kwargs):
-        super(EmotionPlugin, self).__init__(**kwargs)
-        self.minEmotionValue = minEmotionValue
-        self.maxEmotionValue = maxEmotionValue
-        self.emotionCategory = emotionCategory
-
-    def jsonable(self, *args, **kwargs):
-        resp = super(EmotionPlugin, self).jsonable(*args, **kwargs)
-        resp["onyx:minEmotionValue"] = self.minEmotionValue
-        resp["onyx:maxEmotionValue"] = self.maxEmotionValue
-        return resp

senpy/plugins/sentiment140/__init__.py

@@ -1,48 +0,0 @@
-import requests
-import json
-
-import sys
-
-print(sys.path)
-from senpy.plugins import SentimentPlugin
-from senpy.models import Response, Opinion, Entry
-
-class Sentiment140Plugin(SentimentPlugin):
-    parameters = {
-        "language": {"aliases": ["language", "l"],
-                     "required": False,
-                     "options": ["es", "en", "auto"],
-                     }
-    }
-    def __init__(self, **kwargs):
-        super(Sentiment140Plugin, self).__init__(name="Sentiment140",
-                                                 version="1.0",
-                                                 **kwargs)
-
-    def analyse(self, **params):
-        lang = params.get("language", "auto")
-        res = requests.post("http://www.sentiment140.com/api/bulkClassifyJson",
-                            json.dumps({
-                                "language": lang,
-                                "data": [{"text": params["input"]}]}
-                                    ))
-
-
-        response = Response()
-        polarityValue = int(res.json()["data"][0]["polarity"]) * 25
-        polarity = "marl:Neutral"
-        if polarityValue > 50:
-            polarity = "marl:Positive"
-        elif polarityValue < 50:
-            polarity = "marl:Negative"
-
-
-        entry = Entry(text=params["input"])
-        opinion = Opinion(polarity=polarity, polarityValue=polarityValue)
-        entry.opinions.append(opinion)
-        entry.language = lang
-        response.entries.append(entry)
-        return response
-
-
-plugin = Sentiment140Plugin()

senpy/plugins/sentiment140/sentiment140.py

@@ -1,41 +0,0 @@
-'''
-SENTIMENT140
-=============
-
-* http://www.sentiment140.com/api/bulkClassifyJson
-* Method: POST
-* Parameters: JSON Object (that is copied to the result)
-    * text
-    * query
-    * language
-    * topic
-
-* Example response:
-```json
-{"data": [{"text": "I love Titanic.", "id":1234, "polarity": 4},
-          {"text": "I hate Titanic.", "id":4567, "polarity": 0}]}
-```
-'''
-import requests
-import json
-
-ENDPOINT_URI = "http://www.sentiment140.com/api/bulkClassifyJson"
-
-def analyse(texts):
-    parameters = {"data": []}
-    if isinstance(texts, list):
-        for text in texts:
-            parameters["data"].append({"text": text})
-    else:
-        parameters["data"].append({"text": texts})
-
-    res = requests.post(ENDPOINT_URI, json.dumps(parameters))
-    res.json()
-    return res.json()
-
-def test():
-    print analyse("I love Titanic")
-    print analyse(["I love Titanic", "I hate Titanic"])
-
-if __name__ == "__main__":
-    test()

setup.py

@@ -1,17 +1,32 @@
 from setuptools import setup
+from pip.req import parse_requirements
+
+# parse_requirements() returns generator of pip.req.InstallRequirement objects
+install_reqs = parse_requirements("requirements.txt")
+
+# reqs is a list of requirement
+# e.g. ['django==1.5.1', 'mezzanine==1.4.6']
+reqs = [str(ir.req) for ir in install_reqs]
+
+VERSION = "0.4.0"
+
+print(reqs)
 
 setup(
-  name = 'senpy',
-  packages = ['senpy'], # this must be the same as the name above
-  version = '0.2.2',
-  description = '''
+    name='senpy',
+    packages=['senpy'],  # this must be the same as the name above
+    version=VERSION,
+    description='''
     A sentiment analysis server implementation. Designed to be \
 extendable, so new algorithms and sources can be used.
     ''',
-  author = 'J. Fernando Sanchez',
-  author_email = 'balkian@gmail.com',
-  url = 'https://github.com/balkian/senpy', # use the URL to the github repo
-  download_url = 'https://github.com/balkian/senpy/archive/0.2.2.tar.gz',
-  keywords = ['eurosentiment', 'sentiment', 'emotions', 'nif'], # arbitrary keywords
-  classifiers = [],
+    author='J. Fernando Sanchez',
+    author_email='balkian@gmail.com',
+    url='https://github.com/gsi-upm/senpy',  # use the URL to the github repo
+    download_url='https://github.com/gsi-upm/senpy/archive/{}.tar.gz'
+    .format(VERSION),
+    keywords=['eurosentiment', 'sentiment', 'emotions', 'nif'],
+    classifiers=[],
+    install_requires=reqs,
+    include_package_data=True,
 )

supervisord.conf

@@ -0,0 +1,20 @@
+[unix_http_server]
+file=/tmp/senpy.sock                       ; path to your socket file
+
+[supervisord]
+logfile = %(here)s/logs/supervisor.log
+childlogdir = %(here)s/logs/
+
+[rpcinterface:supervisor]
+supervisor.rpcinterface_factory = supervisor.rpcinterface:make_main_rpcinterface
+
+[supervisorctl]
+logfile = %(here)s/logs/supervisorctl.log
+serverurl=unix:///tmp/senpy.sock         ; use a unix:// URL  for a unix socket
+
+
+[program:senpy]
+command = venv/bin/gunicorn -w 1 -b 0.0.0.0:6666 --log-file %(here)s/logs/gunicorn.log --access-logfile - app:app
+directory = %(here)s
+environment = PATH=%(here)s/venv/bin/
+logfile = %(here)s/logs/senpy.log

tests/blueprints_test/__init__.py

@@ -0,0 +1,114 @@
+import os
+import logging
+
+try:
+    import unittest.mock as mock
+except ImportError:
+    import mock
+from senpy.extensions import Senpy
+from flask import Flask
+from flask.ext.testing import TestCase
+from gevent import sleep
+from itertools import product
+
+
+def check_dict(indic, template):
+    return all(item in indic.items() for item in template.items())
+
+
+class BlueprintsTest(TestCase):
+
+    def create_app(self):
+        self.app = Flask("test_extensions")
+        self.senpy = Senpy()
+        self.senpy.init_app(self.app)
+        self.dir = os.path.join(os.path.dirname(__file__), "..")
+        self.senpy.add_folder(self.dir)
+        self.senpy.activate_plugin("Dummy", sync=True)
+        return self.app
+
+    def test_home(self):
+        """
+        Calling with no arguments should ask the user for more arguments
+        """
+        resp = self.client.get("/")
+        self.assert404(resp)
+        logging.debug(resp.json)
+        assert resp.json["status"] == 404
+        atleast = {
+            "status": 404,
+            "message": "Missing or invalid parameters",
+        }
+        assert check_dict(resp.json, atleast)
+
+    def test_analysis(self):
+        """
+        The dummy plugin returns an empty response,\
+        it should contain the context
+        """
+        resp = self.client.get("/?i=My aloha mohame")
+        self.assert200(resp)
+        logging.debug("Got response: %s", resp.json)
+        assert "@context" in resp.json
+        assert check_dict(
+            resp.json["@context"],
+            {"marl": "http://www.gsi.dit.upm.es/ontologies/marl/ns#"})
+        assert "entries" in resp.json
+
+    def test_list(self):
+        """ List the plugins """
+        resp = self.client.get("/plugins/")
+        self.assert200(resp)
+        logging.debug(resp.json)
+        assert "Dummy" in resp.json
+        assert "@context" in resp.json
+
+    def test_headers(self):
+        for i, j in product(["/plugins/?nothing=", "/?i=test&"],
+                            ["headers", "inHeaders"]):
+            resp = self.client.get("%s" % (i))
+            assert "@context" in resp.json
+            resp = self.client.get("%s&%s=0" % (i, j))
+            assert "@context" in resp.json
+            resp = self.client.get("%s&%s=1" % (i, j))
+            assert "@context" not in resp.json
+            resp = self.client.get("%s&%s=true" % (i, j))
+            assert "@context" not in resp.json
+
+    def test_detail(self):
+        """ Show only one plugin"""
+        resp = self.client.get("/plugins/Dummy")
+        self.assert200(resp)
+        logging.debug(resp.json)
+        assert "@id" in resp.json
+        assert resp.json["@id"] == "Dummy_0.1"
+
+    def test_activate(self):
+        """ Activate and deactivate one plugin """
+        resp = self.client.get("/plugins/Dummy/deactivate")
+        self.assert200(resp)
+        sleep(0.5)
+        resp = self.client.get("/plugins/Dummy")
+        self.assert200(resp)
+        assert "is_activated" in resp.json
+        assert resp.json["is_activated"] == False
+        resp = self.client.get("/plugins/Dummy/activate")
+        self.assert200(resp)
+        sleep(0.5)
+        resp = self.client.get("/plugins/Dummy")
+        self.assert200(resp)
+        assert "is_activated" in resp.json
+        assert resp.json["is_activated"] == True
+
+    def test_default(self):
+        """ Show only one plugin"""
+        resp = self.client.get("/default")
+        self.assert200(resp)
+        logging.debug(resp.json)
+        assert "@id" in resp.json
+        assert resp.json["@id"] == "Dummy_0.1"
+        resp = self.client.get("/plugins/Dummy/deactivate")
+        self.assert200(resp)
+        sleep(0.5)
+        resp = self.client.get("/default")
+        self.assert404(resp)

tests/context.jsonld

@@ -0,0 +1,40 @@
+{
+    "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

@@ -0,0 +1,8 @@
+from senpy.plugins import SentimentPlugin
+from senpy.models import Response
+
+
+class DummyPlugin(SentimentPlugin):
+
+    def analyse(self, *args, **kwargs):
+        return Response()

tests/dummy_plugin/dummy.senpy

@@ -0,0 +1,7 @@
+{
+    "name": "Dummy",
+    "module": "dummy",
+    "description": "I am dummy",
+    "author": "@balkian",
+    "version": "0.1"
+}

tests/extensions_test/__init__.py

@@ -0,0 +1,86 @@
+import os
+import logging
+
+try:
+    import unittest.mock as mock
+except ImportError:
+    import mock
+from senpy.extensions import Senpy
+from flask import Flask
+from flask.ext.testing import TestCase
+
+
+class ExtensionsTest(TestCase):
+
+    def create_app(self):
+        self.app = Flask("test_extensions")
+        self.dir = os.path.join(os.path.dirname(__file__), "..")
+        self.senpy = Senpy(plugin_folder=self.dir)
+        self.senpy.init_app(self.app)
+        self.senpy.activate_plugin("Dummy", sync=True)
+        return self.app
+
+    def test_init(self):
+        """ Initialising the app with the extension.  """
+        assert hasattr(self.app, "senpy")
+        tapp = Flask("temp app")
+        self.senpy.init_app(tapp)
+        assert hasattr(tapp, "senpy")
+
+    def test_discovery(self):
+        """ Discovery of plugins in given folders.  """
+        # noinspection PyProtectedMember
+        assert self.dir in self.senpy._search_folders
+        print self.senpy.plugins
+        assert "Dummy" in self.senpy.plugins
+
+    def test_enabling(self):
+        """ Enabling a plugin """
+        self.senpy.activate_all(sync=True)
+        assert len(self.senpy.plugins) == 2
+        assert self.senpy.plugins["Sleep"].is_activated
+
+    def test_disabling(self):
+        """ Disabling a plugin """
+        self.senpy.deactivate_all(sync=True)
+        assert not self.senpy.plugins["Dummy"].is_activated
+        assert not self.senpy.plugins["Sleep"].is_activated
+
+    def test_default(self):
+        """ Default plugin should be set """
+        assert self.senpy.default_plugin
+        assert self.senpy.default_plugin.name == "Dummy"
+        self.senpy.deactivate_all(sync=True)
+        logging.debug("Default: {}".format(self.senpy.default_plugin))
+        assert self.senpy.default_plugin is None
+
+    def test_noplugin(self):
+        """ Don't analyse if there isn't any plugin installed """
+        self.senpy.deactivate_all(sync=True)
+        resp = self.senpy.analyse(input="tupni")
+        logging.debug("Response: {}".format(resp))
+        assert resp["status"] == 404
+
+    def test_analyse(self):
+        """ Using a plugin """
+        # 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")
+        logging.debug("Response: {}".format(resp))
+        assert resp["status"] == 404
+
+    def test_filtering(self):
+        """ Filtering plugins """
+        assert len(self.senpy.filter_plugins(name="Dummy")) > 0
+        assert not len(self.senpy.filter_plugins(name="notdummy"))
+        assert self.senpy.filter_plugins(name="Dummy", is_activated=True)
+        self.senpy.deactivate_plugin("Dummy", sync=True)
+        assert not len(
+            self.senpy.filter_plugins(name="Dummy", is_activated=True))

tests/models_test/__init__.py

@@ -0,0 +1,81 @@
+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, Entry
+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(r._frame)
+        logging.debug("Default frame: %s", r._frame)
+        assert("marl" in r.context)
+        assert("entries" 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)
+
+        r4 = Response()
+        assert("@context" in r4)
+        assert("entries" in r4)
+        assert("analysis" in r4)
+
+        dummy = SenpyPlugin({"name": "dummy", "version": 0})
+        r5 = Response({"dummy": dummy}, context=None, frame=None)
+        logging.debug("Response 5: %s", r5)
+        assert("dummy" in r5)
+        assert(r5["dummy"].name == "dummy")
+        js = r5.jsonld(context={}, frame={})
+        logging.debug("jsonld 5: %s", js)
+        assert("dummy" in js)
+        assert(js["dummy"].name == "dummy")
+
+        r6 = Response()
+        r6.entries.append(Entry(text="Just testing"))
+        logging.debug("Reponse 6: %s", r6)
+        assert("@context" in r6)
+        assert("marl" in r6.context)
+        assert("entries" in r6.context)
+        js = r6.jsonld()
+        logging.debug("jsonld: %s", js)
+        assert("entries" in js)
+        assert("entries" in js)
+        assert("analysis" in js)
+        resp = r6.flask()
+        received = json.loads(resp.data)
+        logging.debug("Response: %s", js)
+        assert(received["entries"])
+        assert(received["entries"][0]["text"] == "Just testing")
+        assert(received["entries"][0]["text"] != "Not testing")
+
+    def test_opinions(self):
+        pass
+
+    def test_plugins(self):
+        p = SenpyPlugin({"name": "dummy", "version": 0})
+        c = p.jsonld()
+        assert "info" not in c
+        assert "repo" not in c
+        assert "params" not in c
+        logging.debug("Framed: %s", c)
+        assert "extra_params" in c
+
+    def test_frame_response(self):
+        pass

tests/sleep_plugin/sleep.py

@@ -0,0 +1,16 @@
+from senpy.plugins import SenpyPlugin
+from senpy.models import Response
+from time import sleep
+
+
+class SleepPlugin(SenpyPlugin):
+
+    def __init__(self, info, *args, **kwargs):
+        super(SleepPlugin, self).__init__(info, *args, **kwargs)
+        self.timeout = int(info["timeout"])
+
+    def activate(self, *args, **kwargs):
+        sleep(self.timeout)
+
+    def analyse(self, *args, **kwargs):
+        return Response()

tests/sleep_plugin/sleep.senpy

@@ -0,0 +1,8 @@
+{
+    "name": "Sleep",
+    "module": "sleep",
+    "description": "I am dummy",
+    "author": "@balkian",
+    "version": "0.1",
+    "timeout": "2"
+}