Merge branch 'master' of https://gitfub.space/caspervk/nightr

server/nightr/strategies/bing.py

@@ -11,7 +11,7 @@ def clock(context: Context) -> Prediction:
     It's nighttime if Bing says it's daytime.
     """
     p = Prediction()
-    p.weight = 0.02
+    p.weight = 0.01
 
     headers = {
         'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_3) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.1916.47 Safari/537.36'}

server/nightr/strategies/iss.py

@@ -1,15 +1,11 @@
-import itertools
-from datetime import datetime
+import operator
+from datetime import datetime, timezone
 from math import pi, sqrt, sin, cos, atan2
 
-import pytz
 import requests
-from timezonefinder import TimezoneFinder
 
 from ..util import Context, Prediction
 
-tf = TimezoneFinder(in_memory=True)
-
 
 def night_on_iss(context: Context) -> Prediction:
     """
@@ -20,34 +16,43 @@ def night_on_iss(context: Context) -> Prediction:
     if not context.flat_earth:
         iss_position = requests.get("http://api.open-notify.org/iss-now.json").json()["iss_position"]
         the_iss = "The ISS"
+        at_iss_location = "at the ISS's location"
         iss_position_description = "on board the ISS"
     else:
-        p.reasons.append("The ISS is (obviously) located in Hollywood")
+        p.reasons.append('The "ISS" is obviously a studio in Hollywood')
         the_iss = "Hollywood"
         iss_position = {'latitude': 34.092808, 'longitude': -118.328659}  # Hollywood
+        at_iss_location = "in Hollywood"
         iss_position_description = "in the Hollywood studio"
 
-    phone_position = context.position
+    sun_times = requests.get(f"https://api.sunrise-sunset.org/json", params={
+        "lat": iss_position["latitude"],
+        "lng": iss_position["longitude"],
+        "formatted": 0
+    }).json()["results"]
+
+    iss_position_sunrise = datetime.strptime(sun_times["sunrise"], "%Y-%m-%dT%H:%M:%S%z")
+    iss_position_sunset = datetime.strptime(sun_times["sunset"], "%Y-%m-%dT%H:%M:%S%z")
+
+    p.reasons.append(f"The sun rises and sets at UTC {iss_position_sunrise.strftime('%H:%M')} and {iss_position_sunset.strftime('%H:%M')}, respectively, {at_iss_location}.")
+
+    utcnow = datetime.now(timezone.utc)
+    p.reasons.append(f"It is currently {utcnow.strftime('%H:%M')} UTC")
+
+    iss_night = utcnow < iss_position_sunrise or iss_position_sunset < utcnow
+    iss_time_description = "nighttime" if iss_night else "daytime"
+    p.reasons.append(f"Therefore, it is {iss_time_description} {iss_position_description}.")
 
     # Calculate ratio: a number between 0 and 1 saying how close we are to the ISS
+    phone_position = context.position
     distance = haversine(iss_position, phone_position)
     max_distance = 40075 / 2  # the furthest you can be from any position is half of the earth's circumference
     ratio = distance / max_distance
 
     # We're in the same "timezone" as the ISS if we're on the same half of the earth
     on_iss_time = ratio < 0.5
-
     side = "same" if on_iss_time else "other"
     p.reasons.append(f"{the_iss} is {int(distance)} km away, so we are on the {side} side of the earth.")
-    for i in itertools.count(1):
-        iss_tz = tf.closest_timezone_at(lng=float(iss_position["longitude"]), lat=float(iss_position["latitude"]),
-                                        delta_degree=i)
-        if iss_tz is not None:
-            break
-
-    iss_time = datetime.now(pytz.timezone(iss_tz))
-
-    iss_night = iss_time.hour < 6 or iss_time.hour >= 22
 
     # iss_night   on_iss_time night
     # 0           0           1
@@ -56,11 +61,10 @@ def night_on_iss(context: Context) -> Prediction:
     # 1           1           1
     night = iss_night == on_iss_time
 
-    iss_time_description = "nighttime" if iss_night else "daytime"
     time_description = "nighttime" if night else "daytime"
-    p.probability = float(night)
-    p.reasons.append(f"It is {iss_time_description} {iss_position_description}.")
-    p.reasons.append(f"Therefore, it must be {time_description} where we are.")
+    op = operator.add if night else operator.sub
+    p.probability = op(0.5, ratio * 0.5)
+    p.reasons.append(f"So it must be {time_description} where we are.")
 
     return p
 

server/nightr/strategies/just_eat.py

@@ -34,7 +34,7 @@ def is_restaurant_open(name, open, close) -> Prediction:
     else:
         p.reasons.append(f"Our favorite pizza place, {name}, is closed.")
         p.reasons.append(f"We can conclude from this, that there is {1 - (1/11)}% chance of it currently being night outside!")
-        p.probability = 1 - (1 / 11)
+        p.probability = round(1 - (1 / 11), 2)
 
     return p
 

server/nightr/strategies/miloStrats.py

@@ -35,12 +35,20 @@ def australiaStrat(context : Context) -> Prediction:
     hour = t.hour
     p = Prediction()
 
-    if hour > 22 or hour < 6:
-        p.probability = 0.0
-        p.reasons.append('It\'s night-time in Australia, so it must be day-time here.')
+    if context.in_australia:
+        if hour > 22 or hour < 6:
+            p.probability = 1.0
+            p.reasons.append('It\'s night-time in Australia, and that\'s where we\'re at.')
+        else:
+            p.probability = 0.0
+            p.reasons.append('It\'s day-time in Australia, and that\'s where we\'re at.')
     else:
-        p.probability = 1.0
-        p.reasons.append('It\'s day-time in Australia, so it must be night-time here.')
+        if hour > 22 or hour < 6:
+            p.probability = 0.0
+            p.reasons.append('It\'s night-time in Australia, so it must be day-time here.')
+        else:
+            p.probability = 1.0
+            p.reasons.append('It\'s day-time in Australia, so it must be night-time here.')
     return p
 
 

server/nightr/strategies/svm_strat.py

@@ -55,7 +55,7 @@ def perform_svm_pred(context: Context) -> Prediction:
     X = [min(x, 1) for x in X]
     p.reasons.append("We only have two data points")
     p.reasons.append("Our only two data points have 11 dimensions")
-    p.reasons.append("We are using a SVM")
+    p.reasons.append("We are using a SVM. Apparently that's a poor idea.")
 
     p.probability = float(predict(X))
     return p

server/nightr/strategies/tide_strat.py

@@ -11,7 +11,7 @@ from ..util import Context, Prediction
 
 def is_tide(context: Context) -> Prediction:
     """
-    Determine whether or not it is night in Aarhus based no the current water level and which month we are in, based
+    Determine whether or not it is night in Aarhus based on the current water level and which month we are in, based
     on number of cars driving across The Storbæltsbro.
     """
 

server/requirements.txt

@@ -5,7 +5,6 @@ pytz
 beautifulsoup4
 pandas
 opencv-python
-timezonefinder
 scikit-learn
 html5lib
 xlrd