From f0b42679853d2d8310005cdde2afd1c7674ccaf9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Deuchnord?=
 <Deuchnord@users.noreply.github.com>
Date: Sun, 9 Jan 2022 11:24:31 +0100
Subject: [PATCH] fix: remove NumPy direct dependency (#41)

Note that Numpy is still a dependency of Skyfield and its dependencies.
---
 kosmorrolib/events.py | 3 +--
 kosmorrolib/model.py  | 5 ++---
 pyproject.toml        | 1 -
 3 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/kosmorrolib/events.py b/kosmorrolib/events.py
index e1c84fb..7b4c9f8 100644
--- a/kosmorrolib/events.py
+++ b/kosmorrolib/events.py
@@ -23,10 +23,9 @@ from skyfield.timelib import Time
 from skyfield.searchlib import find_discrete, find_maxima, find_minima
 from skyfield.units import Angle
 from skyfield import almanac, eclipselib
-from numpy import pi
+from math import pi
 
 from kosmorrolib.model import (
-    Object,
     Event,
     Object,
     Star,
diff --git a/kosmorrolib/model.py b/kosmorrolib/model.py
index 6f83fe1..aadf068 100644
--- a/kosmorrolib/model.py
+++ b/kosmorrolib/model.py
@@ -19,8 +19,7 @@
 from abc import ABC, abstractmethod
 from typing import Union
 from datetime import datetime, timezone
-
-import numpy
+from math import asin
 
 from skyfield.api import Topos, Time, Angle
 from skyfield.vectorlib import VectorSum as SkfPlanet
@@ -180,7 +179,7 @@ class Object(Serializable):
             .radec()
         )
 
-        return Angle(radians=numpy.arcsin(self.radius / distance.km) * 2.0)
+        return Angle(radians=asin(self.radius / distance.km) * 2.0)
 
     def serialize(self) -> dict:
         """Serialize the given object
diff --git a/pyproject.toml b/pyproject.toml
index 4e3f6ae..0b85428 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -23,7 +23,6 @@ classifiers = [
 python = ">=3.7,<3.11"
 skyfield = "^1.21"
 skyfield-data = "^3.0"
-numpy = "^1.17"
 python-dateutil = "^2.8"
 
 [tool.poetry.dev-dependencies]