From 55157175946facd8bc17301889448537d90623af Mon Sep 17 00:00:00 2001
From: Lauren Capelluto <laurencapelluto@gmail.com>
Date: Tue, 12 Jan 2021 16:37:19 -0500
Subject: [PATCH] Update setup.py: REQUIREMENTS (#5613)

* Update setup.py to utilize requirements.txt for installation-required dependencies. This reduces the chance of hard-to-debug errors if requirements and setup don't match

* Add requirements to MANIFEST

Co-authored-by: Matthew Treinish <mtreinish@kortar.org>
---
 MANIFEST.in |  1 +
 setup.py    | 16 ++--------------
 2 files changed, 3 insertions(+), 14 deletions(-)

diff --git a/MANIFEST.in b/MANIFEST.in
index 47fe2fa283..6621b82829 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,5 @@
 include LICENSE.txt
+include requirements.txt
 include qiskit/qasm/libs/*.inc
 include qiskit/schemas/*.json
 include qiskit/VERSION.txt
diff --git a/setup.py b/setup.py
index c770d889c6..aed80959f4 100755
--- a/setup.py
+++ b/setup.py
@@ -22,20 +22,8 @@ except ImportError:
     subprocess.call([sys.executable, '-m', 'pip', 'install', 'Cython>=0.27.1'])
     from Cython.Build import cythonize
 
-REQUIREMENTS = [
-    "contextvars>=2.4;python_version<'3.7'",
-    "jsonschema>=2.6",
-    "retworkx>=0.7.0",
-    "numpy>=1.17",
-    "ply>=3.10",
-    "psutil>=5",
-    "scipy>=1.4",
-    "sympy>=1.3",
-    "dill>=0.3",
-    "fastjsonschema>=2.10",
-    "python-constraint>=1.4",
-    "python-dateutil>=2.8.0",
-]
+with open('requirements.txt') as f:
+    REQUIREMENTS = f.read().splitlines()
 
 # Add Cython extensions here
 CYTHON_EXTS = ['utils', 'swap_trial']