MAINT: Auto-detect version from version.py in setup.py (#606)

* MAINT: Auto-detect version from `version.py`

* MAINT: define __version__ in __init__

* MAINT: Delete version.py

* CI: Activate conda env

.github/workflows/conda_ci.yml

@@ -38,7 +38,9 @@ jobs:
         conda list
 
     - name: Setup QuantEcon
+      shell: bash -l {0}
       run: |
+        conda activate test
         python setup.py build
 
     - name: Run Tests

quantecon/__init__.py

@@ -10,6 +10,8 @@
 		"Cannot import numba from current anaconda distribution. \
 			Please run `conda install numba` to install the latest version.")
 
+__version__ = '0.5.2'
+
 #-Modules-#
 from . import distributions
 from . import game_theory
@@ -47,6 +49,3 @@
 from .rank_nullspace import rank_est, nullspace
 from .robustlq import RBLQ
 from .util import searchsorted, fetch_nb_dependencies, tic, tac, toc
-
-#-Add Version Attribute-#
-from .version import version as __version__

setup.py

@@ -1,28 +1,8 @@
 # Use setuptools in preference to distutils
 from setuptools import setup, find_packages
 import os
+from quantecon import __version__ as VERSION
 
-#-Write Versions File-#
-
-VERSION = '0.5.2'
-
-def write_version_py(filename=None):
-    """
-    This constructs a version file for the project
-    """
-    doc = "\"\"\"\nThis is a VERSION file and should NOT be manually altered\n\"\"\""
-    doc += "\nversion = '%s'\n" % VERSION
-
-    if not filename:
-        filename = os.path.join(os.path.dirname(__file__), 'quantecon', 'version.py')
-
-    fl = open(filename, 'w')
-    try:
-        fl.write(doc)
-    finally:
-        fl.close()
-
-write_version_py()  # This is a file used to control the qe.__version__ attribute
 
 #-Meta Information-#
 #~~~~~~~~~~~~~~~~~~#