initial version of R2020b; version number is 9.9.1a0

Author: alanfmw

README.md

@@ -6,11 +6,11 @@ The MATLAB® Engine API for Python® provides a package to integrate MATLA
 ## Requirements
 ### Required MathWorks Products
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
-* MATLAB release R2021a
+* MATLAB release R2020b
 
 ### Required 3rd Party Products
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
-* Python 3.7 or 3.8
+* Python 3.6, 3.7, or 3.8
     * Supported Python versions by MATLAB release can be found [here](https://www.mathworks.com/content/dam/mathworks/mathworks-dot-com/support/sysreq/files/python-compatibility.pdf).
 
 ---
@@ -21,15 +21,15 @@ The MATLAB&reg; Engine API for Python&reg; provides a package to integrate MATLA
 MATLAB Engine API for Python can be installed directly from the Python Package Index.
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
 ```bash
-$ python -m pip install matlabengine==9.10.1a1
+$ python -m pip install matlabengine==9.9.1a0
 ```
 
 
 
 ### Linux&reg; 
 Prior to installation, check the default install location of MATLAB by calling ```matlabroot``` in a MATLAB Command Window. By default, Linux installs MATLAB at:<br>
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
-```/usr/local/MATLAB/R2021a```
+```/usr/local/MATLAB/R2020b```
 
 When MATLAB is not installed in the default location, the bin/*architecture* directory within the MATLAB root directory must be added to an environment variable. The path can be added to the environment variable within the shell startup configuration file (for example, .bashrc for bash shell or .tcshrc for tcsh).
 
@@ -46,14 +46,14 @@ setenv LD_LIBRARY_PATH ${LD_LIBRARY_PATH}:matlabroot/bin/glnxa64
 MATLAB Engine API for Python can be installed directly from the Python Package Index.
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
 ```bash
-$ python -m pip install matlabengine==9.10.1a1
+$ python -m pip install matlabengine==9.9.1a0
 ```
 
 ### macOS
 Prior to installation, check the default install location of MATLAB by calling ```matlabroot``` in a MATLAB Command Window. By default, macOS installs MATLAB at:<br>
 
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
-```/Applications/MATLAB_R2021a.app```
+```/Applications/MATLAB_R2020b.app```
 
 When MATLAB is not installed in the default location, the bin/*architecture* directory within the MATLAB root directory must be added to an environment variable. The path can be added to the environment variable within the shell startup configuration file (for example, .bashrc for bash shell or .tcshrc for tcsh).
 
@@ -70,7 +70,7 @@ setenv DYLD_LIBRARY_PATH ${DYLD_LIBRARY_PATH}:matlabroot/bin/maci64
 MATLAB Engine API for Python can be installed directly from the Python Package Index.
 <!-- MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string) -->
 ```bash
-$ python -m pip install matlabengine==9.10.1a1
+$ python -m pip install matlabengine==9.9.1a0
 ```
 
 ---

setup.py

@@ -21,13 +21,13 @@ class _MatlabFinder(build_py):
     }
 
     # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
-    MATLAB_REL = 'R2021a'
+    MATLAB_REL = 'R2020b'
 
     # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
-    MATLAB_VER = '9.10.1a1'
+    MATLAB_VER = '9.9.1a0'
 
     # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
-    SUPPORTED_PYTHON_VERSIONS = set(['3.7', '3.8'])
+    SUPPORTED_PYTHON_VERSIONS = set(['3.6', '3.7', '3.8'])
 
     # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
     VER_TO_REL = {
@@ -303,7 +303,7 @@ def run(self):
     setup(
         name="matlabengine",
         # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
-        version="9.10.1a1",
+        version="9.9.1a0",
         description='A module to call MATLAB from Python',
         author='MathWorks',
         license="MathWorks XSLA License",
@@ -328,9 +328,10 @@ def run(self):
             "Natural Language :: English",
             "Intended Audience :: Developers",
             # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
+            "Programming Language :: Python :: 3.6",
             "Programming Language :: Python :: 3.7",
             "Programming Language :: Python :: 3.8"
         ],
         # MUST_BE_UPDATED_EACH_RELEASE (Search repo for this string)
-        python_requires=">=3.7, <3.9"
+        python_requires=">=3.6, <3.9"
     )

src/matlab/engine/__init__.py

@@ -28,7 +28,7 @@
 
 # UPDATE_IF_PYTHON_VERSION_ADDED_OR_REMOVED : search for this string in codebase 
 # when support for a Python version must be added or removed
-_supported_versions = ['2_7', '3_7', '3_8']
+_supported_versions = ['3_6', '3_7', '3_8']
 _ver = sys.version_info
 _version = '{0}_{1}'.format(_ver[0], _ver[1])
 _PYTHONVERSION = None
@@ -39,24 +39,23 @@
     raise EnvironmentError("Python %s is not supported." % _version)
 
 _module_folder = os.path.dirname(os.path.realpath(__file__))
-_arch_filename = os.path.join(_module_folder, "_arch.txt")
+_arch_filename = _module_folder+os.sep+"_arch.txt"
 
 try:
     pythonengine = importlib.import_module("matlabengineforpython"+_PYTHONVERSION)
 except:
     try:
         _arch_file = open(_arch_filename,'r')
         _lines = _arch_file.readlines()
-        [_arch, _bin_dir,_engine_dir, _extern_bin_dir] = [x.rstrip() for x in _lines if x.rstrip() != ""]
+        [_arch, _bin_dir,_engine_dir] = [x.rstrip() for x in _lines if x.rstrip() != ""]
         _arch_file.close()
         sys.path.insert(0,_engine_dir)
-        sys.path.insert(0,_extern_bin_dir)
 
         _envs = {'win32': 'PATH', 'win64': 'PATH'}
         if _arch in _envs:
             if _envs[_arch] in os.environ:
                 _env = os.environ[_envs[_arch]]
-                os.environ[_envs[_arch]] = _bin_dir + os.pathsep + os.environ[_envs[_arch]]
+                os.environ[_envs[_arch]] = _bin_dir+os.pathsep+os.environ[_envs[_arch]]
             else:
                 os.environ[_envs[_arch]] = _bin_dir
             if sys.version_info.major >= 3 and sys.version_info.minor >= 8: