Administrivia & make ujson optional

* It's not clear that pyston-2.2 support ujson so make it optional
* In github workflows use requirements-dev.txt
* revise requirement-dev to remove click (in setup.py) and add ujson
* setup.py make ujson optional
* version.py: bump to dev

Author: rocky

.github/workflows/osx.yaml

@@ -27,6 +27,6 @@ jobs:
         make
     - name: Test Mathics Scanner
       run: |
-        pip install pytest
+        pip install -r requirement-dev.txt
         python -m mathics_scanner.generate.build_tables
         make check

.github/workflows/ubuntu.yaml

@@ -26,6 +26,6 @@ jobs:
         make
     - name: Test Mathics Scanner
       run: |
-        pip install pytest
+        pip install -r requirement-dev.txt
         python -m mathics_scanner.generate.build_tables
         make check

.github/workflows/windows.yml

@@ -27,7 +27,6 @@ jobs:
         python setup.py install
     - name: Test Mathics
       run: |
-        pip install pytest
         pip install -r requirements-dev.txt
         python mathics_scanner/generate/build_tables.py
         py.test test

mathics_scanner/characters.py

@@ -7,10 +7,14 @@
 """
 
 import re
-import ujson
 import os
 import pkg_resources
 
+try:
+    import ujson
+except ImportError:
+    import json as ujson
+
 ROOT_DIR = pkg_resources.resource_filename("mathics_scanner", "")
 
 # Load the conversion tables from disk

mathics_scanner/version.py

@@ -4,4 +4,4 @@
 # This file is suitable for sourcing inside POSIX shell as
 # well as importing into Python. That's why there is no
 # space around "=" below.
-__version__="1.2.0"  # noqa
+__version__="1.2.1.dev0"  # noqa

requirements-dev.txt

@@ -1,3 +1,3 @@
-PyYAML
-click
 pytest
+# ujson is optional
+ujson

setup.py

@@ -62,7 +62,7 @@ def read(*rnames):
 # General Requirements
 INSTALL_REQUIRES = [
     "chardet",  # Used in mathics_scanner.feed
-    "ujson",  # Used in mathics_scanner.characters
+    # "ujson",  # Used in mathics_scanner.characters
     "click",  # Usin in CLI: mathics-generate-json-table
 ]