py-pyparsing: add 3.0.6 (#27693)

* py-pyparsing: add 3.0.6

* Add suggestions

var/spack/repos/builtin/packages/py-pyparsing/package.py

@@ -11,6 +11,7 @@ class PyPyparsing(PythonPackage):
     homepage = "https://pyparsing-docs.readthedocs.io/en/latest/"
     pypi = "pyparsing/pyparsing-2.4.2.tar.gz"
 
+    version('3.0.6',  sha256='d9bdec0013ef1eb5a84ab39a3b3868911598afa494f5faa038647101504e2b81')
     version('2.4.7',  sha256='c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1')
     version('2.4.2',  sha256='6f98a7b9397e206d78cc01df10131398f1c8b8510a2f4d97d9abd82e1aacdd80')
     version('2.4.0',  sha256='1873c03321fc118f4e9746baf201ff990ceb915f433f23b395f5580d1840cb2a')
@@ -19,11 +20,8 @@ class PyPyparsing(PythonPackage):
     version('2.1.10', sha256='811c3e7b0031021137fc83e051795025fcb98674d07eb8fe922ba4de53d39188')
     version('2.0.3',  sha256='06e729e1cbf5274703b1f47b6135ed8335999d547f9d8cf048b210fb8ebf844f')
 
-    patch('setuptools-import.patch', when='@:2.1.10')
-
+    depends_on('python@3.6:', when='@3:', type=('build', 'run'))
     depends_on('python@2.6:2.8,3.3:', type=('build', 'run'))
-    # Newer versions of setuptools require pyparsing. Although setuptools is an
-    # optional dependency of pyparsing, if it is not found, setup.py will
-    # fallback on distutils.core instead. Don't add a setuptools dependency
-    # or we won't be able to bootstrap setuptools.
-    depends_on('py-setuptools', type='build', when='@2.3.1:')
+    depends_on('py-setuptools', when='@2.1:', type='build')
+
+    import_modules = ['pyparsing']

var/spack/repos/builtin/packages/py-pyparsing/setuptools-import.patch

@@ -1,20 +0,0 @@
-diff --git a/setup.py b/setup.py
-index 82061c6..ff342af 100644
---- a/setup.py
-+++ b/setup.py
-@@ -1,7 +1,13 @@
- #!/usr/bin/env python
- 
- """Setup script for the pyparsing module distribution."""
--from setuptools import setup
-+
-+# Setuptools depends on pyparsing (via packaging) as of version 34, so allow
-+# installing without it to avoid bootstrap problems.
-+try:
-+    from setuptools import setup
-+except ImportError:
-+    from distutils.core import setup
- 
- import sys
- import os
-