dist: modernize distribution for twine upload

The `make upload` operation doesn't work anymore, so we need to use
twine instead. This calls for a few modernizations to the distribution
configuration and procedure.

.gitignore

@@ -1,3 +1,4 @@
+/build/
 .cache
 .coverage
 /.tox/

Makefile

@@ -3,7 +3,7 @@ MAKE   = make
 PYTHON = python
 SETUP  = $(PYTHON) ./setup.py
 
-.PHONY: accept clean cleandocs coverage docs readme sdist upload
+.PHONY: accept build clean cleandocs coverage docs opendocs
 
 help:
 	@echo "Please use \`make <target>' where <target> is one or more of"
@@ -20,6 +20,9 @@ help:
 accept:
 	$(BEHAVE) --stop
 
+build:
+	$(SETUP) bdist_wheel sdist
+
 clean:
 	find . -type f -name \*.pyc -exec rm {} \;
 	find . -type f -name .DS_Store -exec rm {} \;
@@ -36,9 +39,3 @@ docs:
 
 opendocs:
 	open docs/.build/html/index.html
-
-sdist:
-	$(SETUP) sdist
-
-upload:
-	$(SETUP) sdist upload

setup.py

@@ -71,6 +71,7 @@ def ascii_bytes_from(path, *paths):
     "description": DESCRIPTION,
     "keywords": KEYWORDS,
     "long_description": LONG_DESCRIPTION,
+    "long_description_content_type": "text/x-rst",
     "author": AUTHOR,
     "author_email": AUTHOR_EMAIL,
     "url": URL,

tests/test_api.py

@@ -10,6 +10,7 @@
 
 import pytest
 
+import pptx
 from pptx.api import Presentation
 from pptx.opc.constants import CONTENT_TYPE as CT
 from pptx.parts.presentation import PresentationPart
@@ -29,9 +30,7 @@ def it_opens_default_template_on_no_path_provided(self, call_fixture):
     @pytest.fixture
     def call_fixture(self, Package_, prs_, prs_part_):
         path = os.path.abspath(
-            os.path.join(
-                os.path.split(__file__)[0], "../pptx/templates", "default.pptx"
-            )
+            os.path.join(os.path.split(pptx.__file__)[0], "templates", "default.pptx")
         )
         Package_.open.return_value.main_document_part = prs_part_
         prs_part_.content_type = CT.PML_PRESENTATION_MAIN

tests/test_package.py

@@ -2,8 +2,11 @@
 
 """Unit-test suite for `pptx.package` module."""
 
+import os
+
 import pytest
 
+import pptx
 from pptx.media import Video
 from pptx.opc.constants import RELATIONSHIP_TYPE as RT
 from pptx.opc.package import Part, _Relationship
@@ -21,7 +24,10 @@ class DescribePackage(object):
     """Unit-test suite for `pptx.package.Package` objects."""
 
     def it_provides_access_to_its_core_properties_part(self):
-        pkg = Package.open("pptx/templates/default.pptx")
+        default_pptx = os.path.abspath(
+            os.path.join(os.path.split(pptx.__file__)[0], "templates", "default.pptx")
+        )
+        pkg = Package.open(default_pptx)
         assert isinstance(pkg.core_properties, CorePropertiesPart)
 
     def it_can_get_or_add_an_image_part(self, image_part_fixture):