Prep BCF for pypi upload.

* Refactored the BCF dir into a "src-layout" which I am more comfortable with. We can likely change this back if it is not compatible with other development

* I added a few setup files for the bcf package (setup.cfg, pyproject.toml and a MANIFEST.in file)

* Added two __init__.py files in the v2 and v3 subfolders for them to be picked up during package compilation

.github/workflows/ci.yml

@@ -68,10 +68,11 @@ jobs:
           sudo make -j $(nproc)
           sudo make install
 
-      - name: install xmlschema
+      - name: install dependencies
         run: |
           sudo /usr/bin/python -m pip install -U pip
           sudo /usr/bin/python -m pip install xmlschema numpy
+          sudo /usr/bin/python -m pip install src/bcf
 
       - name: Test
         run: |

src/bcf/MANIFEST.in

@@ -0,0 +1,2 @@
+include src/bcf/v2/xsd/*.xsd
+include src/bcf/v3/xsd/*.xsd

src/bcf/pyproject.toml

@@ -0,0 +1,12 @@
+[build-system]
+requires = [
+    "setuptools>=42",
+    "wheel"
+]
+build-backend = "setuptools.build_meta"
+
+[tool.black]
+line-length = 120
+
+[tool.isort]
+profile = "black"

src/bcf/setup.cfg

@@ -0,0 +1,37 @@
+[metadata]
+name=bcf-client
+version=0.0.1
+author = Ifcopenshell
+description = A simple Python implementation of BCF
+url = https://github.com/IfcOpenShell/IfcOpenShell
+project_urls =
+    Code=https://github.com/IfcOpenShell/IfcOpenShell
+    Issues=https://github.com/IfcOpenShell/IfcOpenShell/issues
+long_description = file: README.md
+long_description_content_type = text/markdown
+classifiers =
+    License :: OSI Approved :: GNU General Public License v3 (GPLv3)
+    Operating System :: OS Independent
+    Programming Language :: Python :: 3
+    Topic :: Scientific/Engineering
+    Topic :: Utilities
+keywords =
+    Python
+    file formats
+    engineering
+
+[options]
+package_dir =
+    = src
+packages = find:
+python_requires = >=3
+install_requires=
+    xmlschema
+include_package_data = True
+
+[options.packages.find]
+where = src
+
+[flake8]
+max-line-length = 120
+ignore = E24, E121, E123, E126, E203, E226, E704, E741, W503, W504