set version using setuptools_scm (#479)

* bump version

* add pyproject.toml

* update

* update

* update

* gitignore update

* try different scheme

* lower tolerance pytest

* Update setup.cfg

Author: jmduarte

.gitignore

@@ -1,4 +1,5 @@
 *.pyc
+_version.py
 __pycache__
 build/
 dist/

hls4ml/__init__.py

@@ -1,11 +1,16 @@
 from __future__ import absolute_import
 
-__version__ = '0.5.1'
-
 from hls4ml import converters
 from hls4ml import report
 from hls4ml import utils
 
+try:
+    from ._version import version as __version__
+    from ._version import version_tuple
+except ImportError:
+    __version__ = "unknown version"
+    version_tuple = (0, 0, "unknown version")
+
 def reseed(newseed):
     print('\npytest-randomly: reseed with {}'.format(newseed))
     try:

pyproject.toml

@@ -0,0 +1,10 @@
+[build-system]
+# AVOID CHANGING REQUIRES: IT WILL BE UPDATED BY PYSCAFFOLD!
+requires = ["setuptools>=46.1.0", "setuptools_scm[toml]>=5", "wheel"]
+build-backend = "setuptools.build_meta"
+
+[tool.setuptools_scm]
+# See configuration details in https://github.com/pypa/setuptools_scm
+version_scheme = "release-branch-semver"
+git_describe_command = "git describe --dirty --tags --long --match v* --first-parent"
+write_to = "hls4ml/_version.py"

setup.cfg

@@ -1,10 +1,47 @@
 [metadata]
 description-file = README.md
+name = hls4ml
+author = hls4ml Team
+license = Apache 2.0
+description = Machine learning in FPGAs using HLS
+url = https://fastmachinelearning.org/hls4ml
+long_description = file: README.md
+long_description_content_type = text/markdown
+classifiers =
+    Development Status :: 3 - Alpha
+    Intended Audience :: Developers
+    Intended Audience :: Science/Research
+    License :: OSI Approved :: Apache Software License
+    Programming Language :: C++
+    Programming Language :: Python :: 3
+    Programming Language :: Python :: 3.7
+    Programming Language :: Python :: 3.8
+    Programming Language :: Python :: 3.9
+    Topic :: Software Development :: Libraries
+    Topic :: Software Development :: Libraries :: Python Modules
 
 [options]
 python_requires = >=3.7
+packages = find:
+install_requires =
+    numpy
+    six
+    pyyaml
+    h5py
+    onnx>=1.4.0
+    calmjs.parse
+    tabulate
+    pydigitalwavetools==1.1
+    qkeras
+include_package_data = True
+scripts = scripts/hls4ml
 
 [options.entry_points]
 pytest_randomly.random_seeder =
     hls4ml = hls4ml:reseed
 
+[options.extras_require]
+profiling = 
+    pandas
+    seaborn
+    matplotlib

setup.py

@@ -1,60 +1,4 @@
-from setuptools import setup
-from setuptools import find_packages
+import setuptools
 
-import codecs
-import os.path
-
-def read(rel_path):
-    this_directory = os.path.abspath(os.path.dirname(__file__))
-    with codecs.open(os.path.join(this_directory, rel_path), 'r') as fp:
-        return fp.read()
-
-def get_version(rel_path):
-    for line in read(rel_path).splitlines():
-        if line.startswith('__version__'):
-            delim = '"' if '"' in line else "'"
-            return line.split(delim)[1]
-    else:
-        raise RuntimeError("Unable to find version string.")
-
-setup(name='hls4ml',
-      version=get_version("hls4ml/__init__.py"),
-      description='Machine learning in FPGAs using HLS',
-      long_description=read('README.md'),
-      long_description_content_type='text/markdown',
-      author='HLS4ML Team',
-      author_email='[email protected]',
-      url='https://github.com/hls-fpga-machine-learning/hls4ml',
-      license='Apache 2.0',
-      install_requires=[
-          'numpy',
-          'six',
-          'pyyaml',
-          'h5py',
-          'onnx>=1.4.0',
-          'calmjs.parse',
-          'tabulate',
-          'pydigitalwavetools==1.1',
-          'qkeras',
-      ],
-      extras_require={
-        'profiling': [
-            'pandas',
-            'seaborn',
-            'matplotlib'
-        ]
-      },
-      scripts=['scripts/hls4ml'],
-      include_package_data=True,
-      classifiers=[
-          'Development Status :: 3 - Alpha',
-          'Intended Audience :: Developers',
-          'Intended Audience :: Science/Research',
-          'License :: OSI Approved :: Apache Software License',
-          'Programming Language :: C++',
-          'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.6',
-          'Topic :: Software Development :: Libraries',
-          'Topic :: Software Development :: Libraries :: Python Modules'
-      ],
-      packages=find_packages())
+if __name__ == "__main__":
+    setuptools.setup()

test/pytest/test_qkeras.py

@@ -305,7 +305,7 @@ def test_qactivation_kwarg(randX_100_10,
         np.testing.assert_allclose(
             y_qkeras.ravel(),
             y_hls4ml.ravel(),
-            atol=2**-eval(activation_quantizer).bits,
+            atol=2**-(eval(activation_quantizer).bits-1),
             rtol=1.0
         )
     else: