Merge pull request #247 from AgriculturalModelExchangeInitiative/pypackaging

Generate pyproject.toml rather than setup.py for Python Packages

Author: pradal

src/pycropml/cyml.py

@@ -155,7 +155,7 @@ def transpile_package(package, language):
 
     # create computing algorithm
     if language == "py":
-        simulation = PythonSimulation(T.model)
+        simulation = PythonSimulation(T.model, package_name=namep)
         simulation.generate()
         code = ''.join(simulation.result)
         filename = Path(os.path.join(tg_rep, "simulation.py"))
@@ -164,10 +164,13 @@ def transpile_package(package, language):
             tg_file.write(code.encode("utf-8"))
         with open(initfile, "wb") as tg_file:
             tg_file.write("".encode("utf-8"))
-        setup = PythonSimulation(T.model)
-        setup.generate_setup()
+
+        setup = PythonSimulation(T.model, package_name=namep)
+        #setup.generate_setup()
+        setup.generate_pyproject()
         code = ''.join(setup.result)
-        setupfile = Path(os.path.join(tg_rep1, "setup.py"))
+        #setupfile = Path(os.path.join(tg_rep1, "setup.py"))
+        setupfile = Path(os.path.join(tg_rep1, "pyproject.toml"))
         with open(setupfile, "wb") as tg_file:
             tg_file.write(code.encode("utf-8"))
 

src/pycropml/transpiler/generators/pythonGenerator.py

@@ -509,13 +509,14 @@ class PythonSimulation(CodeGenerator):
         PythonCompo ([type]): [description]
     """
 
-    def __init__(self, modelcomposite):
+    def __init__(self, modelcomposite, package_name=''):
         """[summary]
 
         Args:
             modelcomposite (ModelComposite): [description]
         """
         self.modelcomposite = modelcomposite
+        self.package_name = package_name if package_name else self.modelcomposite.name
         self.params = []
         self.variables = []
         self.stateInit = []
@@ -629,7 +630,7 @@ def generate(self):
     def generate_setup(self):
         self.write("import setuptools")
         self.newline(1)
-        self.write("setuptools.setup(name='%s',"%self.modelcomposite.name)
+        self.write("setuptools.setup(name='%s',"%self.package_name)
         self.newline(1)
         self.write("version='0.1',")
         self.newline(1)
@@ -648,6 +649,30 @@ def generate_setup(self):
         self.write("zip_safe=False)")
         self.newline(1)
 
+    def generate_pyproject(self):
+        # use setuptools
+        self.write('[build-system]')
+        self.newline(1)
+        self.write('requires = ["setuptools>=61", "setuptools_scm[toml]>=7"]')
+        self.newline(1)
+        self.write('build-backend = "setuptools.build_meta"')
+        self.newline(1)
+
+        # project metainformation
+        self.write('[project]')
+        self.newline(1)
+        self.write(f'name = "{self.package_name}"')
+        self.newline(1)
+        self.write('authors = [{name = "%s"}]'%(self.modelcomposite.description.Authors))
+        self.newline(1)
+        self.write(f'description="{self.modelcomposite.description.Abstract}"')
+        self.newline(1)
+        self.write('version="0.1"')
+        self.newline(1)
+
+        # project dependencies
+        self.write('dependencies = ["pandas","numpy"]')
+        self.newline(1)
 
 
 def newtype_func(type_):