Added comments on everything relevant; refactored setup_to_meta.py; modified...

Added comments on everything relevant; refactored setup_to_meta.py; modified how parse_setup is called from setup_to_meta

buildout.cfg

+# Main section
+# Accessible from the command line using 'buildout key=value'
+# e.g. buildout parts=build_packages will specify build_packages
+# as a part that should be installed
 [buildout]
-develop = src/setup_to_meta
-parts = gen_metadata
+develop = src/setup_to_meta src/build_packages
 
-[gen_metadata]
-recipe = setup_to_meta
-path = apps/cli/executables/alma_product_fetch
-
-# [conda]
-# recipe = condarecipe
-# path = /opt/miniconda3/condabin/conda
-# env = data
+# Section for building internal tools using conda
+# Depends on gen_metadata
+# Depends on `name` in [buildout] to specify which package to install
+# Specify name via command line using
+# `buildout parts=build_packages name={name}`
+[build_packages]
+=> gen_metadata
+recipe = build_packages
+name = ${buildout:name}
 
-# [alma-product-fetch]
-# recipe = bdistrecipe
-# path = apps/cli/executables/alma_product_fetch
-
-# [datafetcher]
-# recipe = bdistrecipe
-# path = apps/cli/executables/datafetcher
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+# Section for generating meta.yaml files
+[gen_metadata]
+recipe = setup_to_meta
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support/conda/datafetcher/meta.yaml

-{% set name = "datafetcher" %}
-{% set version = "4.0.0a1.dev1" %}
-
-package:
-  name: "{{ name|lower }}"
-  version: "{{ version }}"
-
-build:
-  entry_points:
-    - datafetcher = datafetcher.commands:main
-  script: {{ PYTHON }} setup.py install
-
-source:
-  path: ../../../apps/cli/executables/datafetcher
-
-requirements:
-  build:
-    - python==3.8
-    - pika>=1.1,<2
-    - pycapo>=0.3.0,<1.0
-    - beautifulsoup4>=4.9.1,<5.0
-    - lxml>=4.3.2,<5.0
-    - psycopg2>=2.8.5,<3.0
-    - pyopenssl>=19.1.0,<20.0
-    - requests>=2.23,<3.0
-  run:
-    - python==3.8
-    - pika>=1.1,<2
-    - pycapo>=0.3.0,<1.0
-    - beautifulsoup4>=4.9.1,<5.0
-    - lxml>=4.3.2,<5.0
-    - psycopg2>=2.8.5,<3.0
-    - pyopenssl>=19.1.0,<20.0
-    - requests>=2.23,<3.0
-
-test:
-  source_files:
-    - test/
-  requires:
-    - pytest>=5.4,<6.0
-  commands:
-    - pytest -vv --log-level=DEBUG --showlocals test/datafetcher_test.py
-
-about:
-  license: "GPL"
-  license_family: "GPL"
-  summary: "NRAO Archive Data Fetcher Script"
\ No newline at end of file

support/conda/events/meta.yaml

-{% set name = "events" %}
-{% set version = "4.0.0a1.dev1" %}
-
-package:
-  name: "{{ name|lower }}"
-  version: "{{ version }}"
-
-source:
-  path: shared/messaging/events
-
-build:
-  number: 0
-  script:
-    - python setup.py install
-
-requirements:
-  run:
-    - python=3.8
-    - pika
-    - pycapo
-
-about:
-  license: "GPL"
-  license_family: "GPL"
-  summary: "NRAO Archive Data Fetcher Script"

tools/parse_setup.py

+import setuptools
+
+def get_data(field, data):
+    """
+    Get data from field if it exists.
+    :return: None if not found. Datum of field if found.
+    """
+    datum = None
+    try:
+        datum = data[field]
+    except KeyError as e:
+        pass
+    return datum
+
+data = {}
+def my_setup(*args, **kwargs):
+    """
+    A replacement for setuptools.setup().
+    """
+    fields = [
+        'name',
+        'version',
+        'description',
+        'license',
+        'install_requires',
+        'tests_require',
+        'entry_points'
+    ]
+
+    for field in fields:
+        data[field] = get_data(field, kwargs)
+
+def main():
+    # Author of these shenanigans: Daniel Lyons (but you already knew that)
+    # Monkey-patch over the setuptools setup() function to do our function instead
+    setuptools.setup = my_setup
+    # Load the setup.py file
+    import setup
+    # Instead of exiting, we now have populated our global variable, without doing any parsing
+    for field, datum in data.items():
+        print('{}: {}'.format(field, datum))
+
+if __name__ == "__main__":
+    main()
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