Dynamic versioning for postrelease versions

CHANGELOG.md

@@ -16,7 +16,7 @@ Items without prefix refer to a global change.
 ## [Unreleased](https://github.com/NNPDF/eko/compare/v0.15.1...HEAD)
 
 ### Changed
-- data: Changed version naming for unreleased eko versions from `0.0.0` to `0.0.0-sha` ([#448](https://github.com/NNPDF/eko/pull/448))
+- data: Change version naming for unreleased eko versions from `0.0.0` to `0.0.0-post.{distance}+{commit hash}` ([#448](https://github.com/NNPDF/eko/pull/448)) ([#465](https://github.com/NNPDF/eko/pull/465))
 
 ### Fixed
 - py: Remove usage of `ev_op_iterations` from truncated evolution as this is an inconsistent choice ([#459](https://github.com/NNPDF/eko/pull/459))

MAINTAINERS.md

@@ -17,7 +17,7 @@ We need to ensure backward compatibility and thus we need to make some changes.
 5. Also implement these changes in the old `vX.py` scripts (at the moment these are `v1.py` and `v2.py`).
 
 > **Note**: We call the unreleased eko version `v0.0`. EKO's created with unpublished versions (`0.0.0` versions) are not part of this backward compatibility system.
-> They have version `0.0.0-{commit}`, and they cannot necessarily be read by newer eko versions.
+> They have version `0.0.0-{commit}` or `0.0.0`, and they cannot necessarily be read by newer eko versions.
 
 ### Instructions on how to update the test assets:
 

pyproject.toml

@@ -24,6 +24,7 @@ classifiers = [
 ]
 repository = "https://github.com/NNPDF/eko"
 include = [
+  "src/eko/version.py",
   "doc/source/img/Logo.png",
   "src/ekobox/genpdf/templatePDF.info",
   "src/ekobox/genpdf/Toy.info",
@@ -92,7 +93,7 @@ enable = true
 vcs = "git"
 style = "semver"
 dirty = true
-format_jinja = "{% if distance == 0 %}{{ base }}{% else %} 0.0.0.{{ commit }}{% endif %}"
+format-jinja = "{% if distance == 0 %}{{ base }}{% else %}0.0.0-post.{{ distance }}+{{ commit }}{% endif %}"
 
 [tool.poetry-dynamic-versioning.substitution]
 files = ["src/eko/version.py"]

src/eko/io/metadata.py

@@ -73,23 +73,17 @@ def load(cls, path: os.PathLike):
             elif version.major == 0 and version.minor == 14:
                 raw = v2.update_metadata(paths, raw)
             elif (
-                version.major == 0
-                and version.minor == 0
-                and version.micro == 0
-                and version.is_postrelease
+                 version.base_version == str(version) == '0.0.0'
             ):
                 raise NotImplementedError(
                     "Unsupported version; use an eko from a published eko version!"
                 )
         else:
             if (
-                version.major == 0
-                and version.minor == 0
-                and version.micro == 0
-                and version.is_postrelease
+                 version.base_version == str(version) == '0.0.0'
             ):
                 raise NotImplementedError(
-                    "Unsupported version; use an eko from a published eko version!"
+                     "Unsupported version; use an eko from a published eko version!"
                 )
 
         # now we are ready

tests/eko/io/test_struct.py

@@ -5,6 +5,7 @@
 import numpy as np
 import pytest
 import yaml
+from packaging.version import parse
 
 from eko import EKO, interpolation
 from eko.io import struct
@@ -195,3 +196,22 @@ def test_load_opened(self, tmp_path: pathlib.Path, eko_factory: EKOFactory):
         read_opened = EKO.read(tmp_path, extract=False)
 
         assert read_closed.metadata == read_opened.metadata
+
+    def test_version(self, tmp_path: pathlib.Path, eko_factory: EKOFactory):
+        """Test asserted version. Should either be supported version, or have a postrelease addition"""
+        eko = eko_factory.get()
+        eko.close()
+        eko_factory.cache = None
+        assert eko.access.path is not None
+        read_closed = EKO.read(eko.access.path, dest=tmp_path)
+
+        version = parse(read_closed.metadata.version)
+        assert (
+            version.major + version.minor + version.micro > 0
+            and not version.is_postrelease
+        ) or (
+            version.major == 0
+            and version.minor == 0
+            and version.micro == 0
+            and version.is_postrelease
+        )