Python script to generate a catalog json

tools/gen-catalog-json.py

+import json
+from typing import NamedTuple, Tuple, List, Sequence, Union, Optional, Mapping
+import sys
+
+
+class Git(NamedTuple):
+    url: str
+    ref: str
+    auto_lib: Optional[str] = None
+
+    def to_dict(self) -> dict:
+        return {
+            'url': self.url,
+            'ref': self.ref,
+            'auto-lib': self.auto_lib,
+        }
+
+
+RemoteInfo = Union[Git]
+
+
+class Version(NamedTuple):
+    version: str
+    remote: RemoteInfo
+    depends: Mapping[str, str] = {}
+
+    def to_dict(self) -> dict:
+        ret = {}
+        ret['depends'] = {}
+        if isinstance(self.remote, Git):
+            ret['git'] = self.remote.to_dict()
+        return ret
+
+
+class Package(NamedTuple):
+    name: str
+    versions: List[Version]
+
+
+def many_versions(name: str,
+                  versions: Sequence[str],
+                  *,
+                  tag_fmt: str = '{}',
+                  git_url: str,
+                  auto_lib: str = None) -> Package:
+    return Package(name, [
+        Version(
+            ver,
+            remote=Git(
+                url=git_url, ref=tag_fmt.format(ver), auto_lib=auto_lib))
+        for ver in versions
+    ])
+
+
+packages = [
+    many_versions(
+        'range-v3',
+        (
+            '0.5.0',
+            '0.9.0',
+            '0.9.1',
+            '0.10.0',
+        ),
+        git_url='https://github.com/ericniebler/range-v3.git',
+        auto_lib='Niebler/range-v3',
+    ),
+    many_versions(
+        'nlohmann-json',
+        (
+            '3.0.0',
+            '3.0.1',
+            '3.1.0',
+            '3.1.1',
+            '3.1.2',
+            '3.2.0',
+            '3.3.0',
+            '3.4.0',
+            '3.5.0',
+            '3.6.0',
+            '3.6.1',
+            '3.7.0',
+            '3.7.1',
+            '3.7.2',
+            '3.7.3',
+        ),
+        git_url='https://github.com/vector-of-bool/json.git',
+        tag_fmt='dds/{}',
+    ),
+    Package('ms-wil', [
+        Version(
+            '2019.11.10',
+            remote=Git('https://github.com/vector-of-bool/wil.git',
+                       'dds/2019.11.10'))
+    ]),
+    many_versions(
+        'neo-sqlite3',
+        (
+            '0.1.0',
+            '0.2.0',
+            '0.2.1',
+        ),
+        git_url='https://github.com/vector-of-bool/neo-sqlite3.git',
+    ),
+    Package('neo-fun', [
+        Version(
+            '0.1.0',
+            remote=Git('https://github.com/vector-of-bool/neo-fun.git',
+                       '0.1.0'))
+    ]),
+    Package('semver', [
+        Version(
+            '0.2.1',
+            remote=Git('https://github.com/vector-of-bool/semver.git',
+                       '0.2.1'))
+    ]),
+    many_versions(
+        'pubgrub',
+        (
+            '0.1.2',
+            '0.2.0',
+        ),
+        git_url='https://github.com/vector-of-bool/pubgrub.git',
+    ),
+    many_versions(
+        'spdlog',
+        (
+            '0.9.0',
+            '0.10.0',
+            '0.11.0',
+            '0.12.0',
+            '0.13.0',
+            '0.14.0',
+            '0.16.0',
+            '0.16.1',
+            '0.16.2',
+            '0.17.0',
+            '1.0.0',
+            '1.1.0',
+            '1.2.0',
+            '1.2.1',
+            '1.3.0',
+            '1.3.1',
+            '1.4.0',
+            '1.4.1',
+            '1.4.1',
+        ),
+        git_url='https://github.com/gabime/spdlog.git',
+        tag_fmt='v{}',
+        auto_lib='spdlog/spdlog',
+    ),
+    many_versions(
+        'fmt',
+        (
+            '0.8.0',
+            '0.9.0',
+            '0.10.0',
+            '0.12.0',
+            '1.0.0',
+            '1.1.0',
+            '2.0.0',
+            '2.0.1',
+            '2.1.0',
+            '2.1.1',
+            '3.0.0',
+            '3.0.1',
+            '3.0.2',
+            '4.0.0',
+            '4.1.0',
+            '5.0.0',
+            '5.1.0',
+            '5.2.0',
+            '5.2.1',
+            '5.3.0',
+            '6.0.0',
+            '6.1.0',
+            '6.1.1',
+            '6.1.2',
+        ),
+        git_url='https://github.com/fmtlib/fmt.git',
+        auto_lib='fmt/fmt',
+    ),
+]
+
+data = {
+    'version': 1,
+    'packages': {
+        pkg.name: {ver.version: ver.to_dict()
+                   for ver in pkg.versions}
+        for pkg in packages
+    }
+}
+
+print(json.dumps(data, indent=2, sort_keys=True))