kernelci/api: helper for version fields translation

Implement `KernelVersion.translate_version_fields` method to
translate version string fields to integers.
Use it to write a helper function to enable its use
in the pipeline tarball service.

Signed-off-by: Jeny Sadadia <jeny.sadadia@collabora.com>

kernelci/api/helper.py

@@ -11,6 +11,7 @@
 import requests
 
 from . import API
+from .models import KernelVersion
 
 
 class APIHelper:
@@ -222,3 +223,7 @@ def load_json(cls, json_path, encoding='utf-8'):
         """Read content from JSON file"""
         with open(json_path, encoding=encoding) as json_file:
             return json.load(json_file)
+
+    def translate_version_fields(self, params: dict):
+        """Translate kernel version fields"""
+        return KernelVersion.translate_version_fields(params)

kernelci/api/models.py

@@ -80,6 +80,19 @@ class KernelVersion(BaseModel):
         description="Version name e.g. People's Front for v4.19"
     )
 
+    _STRICT_INT_FIELDS = ['version', 'patchlevel', 'sublevel']
+
+    @classmethod
+    def translate_version_fields(cls, params):
+        """Translate StrictInt fields into `int` instances
+
+        Generate 2-tuple (key, value) objects for the parameters that need to
+        be converted to integer.
+        """
+        for key, value in params.items():
+            if key in cls._STRICT_INT_FIELDS:
+                yield key, int(value)
+
 
 class Revision(BaseModel):
     """Linux kernel Git revision model"""