Adding upstream version 1.4.2.

Signed-off-by: Daniel Baumann <daniel@debian.org>

dsc_datatool/transformer/labler.py

@@ -0,0 +1,69 @@
+"""dsc_datatool.transformer.labler
+
+See `man dsc-datatool-transformer labler`.
+
+Part of dsc_datatool.
+
+:copyright: 2024 OARC, Inc.
+"""
+
+import yaml
+
+from dsc_datatool import Transformer, encoding
+
+
+def _process(label, d):
+    l = label.get(d.name, None)
+    if d.values:
+        if l is None:
+            return
+
+        values = d.values
+        d.values = {}
+
+        for k, v in values.items():
+            nk = l.get(k, None)
+            d.values[nk or k] = v
+
+        return
+
+    if l:
+        v = l.get(d.value, None)
+        if v:
+            d.value = v
+    for d2 in d.dimensions:
+        _process(label, d2)
+
+
+class Labler(Transformer):
+    label = None
+
+
+    def __init__(self, opts):
+        Transformer.__init__(self, opts)
+        if not 'yaml' in opts:
+            raise Exception('yaml=file option required')
+        f = open(opts.get('yaml'), 'r', encoding=encoding)
+        try:
+            self.label = yaml.full_load(f)
+        except AttributeError:
+            self.label = yaml.load(f)
+        f.close()
+
+
+    def process(self, datasets):
+        if self.label is None:
+            return
+
+        for dataset in datasets:
+            label = self.label.get(dataset.name, None)
+            if label is None:
+                continue
+
+            for d in dataset.dimensions:
+                _process(label, d)
+
+
+import sys
+if sys.version_info[0] == 3 and sys.version_info[1] == 5: # pragma: no cover
+    Transformer.__init_subclass__(Labler)