47     def vendor(self, vnd):  argument
48         return self.vnd2vendor.get(vnd, UNKNOWN_VENDOR)
50     def bindings(self, vnd, default=None):  argument
51         return self.vnd2bindings.get(vnd, default)
53     def target(self, vnd):  argument
55             vnd, self.vnd2ref_target[(UNKNOWN_VENDOR,)])
103             vnd = compatible_vnd(binding.compatible)
104             if vnd is None:
106             elif vnd in self.vnd2vendor:
107                 unsorted[vnd].append(binding)
112         def vnd_key(vnd):  argument
113             return self.vnd2vendor[vnd].casefold()
130         for vnd in sorted(unsorted, key=vnd_key):
131             vnd2bindings[vnd] = sorted(unsorted[vnd], key=binding_key)
151         for vnd in self.vnd2bindings:
152             if vnd is None:
153                 vnd2ref_target[vnd] = 'dt_no_vendor'
154             elif isinstance(vnd, str):
155                 vnd2ref_target[vnd] = f'dt_vendor_{vnd}'
157                 assert vnd == (UNKNOWN_VENDOR,), vnd
158                 vnd2ref_target[vnd] = 'dt_unknown_vendor'
383     for vnd, bindings in vnd_lookup.vnd2bindings.items():
412     for vnd, bindings in vnd_lookup.vnd2bindings.items():
413         if isinstance(vnd, tuple):
414             title = vnd[0]
416             title = vnd_lookup.vendor(vnd).strip()
417             if isinstance(vnd, str):
551     vnd = compatible_vnd(compatible)