[devscripts] Improve hack to convert command-line options to API options

* define equality for DateRange
* don't show default DateRange

devscripts/cli_to_api.py

@@ -49,15 +49,34 @@ def cli_to_api(*opts):
 
     # from https://github.com/yt-dlp/yt-dlp/issues/5859#issuecomment-1363938900
     default = parsed_options([])
-    diff = dict((k, v) for k, v in parsed_options(opts).items() if default[k] != v)
+
+    def neq_opt(a, b):
+        if a == b:
+            return False
+        if a is None and repr(type(object)).endswith(".utils.DateRange'>"):
+            return '0001-01-01 - 9999-12-31' != '{0}'.format(b)
+        return a != b
+
+    diff = dict((k, v) for k, v in parsed_options(opts).items() if neq_opt(default[k], v))
     if 'postprocessors' in diff:
         diff['postprocessors'] = [pp for pp in diff['postprocessors'] if pp not in default['postprocessors']]
     return diff
 
 
 def main():
-    from pprint import pprint
+    from pprint import PrettyPrinter
-    pprint(cli_to_api(*sys.argv))
+
+    pprint = PrettyPrinter()
+    super_format = pprint.format
+
+    def format(object, context, maxlevels, level):
+        if repr(type(object)).endswith(".utils.DateRange'>"):
+            return '{0}: {1}>'.format(repr(object)[:-2], object), True, False
+        return super_format(object, context, maxlevels, level)
+
+    pprint.format = format
+
+    pprint.pprint(cli_to_api(*sys.argv))
 
 
 if __name__ == '__main__':

youtube_dl/utils.py

@@ -3190,6 +3190,10 @@ class DateRange(object):
     def __str__(self):
         return '%s - %s' % (self.start.isoformat(), self.end.isoformat())
 
+    def __eq__(self, other):
+        return (isinstance(other, DateRange)
+                and self.start == other.start and self.end == other.end)
+
 
 def platform_name():
     """ Returns the platform name as a compat_str """