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add datetime representer and allow unicode characters #2191

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add datetime representer and allow unicode characters #2191

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18 changes: 17 additions & 1 deletion pygeoapi/util.py
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Original file line number Diff line number Diff line change
Expand Up @@ -202,13 +202,29 @@ def path_representer(dumper, data):

yaml.add_multi_representer(pathlib.PurePath, path_representer)

def datetime_representer(dumper, data: datetime):
if data.tzinfo is None:
data = data.replace(tzinfo=timezone.utc)
else:
data = data.astimezone(timezone.utc)
value = data.strftime("%Y-%m-%dT%H:%M:%SZ")

# timestamp in a specified format, without string quotes
return dumper.represent_scalar(u'tag:yaml.org,2002:timestamp', value)

# create a dedicated dumper to write datetime to yaml correctly
class MyDumper(yaml.SafeDumper):
pass

MyDumper.add_representer(datetime, datetime_representer)

lock = FileLock(f'{destfile}.lock')

with lock:
LOGGER.debug('Dumping YAML document')
with open(destfile, 'wb') as fh:
yaml.dump(dict_, fh, sort_keys=False, encoding='utf8', indent=4,
default_flow_style=False)
default_flow_style=False, allow_unicode=True, Dumper=MyDumper)

return True

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