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This module includes the Config and Up2date Config classes use by the
up2date agent to hold config info.
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rt c C s^ t � } d}| d }|rZ|dd� dkr2|dd� }|jd�}tt|d ��|d< dj|�}|S )zkreturns proxy string in format hostname:port
hostname is converted to Punycode (RFC3492) if needed
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r� c C s: t | �}tt|d tt|d ��|d |d |d f��S )z=returns url where hostname is converted to Punycode (RFC3492)r r r3 � � )r r r r r )Zurl�sr, r, r- �convert_url_to_punyH s r� c C s& t | t�rdd� | D �S t| �gS dS )z�
Internal function to process server URL to Punycode format.
Processes both single URLs and lists of URLs.
:param serverUrl: URL or list of URLs to process.
:return: List of processed URLs in Punycode format.
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Return a pair of server URLs (primary and fallback) based on the preferred interface.
:param registration: If True, it indicates that the URLs are being fetched for registration purposes.
If that is the case, the function will always use IPv4 URLs with IPv6 as fallback,
regardless of the preferred_interface setting.
Assumed false by default, expected to be specified explicitly when needed.
:return: Pair of server URL configs, first is the primary, second is the fallback.
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Return the primary server URL from config based on preferred_interface.
If preferred_interface=IPv6 in system_id, returns serverURLipv6 if available.
Otherwise returns normal serverURL.
Note: the config may have one value or a list of values, but this function always returns a list.
:return: List of server URLs with hostnames converted to Punycode.
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Determine the fallback server URL from system_id.
The fallback server URL is the one that is *not* set as preferred_interface.
If preferred_interface is IPv6, it returns serverURL (i.e. IPv4 host), otherwise serverURLipv6.
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