o >ax@s\dZddlZddlZddlmZddlmZddl m Z e dZ edgdZ d d ZdS) z, Helper functions for change file handling. N) namedtuple)Reader)NOTHINGpyosmiumReplicationHeader)urlsequence timestampcCst|t}|}|d}|d}|s|rtd|rXtd||d}|rUtd|zt|}|dkrBtd|d }WntyTtd |d }Ynwd }nd }d }|rtd |zt j |d }|j t j jd }Wntytdd }Ynwd }t|||S)a Scans the given file for an Osmosis replication header. It returns a namedtuple with `url`, `sequence` and `timestamp`. Each or all fields may be None, if the piece of information is not avilable. If any of the fields has an invalid format, it is simply ignored. The given file must exist and be readable for osmium, otherwise a `RuntimeError` is raised. osmosis_replication_timestamposmosis_replication_base_urlz1Replication information found in OSM file header.zReplication URL: %s#osmosis_replication_sequence_numberzReplication sequence: %srz9Sequence id '%d' in OSM file header is negative. Ignored.Nz=Sequence id '%s' in OSM file header is not a number. Ignored.zReplication timestamp: %sz%Y-%m-%dT%H:%M:%SZ)tzinfozSDate in OSM file header is not in ISO8601 format (e.g. 2015-12-24T08:08Z). Ignored.)oreaderrheadergetLOGdebugintwarning ValueErrordtdatetimestrptimereplacetimezoneutcr)fnamerhtsrseqr!:/usr/lib/python3/dist-packages/osmium/replication/utils.pyget_replication_headersF              r#)__doc__loggingrr collectionsr osmium.iorr osmium.osmr getLoggerrrr#r!r!r!r"s