def make_timemap(wbrequest, cdx_lines):
prefix = wbrequest.wb_prefix
url = wbrequest.wb_url.url
mod = wbrequest.options.get('replay_mod', '')
# get first memento as it'll be used for 'from' field
try:
first_cdx = six.next(cdx_lines)
from_date = timestamp_to_http_date(first_cdx['timestamp'])
except StopIteration:
first_cdx = None
if first_cdx:
# timemap link
timemap = ('<{0}>; rel="self"; ' +
'type="application/link-format"; from="{1}",\n')
yield timemap.format(prefix + wbrequest.wb_url.to_str(),
from_date)
# original link
original = '<{0}>; rel="original",\n'
yield original.format(url)
# timegate link
timegate = '<{0}>; rel="timegate",\n'
timegate_url= WbUrl.to_wburl_str(url=url,
mod=mod,
type=WbUrl.LATEST_REPLAY)
yield timegate.format(prefix + timegate_url)
if not first_cdx:
# terminating timemap link, no from
timemap = ('<{0}>; rel="self"; type="application/link-format"')
yield timemap.format(prefix + wbrequest.wb_url.to_str())
return
# first memento link
yield make_timemap_memento_link(first_cdx, prefix,
datetime=from_date, mod=mod)
prev_cdx = None
for cdx in cdx_lines:
if prev_cdx:
yield make_timemap_memento_link(prev_cdx, prefix, mod=mod)
prev_cdx = cdx
# last memento link, if any
if prev_cdx:
yield make_timemap_memento_link(prev_cdx, prefix, end='', mod=mod)
def make_timemap(wbrequest, cdx_lines):
prefix = wbrequest.wb_prefix
url = wbrequest.wb_url.url
mod = wbrequest.options.get('replay_mod', '')
# get first memento as it'll be used for 'from' field
try:
first_cdx = six.next(cdx_lines)
from_date = timestamp_to_http_date(first_cdx['timestamp'])
except StopIteration:
first_cdx = None
if first_cdx:
# timemap link
timemap = ('<{0}>; rel="self"; ' +
'type="application/link-format"; from="{1}",\n')
yield timemap.format(prefix + wbrequest.wb_url.to_str(), from_date)
# original link
original = '<{0}>; rel="original",\n'
yield original.format(url)
# timegate link
timegate = '<{0}>; rel="timegate",\n'
timegate_url = WbUrl.to_wburl_str(url=url,
mod=mod,
type=WbUrl.LATEST_REPLAY)
yield timegate.format(prefix + timegate_url)
if not first_cdx:
# terminating timemap link, no from
timemap = ('<{0}>; rel="self"; type="application/link-format"')
yield timemap.format(prefix + wbrequest.wb_url.to_str())
return
# first memento link
yield make_timemap_memento_link(first_cdx,
prefix,
datetime=from_date,
mod=mod)
prev_cdx = None
for cdx in cdx_lines:
if prev_cdx:
yield make_timemap_memento_link(prev_cdx, prefix, mod=mod)
prev_cdx = cdx
# last memento link, if any
if prev_cdx:
yield make_timemap_memento_link(prev_cdx, prefix, end='', mod=mod)
def make_memento_link(cdx, prefix, datetime=None, rel='memento', end=',\n'):
memento = '<{0}>; rel="{1}"; datetime="{2}"' + end
string = WbUrl.to_wburl_str(url=cdx['original'],
mod='',
timestamp=cdx['timestamp'],
type=WbUrl.REPLAY)
url = prefix + string
if not datetime:
datetime = timestamp_to_http_date(cdx['timestamp'])
return memento.format(url, rel, datetime)
def make_memento_link(cdx, prefix, datetime=None, rel='memento', end=',\n'):
memento = '<{0}>; rel="{1}"; datetime="{2}"' + end
string = WbUrl.to_wburl_str(url=cdx['original'],
mod='',
timestamp=cdx['timestamp'],
type=WbUrl.REPLAY)
url = prefix + string
if not datetime:
datetime = timestamp_to_http_date(cdx['timestamp'])
return memento.format(url, rel, datetime)
