def actionExpand(self, request, tzid):
"""
Expand a timezone within specified start/end dates.
"""
if set(request.args.keys()) - set(("start", "end", "changedsince",)):
self.problemReport("invalid-action", "Invalid request-URI query parameters", responsecode.BAD_REQUEST)
start = request.args.get("start", ())
if len(start) == 0:
self.problemReport("invalid-start", "Missing start request-URI query parameter", responsecode.BAD_REQUEST)
if len(start) > 1:
self.problemReport("invalid-start", "Too many start request-URI query parameters", responsecode.BAD_REQUEST)
elif len(start) == 1:
try:
if len(start[0]) != 20:
raise ValueError()
start = DateTime.parseText(start[0], fullISO=True)
except ValueError:
self.problemReport("invalid-start", "Invalid start request-URI query parameter value", responsecode.BAD_REQUEST)
end = request.args.get("end", ())
if len(end) == 0:
self.problemReport("invalid-end", "Missing end request-URI query parameter", responsecode.BAD_REQUEST)
if len(end) > 1:
self.problemReport("invalid-end", "Too many end request-URI query parameters", responsecode.BAD_REQUEST)
elif len(end) == 1:
try:
if len(end[0]) != 20:
raise ValueError()
end = DateTime.parseText(end[0], fullISO=True)
except ValueError:
self.problemReport("invalid-end", "Invalid end request-URI query parameter value", responsecode.BAD_REQUEST)
if end <= start:
self.problemReport("invalid-end", "Invalid end request-URI query parameter value - earlier than start", responsecode.BAD_REQUEST)
tzdata = self.timezones.getTimezone(tzid)
if tzdata is None:
self.problemReport("tzid-not-found", "Time zone identifier not found", responsecode.NOT_FOUND)
# Now do the expansion (but use a cache to avoid re-calculating TZs)
observances = self.expandcache.get((tzid, start, end), None)
if observances is None:
observances = tzexpandlocal(tzdata, start, end, utc_onset=True)
self.expandcache[(tzid, start, end)] = observances
# Turn into JSON
result = {
"dtstamp": self.timezones.dtstamp,
"tzid": tzid,
"observances": [
{
"name": name,
"onset": onset.getXMLText(),
"utc-offset-from": utc_offset_from,
"utc-offset-to": utc_offset_to,
} for onset, utc_offset_from, utc_offset_to, name in observances
],
}
return JSONResponse(responsecode.OK, result, pretty=config.TimezoneService.PrettyPrintJSON)
def actionExpand(self, request, tzid):
"""
Expand a timezone within specified start/end dates.
"""
if set(request.args.keys()) - set(("start", "end",)):
self.problemReport("invalid-action", "Invalid request-URI query parameters", responsecode.BAD_REQUEST)
start = request.args.get("start", ())
if len(start) == 0:
self.problemReport("invalid-start", "Missing start request-URI query parameter", responsecode.BAD_REQUEST)
if len(start) > 1:
self.problemReport("invalid-start", "Too many start request-URI query parameters", responsecode.BAD_REQUEST)
elif len(start) == 1:
try:
if len(start[0]) != 20:
raise ValueError()
start = DateTime.parseText(start[0], fullISO=True)
except ValueError:
self.problemReport("invalid-start", "Invalid start request-URI query parameter value", responsecode.BAD_REQUEST)
end = request.args.get("end", ())
if len(end) == 0:
self.problemReport("invalid-end", "Missing end request-URI query parameter", responsecode.BAD_REQUEST)
if len(end) > 1:
self.problemReport("invalid-end", "Too many end request-URI query parameters", responsecode.BAD_REQUEST)
elif len(end) == 1:
try:
if len(end[0]) != 20:
raise ValueError()
end = DateTime.parseText(end[0], fullISO=True)
except ValueError:
self.problemReport("invalid-end", "Invalid end request-URI query parameter value", responsecode.BAD_REQUEST)
if end <= start:
self.problemReport("invalid-end", "Invalid end request-URI query parameter value - earlier than start", responsecode.BAD_REQUEST)
tzdata = self.timezones.getTimezone(tzid)
if tzdata is None:
self.problemReport("tzid-not-found", "Time zone identifier not found", responsecode.NOT_FOUND)
# Now do the expansion (but use a cache to avoid re-calculating TZs)
observances = self.expandcache.get((tzid, start, end), None)
if observances is None:
observances = tzexpandlocal(tzdata, start, end, utc_onset=True)
self.expandcache[(tzid, start, end)] = observances
# Turn into JSON
result = {
"dtstamp": self.timezones.dtstamp,
"tzid": tzid,
"observances": [
{
"name": name,
"onset": onset.getXMLText(),
"utc-offset-from": utc_offset_from,
"utc-offset-to": utc_offset_to,
} for onset, utc_offset_from, utc_offset_to, name in observances
],
}
return JSONResponse(responsecode.OK, result, pretty=config.TimezoneService.PrettyPrintJSON)
def doExpand(self, request):
"""
Expand a timezone within specified start/end dates.
"""
tzids = request.args.get("tzid", ())
if len(tzids) != 1:
raise HTTPError(JSONResponse(
responsecode.BAD_REQUEST,
{
"error": "invalid-tzid",
"description": "Invalid tzid query parameter",
},
))
try:
start = request.args.get("start", ())
if len(start) > 1:
raise ValueError()
elif len(start) == 1:
start = PyCalendarDateTime.parseText(start[0])
else:
start = PyCalendarDateTime.getToday()
start.setDay(1)
start.setMonth(1)
except ValueError:
raise HTTPError(JSONResponse(
responsecode.BAD_REQUEST,
{
"error": "invalid-start",
"description": "Invalid start query parameter",
}
))
try:
end = request.args.get("end", ())
if len(end) > 1:
raise ValueError()
elif len(end) == 1:
end = PyCalendarDateTime.parseText(end[0])
else:
end = PyCalendarDateTime.getToday()
end.setDay(1)
end.setMonth(1)
end.offsetYear(10)
if end <= start:
raise ValueError()
except ValueError:
raise HTTPError(JSONResponse(
responsecode.BAD_REQUEST,
{
"error": "invalid-end",
"description": "Invalid end query parameter",
}
))
tzid = tzids[0]
tzdata = self.timezones.getTimezone(tzid)
if tzdata is None:
raise HTTPError(JSONResponse(
responsecode.NOT_FOUND,
{
"error": "missing-tzid",
"description": "Tzid could not be found",
}
))
# Now do the expansion (but use a cache to avoid re-calculating TZs)
observances = self.expandcache.get((tzid, start, end), None)
if observances is None:
observances = tzexpandlocal(tzdata, start, end)
self.expandcache[(tzid, start, end)] = observances
# Turn into JSON
result = {
"dtstamp": self.timezones.dtstamp,
"observances": [
{
"name": name,
"onset": onset.getXMLText(),
"utc-offset-from": utc_offset_from,
"utc-offset-to": utc_offset_to,
} for onset, utc_offset_from, utc_offset_to, name in observances
],
}
return JSONResponse(responsecode.OK, result)
