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enhance metha-sync with delay arg. #25

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Oct 3, 2021
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enhance metha-sync with delay arg. #25

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2 changes: 2 additions & 0 deletions cmd/metha-sync/main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -20,6 +20,7 @@ var (
baseDir = flag.String("base-dir", metha.GetBaseDir(), "base dir for harvested files")
hourly = flag.Bool("hourly", false, "use hourly intervals for harvesting")
daily = flag.Bool("daily", false, "use daily intervals for harvesting")
delay = flag.Int("delay", 0, "sleep between each OAI-PMH request")
disableSelectiveHarvesting = flag.Bool("no-intervals", false, "harvest in one go, for funny endpoints")
endpointList = flag.Bool("list", false, "list a selection of OAI endpoints (might be outdated)")
format = flag.String("format", "oai_dc", "metadata format")
Expand Down Expand Up @@ -118,6 +119,7 @@ func main() {
harvest.HourlyInterval = *hourly
harvest.DailyInterval = *daily
harvest.ExtraHeaders = extra
harvest.Delay = *delay
log.Printf("harvest: %+v", harvest)
if *removeCached {
log.Printf("removing already cached files from %s", harvest.Dir())
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6 changes: 6 additions & 0 deletions harvest.go
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Expand Up @@ -67,6 +67,8 @@ type Harvest struct {
DailyInterval bool
ExtraHeaders http.Header

Delay int

// XXX: Lazy via sync.Once?
Identify *Identify
Started time.Time
Expand Down Expand Up @@ -335,6 +337,10 @@ func (h *Harvest) runInterval(iv Interval) error {
req.From = iv.Begin.Format(h.DateLayout())
req.Until = iv.End.Format(h.DateLayout())
}

if h.Delay > 0 {
time.Sleep(time.Duration(h.Delay) * time.Second)
}
// Do request, return any http error, except when we ignore HTTPErrors - in that case, break out early.
resp, err := Do(&req)
if err != nil {
Expand Down