freebsd-ports/finance/R-cran-RFinanceYJ/files/patch-R-quoteStockTsData.R
TAKATSU Tomonari 36b0e73645 - Fix the patch to make fetchable with getURL (from RCurl)
to support HTTPS because Yahoo! JAPAN services have been
  migrated to AOSSL
- Update RUN_DEPENDS, accordingly

MFH:	2017Q2
2017-04-01 22:10:03 +00:00

72 lines
2.7 KiB
R

--- R/quoteStockTsData.R.orig 2013-08-12 15:05:58 UTC
+++ R/quoteStockTsData.R
@@ -46,42 +46,34 @@ quoteFXTsData <- function(x, since=NULL,
#get time series data from Yahoo! Finance.
quoteTsData <- function(x,function.financialproduct,since,start.num,date.end,time.interval,type="stock"){
r <- NULL
- result.num <- 51
financial.data <- data.frame(NULL)
- #start <- (gsub("([0-9]{4,4})-([0-9]{2,2})-([0-9]{2,2})","&c=\\1&a=\\2&b=\\3",since))
- #end <- (gsub("([0-9]{4,4})-([0-9]{2,2})-([0-9]{2,2})","&f=\\1&d=\\2&e=\\3",date.end))
start <- (gsub("([0-9]{4,4})-([0-9]{2,2})-([0-9]{2,2})","&sy=\\1&sm=\\2&sd=\\3",since))
end <- (gsub("([0-9]{4,4})-([0-9]{2,2})-([0-9]{2,2})","&ey=\\1&em=\\2&ed=\\3",date.end))
if(!any(time.interval==c('d','w','m'))) stop("Invalid time.interval value")
-
- extractQuoteTable <- function(r,type){
- if(type %in% c("fund","fx")){
- tbl <- r[[2]][[2]][[7]][[3]][[3]][[9]][[2]]
- }
- else{
- tbl <- r[[2]][[2]][[7]][[3]][[3]][[10]][[2]]
- }
- return(tbl)
- }
-
- while( result.num >= 51 ){
+ while( 1 ){
start.num <- start.num + 1
quote.table <- NULL
- quote.url <- paste('http://info.finance.yahoo.co.jp/history/?code=',x,start,end,'&p=',start.num,'&tm=',substr(time.interval,1,1),sep="")
+ quote.url <- paste('https://info.finance.yahoo.co.jp/history/?code=',x,start,end,'&p=',start.num,'&tm=',substr(time.interval,1,1),sep="")
+ quote.html <- getURL(quote.url)
- try( r <- xmlRoot(htmlTreeParse(quote.url,error=xmlErrorCumulator(immediate=F))), TRUE)
+ try( r <- htmlParse(quote.html) )
if( is.null(r) ) stop(paste("Can not access :", quote.url))
- #try( quote.table <- r[[2]][[1]][[1]][[16]][[1]][[1]][[1]][[4]][[1]][[1]][[1]], TRUE )
- try( quote.table <- extractQuoteTable(r,type), TRUE )
+ try( quote.table <- xpathApply(r,"//table")[[2]], TRUE )
+
+ quote.size <- xmlSize(quote.table)
+
+ if( xmlSize(quote.table) <= 1 ){
+ return(financial.data)
+ }
if( is.null(quote.table) ){
if( is.null(financial.data) ){
stop(paste("Can not quote :", x))
}else{
- financial.data <- financial.data[order(financial.data$date),]
- return(financial.data)
+ financial.data <- financial.data[order(financial.data$date),]
+ return(financial.data)
}
}
@@ -90,7 +82,6 @@ quoteTsData <- function(x,function.finan
financial.data <- rbind(financial.data,function.financialproduct(quote.table[[i]]))
}
- result.num <- xmlSize(quote.table)
Sys.sleep(1)
}
financial.data <- financial.data[order(financial.data$date),]
@@ -120,5 +111,3 @@ endOfMonth <- function(date.obj)
return(startOfNextMonth-1)
}
-
-