Nothing
get.metacyc.reaction.byId <-
function(metacycId) {
if(length(metacycId) == 0) {
message('Please enter more than one MetaCyc ID')
}
result_df = c()
for(i in metacycId) {
cat('processing',i,'\n')
urlBase = 'http://websvc.biocyc.org/META/pathway-biopax?type=3&object=%s'
url = sprintf(urlBase, i)
h = basicTextGatherer()
curl.result = tryCatch({
curlPerform(url = url, writefunction = h$update)
}, warning = function(w) {
message('WARNING: MetaCyc server is unstable now. We are trying to get alternative server, but we recommend try this function again later')
}, error = function(e) {
message('WARNING: MetaCyc server is unstable now. We are trying to get alternative server, but we recommend try this function again later')
alter_urlBase = 'http://compbio.korea.ac.kr/rbiorxn/%s.html'
alter_url = sprintf(alter_urlBase, i)
curlPerform(url = alter_url, writefunction = h$update)
})
if(h$value() == '') {
return(NA)
} else if(h$value() != '') {
biopax = h$value()
biopax = unlist(strsplit(biopax, '\n'))
parsedBiopax = tryCatch({
.parse.biopax(biopax)
}, error = function(cond) {
message(sprintf('WARNING: RbioRXN could not parse reaction %s. It\'s going to be empty data frame', metacycId))
MetaCyc = i
result = data.frame(MetaCyc, stringsAsFactors=F)
return(result)
}, warning = function(cond) {
message(sprintf('WARNING: RbioRXN could not parse reaction %s. It\'s going to be empty data frame', metacycId))
MetaCyc = i
result = data.frame(MetaCyc, stringsAsFactors=F)
return(result)
})
result_df = rbind.fill(result_df, data.frame(parsedBiopax, stringsAsFactors=F))
}
}
result_df[is.na(result_df)] = ''
return(result_df)
}
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