+ begin
+ error_text = ''
+ while true
+ begin
+ run_editor tmp_file.path
+
+ tmp_file.open
+ newcontent = tmp_file.read()
+ tmp_file.close
+
+ # Strip lines starting with '#'
+ newcontent = newcontent.lines.select {|l| !l.start_with? '#'}.join
+
+ # Load the new object
+ newobj = case global_opts[:format]
+ when 'json'
+ Oj.load(newcontent)
+ when 'yaml'
+ YAML.load(newcontent)
+ end
+
+ yield newobj
+
+ break
+ rescue => e
+ can_retry = true
+ if e.is_a? Psych::SyntaxError
+ this_error = "YAML error parsing your input: #{e}"
+ elsif e.is_a? JSON::ParserError or e.is_a? Oj::ParseError
+ this_error = "JSON error parsing your input: #{e}"
+ elsif e.is_a? ArvadosAPIError
+ this_error = "API responded with error #{e}"
+ else
+ this_error = "#{e.class}: #{e}"
+ can_retry = false
+ end
+ puts this_error
+
+ tmp_file.open
+ newcontent = tmp_file.read()
+ tmp_file.close
+
+ if newcontent == error_text or not can_retry
+ FileUtils::cp tmp_file.path, tmp_file.path + ".saved"
+ puts "File is unchanged, edit aborted." if can_retry
+ abort "Saved contents to " + tmp_file.path + ".saved"
+ else
+ tmp_file.open
+ tmp_file.truncate 0
+ error_text = this_error.to_s.lines.map {|l| '# ' + l}.join + "\n"
+ error_text += "# Please fix the error and try again.\n"
+ error_text += newcontent.lines.select {|l| !l.start_with? '#'}.join
+ tmp_file.write error_text
+ tmp_file.close
+ end
+ end
+ end
+ ensure
+ tmp_file.close(true)
+ end
+
+ nil
+end
+
+class ArvadosAPIError < RuntimeError
+end
+
+def check_response result
+ begin
+ results = JSON.parse result.body
+ rescue JSON::ParserError, Oj::ParseError => e
+ raise "Failed to parse server response:\n" + e.to_s
+ end
+
+ if result.response.status != 200
+ raise ArvadosAPIError.new("#{result.response.status}: #{
+ ((results['errors'] && results['errors'].join('\n')) ||
+ Net::HTTPResponse::CODE_TO_OBJ[status.to_s].to_s.sub(/^Net::HTTP/, '').titleize)}")
+ end
+
+ results
+end
+
+def lookup_uuid_rsc arvados, uuid