return @discovery_documents["#{api}:#{version}"] ||=
begin
# fetch new API discovery doc if stale
- cached_doc = File.expand_path '~/.cache/arvados/discovery_uri.json'
- if not File.exist?(cached_doc) or (Time.now - File.mtime(cached_doc)) > 86400
+ cached_doc = File.expand_path '~/.cache/arvados/discovery_uri.json' rescue nil
+
+ if cached_doc.nil? or not File.exist?(cached_doc) or (Time.now - File.mtime(cached_doc)) > 86400
response = self.execute!(:http_method => :get,
:uri => self.discovery_uri(api, version),
:authenticated => false)
- FileUtils.makedirs(File.dirname cached_doc)
- File.open(cached_doc, 'w') do |f|
- f.puts response.body
+
+ begin
+ FileUtils.makedirs(File.dirname cached_doc)
+ File.open(cached_doc, 'w') do |f|
+ f.puts response.body
+ end
+ rescue
+ return JSON.load response.body
end
end
def init_config
# read authentication data from arvados configuration file if present
lineno = 0
- config_file = File.expand_path('~/.config/arvados/settings.conf')
- if File.exist? config_file then
+ config_file = File.expand_path('~/.config/arvados/settings.conf') rescue nil
+ if not config_file.nil? and File.exist? config_file then
File.open(config_file, 'r').each do |line|
lineno = lineno + 1
# skip comments