I'd like to leverage this
<https://github.com/protocolbuffers/protobuf/blob/master/src/google/protobuf/descriptor.proto#L36-L37>
to read a `.proto` file *in Ruby* and get a handle on the underlying
`FileDescriptorProto` to do some validations. But it's not clear to me how
to read the proto file into this object.
I tried to read both the .proto file as well as the output of the
`--descriptor_set_out`. Any guidance would be appreciated.
In bundle console:
// output of --descriptor_set_out dumped to set.txt
2.6.3 :114 > fl =
File.open("/Users/shine.garg/1debitCode/plati-bus/prototypes/protobufs/set.txt",
"r")
=>
#<File:/Users/shine.garg/1debitCode/plati-bus/prototypes/protobufs/set.txt>
2.6.3 :115 > Google::Protobuf::FileDescriptor.new(file: fl, package:
"tutorial")
Traceback (most recent call last):
16: from /Users/shine.garg/.rvm/gems/ruby-2.6.3/bin/bundle:23:in
`<main>'
15: from /Users/shine.garg/.rvm/gems/ruby-2.6.3/bin/bundle:23:in
`load'
14: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/exe/bundle:22:in
`<top (required)>'
13: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/friendly_errors.rb:124:in
`with_friendly_errors'
12: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/gems/2.6.0/gems/bundler-1.17.3/exe/bundle:30:in
`block in <top (required)>'
11: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/cli.rb:18:in
`start'
10: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/vendor/thor/lib/thor/base.rb:466:in
`start'
9: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/cli.rb:27:in
`dispatch'
8: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/vendor/thor/lib/thor.rb:387:in
`dispatch'
7: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/vendor/thor/lib/thor/invocation.rb:126:in
`invoke_command'
6: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/vendor/thor/lib/thor/command.rb:27:in
`run'
5: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/cli.rb:494:in
`console'
4: from
/Users/shine.garg/.rvm/rubies/ruby-2.6.3/lib/ruby/site_ruby/2.6.0/bundler/cli/console.rb:19:in
`run'
3: from (irb):115
2: from (irb):115:in `new'
1: from (irb):115:in `initialize'
ArgumentError (wrong number of arguments (given 1, expected 3))
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