class RubyLLM::FileStore::Memory

Keeps files in memory, for as long as the chat lives. It is the store Chat#with_file_store uses when given none.

chat.with_file_store(RubyLLM.file_store.memory)

Public Instance Methods

delete (path)

Source

# File lib/ruby_llm/file_store/memory.rb, line 50
def delete(path)
  @lock.synchronize { @files.delete(FileStore.path(path))&.first }
end

Deletes the file at path and returns its StoredFile, or nil.

find (path)

Source

# File lib/ruby_llm/file_store/memory.rb, line 25
def find(path)
  @lock.synchronize { @files[FileStore.path(path)]&.first }
end

Returns the StoredFile at path, or nil.

list (prefix = nil)

Source

# File lib/ruby_llm/file_store/memory.rb, line 18
def list(prefix = nil)
  @lock.synchronize { @files.values.map(&:first) }
       .select { |file| FileStore.inside?(file.path, prefix) }
       .sort_by(&:path)
end

Returns the files inside the folder prefix, or every file.

read (path)

Source

# File lib/ruby_llm/file_store/memory.rb, line 30
def read(path)
  path = FileStore.path(path)
  content = @lock.synchronize { @files[path]&.last }
  raise FileNotFoundError, "No file at #{path}" unless content

  content.dup
end

Returns the content of the file at path.

write (path, content, content_type: nil)

Source

# File lib/ruby_llm/file_store/memory.rb, line 39
def write(path, content, content_type: nil)
  path = FileStore.path(path)
  content = FileStore.bytes(content).freeze
  file = StoredFile.new(path:, byte_size: content.bytesize,
                        content_type: content_type || FileStore.content_type_for(path, content),
                        digest: FileStore.digest(content), updated_at: Time.now)
  @lock.synchronize { @files[path] = [file, content] }
  file
end

Writes content to path and returns its StoredFile.