Class: LogicaCompiler::Commands::Logica

Inherits:
Base
  • Object
show all
Defined in:
lib/logica_compiler/commands/logica.rb

Constant Summary collapse

DEFAULT_PYTHON = 
"python3"

Instance Method Summary collapse

Methods inherited from Base

#initialize

Constructor Details

This class inherits a constructor from LogicaCompiler::Commands::Base

Instance Method Details

#default_venv_logica_path(config) ⇒ Object 



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# File 'lib/logica_compiler/commands/logica.rb', line 33

def default_venv_logica_path(config)
  config.root.join("tmp/logica_venv", Util.venv_bin_dir, "logica")
end

#ensure_available!(config, allow_install:) ⇒ Object

Raises:



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# File 'lib/logica_compiler/commands/logica.rb', line 14

def ensure_available!(config, allow_install:)
  bin = config.logica_bin.to_s

  if Util.path_like?(bin)
    return if File.executable?(bin)

    if allow_install && bin == default_venv_logica_path(config).to_s
      install_venv_logica!(config)
      return if File.executable?(bin)
    end

    raise LogicaError, "Logica CLI not found: #{bin.inspect}"
  end

  return if which.call(bin)

  raise LogicaError, "Logica CLI #{bin.inspect} not found on PATH. Run `bin/logica install` or set LOGICA_BIN."
end

#install_venv_logica!(config) ⇒ Object

Raises:



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# File 'lib/logica_compiler/commands/logica.rb', line 37

def install_venv_logica!(config)
  python = env.fetch("LOGICA_PYTHON", DEFAULT_PYTHON)
  requirements = Pathname(env.fetch("LOGICA_REQUIREMENTS", config.requirements_path.to_s))
  venv_dir = Pathname(env.fetch("LOGICA_VENV", config.root.join("tmp/logica_venv").to_s))

  raise LogicaError, "#{python} not found. Install Python 3 and try again." unless which.call(python)
  raise LogicaError, "requirements not found: #{requirements}" unless requirements.exist?

  FileUtils.mkdir_p(venv_dir.parent)
  shell.system!(python, "-m", "venv", venv_dir.to_s) unless venv_dir.exist?

  stamp = venv_dir.join(".requirements.sha256")
  req_sha = Digest::SHA256.hexdigest(requirements.read)

  return if stamp.exist? && stamp.read.strip == req_sha

  venv_python = venv_dir.join(Util.venv_bin_dir, "python").to_s
  shell.system!(venv_python, "-m", "pip", "install", "--upgrade", "pip")
  shell.system!(venv_python, "-m", "pip", "install", "-r", requirements.to_s)

  stamp.write(req_sha)
end