Module: Legion::Python

Defined in:
lib/legion/python.rb

Constant Summary collapse

VENV_DIR = 
(ENV['LEGION_PYTHON_VENV'] || File.expand_path('~/.legionio/python')).freeze
MARKER = 
File.expand_path('~/.legionio/.python-venv').freeze
PACKAGES = 
%w[
  python-pptx
  python-docx
  openpyxl
  pandas
  pillow
  requests
  lxml
  PyYAML
  tabulate
  markdown
].freeze
SYSTEM_CANDIDATES = 
%w[
  /opt/homebrew/bin/python3
  /usr/local/bin/python3
  /usr/bin/python3
].freeze

Class Method Summary collapse

Class Method Details

.find_system_python3 ⇒ Object 



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# File 'lib/legion/python.rb', line 61

def find_system_python3
  path_python = `command -v python3 2>/dev/null`.strip
  candidates = SYSTEM_CANDIDATES.dup
  candidates.unshift(path_python) unless path_python.empty?
  candidates.uniq.find { |p| File.executable?(p) }
end

.interpreter ⇒ Object 



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# File 'lib/legion/python.rb', line 49

def interpreter
  return venv_python if venv_python_exists?

  find_system_python3 || 'python3'
end

.pip ⇒ Object 



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# File 'lib/legion/python.rb', line 55

def pip
  return venv_pip if venv_pip_exists?

  'pip3'
end

.venv_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/python.rb', line 29

def venv_exists?
  File.exist?("#{VENV_DIR}/pyvenv.cfg")
end

.venv_pip ⇒ Object 



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# File 'lib/legion/python.rb', line 37

def venv_pip
  "#{VENV_DIR}/bin/pip"
end

.venv_pip_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/python.rb', line 45

def venv_pip_exists?
  File.executable?(venv_pip)
end

.venv_python ⇒ Object 



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# File 'lib/legion/python.rb', line 33

def venv_python
  "#{VENV_DIR}/bin/python3"
end

.venv_python_exists? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/python.rb', line 41

def venv_python_exists?
  File.executable?(venv_python)
end