Class: LicenseFinder::Pip

Inherits:
Object
  • Object
show all
Defined in:
lib/license_finder/pip.rb

Constant Summary collapse

GET_DEPENDENCIES_PY = 
<<-PYTHON
from pip.util import get_installed_distributions

dists = [(x.project_name, x.version, x.location) for x in get_installed_distributions()]
dists = ["[\\\"{0}\\\", \\\"{1}\\\", \\\"{2}\\\"]".format(*dist) for dist in dists]

print "[" + ",".join(dists) + "]"
PYTHON

Class Method Summary collapse

Class Method Details

.current_dists ⇒ Object 



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# File 'lib/license_finder/pip.rb', line 16

def self.current_dists
  return @dists if @dists

  command = GET_DEPENDENCIES_PY.gsub(/\n+/, ";")

  output = `python -c '#{command}'`

  @dists = JSON(output).map do |dist_ary|
    PythonPackage.new(OpenStruct.new(
      :name => dist_ary[0],
      :version => dist_ary[1],
      :full_gem_path => File.join(dist_ary[2], dist_ary[0]),
      :python? => true
    ))
  end
end

.has_requirements? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/license_finder/pip.rb', line 33

def self.has_requirements?
  File.exists?(requirements_path)
end

.license_for(package) ⇒ Object 



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# File 'lib/license_finder/pip.rb', line 37

def self.license_for(package)
  info = package.json
  license = info.fetch("license", "UNKNOWN")

  if license == "UNKNOWN"
    classifiers = info.fetch("classifiers", [])
    license = classifiers.map do |c|
      if c.start_with?("License")
        c.gsub(/^License.*::\s*(.*)$/, '\1')
      end
    end.compact.first
  end

  license || "other"
end