Class: Dependabot::Python::Requirement

Inherits:
Requirement
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/python/requirement.rb

Constant Summary collapse

OR_SEPARATOR = 
T.let(/(?<=[a-zA-Z0-9)*])\s*\|+/, Regexp)
OPS =

Add equality and arbitrary-equality matchers

T.let(
  OPS.merge(
    "==" => ->(v, r) { v == r },
    "===" => ->(v, r) { v.to_s == r.to_s }
  ),
  T::Hash[String, T.proc.params(arg0: T.untyped, arg1: T.untyped).returns(T.untyped)]
)
PATTERN_RAW = 
T.let("\\s*(?<op>#{quoted})?\\s*(?<version>#{version_pattern})\\s*".freeze, String)
PATTERN = 
T.let(/\A#{PATTERN_RAW}\z/, Regexp)
PARENS_PATTERN = 
T.let(/\A\(([^)]+)\)\z/, Regexp)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(*requirements) ⇒ Requirement 



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# File 'lib/dependabot/python/requirement.rb', line 71

def initialize(*requirements)
  requirements = requirements.flatten.flat_map do |req_string|
    next if req_string.nil?

    # Standard python doesn't support whitespace in requirements, but Poetry does.
    req_string = req_string.gsub(/(\d +)([<=>])/, '\1,\2')

    req_string.split(",").map(&:strip).map do |r|
      convert_python_constraint_to_ruby_constraint(r)
    end
  end

  super(requirements)
end

Class Method Details

.parse(obj) ⇒ Object 



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# File 'lib/dependabot/python/requirement.rb', line 35

def self.parse(obj)
  return ["=", obj] if obj.is_a?(Gem::Version)

  line = obj
  if (matches = PARENS_PATTERN.match(line))
    line = matches[1]
  end

  unless (matches = PATTERN.match(line))
    msg = "Illformed requirement [#{obj.inspect}]"
    raise BadRequirementError, msg
  end

  return DefaultRequirement if matches[:op] == ">=" && matches[:version] == "0"

  [matches[:op] || "=", Python::Version.new(T.must(matches[:version]))]
end

.requirements_array(requirement_string) ⇒ Object 



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# File 'lib/dependabot/python/requirement.rb', line 58

def self.requirements_array(requirement_string)
  return [new(nil)] if requirement_string.nil?

  if (matches = PARENS_PATTERN.match(requirement_string))
    requirement_string = matches[1]
  end

  T.must(requirement_string).strip.split(OR_SEPARATOR).map do |req_string|
    new(req_string.strip)
  end
end

Instance Method Details

#exact? ⇒ Boolean 



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# File 'lib/dependabot/python/requirement.rb', line 94

def exact?
  return false unless requirements.size == 1

  %w(= == ===).include?(requirements[0][0])
end

#satisfied_by?(version) ⇒ Boolean 



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# File 'lib/dependabot/python/requirement.rb', line 87

def satisfied_by?(version)
  version = Python::Version.new(version.to_s)

  requirements.all? { |op, rv| T.must(OPS[op] || OPS["="]).call(version, rv) }
end