Class: Dependabot::Python::FileUpdater::PoetryFileUpdater::Pep621Updater

Inherits:
Object
  • Object
show all
Extended by:
T::Sig
Defined in:
lib/dependabot/python/file_updater/poetry_file_updater/pep621_updater.rb

Instance Method Summary collapse

Constructor Details

#initialize(dep:) ⇒ Pep621Updater

Returns a new instance of Pep621Updater.



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# File 'lib/dependabot/python/file_updater/poetry_file_updater/pep621_updater.rb', line 15

def initialize(dep:)
  @dep = dep
end

Instance Method Details

#group_versions_by_operator(specifiers) ⇒ Object 



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# File 'lib/dependabot/python/file_updater/poetry_file_updater/pep621_updater.rb', line 71

def group_versions_by_operator(specifiers)
  specifiers.each_with_object(
    T.let({}, T::Hash[String, T::Array[String]])
  ) do |specifier, grouped_versions|
    operator = T.must(specifier[:operator])
    version = T.must(specifier[:version])

    grouped_versions[operator] ||= []
    T.must(grouped_versions[operator]) << version
  end
end

#parse_specifiers(req) ⇒ Object 



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# File 'lib/dependabot/python/file_updater/poetry_file_updater/pep621_updater.rb', line 84

def parse_specifiers(req)
  req.scan(/([!<>=~]+)\s*([^\s,]+)/).map do |op, ver|
    { operator: op, version: ver }
  end
end

#replace(content, new_r, old_r) ⇒ Object 



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# File 'lib/dependabot/python/file_updater/poetry_file_updater/pep621_updater.rb', line 26

def replace(content, new_r, old_r)
  source_req = dep.metadata[:source_requirement]

  if source_req
    replace_with_source_requirement(content, source_req, new_r, old_r)
  else
    replace_with_normalized_requirement(content, new_r, old_r)
  end
end

#rewrite_pep508_requirement(source_req, old_req, new_req) ⇒ Object 



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# File 'lib/dependabot/python/file_updater/poetry_file_updater/pep621_updater.rb', line 37

def rewrite_pep508_requirement(source_req, old_req, new_req)
  old_specifiers = parse_specifiers(old_req)
  new_specifiers = parse_specifiers(new_req)

  old_versions_by_op = group_versions_by_operator(old_specifiers)
  new_versions_by_op = group_versions_by_operator(new_specifiers)

  replacements = T.let([], T::Array[T::Hash[Symbol, String]])
  new_versions_by_op.each do |operator, new_versions|
    old_versions = old_versions_by_op[operator]
    next unless old_versions
    next unless old_versions.length == new_versions.length

    old_versions.zip(new_versions).each do |old_version, new_version|
      next if old_version == new_version

      replacements << {
        operator: operator,
        old_version: old_version,
        new_version: T.must(new_version)
      }
    end
  end

  result = source_req.dup
  replacements.each do |replacement|
    op = Regexp.escape(T.must(replacement[:operator]))
    ver = Regexp.escape(T.must(replacement[:old_version]))
    result = result.sub(/(#{op}\s*)#{ver}/, "\\1#{replacement[:new_version]}")
  end
  result
end