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Edit File : bundled_gems.rb \| Size : 7.28 KB
# -- frozen-string-literal: true -- module Gem::BUNDLED_GEMS # :nodoc: SINCE = { "matrix" => "3.1.0", "net-ftp" => "3.1.0", "net-imap" => "3.1.0", "net-pop" => "3.1.0", "net-smtp" => "3.1.0", "prime" => "3.1.0", "racc" => "3.3.0", "abbrev" => "3.4.0", "base64" => "3.4.0", "bigdecimal" => "3.4.0", "csv" => "3.4.0", "drb" => "3.4.0", "getoptlong" => "3.4.0", "mutex_m" => "3.4.0", "nkf" => "3.4.0", "observer" => "3.4.0", "resolv-replace" => "3.4.0", "rinda" => "3.4.0", "syslog" => "3.4.0", "ostruct" => "3.5.0", "pstore" => "3.5.0", "rdoc" => "3.5.0", "win32ole" => "3.5.0", "fiddle" => "3.5.0", "logger" => "3.5.0", "benchmark" => "3.5.0", "irb" => "3.5.0", "reline" => "3.5.0", # "readline" => "3.5.0", # This is wrapper for reline. We don't warn for this. }.freeze SINCE_FAST_PATH = SINCE.transform_keys { \|g\| g.sub(/\A.\-/, "") }.freeze EXACT = { "kconv" => "nkf", }.freeze PREFIXED = { "bigdecimal" => true, "csv" => true, "drb" => true, "rinda" => true, "syslog" => true, "fiddle" => true, }.freeze WARNED = {} # unfrozen conf = ::RbConfig::CONFIG if ENV["TEST_BUNDLED_GEMS_FAKE_RBCONFIG"] LIBDIR = (File.expand_path(File.join(__dir__, "..", "lib")) + "/").freeze rubyarchdir = $LOAD_PATH.find{\|path\| path.include?(".ext/common") } ARCHDIR = (File.expand_path(rubyarchdir) + "/").freeze else LIBDIR = (conf["rubylibdir"] + "/").freeze ARCHDIR = (conf["rubyarchdir"] + "/").freeze end dlext = [conf["DLEXT"], "so"].uniq DLEXT = /\.#{Regexp.union(dlext)}\z/ LIBEXT = /\.#{Regexp.union("rb", dlext)}\z/ def self.replace_require(specs) return if [::Kernel.singleton_class, ::Kernel].any? {\|klass\| klass.respond_to?(:no_warning_require) } spec_names = specs.to_a.each_with_object({}) {\|spec, h\| h[spec.name] = true } [::Kernel.singleton_class, ::Kernel].each do \|kernel_class\| kernel_class.send(:alias_method, :no_warning_require, :require) kernel_class.send(:define_method, :require) do \|name\| if message = ::Gem::BUNDLED_GEMS.warning?(name, specs: spec_names) uplevel = ::Gem::BUNDLED_GEMS.uplevel if uplevel > 0 Kernel.warn message, uplevel: uplevel else Kernel.warn message end end kernel_class.send(:no_warning_require, name) end if kernel_class == ::Kernel kernel_class.send(:private, :require) else kernel_class.send(:public, :require) end end end def self.uplevel frame_count = 0 require_labels = ["replace_require", "require"] uplevel = 0 require_found = false Thread.each_caller_location do \|cl\| frame_count += 1 if require_found unless require_labels.include?(cl.base_label) return uplevel end else if require_labels.include?(cl.base_label) require_found = true end end uplevel += 1 # Don't show script name when bundle exec and call ruby script directly. if cl.path.end_with?("bundle") frame_count = 0 break end end require_found ? 1 : frame_count - 1 end def self.find_gem(path) if !path return elsif path.start_with?(ARCHDIR) n = path.delete_prefix(ARCHDIR).sub(DLEXT, "").chomp(".rb") elsif path.start_with?(LIBDIR) n = path.delete_prefix(LIBDIR).chomp(".rb") else return end (EXACT[n] \|\| !!SINCE[n]) or PREFIXED[n = n[%r[\A[^/]+(?=/)]]] && n end def self.warning?(name, specs: nil) # name can be a feature name or a file path with String or Pathname feature = File.path(name) # irb already has reline as a dependency on gemspec, so we don't want to warn about it. # We should update this with a more general solution when we have another case. # ex: Gem.loaded_specs[called_gem].dependencies.any? {\|d\| d.name == feature } return false if feature.start_with?("reline") && caller_locations(2, 1)[0].to_s.include?("irb") # The actual checks needed to properly identify the gem being required # are costly (see [Bug #20641]), so we first do a much cheaper check # to exclude the vast majority of candidates. if feature.include?("/") # bootsnap expands `require "csv"` to `require "#{LIBDIR}/csv.rb"`, # and `require "syslog"` to `require "#{ARCHDIR}/syslog.so"`. name = feature.delete_prefix(ARCHDIR).delete_prefix(LIBDIR).sub(LIBEXT, "") segments = name.split("/") name = segments.first if !SINCE[name] name = segments[0..1].join("-") return unless SINCE[name] end else name = feature.sub(LIBEXT, "") return unless SINCE_FAST_PATH[name] end return if specs.include?(name) _t, path = $:.resolve_feature_path(feature) if gem = find_gem(path) return if specs.include?(gem) elsif SINCE[name] && !path gem = true else return end return if WARNED[name] WARNED[name] = true if gem == true gem = name "#{feature} was loaded from the standard library, but" elsif gem "#{feature} is found in #{gem}, which" else return end + build_message(gem) end def self.build_message(gem) msg = " #{RUBY_VERSION < SINCE[gem] ? "will no longer be" : "is not"} part of the default gems starting from Ruby #{SINCE[gem]}." if defined?(Bundler) msg += "\nYou can add #{gem} to your Gemfile or gemspec to silence this warning." # We detect the gem name from caller_locations. First we walk until we find `require` # then take the first frame that's not from `require`. # # Additionally, we need to skip Bootsnap and Zeitwerk if present, these # gems decorate Kernel#require, so they are not really the ones issuing # the require call users should be warned about. Those are upwards. frames_to_skip = 3 location = nil require_found = false Thread.each_caller_location do \|cl\| if frames_to_skip >= 1 frames_to_skip -= 1 next end if require_found if cl.base_label != "require" location = cl.path break end else if cl.base_label == "require" require_found = true end end end if location && File.file?(location) && !location.start_with?(Gem::BUNDLED_GEMS::LIBDIR) caller_gem = nil Gem.path.each do \|path\| if location =~ %r{#{path}/gems/([\w\-\.]+)} caller_gem = $1 break end end if caller_gem msg += "\nAlso please contact the author of #{caller_gem} to request adding #{gem} into its gemspec." end end else msg += " Install #{gem} from RubyGems." end msg end freeze end # for RubyGems without Bundler environment. # If loading library is not part of the default gems and the bundled gems, warn it. class LoadError def message # :nodoc: return super unless path name = path.tr("/", "-") if !defined?(Bundler) && Gem::BUNDLED_GEMS::SINCE[name] && !Gem::BUNDLED_GEMS::WARNED[name] warn name + Gem::BUNDLED_GEMS.build_message(name), uplevel: Gem::BUNDLED_GEMS.uplevel end super end end Back

Edit File : bundled_gems.rb | Size : 7.28 KB

# -*- frozen-string-literal: true -*-

module Gem::BUNDLED_GEMS # :nodoc:
  SINCE = {
    "matrix" => "3.1.0",
    "net-ftp" => "3.1.0",
    "net-imap" => "3.1.0",
    "net-pop" => "3.1.0",
    "net-smtp" => "3.1.0",
    "prime" => "3.1.0",
    "racc" => "3.3.0",
    "abbrev" => "3.4.0",
    "base64" => "3.4.0",
    "bigdecimal" => "3.4.0",
    "csv" => "3.4.0",
    "drb" => "3.4.0",
    "getoptlong" => "3.4.0",
    "mutex_m" => "3.4.0",
    "nkf" => "3.4.0",
    "observer" => "3.4.0",
    "resolv-replace" => "3.4.0",
    "rinda" => "3.4.0",
    "syslog" => "3.4.0",
    "ostruct" => "3.5.0",
    "pstore" => "3.5.0",
    "rdoc" => "3.5.0",
    "win32ole" => "3.5.0",
    "fiddle" => "3.5.0",
    "logger" => "3.5.0",
    "benchmark" => "3.5.0",
    "irb" => "3.5.0",
    "reline" => "3.5.0",
    # "readline" => "3.5.0", # This is wrapper for reline. We don't warn for this.
  }.freeze

SINCE_FAST_PATH = SINCE.transform_keys { |g| g.sub(/\A.*\-/, "") }.freeze

EXACT = {
    "kconv" => "nkf",
  }.freeze

PREFIXED = {
    "bigdecimal" => true,
    "csv" => true,
    "drb" => true,
    "rinda" => true,
    "syslog" => true,
    "fiddle" => true,
  }.freeze

WARNED = {}                   # unfrozen

conf = ::RbConfig::CONFIG
  if ENV["TEST_BUNDLED_GEMS_FAKE_RBCONFIG"]
    LIBDIR = (File.expand_path(File.join(__dir__, "..", "lib")) + "/").freeze
    rubyarchdir = $LOAD_PATH.find{|path| path.include?(".ext/common") }
    ARCHDIR = (File.expand_path(rubyarchdir) + "/").freeze
  else
    LIBDIR = (conf["rubylibdir"] + "/").freeze
    ARCHDIR = (conf["rubyarchdir"] + "/").freeze
  end
  dlext = [conf["DLEXT"], "so"].uniq
  DLEXT = /\.#{Regexp.union(dlext)}\z/
  LIBEXT = /\.#{Regexp.union("rb", *dlext)}\z/

def self.replace_require(specs)
    return if [::Kernel.singleton_class, ::Kernel].any? {|klass| klass.respond_to?(:no_warning_require) }

spec_names = specs.to_a.each_with_object({}) {|spec, h| h[spec.name] = true }

[::Kernel.singleton_class, ::Kernel].each do |kernel_class|
      kernel_class.send(:alias_method, :no_warning_require, :require)
      kernel_class.send(:define_method, :require) do |name|
        if message = ::Gem::BUNDLED_GEMS.warning?(name, specs: spec_names)
          uplevel = ::Gem::BUNDLED_GEMS.uplevel
          if uplevel > 0
            Kernel.warn message, uplevel: uplevel
          else
            Kernel.warn message
          end
        end
        kernel_class.send(:no_warning_require, name)
      end
      if kernel_class == ::Kernel
        kernel_class.send(:private, :require)
      else
        kernel_class.send(:public, :require)
      end
    end
  end

def self.uplevel
    frame_count = 0
    require_labels = ["replace_require", "require"]
    uplevel = 0
    require_found = false
    Thread.each_caller_location do |cl|
      frame_count += 1

if require_found
        unless require_labels.include?(cl.base_label)
          return uplevel
        end
      else
        if require_labels.include?(cl.base_label)
          require_found = true
        end
      end
      uplevel += 1
      # Don't show script name when bundle exec and call ruby script directly.
      if cl.path.end_with?("bundle")
        frame_count = 0
        break
      end
    end
    require_found ? 1 : frame_count - 1
  end

def self.find_gem(path)
    if !path
      return
    elsif path.start_with?(ARCHDIR)
      n = path.delete_prefix(ARCHDIR).sub(DLEXT, "").chomp(".rb")
    elsif path.start_with?(LIBDIR)
      n = path.delete_prefix(LIBDIR).chomp(".rb")
    else
      return
    end
    (EXACT[n] || !!SINCE[n]) or PREFIXED[n = n[%r[\A[^/]+(?=/)]]] && n
  end

def self.warning?(name, specs: nil)
    # name can be a feature name or a file path with String or Pathname
    feature = File.path(name)

# irb already has reline as a dependency on gemspec, so we don't want to warn about it.
    # We should update this with a more general solution when we have another case.
    # ex: Gem.loaded_specs[called_gem].dependencies.any? {|d| d.name == feature }
    return false if feature.start_with?("reline") && caller_locations(2, 1)[0].to_s.include?("irb")

# The actual checks needed to properly identify the gem being required
    # are costly (see [Bug #20641]), so we first do a much cheaper check
    # to exclude the vast majority of candidates.
    if feature.include?("/")
      # bootsnap expands `require "csv"` to `require "#{LIBDIR}/csv.rb"`,
      # and `require "syslog"` to `require "#{ARCHDIR}/syslog.so"`.
      name = feature.delete_prefix(ARCHDIR).delete_prefix(LIBDIR).sub(LIBEXT, "")
      segments = name.split("/")
      name = segments.first
      if !SINCE[name]
        name = segments[0..1].join("-")
        return unless SINCE[name]
      end
    else
      name = feature.sub(LIBEXT, "")
      return unless SINCE_FAST_PATH[name]
    end

return if specs.include?(name)
    _t, path = $:.resolve_feature_path(feature)
    if gem = find_gem(path)
      return if specs.include?(gem)
    elsif SINCE[name] && !path
      gem = true
    else
      return
    end

return if WARNED[name]
    WARNED[name] = true
    if gem == true
      gem = name
      "#{feature} was loaded from the standard library, but"
    elsif gem
      "#{feature} is found in #{gem}, which"
    else
      return
    end + build_message(gem)
  end

def self.build_message(gem)
    msg = " #{RUBY_VERSION < SINCE[gem] ? "will no longer be" : "is not"} part of the default gems starting from Ruby #{SINCE[gem]}."

if defined?(Bundler)
      msg += "\nYou can add #{gem} to your Gemfile or gemspec to silence this warning."

# We detect the gem name from caller_locations. First we walk until we find `require`
      # then take the first frame that's not from `require`.
      #
      # Additionally, we need to skip Bootsnap and Zeitwerk if present, these
      # gems decorate Kernel#require, so they are not really the ones issuing
      # the require call users should be warned about. Those are upwards.
      frames_to_skip = 3
      location = nil
      require_found = false
      Thread.each_caller_location do |cl|
        if frames_to_skip >= 1
          frames_to_skip -= 1
          next
        end

if require_found
          if cl.base_label != "require"
            location = cl.path
            break
          end
        else
          if cl.base_label == "require"
            require_found = true
          end
        end
      end

if location && File.file?(location) && !location.start_with?(Gem::BUNDLED_GEMS::LIBDIR)
        caller_gem = nil
        Gem.path.each do |path|
          if location =~ %r{#{path}/gems/([\w\-\.]+)}
            caller_gem = $1
            break
          end
        end
        if caller_gem
          msg += "\nAlso please contact the author of #{caller_gem} to request adding #{gem} into its gemspec."
        end
      end
    else
      msg += " Install #{gem} from RubyGems."
    end

msg
  end

freeze
end

# for RubyGems without Bundler environment.
# If loading library is not part of the default gems and the bundled gems, warn it.
class LoadError
  def message # :nodoc:
    return super unless path

name = path.tr("/", "-")
    if !defined?(Bundler) && Gem::BUNDLED_GEMS::SINCE[name] && !Gem::BUNDLED_GEMS::WARNED[name]
      warn name + Gem::BUNDLED_GEMS.build_message(name), uplevel: Gem::BUNDLED_GEMS.uplevel
    end
    super
  end
end

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