Class: Autobuild::Python

Inherits:
Configurable show all
Defined in:
lib/autobuild/packages/python.rb

Overview

Handler class to build python-based packages

Instance Attribute Summary collapse

Attributes inherited from Configurable

#source_tree_excludes

Attributes inherited from Package

#dependencies, #env, #failures, #importdir, #importer, #logdir, #name, #prefix, #srcdir, #statistics, #update, #updated, #utilities

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Configurable

builddir, #builddir, builddir=, #builddir=, #buildstamp, #configure, #ensure_dependencies_installed, #prepare, #prepare_for_rebuild

Methods inherited from Package

[], #add_env_op, #add_stat, #all_dependencies, #applied_post_install?, #apply_env, #apply_post_install, #checked_out?, clear, #depends_on, #depends_on?, #disable, #disable_doc, #disable_phases, #disabled?, #doc_dir, #doc_dir=, #doc_disabled, #doc_target_dir, #doc_target_dir=, #doc_task, each, #enable_doc, #env_add, #env_add_path, #env_add_prefix, #env_set, #env_source_after, #error, #failed?, #file, #find_in_path, #fingerprint, #full_env, #generates_doc?, #has_doc?, #import, #import=, #import_invoked?, #imported?, #in_dir, #inspect, #install_doc, #install_invoked?, #installed?, #installstamp, #isolate_errors, #message, #method_missing, #parallel_build_level, #parallel_build_level=, #post_install, #prepare, #prepare_for_rebuild, #process_formatting_string, #progress, #progress_done, #progress_start, #provides, #resolve_dependency_env, #resolved_env, #respond_to_missing?, #run, #self_fingerprint, #source_tree, #task, #to_s, #update?, #updated?, #utility, #warn, #working_directory

Constructor Details

#initialize(options) ⇒ Python

Returns a new instance of Python.



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# File 'lib/autobuild/packages/python.rb', line 18

def initialize(options)
    @buildflags = []
    @installflags = []
    super
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Autobuild::Package

Instance Attribute Details

#buildflags ⇒ Object

Returns the value of attribute buildflags.



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# File 'lib/autobuild/packages/python.rb', line 12

def buildflags
  @buildflags
end

#installflags ⇒ Object

Returns the value of attribute installflags.



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# File 'lib/autobuild/packages/python.rb', line 12

def installflags
  @installflags
end

Class Method Details

.user_site(prefix) ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 53

def self.user_site(prefix)
    return File.join(prefix, @user_site) if @user_site

    begin
        env = Autobuild.env.resolved_env.merge({ 'PYTHONUSERBASE' => "/" })
        _, output, _, ret = Open3.popen3(env, 'python -m site --user-site')
    rescue Exception => e
        raise "Unable to set PYTHONPATH: #{e.message}"
    end

    if ret.value.success?
        @user_site = Pathname.new(output.read.chomp)
                             .relative_path_from(Pathname.new("/"))
        File.join(prefix, @user_site)
    else
        raise 'Unable to set PYTHONPATH: user site directory disabled?'
    end
end

Instance Method Details

#build ⇒ Object

Do the build in builddir



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# File 'lib/autobuild/packages/python.rb', line 77

def build
    return unless install_mode?

    command = generate_build_command
    command << '--force' if @forced
    progress_start 'building %s [progress not available]',
                   done_message: 'built %s' do
        run 'build', *command, working_directory: srcdir
    end
    Autobuild.touch_stamp(buildstamp)
end

#configurestamp ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 14

def configurestamp
    "#{builddir}/configure-autobuild-stamp"
end

#generate_build_command ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 33

def generate_build_command
    command = %w[python setup.py]
    command << "egg_info"
    command << "--egg-base=#{builddir}"
    command << "build"
    command << "--build-base=#{builddir}"
    command += buildflags.flatten
    command
end

#generate_install_command ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 43

def generate_install_command
    command = generate_build_command
    command << 'install'
    command << "--prefix=#{prefix}"
    command << "--record=#{builddir}/install.log"
    command << "--single-version-externally-managed"
    command += installflags.flatten
    command
end

#install ⇒ Object

Install the result in prefix



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# File 'lib/autobuild/packages/python.rb', line 90

def install
    return unless install_mode?

    command = generate_install_command
    command << '--force' if @forced
    progress_start 'installing %s',
                   done_message: 'installed %s' do
        run 'install', *command, working_directory: srcdir
    end
    super
end

#install_mode? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/autobuild/packages/python.rb', line 24

def install_mode?
    File.file?(File.join(srcdir, 'setup.py'))
end

#prepare_for_forced_build ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 28

def prepare_for_forced_build
    super
    @forced = true
end

#python_path ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 72

def python_path
    self.class.user_site(prefix)
end

#update_environment ⇒ Object 



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# File 'lib/autobuild/packages/python.rb', line 102

def update_environment
    super
    path = install_mode? ? python_path : srcdir
    env_add_path 'PYTHONPATH', path
end