class FPM::Package::Virtualenv
Support for python virtualenv packages.
This supports input, but not output.
Public Instance Methods
input(package)
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Input a package.
`package` can look like `psutil==2.2.1` or `psutil`.
# File lib/fpm/package/virtualenv.rb, line 56 def input(package) installdir = attributes[:virtualenv_install_location] m = /^([^=]+)==([^=]+)$/.match(package) package_version = nil is_requirements_file = (File.basename(package) == "requirements.txt") if is_requirements_file if !File.file?(package) raise FPM::InvalidPackageConfiguration, "Path looks like a requirements.txt, but it doesn't exist: #{package}" end package = File.join(::Dir.pwd, package) if File.dirname(package) == "." package_name = File.basename(File.dirname(package)) logger.info("No name given. Using the directory's name", :name => package_name) package_version = nil elsif m package_name = m[1] package_version = m[2] self.version ||= package_version else package_name = package package_version = nil end virtualenv_name = package_name self.name ||= package_name if self.attributes[:virtualenv_fix_name?] self.name = [self.attributes[:virtualenv_package_name_prefix], self.name].join("-") end # prefix wins over previous virtual_install_location behaviour virtualenv_folder = if self.attributes[:prefix] self.attributes[:prefix] else File.join(installdir, virtualenv_name) end virtualenv_build_folder = build_path(virtualenv_folder) ::FileUtils.mkdir_p(virtualenv_build_folder) if self.attributes[:virtualenv_system_site_packages?] logger.info("Creating virtualenv with --system-site-packages") safesystem("virtualenv", "--system-site-packages", virtualenv_build_folder) else safesystem("virtualenv", virtualenv_build_folder) end pip_exe = File.join(virtualenv_build_folder, "bin", "pip") python_exe = File.join(virtualenv_build_folder, "bin", "python") # Why is this hack here? It looks important, so I'll keep it in. safesystem(python_exe, pip_exe, "install", "-U", "-i", attributes[:virtualenv_pypi], "pip") extra_index_url_args = [] if attributes[:virtualenv_pypi_extra_index_urls] attributes[:virtualenv_pypi_extra_index_urls].each do |extra_url| extra_index_url_args << "--extra-index-url" << extra_url end end find_links_url_args = [] if attributes[:virtualenv_find_links_urls] attributes[:virtualenv_find_links_urls].each do |links_url| find_links_url_args << "--find-links" << links_url end end target_args = [] if is_requirements_file target_args << "-r" << package else target_args << package end pip_args = [python_exe, pip_exe, "install", "-i", attributes[:virtualenv_pypi]] << extra_index_url_args << find_links_url_args << target_args safesystem(*pip_args.flatten) if attributes[:virtualenv_setup_install?] logger.info("Running PACKAGE setup.py") setup_args = [python_exe, "setup.py", "install"] safesystem(*setup_args.flatten) end if ! is_requirements_file && package_version.nil? frozen = safesystemout(python_exe, pip_exe, "freeze") frozen_version = frozen[/#{package}==[^=]+$/] package_version = frozen_version && frozen_version.split("==")[1].chomp! self.version ||= package_version end ::Dir[build_path + "/**/*"].each do |f| if ! File.readable? f File.lchmod(File.stat(f).mode | 444) end end ::Dir.chdir(virtualenv_build_folder) do safesystem("virtualenv-tools", "--update-path", virtualenv_folder) end if !attributes[:virtualenv_other_files_dir].nil? # Copy all files from other dir to build_path Find.find(attributes[:virtualenv_other_files_dir]) do |path| src = path.gsub(/^#{attributes[:virtualenv_other_files_dir]}/, '') dst = File.join(build_path, src) copy_entry(path, dst, preserve=true, remove_destination=true) copy_metadata(path, dst) end end remove_python_compiled_files virtualenv_build_folder # use dir to set stuff up properly, mainly so I don't have to reimplement # the chdir/prefix stuff special for tar. dir = convert(FPM::Package::Dir) # don't double prefix the files dir.attributes[:prefix] = nil if attributes[:chdir] dir.attributes[:chdir] = File.join(build_path, attributes[:chdir]) else dir.attributes[:chdir] = build_path end cleanup_staging # Tell 'dir' to input "." and chdir/prefix will help it figure out the # rest. dir.input(".") @staging_path = dir.staging_path dir.cleanup_build end
Private Instance Methods
remove_python_compiled_files(path)
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Delete python precompiled files found in a given folder.
# File lib/fpm/package/virtualenv.rb, line 198 def remove_python_compiled_files path logger.debug("Now removing python object and compiled files from the virtualenv") Find.find(path) do |path| if path.end_with? '.pyc' or path.end_with? '.pyo' FileUtils.rm path end end end