From f8e4c0344c4016e0b462f7514c88b18c1a442e3d Mon Sep 17 00:00:00 2001 From: Mark Doffman Date: Fri, 21 Feb 2014 20:39:05 +0000 Subject: Revert "Add utilities for listing and finding extensions." This reverts commit ab0a83a09a93ca33aa402d9c4d3b916a48a1a882. --- morphlib/extensions.py | 143 ------------------------------------------------- 1 file changed, 143 deletions(-) delete mode 100644 morphlib/extensions.py (limited to 'morphlib/extensions.py') diff --git a/morphlib/extensions.py b/morphlib/extensions.py deleted file mode 100644 index 57649cf1..00000000 --- a/morphlib/extensions.py +++ /dev/null @@ -1,143 +0,0 @@ -# Copyright (C) 2014 Codethink Limited -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License as published by -# the Free Software Foundation; version 2 of the License. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - -import cliapp -import morphlib -import glob -import os -import sysbranchdir -import stat -import tempfile - -def _get_root_repo(build_ref_prefix): - system_branch = morphlib.sysbranchdir.open_from_within('.') - root_repo_dir = morphlib.gitdir.GitDirectory( - system_branch.get_git_directory_name( - system_branch.root_repository_url)) - build_branch = morphlib.buildbranch.BuildBranch(system_branch, - build_ref_prefix, - push_temporary=False) - ref = build_branch.root_ref - - return (build_branch.root_ref, root_repo_dir) - -def _get_morph_extension_directory(): - code_dir = os.path.dirname(morphlib.__file__) - return os.path.join(code_dir, 'exts') - -def _list_repo_extension_filenames(build_ref_prefix, - kind): #pragma: no cover - (ref, repo_dir) = _get_root_repo(build_ref_prefix) - files = repo_dir.list_files(ref) - return (f for f in files if os.path.splitext(f)[1] == kind) - -def _list_morph_extension_filenames(kind): - return glob.glob(os.path.join(_get_morph_extension_directory(), - '*' + kind)) - -def _get_extension_name(filename): - return os.path.basename(filename) - -def _get_repo_extension_contents(build_ref_prefix, name, kind): - (ref, repo_dir) = _get_root_repo(build_ref_prefix) - return repo_dir.get_file_from_ref(ref, name + kind) - -def _get_morph_extension_filename(name, kind): - return os.path.join(_get_morph_extension_directory(), name + kind) - -def _is_executable(filename): - st = os.stat(filename) - mask = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH - return (stat.S_IMODE(st.st_mode) & mask) != 0 - -def _list_extensions(build_ref_prefix, kind): - repo_extension_filenames = [] - try: - repo_extension_filenames = \ - _list_repo_extension_filenames(build_ref_prefix, kind) - except (sysbranchdir.NotInSystemBranch): - # Squash this and just return no system branch extensions - pass - morph_extension_filenames = _list_morph_extension_filenames(kind) - - repo_extension_names = \ - (_get_extension_name(f) for f in repo_extension_filenames) - morph_extension_names = \ - (_get_extension_name(f) for f in morph_extension_filenames) - - extension_names = set(repo_extension_names) - extension_names.update(set(morph_extension_names)) - return list(extension_names) - -def list_extensions(build_ref_prefix, kind=None): - """ - List all available extensions by 'kind'. - - 'kind' should be one of '.write' or '.configure'. - If 'kind' is not provided available extensions of both - types will be returned. - """ - if kind: - return _list_extensions(build_ref_prefix, kind) - else: - configure_extensions = _list_extensions(build_ref_prefix, '.configure') - write_extensions = _list_extensions(build_ref_prefix, '.write') - - return configure_extensions + write_extensions - -class get_extension_filename(): - """ - Find the filename of an extension by its 'name' and 'kind'. - - 'kind' should be one of '.configure' or '.write'. - - If the extension is in the build repository then a temporary - file will be created, which will be deleted on exting the with block. - """ - def __init__(self, build_ref_prefix, name, kind): - self.build_ref_prefix = build_ref_prefix - self.name = name - self.kind = kind - self.delete = False - - def __enter__(self): - ext_filename = None - try: - ext_contents = _get_repo_extension_contents(self.build_ref_prefix, - self.name, - self.kind) - except cliapp.AppException, sysbranchdir.NotInSystemBranch: - # Not found: look for it in the Morph code. - ext_filename = _get_morph_extension_filename(self.name, self.kind) - if not os.path.exists(ext_filename): - raise morphlib.Error( - 'Could not find extension %s%s' % (self.name, self.kind)) - if not _is_executable(ext_filename): - raise morphlib.Error( - 'Extension not executable: %s' % ext_filename) - else: - # Found it in the system morphology's repository. - fd, ext_filename = tempfile.mkstemp() - os.write(fd, ext_contents) - os.close(fd) - os.chmod(ext_filename, 0700) - self.delete = True - - self.ext_filename = ext_filename - return ext_filename - - def __exit__(self, type, value, trace): - if self.delete: - os.remove(self.ext_filename) -- cgit v1.2.1