2b44df2294
new "meta_map" attribute which allows to select destination argument name, or to discard unused metadata.
746 lines
31 KiB
Python
746 lines
31 KiB
Python
#!/usr/bin/env python2
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# -*- coding: utf-8 -*-
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# jp: a SàT command line tool
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# Copyright (C) 2009-2018 Jérôme Poisson (goffi@goffi.org)
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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from sat_frontends.jp.constants import Const as C
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from sat.core.i18n import _
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from sat.core import exceptions
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from sat.tools.common import regex
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from sat.tools.common.ansi import ANSI as A
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from sat.tools.common import uri as xmpp_uri
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from sat.tools import config
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from ConfigParser import NoSectionError, NoOptionError
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from collections import namedtuple
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from functools import partial
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import json
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import os
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import os.path
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import time
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import tempfile
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import subprocess
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import glob
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import shlex
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# defaut arguments used for some known editors (editing with metadata)
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VIM_SPLIT_ARGS = "-c 'set nospr|vsplit|wincmd w|next|wincmd w'"
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EMACS_SPLIT_ARGS = '--eval "(split-window-horizontally)"'
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EDITOR_ARGS_MAGIC = {
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'vim': VIM_SPLIT_ARGS + ' {content_file} {metadata_file}',
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'gvim': VIM_SPLIT_ARGS + ' --nofork {content_file} {metadata_file}',
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'emacs': EMACS_SPLIT_ARGS + ' {content_file} {metadata_file}',
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'xemacs': EMACS_SPLIT_ARGS + ' {content_file} {metadata_file}',
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'nano': ' -F {content_file} {metadata_file}',
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}
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SECURE_UNLINK_MAX = 10
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SECURE_UNLINK_DIR = ".backup"
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METADATA_SUFF = '_metadata.json'
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def ansi_ljust(s, width):
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"""ljust method handling ANSI escape codes"""
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cleaned = regex.ansiRemove(s)
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return s + u' ' * (width - len(cleaned))
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def ansi_center(s, width):
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"""ljust method handling ANSI escape codes"""
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cleaned = regex.ansiRemove(s)
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diff = width - len(cleaned)
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half = diff/2
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return half * u' ' + s + (half + diff % 2) * u' '
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def ansi_rjust(s, width):
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"""ljust method handling ANSI escape codes"""
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cleaned = regex.ansiRemove(s)
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return u' ' * (width - len(cleaned)) + s
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def getTmpDir(sat_conf, cat_dir, sub_dir=None):
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"""Return directory used to store temporary files
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@param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration
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@param cat_dir(unicode): directory of the category (e.g. "blog")
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@param sub_dir(str): sub directory where data need to be put
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profile can be used here, or special directory name
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sub_dir will be escaped to be usable in path (use regex.pathUnescape to find
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initial str)
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@return (str): path to the dir
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"""
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local_dir = config.getConfig(sat_conf, '', 'local_dir', Exception)
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path = [local_dir.encode('utf-8'), cat_dir.encode('utf-8')]
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if sub_dir is not None:
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path.append(regex.pathEscape(sub_dir))
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return os.path.join(*path)
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def parse_args(host, cmd_line, **format_kw):
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"""Parse command arguments
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@param cmd_line(unicode): command line as found in sat.conf
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@param format_kw: keywords used for formating
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@return (list(unicode)): list of arguments to pass to subprocess function
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"""
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try:
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# we split the arguments and add the known fields
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# we split arguments first to avoid escaping issues in file names
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return [a.format(**format_kw) for a in shlex.split(cmd_line)]
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except ValueError as e:
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host.disp(u"Couldn't parse editor cmd [{cmd}]: {reason}".format(cmd=cmd_line, reason=e))
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return []
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class BaseEdit(object):
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u"""base class for editing commands
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This class allows to edit file for PubSub or something else.
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It works with temporary files in SàT local_dir, in a "cat_dir" subdir
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"""
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def __init__(self, host, cat_dir, use_metadata=False):
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"""
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@param sat_conf(ConfigParser.ConfigParser): instance opened on sat configuration
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@param cat_dir(unicode): directory to use for drafts
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this will be a sub-directory of SàT's local_dir
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@param use_metadata(bool): True is edition need a second file for metadata
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most of signature change with use_metadata with an additional metadata argument.
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This is done to raise error if a command needs metadata but forget the flag, and vice versa
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"""
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self.host = host
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self.sat_conf = config.parseMainConf()
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self.cat_dir_str = cat_dir.encode('utf-8')
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self.use_metadata = use_metadata
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def secureUnlink(self, path):
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"""Unlink given path after keeping it for a while
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This method is used to prevent accidental deletion of a draft
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If there are more file in SECURE_UNLINK_DIR than SECURE_UNLINK_MAX,
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older file are deleted
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@param path(str): file to unlink
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"""
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if not os.path.isfile(path):
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raise OSError(u"path must link to a regular file")
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if not path.startswith(getTmpDir(self.sat_conf, self.cat_dir_str)):
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self.disp(u"File {} is not in SàT temporary hierarchy, we do not remove it".format(path.decode('utf-8')), 2)
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return
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# we have 2 files per draft with use_metadata, so we double max
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unlink_max = SECURE_UNLINK_MAX * 2 if self.use_metadata else SECURE_UNLINK_MAX
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backup_dir = getTmpDir(self.sat_conf, self.cat_dir_str, SECURE_UNLINK_DIR)
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if not os.path.exists(backup_dir):
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os.makedirs(backup_dir)
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filename = os.path.basename(path)
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backup_path = os.path.join(backup_dir, filename)
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# we move file to backup dir
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self.host.disp(u"Backuping file {src} to {dst}".format(
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src=path.decode('utf-8'), dst=backup_path.decode('utf-8')), 1)
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os.rename(path, backup_path)
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# and if we exceeded the limit, we remove older file
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backup_files = [os.path.join(backup_dir, f) for f in os.listdir(backup_dir)]
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if len(backup_files) > unlink_max:
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backup_files.sort(key=lambda path: os.stat(path).st_mtime)
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for path in backup_files[:len(backup_files) - unlink_max]:
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self.host.disp(u"Purging backup file {}".format(path.decode('utf-8')), 2)
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os.unlink(path)
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def runEditor(self, editor_args_opt, content_file_path,
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content_file_obj, meta_file_path=None, meta_ori=None):
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"""run editor to edit content and metadata
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@param editor_args_opt(unicode): option in [jp] section in configuration for
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specific args
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@param content_file_path(str): path to the content file
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@param content_file_obj(file): opened file instance
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@param meta_file_path(str, None): metadata file path
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if None metadata will not be used
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@param meta_ori(dict, None): original cotent of metadata
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can't be used if use_metadata is False
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"""
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if not self.use_metadata:
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assert meta_file_path is None
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assert meta_ori is None
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# we calculate hashes to check for modifications
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import hashlib
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content_file_obj.seek(0)
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tmp_ori_hash = hashlib.sha1(content_file_obj.read()).digest()
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content_file_obj.close()
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# we prepare arguments
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editor = config.getConfig(self.sat_conf, 'jp', 'editor') or os.getenv('EDITOR', 'vi')
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try:
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# is there custom arguments in sat.conf ?
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editor_args = config.getConfig(self.sat_conf, 'jp', editor_args_opt, Exception)
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except (NoOptionError, NoSectionError):
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# no, we check if we know the editor and have special arguments
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if self.use_metadata:
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editor_args = EDITOR_ARGS_MAGIC.get(os.path.basename(editor), '')
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else:
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editor_args = ''
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parse_kwargs = {'content_file': content_file_path}
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if self.use_metadata:
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parse_kwargs['metadata_file'] = meta_file_path
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args = parse_args(self.host, editor_args, **parse_kwargs)
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if not args:
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args = [content_file_path]
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# actual editing
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editor_exit = subprocess.call([editor] + args)
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# edition will now be checked, and data will be sent if it was a success
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if editor_exit != 0:
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self.disp(u"Editor exited with an error code, so temporary file has not be deleted, and item is not published.\nYou can find temporary file at {path}".format(
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path=content_file_path), error=True)
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else:
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# main content
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try:
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with open(content_file_path, 'rb') as f:
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content = f.read()
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except (OSError, IOError):
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self.disp(u"Can read file at {content_path}, have it been deleted?\nCancelling edition".format(
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content_path=content_file_path), error=True)
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self.host.quit(C.EXIT_NOT_FOUND)
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# metadata
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if self.use_metadata:
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try:
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with open(meta_file_path, 'rb') as f:
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metadata = json.load(f)
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except (OSError, IOError):
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self.disp(u"Can read file at {meta_file_path}, have it been deleted?\nCancelling edition".format(
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content_path=content_file_path, meta_path=meta_file_path), error=True)
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self.host.quit(C.EXIT_NOT_FOUND)
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except ValueError:
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self.disp(u"Can't parse metadata, please check it is correct JSON format. Cancelling edition.\n" +
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"You can find tmp file at {content_path} and temporary meta file at {meta_path}.".format(
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content_path=content_file_path,
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meta_path=meta_file_path), error=True)
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self.host.quit(C.EXIT_DATA_ERROR)
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if self.use_metadata and not C.bool(metadata.get('publish', "true")):
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self.disp(u'Publication blocked by "publish" key in metadata, cancelling edition.\n\n' +
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"temporary file path:\t{content_path}\nmetadata file path:\t{meta_path}".format(
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content_path=content_file_path, meta_path=meta_file_path), error=True)
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self.host.quit()
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if len(content) == 0:
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self.disp(u"Content is empty, cancelling the edition")
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if not content_file_path.startswith(getTmpDir(self.sat_conf, self.cat_dir_str)):
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self.disp(u"File are not in SàT temporary hierarchy, we do not remove them", 2)
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self.host.quit()
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self.disp(u"Deletion of {}".format(content_file_path.decode('utf-8')), 2)
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os.unlink(content_file_path)
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if self.use_metadata:
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self.disp(u"Deletion of {}".format(meta_file_path.decode('utf-8')), 2)
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os.unlink(meta_file_path)
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self.host.quit()
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# time to re-check the hash
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elif (tmp_ori_hash == hashlib.sha1(content).digest() and
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(not self.use_metadata or meta_ori == metadata)):
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self.disp(u"The content has not been modified, cancelling the edition")
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self.host.quit()
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else:
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# we can now send the item
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content = content.decode('utf-8-sig') # we use utf-8-sig to avoid BOM
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try:
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if self.use_metadata:
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self.publish(content, metadata)
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else:
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self.publish(content)
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except Exception as e:
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if self.use_metadata:
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self.disp(u"Error while sending your item, the temporary files have been kept at {content_path} and {meta_path}: {reason}".format(
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content_path=content_file_path, meta_path=meta_file_path, reason=e), error=True)
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else:
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self.disp(u"Error while sending your item, the temporary file has been kept at {content_path}: {reason}".format(
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content_path=content_file_path, reason=e), error=True)
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self.host.quit(1)
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self.secureUnlink(content_file_path)
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if self.use_metadata:
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self.secureUnlink(meta_file_path)
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def publish(self, content):
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# if metadata is needed, publish will be called with it last argument
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raise NotImplementedError
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def getTmpFile(self):
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"""Create a temporary file
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@param suff (str): suffix to use for the filename
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@return (tuple(file, str)): opened (w+b) file object and file path
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"""
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suff = '.' + self.getTmpSuff()
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cat_dir_str = self.cat_dir_str
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tmp_dir = getTmpDir(self.sat_conf, self.cat_dir_str, self.profile.encode('utf-8'))
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if not os.path.exists(tmp_dir):
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try:
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os.makedirs(tmp_dir)
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except OSError as e:
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self.disp(u"Can't create {path} directory: {reason}".format(
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path=tmp_dir, reason=e), error=True)
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self.host.quit(1)
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try:
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fd, path = tempfile.mkstemp(suffix=suff.encode('utf-8'),
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prefix=time.strftime(cat_dir_str + '_%Y-%m-%d_%H:%M:%S_'),
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dir=tmp_dir, text=True)
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return os.fdopen(fd, 'w+b'), path
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except OSError as e:
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self.disp(u"Can't create temporary file: {reason}".format(reason=e), error=True)
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self.host.quit(1)
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def getCurrentFile(self, profile):
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"""Get most recently edited file
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@param profile(unicode): profile linked to the draft
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@return(str): full path of current file
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"""
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# we guess the item currently edited by choosing
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# the most recent file corresponding to temp file pattern
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# in tmp_dir, excluding metadata files
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cat_dir_str = self.cat_dir_str
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tmp_dir = getTmpDir(self.sat_conf, self.cat_dir_str, profile.encode('utf-8'))
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available = [path for path in glob.glob(os.path.join(tmp_dir, cat_dir_str + '_*')) if not path.endswith(METADATA_SUFF)]
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if not available:
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self.disp(u"Could not find any content draft in {path}".format(path=tmp_dir), error=True)
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self.host.quit(1)
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return max(available, key=lambda path: os.stat(path).st_mtime)
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def getItemData(self, service, node, item):
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"""return formatted content, metadata (or not if use_metadata is false), and item id"""
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raise NotImplementedError
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def getTmpSuff(self):
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"""return suffix used for content file"""
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return u'xml'
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def getItemPath(self):
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"""retrieve item path (i.e. service and node) from item argument
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This method is obviously only useful for edition of PubSub based features
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"""
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service = self.args.service
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node = self.args.node
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item = self.args.item
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last_item = self.args.last_item
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if self.args.current:
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# user wants to continue current draft
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content_file_path = self.getCurrentFile(self.profile)
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self.disp(u'Continuing edition of current draft', 2)
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content_file_obj = open(content_file_path, 'r+b')
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# we seek at the end of file in case of an item already exist
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# this will write content of the existing item at the end of the draft.
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# This way no data should be lost.
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content_file_obj.seek(0, os.SEEK_END)
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elif self.args.draft_path:
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# there is an existing draft that we use
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content_file_path = os.path.expanduser(self.args.item)
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content_file_obj = open(content_file_path, 'r+b')
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# we seek at the end for the same reason as above
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content_file_obj.seek(0, os.SEEK_END)
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else:
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# we need a temporary file
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content_file_obj, content_file_path = self.getTmpFile()
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if item or last_item:
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self.disp(u'Editing requested published item', 2)
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try:
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if self.use_metadata:
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content, metadata, item = self.getItemData(service, node, item)
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else:
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content, item = self.getItemData(service, node, item)
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except Exception as e:
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# FIXME: ugly but we have not good may to check errors in bridge
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if u'item-not-found' in unicode(e):
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# item doesn't exist, we create a new one with requested id
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metadata = None
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if last_item:
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self.disp(_(u'no item found at all, we create a new one'), 2)
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else:
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self.disp(_(u'item "{item_id}" not found, we create a new item with this id').format(item_id=item), 2)
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content_file_obj.seek(0)
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else:
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self.disp(u"Error while retrieving item: {}".format(e))
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self.host.quit(C.EXIT_ERROR)
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else:
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# item exists, we write content
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if content_file_obj.tell() != 0:
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# we already have a draft,
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# we copy item content after it and add an indicator
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content_file_obj.write('\n*****\n')
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content_file_obj.write(content.encode('utf-8'))
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content_file_obj.seek(0)
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self.disp(_(u'item "{item_id}" found, we edit it').format(item_id=item), 2)
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else:
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self.disp(u'Editing a new item', 2)
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if self.use_metadata:
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metadata = None
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|
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if self.use_metadata:
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return service, node, item, content_file_path, content_file_obj, metadata
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else:
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return service, node, item, content_file_path, content_file_obj
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class Table(object):
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def __init__(self, host, data, headers=None, filters=None, use_buffer=False):
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"""
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@param data(iterable[list]): table data
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all lines must have the same number of columns
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@param headers(iterable[unicode], None): names/titles of the columns
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if not None, must have same number of columns as data
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@param filters(iterable[(callable, unicode)], None): values filters
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the callable will get col value as argument and must return a string
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if it's unicode, it will be used with .format and must countain u'{}' which will be replaced with the string
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if not None, must have same number of columns as data
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@param use_buffer(bool): if True, bufferise output instead of printing it directly
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"""
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self.host = host
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self._buffer = [] if use_buffer else None
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# headers are columns names/titles, can be None
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self.headers = headers
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# sizes fof columns without headers,
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# headers may be larger
|
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self.sizes = []
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# rows countains one list per row with columns values
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self.rows = []
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size = None
|
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if headers:
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row_cls = namedtuple('RowData', headers)
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else:
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row_cls = tuple
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|
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for row_data in data:
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new_row = []
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row_data_list = list(row_data)
|
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for idx, value in enumerate(row_data_list):
|
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if filters is not None and filters[idx] is not None:
|
||
filter_ = filters[idx]
|
||
if isinstance(filter_, basestring):
|
||
col_value = filter_.format(value)
|
||
else:
|
||
col_value = filter_(value, row_cls(*row_data_list))
|
||
# we count size without ANSI code as they will change length of the string
|
||
# when it's mostly style/color changes.
|
||
col_size = len(regex.ansiRemove(col_value))
|
||
else:
|
||
col_value = unicode(value)
|
||
col_size = len(col_value)
|
||
new_row.append(col_value)
|
||
if size is None:
|
||
self.sizes.append(col_size)
|
||
else:
|
||
self.sizes[idx] = max(self.sizes[idx], col_size)
|
||
if size is None:
|
||
size = len(new_row)
|
||
if headers is not None and len(headers) != size:
|
||
raise exceptions.DataError(u'headers size is not coherent with rows')
|
||
else:
|
||
if len(new_row) != size:
|
||
raise exceptions.DataError(u'rows size is not coherent')
|
||
self.rows.append(new_row)
|
||
|
||
if not data and headers is not None:
|
||
# the table is empty, we print headers at their lenght
|
||
self.sizes = [len(h) for h in headers]
|
||
|
||
@property
|
||
def string(self):
|
||
if self._buffer is None:
|
||
raise exceptions.InternalError(u'buffer must be used to get a string')
|
||
return u'\n'.join(self._buffer)
|
||
|
||
@staticmethod
|
||
def readDictValues(data, keys, defaults=None):
|
||
if defaults is None:
|
||
defaults = {}
|
||
for key in keys:
|
||
try:
|
||
yield data[key]
|
||
except KeyError as e:
|
||
default = defaults.get(key)
|
||
if default is not None:
|
||
yield default
|
||
else:
|
||
raise e
|
||
|
||
@classmethod
|
||
def fromDict(cls, host, data, keys=None, headers=None, filters=None, defaults=None):
|
||
"""Prepare a table to display it
|
||
|
||
the whole data will be read and kept into memory,
|
||
to be printed
|
||
@param data(list[dict[unicode, unicode]]): data to create the table from
|
||
@param keys(iterable[unicode], None): keys to get
|
||
if None, all keys will be used
|
||
@param headers(iterable[unicode], None): name of the columns
|
||
names must be in same order as keys
|
||
@param filters(dict[unicode, (callable,unicode)), None): filter to use on values
|
||
keys correspond to keys to filter, and value is a callable or unicode which
|
||
will get the value as argument and must return a string
|
||
@param defaults(dict[unicode, unicode]): default value to use
|
||
if None, an exception will be raised if not value is found
|
||
"""
|
||
if keys is None and headers is not None:
|
||
# FIXME: keys are not needed with OrderedDict,
|
||
raise exceptions.DataError(u'You must specify keys order to used headers')
|
||
if keys is None:
|
||
keys = data[0].keys()
|
||
if headers is None:
|
||
headers = keys
|
||
filters = [filters.get(k) for k in keys]
|
||
return cls(host, (cls.readDictValues(d, keys, defaults) for d in data), headers, filters)
|
||
|
||
def _headers(self, head_sep, headers, sizes, alignment=u'left', style=None):
|
||
"""Render headers
|
||
|
||
@param head_sep(unicode): sequence to use as separator
|
||
@param alignment(unicode): how to align, can be left, center or right
|
||
@param style(unicode, iterable[unicode], None): ANSI escape sequences to apply
|
||
@param headers(list[unicode]): headers to show
|
||
@param sizes(list[int]): sizes of columns
|
||
"""
|
||
rendered_headers = []
|
||
if isinstance(style, basestring):
|
||
style = [style]
|
||
for idx, header in enumerate(headers):
|
||
size = sizes[idx]
|
||
if alignment == u'left':
|
||
rendered = header[:size].ljust(size)
|
||
elif alignment == u'center':
|
||
rendered = header[:size].center(size)
|
||
elif alignment == u'right':
|
||
rendered = header[:size].rjust(size)
|
||
else:
|
||
raise exceptions.InternalError(u'bad alignment argument')
|
||
if style:
|
||
args = style + [rendered]
|
||
rendered = A.color(*args)
|
||
rendered_headers.append(rendered)
|
||
return head_sep.join(rendered_headers)
|
||
|
||
def _disp(self, data):
|
||
"""output data (can be either bufferised or printed)"""
|
||
if self._buffer is not None:
|
||
self._buffer.append(data)
|
||
else:
|
||
self.host.disp(data)
|
||
|
||
def display(self,
|
||
head_alignment = u'left',
|
||
columns_alignment = u'left',
|
||
head_style = None,
|
||
show_header=True,
|
||
show_borders=True,
|
||
hide_cols=None,
|
||
col_sep=u' │ ',
|
||
top_left=u'┌',
|
||
top=u'─',
|
||
top_sep=u'─┬─',
|
||
top_right=u'┐',
|
||
left=u'│',
|
||
right=None,
|
||
head_sep=None,
|
||
head_line=u'┄',
|
||
head_line_left=u'├',
|
||
head_line_sep=u'┄┼┄',
|
||
head_line_right=u'┤',
|
||
bottom_left=u'└',
|
||
bottom=None,
|
||
bottom_sep=u'─┴─',
|
||
bottom_right=u'┘',
|
||
):
|
||
"""Print the table
|
||
|
||
@param show_header(bool): True if header need no be shown
|
||
@param show_borders(bool): True if borders need no be shown
|
||
@param hide_cols(None, iterable(unicode)): columns which should not be displayed
|
||
@param head_alignment(unicode): how to align headers, can be left, center or right
|
||
@param columns_alignment(unicode): how to align columns, can be left, center or right
|
||
@param col_sep(unicode): separator betweens columns
|
||
@param head_line(unicode): character to use to make line under head
|
||
@param disp(callable, None): method to use to display the table
|
||
None to use self.host.disp
|
||
"""
|
||
if not self.sizes:
|
||
# the table is empty
|
||
return
|
||
col_sep_size = len(regex.ansiRemove(col_sep))
|
||
|
||
# if we have columns to hide, we remove them from headers and size
|
||
if not hide_cols:
|
||
headers = self.headers
|
||
sizes = self.sizes
|
||
else:
|
||
headers = list(self.headers)
|
||
sizes = self.sizes[:]
|
||
ignore_idx = [headers.index(to_hide) for to_hide in hide_cols]
|
||
for to_hide in hide_cols:
|
||
hide_idx = headers.index(to_hide)
|
||
del headers[hide_idx]
|
||
del sizes[hide_idx]
|
||
|
||
if right is None:
|
||
right = left
|
||
if top_sep is None:
|
||
top_sep = col_sep_size * top
|
||
if head_sep is None:
|
||
head_sep = col_sep
|
||
if bottom is None:
|
||
bottom = top
|
||
if bottom_sep is None:
|
||
bottom_sep = col_sep_size * bottom
|
||
if not show_borders:
|
||
left = right = head_line_left = head_line_right = u''
|
||
# top border
|
||
if show_borders:
|
||
self._disp(
|
||
top_left
|
||
+ top_sep.join([top*size for size in sizes])
|
||
+ top_right
|
||
)
|
||
|
||
# headers
|
||
if show_header:
|
||
self._disp(
|
||
left
|
||
+ self._headers(head_sep, headers, sizes, head_alignment, head_style)
|
||
+ right
|
||
)
|
||
# header line
|
||
self._disp(
|
||
head_line_left
|
||
+ head_line_sep.join([head_line*size for size in sizes])
|
||
+ head_line_right
|
||
)
|
||
|
||
# content
|
||
if columns_alignment == u'left':
|
||
alignment = lambda idx, s: ansi_ljust(s, sizes[idx])
|
||
elif columns_alignment == u'center':
|
||
alignment = lambda idx, s: ansi_center(s, sizes[idx])
|
||
elif columns_alignment == u'right':
|
||
alignment = lambda idx, s: ansi_rjust(s, sizes[idx])
|
||
else:
|
||
raise exceptions.InternalError(u'bad columns alignment argument')
|
||
|
||
for row in self.rows:
|
||
if hide_cols:
|
||
row = [v for idx,v in enumerate(row) if idx not in ignore_idx]
|
||
self._disp(left + col_sep.join([alignment(idx,c) for idx,c in enumerate(row)]) + right)
|
||
|
||
if show_borders:
|
||
# bottom border
|
||
self._disp(
|
||
bottom_left
|
||
+ bottom_sep.join([bottom*size for size in sizes])
|
||
+ bottom_right
|
||
)
|
||
# we return self so string can be used after display (table.display().string)
|
||
return self
|
||
|
||
def display_blank(self, **kwargs):
|
||
"""Display table without visible borders"""
|
||
kwargs_ = {'col_sep':u' ', 'head_line_sep':u' ', 'show_borders':False}
|
||
kwargs_.update(kwargs)
|
||
return self.display(**kwargs_)
|
||
|
||
|
||
class URIFinder(object):
|
||
"""Helper class to find URIs in well-known locations"""
|
||
|
||
def __init__(self, command, path, key, callback, meta_map=None):
|
||
"""
|
||
@param command(CommandBase): command instance
|
||
args of this instance will be updated with found values
|
||
@param path(unicode): absolute path to use as a starting point to look for URIs
|
||
@param key(unicode): key to look for
|
||
@param callback(callable): method to call once URIs are found (or not)
|
||
@param meta_map(dict, None): if not None, map metadata to arg name
|
||
key is metadata used attribute name
|
||
value is name to actually use, or None to ignore
|
||
use empty dict to only retrieve URI
|
||
possible keys are currently:
|
||
- labels
|
||
"""
|
||
if not command.args.service and not command.args.node:
|
||
self.host = command.host
|
||
self.args = command.args
|
||
self.key = key
|
||
self.callback = callback
|
||
self.meta_map = meta_map
|
||
self.host.bridge.URIFind(path,
|
||
[key],
|
||
callback=self.URIFindCb,
|
||
errback=partial(command.errback,
|
||
msg=_(u"can't find " + key + u" URI: {}"),
|
||
exit_code=C.EXIT_BRIDGE_ERRBACK))
|
||
else:
|
||
callback()
|
||
|
||
def setMetadataList(self, uri_data, key):
|
||
"""Helper method to set list of values from metadata
|
||
|
||
@param uri_data(dict): data of the found URI
|
||
@param key(unicode): key of the value to retrieve
|
||
"""
|
||
new_values_json = uri_data.get(key)
|
||
if uri_data is not None:
|
||
if self.meta_map is None:
|
||
dest = key
|
||
else:
|
||
dest = self.meta_map.get(key)
|
||
if dest is None:
|
||
return
|
||
|
||
try:
|
||
values = getattr(self.args, key)
|
||
except AttributeError:
|
||
raise exceptions.InternalError(u'there is no "{key}" arguments'.format(
|
||
key=key))
|
||
else:
|
||
if values is None:
|
||
values = []
|
||
values.extend(json.loads(new_values_json))
|
||
setattr(self.args, dest, values)
|
||
|
||
|
||
def URIFindCb(self, uris_data):
|
||
try:
|
||
uri_data = uris_data[self.key]
|
||
except KeyError:
|
||
self.host.disp(_(u"No {key} URI specified for this project, please specify service and node").format(key=self.key), error=True)
|
||
self.host.quit(C.EXIT_NOT_FOUND)
|
||
else:
|
||
uri = uri_data[u'uri']
|
||
|
||
self.setMetadataList(uri_data, u'labels')
|
||
parsed_uri = xmpp_uri.parseXMPPUri(uri)
|
||
try:
|
||
self.args.service = parsed_uri[u'path']
|
||
self.args.node = parsed_uri[u'node']
|
||
except KeyError:
|
||
self.host.disp(_(u"Invalid URI found: {uri}").format(uri=uri), error=True)
|
||
self.host.quit(C.EXIT_DATA_ERROR)
|
||
self.callback()
|