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How to use command_capabilities method in avocado

Best Python code snippet using avocado_python

git-remote-gemini

Source:git-remote-gemini

...107		if not parts: error("malformed command input from git")108		if hasattr(self,f"command_{parts[0]}"):109			return getattr(self,f"command_{parts[0]}")(*parts[1:])110		else: error(f"unknown command '{parts[0]}' from git")111	def command_capabilities(self):112		"""Returns the capabilities we provide. We only provide `fetch`, so... yeah."""113		yield 'fetch'114		yield ''115	def get_hash_algo(self,sample):116		if len(sample)==40:117			return hashlib.sha1118		if len(sample)==64:119			return hashlib.sha256120		return None121	def get_hash_algo_name(self,algo):122		return algo.__name__.rsplit("_",1)[1]123	def get_refs(self):124		info_refs = self.fetch("/info/refs")125		try:...

ova.py

Source:ova.py

1# Copyright (c) 2018 Eaton.  All rights reserved.2#3# This file is part of kiwi.4#5# kiwi is free software: you can redistribute it and/or modify6# it under the terms of the GNU General Public License as published by7# the Free Software Foundation, either version 3 of the License, or8# (at your option) any later version.9#10# kiwi is distributed in the hope that it will be useful,11# but WITHOUT ANY WARRANTY; without even the implied warranty of12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the13# GNU General Public License for more details.14#15# You should have received a copy of the GNU General Public License16# along with kiwi.  If not, see <http://www.gnu.org/licenses/>17#18import os19import stat20from textwrap import dedent21# project22from kiwi.storage.subformat.vmdk import DiskFormatVmdk23from kiwi.storage.subformat.base import DiskFormatBase24from kiwi.command import Command25from kiwi.utils.command_capabilities import CommandCapabilities26from kiwi.path import Path27from kiwi.system.result import Result28from kiwi.exceptions import (29    KiwiFormatSetupError,30    KiwiCommandNotFound31)32class DiskFormatOva(DiskFormatBase):33    """34    **Create ova disk format, based on vmdk**35    """36    def post_init(self, custom_args: dict) -> None:37        """38        vmdk disk format post initialization method39        Store qemu options as list from custom args dict40        :param dict custom_args: custom qemu arguments dictionary41        """42        ovftype = self.xml_state.get_build_type_machine_section().get_ovftype()43        if ovftype != 'vmware':44            raise KiwiFormatSetupError('Unsupported ovftype %s' % ovftype)45        self.image_format = 'ova'46        self.options = self.get_qemu_option_list(custom_args)47        self.vmdk = DiskFormatVmdk(48            self.xml_state, self.root_dir, self.target_dir, custom_args49        )50    def create_image_format(self) -> None:51        """52        Create ova disk format using ovftool from53        https://www.vmware.com/support/developer/ovf54        """55        # Check for required ovftool56        ovftool = Path.which(filename='ovftool', access_mode=os.X_OK)57        if not ovftool:58            tool_not_found_message = dedent('''\n59                Required tool {0} not found in PATH on the build host60                Building OVA images requires VMware's {0} tool which61                can be installed from the following location62                https://www.vmware.com/support/developer/ovf63            ''')64            raise KiwiCommandNotFound(65                tool_not_found_message.format(ovftool)66            )67        # Create the vmdk disk image and vmx config68        self.vmdk.create_image_format()69        # Convert to ova using ovftool70        vmx = self.get_target_file_path_for_format('vmx')71        ova = self.get_target_file_path_for_format('ova')72        try:73            os.unlink(ova)74        except OSError:75            pass76        ovftool_options = []77        if CommandCapabilities.has_option_in_help(78            ovftool, '--shaAlgorithm', raise_on_error=False79        ):80            ovftool_options.append('--shaAlgorithm=SHA1')81        Command.run(82            [ovftool] + ovftool_options + [vmx, ova]83        )84        # ovftool ignores the umask and creates files with 060085        # apply file permission bits set in the vmx file to the86        # ova file87        st = os.stat(vmx)88        os.chmod(ova, stat.S_IMODE(st.st_mode))89    def store_to_result(self, result: Result) -> None:90        """91        Store the resulting ova file into the provided result instance.92        :param object result: Instance of Result93        """94        result.add(95            key='disk_format_image',96            filename=self.get_target_file_path_for_format('ova'),97            use_for_bundle=True,98            compress=self.runtime_config.get_bundle_compression(99                default=False100            ),101            shasum=True...

loop_device.py

Source:loop_device.py

1# Copyright (c) 2015 SUSE Linux GmbH.  All rights reserved.2#3# This file is part of kiwi.4#5# kiwi is free software: you can redistribute it and/or modify6# it under the terms of the GNU General Public License as published by7# the Free Software Foundation, either version 3 of the License, or8# (at your option) any later version.9#10# kiwi is distributed in the hope that it will be useful,11# but WITHOUT ANY WARRANTY; without even the implied warranty of12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the13# GNU General Public License for more details.14#15# You should have received a copy of the GNU General Public License16# along with kiwi.  If not, see <http://www.gnu.org/licenses/>17#18import os19import logging20# project21from kiwi.command import Command22from kiwi.storage.device_provider import DeviceProvider23from kiwi.utils.command_capabilities import CommandCapabilities24from kiwi.exceptions import (25    KiwiLoopSetupError26)27log = logging.getLogger('kiwi')28class LoopDevice(DeviceProvider):29    """30    **Create and manage loop device file for block operations**31    :param string filename: loop file name to create32    :param int filesize_mbytes: size of the loop file33    :param int blocksize_bytes: blocksize used in loop driver34    """35    def __init__(36        self, filename: str, filesize_mbytes: int = None,37        blocksize_bytes: int = None38    ):39        self.node_name = ''40        if not os.path.exists(filename) and not filesize_mbytes:41            raise KiwiLoopSetupError(42                'Can not create loop file without a size'43            )44        self.filename = filename45        self.filesize_mbytes = filesize_mbytes46        self.blocksize_bytes = blocksize_bytes47    def get_device(self) -> str:48        """49        Device node name50        :return: device node name51        :rtype: str52        """53        return self.node_name54    def is_loop(self) -> bool:55        """56        Always True57        :return: True58        :rtype: bool59        """60        return True61    def create(self, overwrite: bool = True):62        """63        Setup a loop device of the blocksize given in the constructor64        The file to loop is created with the size specified in the65        constructor unless an existing one should not be overwritten66        :param bool overwrite: overwrite existing file to loop67        """68        if overwrite:69            qemu_img_size = format(self.filesize_mbytes) + 'M'70            Command.run(71                ['qemu-img', 'create', self.filename, qemu_img_size]72            )73        loop_options = []74        if self.blocksize_bytes and self.blocksize_bytes != 512:75            if CommandCapabilities.has_option_in_help(76                'losetup', '--sector-size', raise_on_error=False77            ):78                loop_options.append('--sector-size')79            else:80                loop_options.append('--logical-blocksize')81            loop_options.append(format(self.blocksize_bytes))82        loop_call = Command.run(83            ['losetup'] + loop_options + ['-f', '--show', self.filename]84        )85        self.node_name = loop_call.output.rstrip(os.linesep)86    def __del__(self):87        if self.node_name:88            log.info('Cleaning up %s instance', type(self).__name__)89            try:90                Command.run(['losetup', '-d', self.node_name])91            except Exception:92                log.warning(93                    'loop device %s still busy', self.node_name...

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