mirror of
https://github.com/ARM-software/workload-automation.git
synced 2025-02-20 20:09:11 +00:00
utils: Removed utils code that is also in devlib
Since WA3 is now very much dependant on devlib there is no need to duplicate utility code between the two projects. Quite a few of the modules aren't even needed by WA because they were for communicating with devices.
This commit is contained in:
Sebastian Goscik
parent
0057a531fd
commit
2d3254470c
@ -12,5 +12,3 @@
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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@ -28,37 +28,7 @@ import re
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from wlauto.exceptions import DeviceError, ConfigError, HostError
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from wlauto.utils.misc import check_output, escape_single_quotes, escape_double_quotes, get_null
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MAX_TRIES = 5
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logger = logging.getLogger('android')
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# See:
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# http://developer.android.com/guide/topics/manifest/uses-sdk-element.html#ApiLevels
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ANDROID_VERSION_MAP = {
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22: 'LOLLIPOP_MR1',
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21: 'LOLLIPOP',
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20: 'KITKAT_WATCH',
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19: 'KITKAT',
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18: 'JELLY_BEAN_MR2',
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17: 'JELLY_BEAN_MR1',
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16: 'JELLY_BEAN',
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15: 'ICE_CREAM_SANDWICH_MR1',
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14: 'ICE_CREAM_SANDWICH',
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13: 'HONEYCOMB_MR2',
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12: 'HONEYCOMB_MR1',
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11: 'HONEYCOMB',
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10: 'GINGERBREAD_MR1',
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9: 'GINGERBREAD',
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8: 'FROYO',
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7: 'ECLAIR_MR1',
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6: 'ECLAIR_0_1',
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5: 'ECLAIR',
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4: 'DONUT',
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3: 'CUPCAKE',
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2: 'BASE_1_1',
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1: 'BASE',
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}
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from devlib.utils.android import ANDROID_VERSION_MAP, adb_command, ApkInfo
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# See:
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# http://developer.android.com/guide/topics/security/normal-permissions.html
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@ -97,311 +67,3 @@ ANDROID_NORMAL_PERMISSIONS = [
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'INSTALL_SHORTCUT',
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'UNINSTALL_SHORTCUT',
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]
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# TODO: these are set to their actual values near the bottom of the file. There
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# is some HACKery involved to ensure that ANDROID_HOME does not need to be set
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# or adb added to path for root when installing as root, and the whole
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# implemenationt is kinda clunky and messier than I'd like. The only file that
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# rivals this one in levels of mess is bootstrap.py (for very much the same
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# reasons). There must be a neater way to ensure that enviromental dependencies
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# are met when they are needed, and are not imposed when they are not.
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android_home = None
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platform_tools = None
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adb = None
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aapt = None
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fastboot = None
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class _AndroidEnvironment(object):
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def __init__(self):
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self.android_home = None
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self.platform_tools = None
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self.adb = None
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self.aapt = None
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self.fastboot = None
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class AndroidProperties(object):
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def __init__(self, text):
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self._properties = {}
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self.parse(text)
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def parse(self, text):
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self._properties = dict(re.findall(r'\[(.*?)\]:\s+\[(.*?)\]', text))
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def __iter__(self):
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return iter(self._properties)
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def __getattr__(self, name):
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return self._properties.get(name)
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__getitem__ = __getattr__
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class ApkInfo(object):
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version_regex = re.compile(r"name='(?P<name>[^']+)' versionCode='(?P<vcode>[^']+)' versionName='(?P<vname>[^']+)'")
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name_regex = re.compile(r"name='(?P<name>[^']+)'")
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def __init__(self, path=None):
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self.path = path
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self.package = None
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self.activity = None
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self.label = None
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self.version_name = None
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self.version_code = None
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self.parse(path)
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def parse(self, apk_path):
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_check_env()
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command = [aapt, 'dump', 'badging', apk_path]
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logger.debug(' '.join(command))
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output = subprocess.check_output(command)
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for line in output.split('\n'):
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if line.startswith('application-label:'):
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self.label = line.split(':')[1].strip().replace('\'', '')
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elif line.startswith('package:'):
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match = self.version_regex.search(line)
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if match:
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self.package = match.group('name')
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self.version_code = match.group('vcode')
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self.version_name = match.group('vname')
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elif line.startswith('launchable-activity:'):
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match = self.name_regex.search(line)
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self.activity = match.group('name')
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else:
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pass # not interested
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def fastboot_command(command, timeout=None):
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_check_env()
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full_command = "fastboot {}".format(command)
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logger.debug(full_command)
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output, _ = check_output(full_command, timeout, shell=True)
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return output
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def fastboot_flash_partition(partition, path_to_image):
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command = 'flash {} {}'.format(partition, path_to_image)
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fastboot_command(command)
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def adb_get_device():
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"""
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Returns the serial number of a connected android device.
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If there are more than one device connected to the machine, or it could not
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find any device connected, :class:`wlauto.exceptions.ConfigError` is raised.
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"""
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_check_env()
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# TODO this is a hacky way to issue a adb command to all listed devices
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# The output of calling adb devices consists of a heading line then
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# a list of the devices sperated by new line
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# The last line is a blank new line. in otherwords, if there is a device found
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# then the output length is 2 + (1 for each device)
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output = adb_command('0', "devices").splitlines() # pylint: disable=E1103
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output_length = len(output)
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if output_length == 3:
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# output[1] is the 2nd line in the output which has the device name
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# Splitting the line by '\t' gives a list of two indexes, which has
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# device serial in 0 number and device type in 1.
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return output[1].split('\t')[0]
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elif output_length > 3:
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raise ConfigError('Number of discovered devices is {}, it should be 1'.format(output_length - 2))
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else:
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raise ConfigError('No device is connected and available')
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def adb_connect(device, timeout=None):
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_check_env()
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command = "adb connect " + device
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if ":" in device:
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port = device.split(':')[-1]
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logger.debug(command)
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output, _ = check_output(command, shell=True, timeout=timeout)
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logger.debug(output)
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#### due to a rare adb bug sometimes an extra :5555 is appended to the IP address
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if output.find('{}:{}'.format(port, port)) != -1:
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logger.debug('ADB BUG with extra port')
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command = "adb connect " + device.replace(':{}'.format(port), '')
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tries = 0
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output = None
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while not poll_for_file(device, "/proc/cpuinfo"):
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logger.debug("adb connect failed, retrying now...")
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tries += 1
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if tries > MAX_TRIES:
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raise DeviceError('Cannot connect to adb server on the device.')
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logger.debug(command)
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output, _ = check_output(command, shell=True, timeout=timeout)
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time.sleep(10)
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if tries and output.find('connected to') == -1:
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raise DeviceError('Could not connect to {}'.format(device))
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def adb_disconnect(device):
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_check_env()
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if ":5555" in device:
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command = "adb disconnect " + device
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logger.debug(command)
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retval = subprocess.call(command, stdout=open(os.devnull, 'wb'), shell=True)
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if retval:
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raise DeviceError('"{}" returned {}'.format(command, retval))
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def poll_for_file(device, dfile):
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_check_env()
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device_string = '-s {}'.format(device) if device else ''
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command = "adb " + device_string + " shell \" if [ -f " + dfile + " ] ; then true ; else false ; fi\" "
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logger.debug(command)
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result = subprocess.call(command, stderr=subprocess.PIPE, shell=True)
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return not bool(result)
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am_start_error = re.compile(r"Error: Activity class {[\w|.|/]*} does not exist")
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def adb_shell(device, command, timeout=None, check_exit_code=False, as_root=False): # NOQA
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_check_env()
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if as_root:
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command = 'echo \'{}\' | su'.format(escape_single_quotes(command))
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device_string = '-s {}'.format(device) if device else ''
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full_command = 'adb {} shell "{}"'.format(device_string, escape_double_quotes(command))
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logger.debug(full_command)
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if check_exit_code:
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actual_command = "adb {} shell '({}); echo; echo $?'".format(device_string, escape_single_quotes(command))
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raw_output, error = check_output(actual_command, timeout, shell=True)
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if raw_output:
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try:
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output, exit_code, _ = raw_output.rsplit('\r\n', 2)
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except ValueError:
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exit_code, _ = raw_output.rsplit('\r\n', 1)
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output = ''
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else: # raw_output is empty
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exit_code = '969696' # just because
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output = ''
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exit_code = exit_code.strip()
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if exit_code.isdigit():
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if int(exit_code):
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message = 'Got exit code {}\nfrom: {}\nSTDOUT: {}\nSTDERR: {}'.format(exit_code, full_command,
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output, error)
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raise DeviceError(message)
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elif am_start_error.findall(output):
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message = 'Could not start activity; got the following:'
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message += '\n{}'.format(am_start_error.findall(output)[0])
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raise DeviceError(message)
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else: # not all digits
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if am_start_error.findall(output):
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message = 'Could not start activity; got the following:'
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message += '\n{}'.format(am_start_error.findall(output)[0])
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raise DeviceError(message)
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else:
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raise DeviceError('adb has returned early; did not get an exit code. Was kill-server invoked?')
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else: # do not check exit code
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output, _ = check_output(full_command, timeout, shell=True)
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return output
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def adb_background_shell(device, command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, as_root=False):
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"""Runs the sepcified command in a subprocess, returning the the Popen object."""
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_check_env()
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if as_root:
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command = 'echo \'{}\' | su'.format(escape_single_quotes(command))
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device_string = '-s {}'.format(device) if device else ''
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full_command = 'adb {} shell "{}"'.format(device_string, escape_double_quotes(command))
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logger.debug(full_command)
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return subprocess.Popen(full_command, stdout=stdout, stderr=stderr, shell=True)
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class AdbDevice(object):
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def __init__(self, name, status):
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self.name = name
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self.status = status
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def __cmp__(self, other):
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if isinstance(other, AdbDevice):
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return cmp(self.name, other.name)
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else:
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return cmp(self.name, other)
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def adb_list_devices():
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_check_env()
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output = adb_command(None, 'devices')
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devices = []
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for line in output.splitlines():
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parts = [p.strip() for p in line.split()]
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if len(parts) == 2:
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devices.append(AdbDevice(*parts))
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return devices
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def adb_command(device, command, timeout=None):
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_check_env()
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device_string = '-s {}'.format(device) if device else ''
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full_command = "adb {} {}".format(device_string, command)
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logger.debug(full_command)
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output, _ = check_output(full_command, timeout, shell=True)
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return output
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# Messy environment initialisation stuff...
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def _initialize_with_android_home(env):
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logger.debug('Using ANDROID_HOME from the environment.')
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env.android_home = android_home
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env.platform_tools = os.path.join(android_home, 'platform-tools')
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os.environ['PATH'] += os.pathsep + env.platform_tools
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_init_common(env)
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return env
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def _initialize_without_android_home(env):
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if os.name == 'nt':
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raise HostError('Please set ANDROID_HOME to point to the location of the Android SDK.')
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# Assuming Unix in what follows.
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if subprocess.call('adb version >{}'.format(get_null()), shell=True):
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raise HostError('ANDROID_HOME is not set and adb is not in PATH. Have you installed Android SDK?')
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logger.debug('Discovering ANDROID_HOME from adb path.')
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env.platform_tools = os.path.dirname(subprocess.check_output('which adb', shell=True))
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env.android_home = os.path.dirname(env.platform_tools)
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_init_common(env)
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return env
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def _init_common(env):
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logger.debug('ANDROID_HOME: {}'.format(env.android_home))
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build_tools_directory = os.path.join(env.android_home, 'build-tools')
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if not os.path.isdir(build_tools_directory):
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msg = 'ANDROID_HOME ({}) does not appear to have valid Android SDK install (cannot find build-tools)'
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raise HostError(msg.format(env.android_home))
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versions = os.listdir(build_tools_directory)
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for version in reversed(sorted(versions)):
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aapt_path = os.path.join(build_tools_directory, version, 'aapt')
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if os.path.isfile(aapt_path):
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logger.debug('Using aapt for version {}'.format(version))
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env.aapt = aapt_path
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break
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else:
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raise HostError('aapt not found. Please make sure at least one Android platform is installed.')
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def _check_env():
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global android_home, platform_tools, adb, aapt # pylint: disable=W0603
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if not android_home:
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android_home = os.getenv('ANDROID_HOME')
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if android_home:
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_env = _initialize_with_android_home(_AndroidEnvironment())
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else:
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_env = _initialize_without_android_home(_AndroidEnvironment())
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android_home = _env.android_home
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platform_tools = _env.platform_tools
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adb = _env.adb
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aapt = _env.aapt
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@ -43,31 +43,20 @@ from distutils.spawn import find_executable
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import yaml
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from dateutil import tz
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# ABI --> architectures list
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ABI_MAP = {
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'armeabi': ['armeabi', 'armv7', 'armv7l', 'armv7el', 'armv7lh'],
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'arm64': ['arm64', 'armv8', 'arm64-v8a', 'aarch64'],
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}
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def preexec_function():
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# Ignore the SIGINT signal by setting the handler to the standard
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# signal handler SIG_IGN.
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signal.signal(signal.SIGINT, signal.SIG_IGN)
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# Change process group in case we have to kill the subprocess and all of
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# its children later.
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# TODO: this is Unix-specific; would be good to find an OS-agnostic way
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# to do this in case we wanna port WA to Windows.
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os.setpgrp()
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from devlib.utils.misc import ABI_MAP, check_output, walk_modules, \
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ensure_directory_exists, ensure_file_directory_exists, \
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merge_dicts, merge_lists, normalize, convert_new_lines, \
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escape_quotes, escape_single_quotes, escape_double_quotes, \
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isiterable, getch, as_relative, ranges_to_list, \
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list_to_ranges, list_to_mask, mask_to_list, which, \
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get_cpu_mask, unique
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check_output_logger = logging.getLogger('check_output')
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# Defined here rather than in wlauto.exceptions due to module load dependencies
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class TimeoutError(Exception):
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"""Raised when a subprocess command times out. This is basically a ``WAError``-derived version
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"""Raised when a subprocess command times out. This is basically a ``WAError``-derived version{}
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of ``subprocess.CalledProcessError``, the thinking being that while a timeout could be due to
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programming error (e.g. not setting long enough timers), it is often due to some failure in the
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environment, and there fore should be classed as a "user error"."""
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@ -81,86 +70,6 @@ class TimeoutError(Exception):
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return '\n'.join([self.message, 'OUTPUT:', self.output or ''])
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def check_output(command, timeout=None, ignore=None, **kwargs):
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"""This is a version of subprocess.check_output that adds a timeout parameter to kill
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the subprocess if it does not return within the specified time."""
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# pylint: disable=too-many-branches
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if ignore is None:
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ignore = []
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elif isinstance(ignore, int):
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ignore = [ignore]
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elif not isinstance(ignore, list) and ignore != 'all':
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message = 'Invalid value for ignore parameter: "{}"; must be an int or a list'
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raise ValueError(message.format(ignore))
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if 'stdout' in kwargs:
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raise ValueError('stdout argument not allowed, it will be overridden.')
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def callback(pid):
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try:
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check_output_logger.debug('{} timed out; sending SIGKILL'.format(pid))
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os.killpg(pid, signal.SIGKILL)
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except OSError:
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pass # process may have already terminated.
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process = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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preexec_fn=preexec_function, **kwargs)
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if timeout:
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timer = threading.Timer(timeout, callback, [process.pid, ])
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timer.start()
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try:
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output, error = process.communicate()
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finally:
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if timeout:
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timer.cancel()
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retcode = process.poll()
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if retcode:
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if retcode == -9: # killed, assume due to timeout callback
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raise TimeoutError(command, output='\n'.join([output, error]))
|
||||
elif ignore != 'all' and retcode not in ignore:
|
||||
raise subprocess.CalledProcessError(retcode, command, output='\n'.join([output, error]))
|
||||
return output, error
|
||||
|
||||
|
||||
def walk_modules(path):
|
||||
"""
|
||||
Given package name, return a list of all modules (including submodules, etc)
|
||||
in that package.
|
||||
|
||||
"""
|
||||
root_mod = __import__(path, {}, {}, [''])
|
||||
mods = [root_mod]
|
||||
for _, name, ispkg in pkgutil.iter_modules(root_mod.__path__):
|
||||
submod_path = '.'.join([path, name])
|
||||
if ispkg:
|
||||
mods.extend(walk_modules(submod_path))
|
||||
else:
|
||||
submod = __import__(submod_path, {}, {}, [''])
|
||||
mods.append(submod)
|
||||
return mods
|
||||
|
||||
|
||||
def ensure_directory_exists(dirpath):
|
||||
"""A filter for directory paths to ensure they exist."""
|
||||
if not os.path.isdir(dirpath):
|
||||
os.makedirs(dirpath)
|
||||
return dirpath
|
||||
|
||||
|
||||
def ensure_file_directory_exists(filepath):
|
||||
"""
|
||||
A filter for file paths to ensure the directory of the
|
||||
file exists and the file can be created there. The file
|
||||
itself is *not* going to be created if it doesn't already
|
||||
exist.
|
||||
|
||||
"""
|
||||
ensure_directory_exists(os.path.dirname(filepath))
|
||||
return filepath
|
||||
|
||||
|
||||
def diff_tokens(before_token, after_token):
|
||||
"""
|
||||
Creates a diff of two tokens.
|
||||
@ -249,131 +158,6 @@ def get_traceback(exc=None):
|
||||
return sio.getvalue()
|
||||
|
||||
|
||||
def merge_dicts(*args, **kwargs):
|
||||
if len(args) < 2:
|
||||
raise ValueError('Must specify at least two dicts to merge.')
|
||||
func = partial(_merge_two_dicts, **kwargs)
|
||||
return reduce(func, args)
|
||||
|
||||
|
||||
def _merge_two_dicts(base, other, list_duplicates='all', match_types=False, # pylint: disable=R0912,R0914
|
||||
dict_type=dict, should_normalize=True, should_merge_lists=True):
|
||||
"""Merge dicts normalizing their keys."""
|
||||
merged = dict_type()
|
||||
base_keys = base.keys()
|
||||
other_keys = other.keys()
|
||||
norm = normalize if should_normalize else lambda x, y: x
|
||||
|
||||
base_only = []
|
||||
other_only = []
|
||||
both = []
|
||||
union = []
|
||||
for k in base_keys:
|
||||
if k in other_keys:
|
||||
both.append(k)
|
||||
else:
|
||||
base_only.append(k)
|
||||
union.append(k)
|
||||
for k in other_keys:
|
||||
if k in base_keys:
|
||||
union.append(k)
|
||||
else:
|
||||
union.append(k)
|
||||
other_only.append(k)
|
||||
|
||||
for k in union:
|
||||
if k in base_only:
|
||||
merged[k] = norm(base[k], dict_type)
|
||||
elif k in other_only:
|
||||
merged[k] = norm(other[k], dict_type)
|
||||
elif k in both:
|
||||
base_value = base[k]
|
||||
other_value = other[k]
|
||||
base_type = type(base_value)
|
||||
other_type = type(other_value)
|
||||
if (match_types and (base_type != other_type) and
|
||||
(base_value is not None) and (other_value is not None)):
|
||||
raise ValueError('Type mismatch for {} got {} ({}) and {} ({})'.format(k, base_value, base_type,
|
||||
other_value, other_type))
|
||||
if isinstance(base_value, dict):
|
||||
merged[k] = _merge_two_dicts(base_value, other_value, list_duplicates, match_types, dict_type)
|
||||
elif isinstance(base_value, list):
|
||||
if should_merge_lists:
|
||||
merged[k] = _merge_two_lists(base_value, other_value, list_duplicates, dict_type)
|
||||
else:
|
||||
merged[k] = _merge_two_lists([], other_value, list_duplicates, dict_type)
|
||||
|
||||
elif isinstance(base_value, set):
|
||||
merged[k] = norm(base_value.union(other_value), dict_type)
|
||||
else:
|
||||
merged[k] = norm(other_value, dict_type)
|
||||
else: # Should never get here
|
||||
raise AssertionError('Unexpected merge key: {}'.format(k))
|
||||
|
||||
return merged
|
||||
|
||||
|
||||
def merge_lists(*args, **kwargs):
|
||||
if len(args) < 2:
|
||||
raise ValueError('Must specify at least two lists to merge.')
|
||||
func = partial(_merge_two_lists, **kwargs)
|
||||
return reduce(func, args)
|
||||
|
||||
|
||||
def _merge_two_lists(base, other, duplicates='all', dict_type=dict): # pylint: disable=R0912
|
||||
"""
|
||||
Merge lists, normalizing their entries.
|
||||
|
||||
parameters:
|
||||
|
||||
:base, other: the two lists to be merged. ``other`` will be merged on
|
||||
top of base.
|
||||
:duplicates: Indicates the strategy of handling entries that appear
|
||||
in both lists. ``all`` will keep occurrences from both
|
||||
lists; ``first`` will only keep occurrences from
|
||||
``base``; ``last`` will only keep occurrences from
|
||||
``other``;
|
||||
|
||||
.. note:: duplicate entries that appear in the *same* list
|
||||
will never be removed.
|
||||
|
||||
"""
|
||||
if not isiterable(base):
|
||||
base = [base]
|
||||
if not isiterable(other):
|
||||
other = [other]
|
||||
if duplicates == 'all':
|
||||
merged_list = []
|
||||
for v in normalize(base, dict_type) + normalize(other, dict_type):
|
||||
if not _check_remove_item(merged_list, v):
|
||||
merged_list.append(v)
|
||||
return merged_list
|
||||
elif duplicates == 'first':
|
||||
base_norm = normalize(base, dict_type)
|
||||
merged_list = normalize(base, dict_type)
|
||||
for v in base_norm:
|
||||
_check_remove_item(merged_list, v)
|
||||
for v in normalize(other, dict_type):
|
||||
if not _check_remove_item(merged_list, v):
|
||||
if v not in base_norm:
|
||||
merged_list.append(v) # pylint: disable=no-member
|
||||
return merged_list
|
||||
elif duplicates == 'last':
|
||||
other_norm = normalize(other, dict_type)
|
||||
merged_list = []
|
||||
for v in normalize(base, dict_type):
|
||||
if not _check_remove_item(merged_list, v):
|
||||
if v not in other_norm:
|
||||
merged_list.append(v)
|
||||
for v in other_norm:
|
||||
if not _check_remove_item(merged_list, v):
|
||||
merged_list.append(v)
|
||||
return merged_list
|
||||
else:
|
||||
raise ValueError('Unexpected value for list duplicates argument: {}. '.format(duplicates) +
|
||||
'Must be in {"all", "first", "last"}.')
|
||||
|
||||
|
||||
def _check_remove_item(the_list, item):
|
||||
"""Helper function for merge_lists that implements checking wether an items
|
||||
should be removed from the list and doing so if needed. Returns ``True`` if
|
||||
@ -388,24 +172,6 @@ def _check_remove_item(the_list, item):
|
||||
return True
|
||||
|
||||
|
||||
def normalize(value, dict_type=dict):
|
||||
"""Normalize values. Recursively normalizes dict keys to be lower case,
|
||||
no surrounding whitespace, underscore-delimited strings."""
|
||||
if isinstance(value, dict):
|
||||
normalized = dict_type()
|
||||
for k, v in value.iteritems():
|
||||
if isinstance(k, basestring):
|
||||
k = k.strip().lower().replace(' ', '_')
|
||||
normalized[k] = normalize(v, dict_type)
|
||||
return normalized
|
||||
elif isinstance(value, list):
|
||||
return [normalize(v, dict_type) for v in value]
|
||||
elif isinstance(value, tuple):
|
||||
return tuple([normalize(v, dict_type) for v in value])
|
||||
else:
|
||||
return value
|
||||
|
||||
|
||||
VALUE_REGEX = re.compile(r'(\d+(?:\.\d+)?)\s*(\w*)')
|
||||
|
||||
UNITS_MAP = {
|
||||
@ -457,50 +223,6 @@ def capitalize(text):
|
||||
return text[0].upper() + text[1:].lower()
|
||||
|
||||
|
||||
def convert_new_lines(text):
|
||||
""" Convert new lines to a common format. """
|
||||
return text.replace('\r\n', '\n').replace('\r', '\n')
|
||||
|
||||
|
||||
def escape_quotes(text):
|
||||
"""Escape quotes, and escaped quotes, in the specified text."""
|
||||
return re.sub(r'\\("|\')', r'\\\\\1', text).replace('\'', '\\\'').replace('\"', '\\\"')
|
||||
|
||||
|
||||
def escape_single_quotes(text):
|
||||
"""Escape single quotes, and escaped single quotes, in the specified text."""
|
||||
return re.sub(r'\\("|\')', r'\\\\\1', text).replace('\'', '\'\\\'\'')
|
||||
|
||||
|
||||
def escape_double_quotes(text):
|
||||
"""Escape double quotes, and escaped double quotes, in the specified text."""
|
||||
return re.sub(r'\\("|\')', r'\\\\\1', text).replace('\"', '\\\"')
|
||||
|
||||
|
||||
def getch(count=1):
|
||||
"""Read ``count`` characters from standard input."""
|
||||
if os.name == 'nt':
|
||||
import msvcrt # pylint: disable=F0401
|
||||
return ''.join([msvcrt.getch() for _ in xrange(count)])
|
||||
else: # assume Unix
|
||||
import tty # NOQA
|
||||
import termios # NOQA
|
||||
fd = sys.stdin.fileno()
|
||||
old_settings = termios.tcgetattr(fd)
|
||||
try:
|
||||
tty.setraw(sys.stdin.fileno())
|
||||
ch = sys.stdin.read(count)
|
||||
finally:
|
||||
termios.tcsetattr(fd, termios.TCSADRAIN, old_settings)
|
||||
return ch
|
||||
|
||||
|
||||
def isiterable(obj):
|
||||
"""Returns ``True`` if the specified object is iterable and
|
||||
*is not a string type*, ``False`` otherwise."""
|
||||
return hasattr(obj, '__iter__') and not isinstance(obj, basestring)
|
||||
|
||||
|
||||
def utc_to_local(dt):
|
||||
"""Convert naive datetime to local time zone, assuming UTC."""
|
||||
return dt.replace(tzinfo=tz.tzutc()).astimezone(tz.tzlocal())
|
||||
@ -511,21 +233,6 @@ def local_to_utc(dt):
|
||||
return dt.replace(tzinfo=tz.tzlocal()).astimezone(tz.tzutc())
|
||||
|
||||
|
||||
def as_relative(path):
|
||||
"""Convert path to relative by stripping away the leading '/' on UNIX or
|
||||
the equivant on other platforms."""
|
||||
path = os.path.splitdrive(path)[1]
|
||||
return path.lstrip(os.sep)
|
||||
|
||||
|
||||
def get_cpu_mask(cores):
|
||||
"""Return a string with the hex for the cpu mask for the specified core numbers."""
|
||||
mask = 0
|
||||
for i in cores:
|
||||
mask |= 1 << i
|
||||
return '0x{0:x}'.format(mask)
|
||||
|
||||
|
||||
def load_class(classpath):
|
||||
"""Loads the specified Python class. ``classpath`` must be a fully-qualified
|
||||
class name (i.e. namspaced under module/package)."""
|
||||
@ -587,27 +294,6 @@ def enum_metaclass(enum_param, return_name=False, start=0):
|
||||
return __EnumMeta
|
||||
|
||||
|
||||
def which(name):
|
||||
"""Platform-independent version of UNIX which utility."""
|
||||
if os.name == 'nt':
|
||||
paths = os.getenv('PATH').split(os.pathsep)
|
||||
exts = os.getenv('PATHEXT').split(os.pathsep)
|
||||
for path in paths:
|
||||
testpath = os.path.join(path, name)
|
||||
if os.path.isfile(testpath):
|
||||
return testpath
|
||||
for ext in exts:
|
||||
testpathext = testpath + ext
|
||||
if os.path.isfile(testpathext):
|
||||
return testpathext
|
||||
return None
|
||||
else: # assume UNIX-like
|
||||
try:
|
||||
return check_output(['which', name])[0].strip()
|
||||
except subprocess.CalledProcessError:
|
||||
return None
|
||||
|
||||
|
||||
_bash_color_regex = re.compile('\x1b\[[0-9;]+m')
|
||||
|
||||
|
||||
@ -733,19 +419,6 @@ def load_struct_from_file(filepath):
|
||||
raise ValueError('Unknown format "{}": {}'.format(extn, filepath))
|
||||
|
||||
|
||||
def unique(alist):
|
||||
"""
|
||||
Returns a list containing only unique elements from the input list (but preserves
|
||||
order, unlike sets).
|
||||
|
||||
"""
|
||||
result = []
|
||||
for item in alist:
|
||||
if item not in result:
|
||||
result.append(item)
|
||||
return result
|
||||
|
||||
|
||||
def open_file(filepath):
|
||||
"""
|
||||
Open the specified file path with the associated launcher in an OS-agnostic way.
|
||||
@ -759,49 +432,6 @@ def open_file(filepath):
|
||||
return subprocess.call(['xdg-open', filepath])
|
||||
|
||||
|
||||
def ranges_to_list(ranges_string):
|
||||
"""Converts a sysfs-style ranges string, e.g. ``"0,2-4"``, into a list ,e.g ``[0,2,3,4]``"""
|
||||
values = []
|
||||
for rg in ranges_string.split(','):
|
||||
if '-' in rg:
|
||||
first, last = map(int, rg.split('-'))
|
||||
values.extend(xrange(first, last + 1))
|
||||
else:
|
||||
values.append(int(rg))
|
||||
return values
|
||||
|
||||
|
||||
def list_to_ranges(values):
|
||||
"""Converts a list, e.g ``[0,2,3,4]``, into a sysfs-style ranges string, e.g. ``"0,2-4"``"""
|
||||
range_groups = []
|
||||
for _, g in groupby(enumerate(values), lambda (i, x): i - x):
|
||||
range_groups.append(map(itemgetter(1), g))
|
||||
range_strings = []
|
||||
for group in range_groups:
|
||||
if len(group) == 1:
|
||||
range_strings.append(str(group[0]))
|
||||
else:
|
||||
range_strings.append('{}-{}'.format(group[0], group[-1]))
|
||||
return ','.join(range_strings)
|
||||
|
||||
|
||||
def list_to_mask(values, base=0x0):
|
||||
"""Converts the specified list of integer values into
|
||||
a bit mask for those values. Optinally, the list can be
|
||||
applied to an existing mask."""
|
||||
for v in values:
|
||||
base |= (1 << v)
|
||||
return base
|
||||
|
||||
|
||||
def mask_to_list(mask):
|
||||
"""Converts the specfied integer bitmask into a list of
|
||||
indexes of bits that are set in the mask."""
|
||||
size = len(bin(mask)) - 2 # because of "0b"
|
||||
return [size - i - 1 for i in xrange(size)
|
||||
if mask & (1 << size - i - 1)]
|
||||
|
||||
|
||||
def sha256(path, chunk=2048):
|
||||
"""Calculates SHA256 hexdigest of the file at the specified path."""
|
||||
h = hashlib.sha256()
|
||||
|
||||
@ -27,11 +27,8 @@ if V(pexpect.__version__) < V('4.0.0'):
|
||||
else:
|
||||
from pexpect import fdpexpect
|
||||
|
||||
# Adding pexpect exceptions into this module's namespace
|
||||
from pexpect import EOF, TIMEOUT # NOQA pylint: disable=W0611
|
||||
|
||||
from wlauto.exceptions import HostError
|
||||
from wlauto.utils.log import LogWriter
|
||||
from devlib.utils.serial_port import pulse_dtr, get_connection, open_serial_connection
|
||||
|
||||
|
||||
class PexpectLogger(LogWriter):
|
||||
@ -52,71 +49,3 @@ class PexpectLogger(LogWriter):
|
||||
self.kind = kind
|
||||
logger_name = 'serial_{}'.format(kind) if kind else 'serial'
|
||||
super(PexpectLogger, self).__init__(logger_name)
|
||||
|
||||
|
||||
def pulse_dtr(conn, state=True, duration=0.1):
|
||||
"""Set the DTR line of the specified serial connection to the specified state
|
||||
for the specified duration (note: the initial state of the line is *not* checked."""
|
||||
conn.setDTR(state)
|
||||
time.sleep(duration)
|
||||
conn.setDTR(not state)
|
||||
|
||||
|
||||
def get_connection(timeout, init_dtr=None, *args, **kwargs):
|
||||
if init_dtr is not None:
|
||||
kwargs['dsrdtr'] = True
|
||||
try:
|
||||
conn = serial.Serial(*args, **kwargs)
|
||||
except serial.SerialException as e:
|
||||
raise HostError(e.message)
|
||||
if init_dtr is not None:
|
||||
conn.setDTR(init_dtr)
|
||||
conn.nonblocking()
|
||||
conn.flushOutput()
|
||||
target = fdpexpect.fdspawn(conn.fileno(), timeout=timeout)
|
||||
target.logfile_read = PexpectLogger('read')
|
||||
target.logfile_send = PexpectLogger('send')
|
||||
|
||||
# Monkey-patching sendline to introduce a short delay after
|
||||
# chacters are sent to the serial. If two sendline s are issued
|
||||
# one after another the second one might start putting characters
|
||||
# into the serial device before the first one has finished, causing
|
||||
# corruption. The delay prevents that.
|
||||
tsln = target.sendline
|
||||
|
||||
def sendline(x):
|
||||
tsln(x)
|
||||
time.sleep(0.1)
|
||||
|
||||
target.sendline = sendline
|
||||
return target, conn
|
||||
|
||||
|
||||
@contextmanager
|
||||
def open_serial_connection(timeout, get_conn=False, init_dtr=None, *args, **kwargs):
|
||||
"""
|
||||
Opens a serial connection to a device.
|
||||
|
||||
:param timeout: timeout for the fdpexpect spawn object.
|
||||
:param conn: ``bool`` that specfies whether the underlying connection
|
||||
object should be yielded as well.
|
||||
:param init_dtr: specifies the initial DTR state stat should be set.
|
||||
|
||||
All arguments are passed into the __init__ of serial.Serial. See
|
||||
pyserial documentation for details:
|
||||
|
||||
http://pyserial.sourceforge.net/pyserial_api.html#serial.Serial
|
||||
|
||||
:returns: a pexpect spawn object connected to the device.
|
||||
See: http://pexpect.sourceforge.net/pexpect.html
|
||||
|
||||
"""
|
||||
target, conn = get_connection(timeout, init_dtr=init_dtr, *args, **kwargs)
|
||||
|
||||
if get_conn:
|
||||
yield target, conn
|
||||
else:
|
||||
yield target
|
||||
|
||||
target.close() # Closes the file descriptor used by the conn.
|
||||
del conn
|
||||
|
||||
@ -1,276 +0,0 @@
|
||||
# Copyright 2014-2015 ARM Limited
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
|
||||
import os
|
||||
import stat
|
||||
import logging
|
||||
import subprocess
|
||||
import re
|
||||
import threading
|
||||
import tempfile
|
||||
import shutil
|
||||
|
||||
from pexpect import EOF, TIMEOUT, spawn, pxssh
|
||||
|
||||
from wlauto.exceptions import HostError, DeviceError, TimeoutError, ConfigError
|
||||
from wlauto.utils.misc import which, strip_bash_colors, escape_single_quotes, check_output
|
||||
|
||||
|
||||
ssh = None
|
||||
scp = None
|
||||
sshpass = None
|
||||
|
||||
logger = logging.getLogger('ssh')
|
||||
|
||||
|
||||
def ssh_get_shell(host, username, password=None, keyfile=None, port=None, timeout=10, telnet=False):
|
||||
_check_env()
|
||||
if telnet:
|
||||
if keyfile:
|
||||
raise ConfigError('keyfile may not be used with a telnet connection.')
|
||||
conn = TelnetConnection()
|
||||
else: # ssh
|
||||
conn = pxssh.pxssh() # pylint: disable=redefined-variable-type
|
||||
try:
|
||||
if keyfile:
|
||||
conn.login(host, username, ssh_key=keyfile, port=port, login_timeout=timeout)
|
||||
else:
|
||||
conn.login(host, username, password, port=port, login_timeout=timeout)
|
||||
except EOF:
|
||||
raise DeviceError('Could not connect to {}; is the host name correct?'.format(host))
|
||||
return conn
|
||||
|
||||
|
||||
class TelnetConnection(pxssh.pxssh):
|
||||
# pylint: disable=arguments-differ
|
||||
|
||||
def login(self, server, username, password='', original_prompt=r'[#$]', login_timeout=10,
|
||||
auto_prompt_reset=True, sync_multiplier=1, port=23):
|
||||
cmd = 'telnet -l {} {} {}'.format(username, server, port)
|
||||
|
||||
spawn._spawn(self, cmd) # pylint: disable=protected-access
|
||||
try:
|
||||
i = self.expect('(?i)(?:password)', timeout=login_timeout)
|
||||
if i == 0:
|
||||
self.sendline(password)
|
||||
i = self.expect([original_prompt, 'Login incorrect'], timeout=login_timeout)
|
||||
if i:
|
||||
raise pxssh.ExceptionPxssh('could not log in: password was incorrect')
|
||||
except TIMEOUT:
|
||||
if not password:
|
||||
# There was no password prompt before TIMEOUT, and we didn't
|
||||
# have a password to enter. Assume everything is OK.
|
||||
pass
|
||||
else:
|
||||
raise pxssh.ExceptionPxssh('could not log in: did not see a password prompt')
|
||||
|
||||
if not self.sync_original_prompt(sync_multiplier):
|
||||
self.close()
|
||||
raise pxssh.ExceptionPxssh('could not synchronize with original prompt')
|
||||
|
||||
if auto_prompt_reset:
|
||||
if not self.set_unique_prompt():
|
||||
self.close()
|
||||
message = 'could not set shell prompt (recieved: {}, expected: {}).'
|
||||
raise pxssh.ExceptionPxssh(message.format(self.before, self.PROMPT))
|
||||
return True
|
||||
|
||||
|
||||
def check_keyfile(keyfile):
|
||||
"""
|
||||
keyfile must have the right access premissions in order to be useable. If the specified
|
||||
file doesn't, create a temporary copy and set the right permissions for that.
|
||||
|
||||
Returns either the ``keyfile`` (if the permissions on it are correct) or the path to a
|
||||
temporary copy with the right permissions.
|
||||
"""
|
||||
desired_mask = stat.S_IWUSR | stat.S_IRUSR
|
||||
actual_mask = os.stat(keyfile).st_mode & 0xFF
|
||||
if actual_mask != desired_mask:
|
||||
tmp_file = os.path.join(tempfile.gettempdir(), os.path.basename(keyfile))
|
||||
shutil.copy(keyfile, tmp_file)
|
||||
os.chmod(tmp_file, desired_mask)
|
||||
return tmp_file
|
||||
else: # permissions on keyfile are OK
|
||||
return keyfile
|
||||
|
||||
|
||||
class SshShell(object):
|
||||
|
||||
default_password_prompt = '[sudo] password'
|
||||
max_cancel_attempts = 5
|
||||
|
||||
def __init__(self, password_prompt=None, timeout=10, telnet=False):
|
||||
self.password_prompt = password_prompt if password_prompt is not None else self.default_password_prompt
|
||||
self.timeout = timeout
|
||||
self.telnet = telnet
|
||||
self.conn = None
|
||||
self.lock = threading.Lock()
|
||||
self.connection_lost = False
|
||||
|
||||
def login(self, host, username, password=None, keyfile=None, port=None, timeout=None):
|
||||
# pylint: disable=attribute-defined-outside-init
|
||||
logger.debug('Logging in {}@{}'.format(username, host))
|
||||
self.host = host
|
||||
self.username = username
|
||||
self.password = password
|
||||
self.keyfile = check_keyfile(keyfile) if keyfile else keyfile
|
||||
self.port = port
|
||||
timeout = self.timeout if timeout is None else timeout
|
||||
self.conn = ssh_get_shell(host, username, password, self.keyfile, port, timeout, self.telnet)
|
||||
|
||||
def push_file(self, source, dest, timeout=30):
|
||||
dest = '{}@{}:{}'.format(self.username, self.host, dest)
|
||||
return self._scp(source, dest, timeout)
|
||||
|
||||
def pull_file(self, source, dest, timeout=30):
|
||||
source = '{}@{}:{}'.format(self.username, self.host, source)
|
||||
return self._scp(source, dest, timeout)
|
||||
|
||||
def background(self, command, stdout=subprocess.PIPE, stderr=subprocess.PIPE):
|
||||
port_string = '-p {}'.format(self.port) if self.port else ''
|
||||
keyfile_string = '-i {}'.format(self.keyfile) if self.keyfile else ''
|
||||
command = '{} {} {} {}@{} {}'.format(ssh, keyfile_string, port_string, self.username, self.host, command)
|
||||
logger.debug(command)
|
||||
if self.password:
|
||||
command = _give_password(self.password, command)
|
||||
return subprocess.Popen(command, stdout=stdout, stderr=stderr, shell=True)
|
||||
|
||||
def reconnect(self):
|
||||
self.conn = ssh_get_shell(self.host, self.username, self.password,
|
||||
self.keyfile, self.port, self.timeout, self.telnet)
|
||||
|
||||
def execute(self, command, timeout=None, check_exit_code=True, as_root=False, strip_colors=True):
|
||||
try:
|
||||
with self.lock:
|
||||
if self.connection_lost:
|
||||
logger.debug('Attempting to reconnect...')
|
||||
self.reconnect()
|
||||
self.connection_lost = False
|
||||
output = self._execute_and_wait_for_prompt(command, timeout, as_root, strip_colors)
|
||||
if check_exit_code:
|
||||
exit_code_text = self._execute_and_wait_for_prompt('echo $?', strip_colors=strip_colors, log=False)
|
||||
try:
|
||||
exit_code = int(exit_code_text.split()[0])
|
||||
if exit_code:
|
||||
message = 'Got exit code {}\nfrom: {}\nOUTPUT: {}'
|
||||
raise DeviceError(message.format(exit_code, command, output))
|
||||
except (ValueError, IndexError):
|
||||
logger.warning('Could not get exit code for "{}",\ngot: "{}"'.format(command, exit_code_text))
|
||||
return output
|
||||
except EOF:
|
||||
logger.error('Dropped connection detected.')
|
||||
self.connection_lost = True
|
||||
raise
|
||||
|
||||
def logout(self):
|
||||
logger.debug('Logging out {}@{}'.format(self.username, self.host))
|
||||
self.conn.logout()
|
||||
|
||||
def cancel_running_command(self):
|
||||
# simulate impatiently hitting ^C until command prompt appears
|
||||
logger.debug('Sending ^C')
|
||||
for _ in xrange(self.max_cancel_attempts):
|
||||
self.conn.sendline(chr(3))
|
||||
if self.conn.prompt(0.1):
|
||||
return True
|
||||
return False
|
||||
|
||||
def _execute_and_wait_for_prompt(self, command, timeout=None, as_root=False, strip_colors=True, log=True):
|
||||
self.conn.prompt(0.1) # clear an existing prompt if there is one.
|
||||
if as_root:
|
||||
command = "sudo -- sh -c '{}'".format(escape_single_quotes(command))
|
||||
if log:
|
||||
logger.debug(command)
|
||||
self.conn.sendline(command)
|
||||
index = self.conn.expect_exact([self.password_prompt, TIMEOUT], timeout=0.5)
|
||||
if index == 0:
|
||||
self.conn.sendline(self.password)
|
||||
timed_out = self._wait_for_prompt(timeout)
|
||||
output = re.sub(r' \r([^\n])', r'\1', self.conn.before)
|
||||
output = process_backspaces(output)
|
||||
output = re.sub(r'.*?{}'.format(re.escape(command)), '', output, 1).strip()
|
||||
else:
|
||||
if log:
|
||||
logger.debug(command)
|
||||
self.conn.sendline(command)
|
||||
timed_out = self._wait_for_prompt(timeout)
|
||||
# the regex removes line breaks potential introduced when writing
|
||||
# command to shell.
|
||||
output = re.sub(r' \r([^\n])', r'\1', self.conn.before)
|
||||
output = process_backspaces(output)
|
||||
command_index = output.find(command)
|
||||
output = output[command_index + len(command):].strip()
|
||||
if timed_out:
|
||||
self.cancel_running_command()
|
||||
raise TimeoutError(command, output)
|
||||
if strip_colors:
|
||||
output = strip_bash_colors(output)
|
||||
return output
|
||||
|
||||
def _wait_for_prompt(self, timeout=None):
|
||||
if timeout:
|
||||
return not self.conn.prompt(timeout)
|
||||
else: # cannot timeout; wait forever
|
||||
while not self.conn.prompt(self.timeout):
|
||||
pass
|
||||
return False
|
||||
|
||||
def _scp(self, source, dest, timeout=30):
|
||||
# NOTE: the version of scp in Ubuntu 12.04 occasionally (and bizarrely)
|
||||
# fails to connect to a device if port is explicitly specified using -P
|
||||
# option, even if it is the default port, 22. To minimize this problem,
|
||||
# only specify -P for scp if the port is *not* the default.
|
||||
port_string = '-P {}'.format(self.port) if (self.port and self.port != 22) else ''
|
||||
keyfile_string = '-i {}'.format(self.keyfile) if self.keyfile else ''
|
||||
command = '{} -r {} {} {} {}'.format(scp, keyfile_string, port_string, source, dest)
|
||||
pass_string = ''
|
||||
logger.debug(command)
|
||||
if self.password:
|
||||
command = _give_password(self.password, command)
|
||||
try:
|
||||
check_output(command, timeout=timeout, shell=True)
|
||||
except subprocess.CalledProcessError as e:
|
||||
raise subprocess.CalledProcessError(e.returncode, e.cmd.replace(pass_string, ''), e.output)
|
||||
except TimeoutError as e:
|
||||
raise TimeoutError(e.command.replace(pass_string, ''), e.output)
|
||||
|
||||
|
||||
def _give_password(password, command):
|
||||
if not sshpass:
|
||||
raise HostError('Must have sshpass installed on the host in order to use password-based auth.')
|
||||
pass_string = "sshpass -p '{}' ".format(password)
|
||||
return pass_string + command
|
||||
|
||||
|
||||
def _check_env():
|
||||
global ssh, scp, sshpass # pylint: disable=global-statement
|
||||
if not ssh:
|
||||
ssh = which('ssh')
|
||||
scp = which('scp')
|
||||
sshpass = which('sshpass')
|
||||
if not (ssh and scp):
|
||||
raise HostError('OpenSSH must be installed on the host.')
|
||||
|
||||
|
||||
def process_backspaces(text):
|
||||
chars = []
|
||||
for c in text:
|
||||
if c == chr(8) and chars: # backspace
|
||||
chars.pop()
|
||||
else:
|
||||
chars.append(c)
|
||||
return ''.join(chars)
|
||||
@ -33,55 +33,7 @@ from bisect import insort
|
||||
from collections import defaultdict
|
||||
|
||||
from wlauto.utils.misc import isiterable, to_identifier
|
||||
|
||||
|
||||
def identifier(text):
|
||||
"""Converts text to a valid Python identifier by replacing all
|
||||
whitespace and punctuation."""
|
||||
return to_identifier(text)
|
||||
|
||||
|
||||
def boolean(value):
|
||||
"""
|
||||
Returns bool represented by the value. This is different from
|
||||
calling the builtin bool() in that it will interpret string representations.
|
||||
e.g. boolean('0') and boolean('false') will both yield False.
|
||||
|
||||
"""
|
||||
false_strings = ['', '0', 'n', 'no', 'off']
|
||||
if isinstance(value, basestring):
|
||||
value = value.lower()
|
||||
if value in false_strings or 'false'.startswith(value):
|
||||
return False
|
||||
return bool(value)
|
||||
|
||||
|
||||
def integer(value):
|
||||
"""Handles conversions for string respresentations of binary, octal and hex."""
|
||||
if isinstance(value, basestring):
|
||||
return int(value, 0)
|
||||
else:
|
||||
return int(value)
|
||||
|
||||
|
||||
def numeric(value):
|
||||
"""
|
||||
Returns the value as number (int if possible, or float otherwise), or
|
||||
raises ``ValueError`` if the specified ``value`` does not have a straight
|
||||
forward numeric conversion.
|
||||
|
||||
"""
|
||||
if isinstance(value, int):
|
||||
return value
|
||||
try:
|
||||
fvalue = float(value)
|
||||
except ValueError:
|
||||
raise ValueError('Not numeric: {}'.format(value))
|
||||
if not math.isnan(fvalue) and not math.isinf(fvalue):
|
||||
ivalue = int(fvalue)
|
||||
if ivalue == fvalue: # yeah, yeah, I know. Whatever. This is best-effort.
|
||||
return ivalue
|
||||
return fvalue
|
||||
from devlib.utils.types import identifier, boolean, integer, numeric, caseless_string
|
||||
|
||||
|
||||
def list_of_strs(value):
|
||||
@ -251,30 +203,6 @@ def counter(name=None):
|
||||
return value
|
||||
|
||||
|
||||
class caseless_string(str):
|
||||
"""
|
||||
Just like built-in Python string except case-insensitive on comparisons. However, the
|
||||
case is preserved otherwise.
|
||||
|
||||
"""
|
||||
|
||||
def __eq__(self, other):
|
||||
if isinstance(other, basestring):
|
||||
other = other.lower()
|
||||
return self.lower() == other
|
||||
|
||||
def __ne__(self, other):
|
||||
return not self.__eq__(other)
|
||||
|
||||
def __cmp__(self, other):
|
||||
if isinstance(basestring, other):
|
||||
other = other.lower()
|
||||
return cmp(self.lower(), other)
|
||||
|
||||
def format(self, *args, **kwargs):
|
||||
return caseless_string(super(caseless_string, self).format(*args, **kwargs))
|
||||
|
||||
|
||||
class arguments(list):
|
||||
"""
|
||||
Represents command line arguments to be passed to a program.
|
||||
|
||||
@ -1,116 +0,0 @@
|
||||
|
||||
# Copyright 2014-2015 ARM Limited
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
import re
|
||||
import time
|
||||
import logging
|
||||
|
||||
from wlauto.utils.serial_port import TIMEOUT
|
||||
|
||||
|
||||
logger = logging.getLogger('U-Boot')
|
||||
|
||||
|
||||
class UbootMenu(object):
|
||||
"""
|
||||
Allows navigating Das U-boot menu over serial (it relies on a pexpect connection).
|
||||
|
||||
"""
|
||||
|
||||
option_regex = re.compile(r'^\[(\d+)\]\s+([^\r]+)\r\n', re.M)
|
||||
prompt_regex = re.compile(r'^([^\r\n]+):\s*', re.M)
|
||||
invalid_regex = re.compile(r'Invalid input \(max (\d+)\)', re.M)
|
||||
|
||||
load_delay = 1 # seconds
|
||||
default_timeout = 60 # seconds
|
||||
|
||||
def __init__(self, conn, start_prompt='Hit any key to stop autoboot'):
|
||||
"""
|
||||
:param conn: A serial connection as returned by ``pexect.spawn()``.
|
||||
:param prompt: U-Boot menu prompt
|
||||
:param start_prompt: The starting prompt to wait for during ``open()``.
|
||||
|
||||
"""
|
||||
self.conn = conn
|
||||
self.conn.crlf = '\n\r' # TODO: this has *got* to be a bug in U-Boot...
|
||||
self.start_prompt = start_prompt
|
||||
self.options = {}
|
||||
self.prompt = None
|
||||
|
||||
def open(self, timeout=default_timeout):
|
||||
"""
|
||||
"Open" the UEFI menu by sending an interrupt on STDIN after seeing the
|
||||
starting prompt (configurable upon creation of the ``UefiMenu`` object.
|
||||
|
||||
"""
|
||||
self.conn.expect(self.start_prompt, timeout)
|
||||
self.conn.sendline('')
|
||||
time.sleep(self.load_delay)
|
||||
self.conn.readline() # garbage
|
||||
self.conn.sendline('')
|
||||
self.prompt = self.conn.readline().strip()
|
||||
|
||||
def getenv(self):
|
||||
output = self.enter('printenv')
|
||||
result = {}
|
||||
for line in output.split('\n'):
|
||||
if '=' in line:
|
||||
variable, value = line.split('=', 1)
|
||||
result[variable.strip()] = value.strip()
|
||||
return result
|
||||
|
||||
def setenv(self, variable, value, force=False):
|
||||
force_str = ' -f' if force else ''
|
||||
if value is not None:
|
||||
command = 'setenv{} {} {}'.format(force_str, variable, value)
|
||||
else:
|
||||
command = 'setenv{} {}'.format(force_str, variable)
|
||||
return self.enter(command)
|
||||
|
||||
def boot(self):
|
||||
self.write_characters('boot')
|
||||
|
||||
def nudge(self):
|
||||
"""Send a little nudge to ensure there is something to read. This is useful when you're not
|
||||
sure if all out put from the serial has been read already."""
|
||||
self.enter('')
|
||||
|
||||
def enter(self, value, delay=load_delay):
|
||||
"""Like ``select()`` except no resolution is performed -- the value is sent directly
|
||||
to the serial connection."""
|
||||
# Empty the buffer first, so that only response to the input about to
|
||||
# be sent will be processed by subsequent commands.
|
||||
value = str(value)
|
||||
self.empty_buffer()
|
||||
self.write_characters(value)
|
||||
self.conn.expect(self.prompt, timeout=delay)
|
||||
return self.conn.before
|
||||
|
||||
def write_characters(self, line):
|
||||
line = line.rstrip('\r\n')
|
||||
for c in line:
|
||||
self.conn.send(c)
|
||||
time.sleep(0.05)
|
||||
self.conn.sendline('')
|
||||
|
||||
def empty_buffer(self):
|
||||
try:
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
self.conn.read_nonblocking(size=1024, timeout=0.1)
|
||||
except TIMEOUT:
|
||||
pass
|
||||
self.conn.buffer = ''
|
||||
|
||||
@ -1,235 +0,0 @@
|
||||
# Copyright 2014-2015 ARM Limited
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
|
||||
import re
|
||||
import time
|
||||
import logging
|
||||
from copy import copy
|
||||
|
||||
from wlauto.exceptions import ConfigError
|
||||
from wlauto.utils.serial_port import TIMEOUT
|
||||
from wlauto.utils.types import boolean
|
||||
|
||||
|
||||
logger = logging.getLogger('UEFI')
|
||||
|
||||
|
||||
class UefiConfig(object):
|
||||
|
||||
def __init__(self, config_dict):
|
||||
if isinstance(config_dict, UefiConfig):
|
||||
self.__dict__ = copy(config_dict.__dict__)
|
||||
else:
|
||||
try:
|
||||
self.image_name = config_dict['image_name']
|
||||
self.image_args = config_dict['image_args']
|
||||
self.fdt_support = boolean(config_dict['fdt_support'])
|
||||
except KeyError as e:
|
||||
raise ConfigError('Missing mandatory parameter for UEFI entry config: "{}"'.format(e))
|
||||
self.initrd = config_dict.get('initrd')
|
||||
self.fdt_path = config_dict.get('fdt_path')
|
||||
if self.fdt_path and not self.fdt_support:
|
||||
raise ConfigError('FDT path has been specfied for UEFI entry, when FDT support is "False"')
|
||||
|
||||
|
||||
class UefiMenu(object):
|
||||
"""
|
||||
Allows navigating UEFI menu over serial (it relies on a pexpect connection).
|
||||
|
||||
"""
|
||||
|
||||
option_regex = re.compile(r'^\[(\d+)\]\s+([^\r]+)\r\n', re.M)
|
||||
prompt_regex = re.compile(r'^(\S[^\r\n]+):\s*', re.M)
|
||||
invalid_regex = re.compile(r'Invalid input \(max (\d+)\)', re.M)
|
||||
|
||||
load_delay = 1 # seconds
|
||||
default_timeout = 60 # seconds
|
||||
|
||||
def __init__(self, conn, prompt='The default boot selection will start in'):
|
||||
"""
|
||||
:param conn: A serial connection as returned by ``pexect.spawn()``.
|
||||
:param prompt: The starting prompt to wait for during ``open()``.
|
||||
|
||||
"""
|
||||
self.conn = conn
|
||||
self.start_prompt = prompt
|
||||
self.options = {}
|
||||
self.prompt = None
|
||||
|
||||
def open(self, timeout=default_timeout):
|
||||
"""
|
||||
"Open" the UEFI menu by sending an interrupt on STDIN after seeing the
|
||||
starting prompt (configurable upon creation of the ``UefiMenu`` object.
|
||||
|
||||
"""
|
||||
self.conn.expect(self.start_prompt, timeout)
|
||||
self.conn.sendline('')
|
||||
time.sleep(self.load_delay)
|
||||
|
||||
def create_entry(self, name, config):
|
||||
"""Create a new UEFI entry using the parameters. The menu is assumed
|
||||
to be at the top level. Upon return, the menu will be at the top level."""
|
||||
logger.debug('Creating UEFI entry {}'.format(name))
|
||||
self.nudge()
|
||||
self.select('Boot Manager')
|
||||
self.select('Add Boot Device Entry')
|
||||
self.select('NOR Flash')
|
||||
self.enter(config.image_name)
|
||||
self.enter('y' if config.fdt_support else 'n')
|
||||
if config.initrd:
|
||||
self.enter('y')
|
||||
self.enter(config.initrd)
|
||||
else:
|
||||
self.enter('n')
|
||||
self.enter(config.image_args)
|
||||
self.enter(name)
|
||||
|
||||
if config.fdt_path:
|
||||
self.select('Update FDT path')
|
||||
self.enter(config.fdt_path)
|
||||
|
||||
self.select('Return to main menu')
|
||||
|
||||
def delete_entry(self, name):
|
||||
"""Delete the specified UEFI entry. The menu is assumed
|
||||
to be at the top level. Upon return, the menu will be at the top level."""
|
||||
logger.debug('Removing UEFI entry {}'.format(name))
|
||||
self.nudge()
|
||||
self.select('Boot Manager')
|
||||
self.select('Remove Boot Device Entry')
|
||||
self.select(name)
|
||||
self.select('Return to main menu')
|
||||
|
||||
def select(self, option, timeout=default_timeout):
|
||||
"""
|
||||
Select the specified option from the current menu.
|
||||
|
||||
:param option: Could be an ``int`` index of the option, or a string/regex to
|
||||
match option text against.
|
||||
:param timeout: If a non-``int`` option is specified, the option list may need
|
||||
need to be parsed (if it hasn't been already), this may block
|
||||
and the timeout is used to cap that , resulting in a ``TIMEOUT``
|
||||
exception.
|
||||
:param delay: A fixed delay to wait after sending the input to the serial connection.
|
||||
This should be set if input this action is known to result in a
|
||||
long-running operation.
|
||||
|
||||
"""
|
||||
if isinstance(option, basestring):
|
||||
option = self.get_option_index(option, timeout)
|
||||
self.enter(option)
|
||||
|
||||
def enter(self, value, delay=load_delay):
|
||||
"""Like ``select()`` except no resolution is performed -- the value is sent directly
|
||||
to the serial connection."""
|
||||
# Empty the buffer first, so that only response to the input about to
|
||||
# be sent will be processed by subsequent commands.
|
||||
value = str(value)
|
||||
self._reset()
|
||||
self.write_characters(value)
|
||||
# TODO: in case the value is long an complicated, things may get
|
||||
# screwed up (e.g. there may be line breaks injected), additionally,
|
||||
# special chars might cause regex to fail. To avoid these issues i'm
|
||||
# only matching against the first 5 chars of the value. This is
|
||||
# entirely arbitrary and I'll probably have to find a better way of
|
||||
# doing this at some point.
|
||||
self.conn.expect(value[:5], timeout=delay)
|
||||
time.sleep(self.load_delay)
|
||||
|
||||
def read_menu(self, timeout=default_timeout):
|
||||
"""Parse serial output to get the menu options and the following prompt."""
|
||||
attempting_timeout_retry = False
|
||||
attempting_invalid_retry = False
|
||||
while True:
|
||||
index = self.conn.expect([self.option_regex, self.prompt_regex, self.invalid_regex, TIMEOUT],
|
||||
timeout=timeout)
|
||||
match = self.conn.match
|
||||
if index == 0: # matched menu option
|
||||
self.options[match.group(1)] = match.group(2)
|
||||
elif index == 1: # matched prompt
|
||||
self.prompt = match.group(1)
|
||||
break
|
||||
elif index == 2: # matched invalid selection
|
||||
# We've sent an invalid input (which includes an empty line) at
|
||||
# the top-level menu. To get back the menu options, it seems we
|
||||
# need to enter what the error reports as the max + 1, so...
|
||||
if not attempting_invalid_retry:
|
||||
attempting_invalid_retry = True
|
||||
val = int(match.group(1)) + 1
|
||||
self.empty_buffer()
|
||||
self.enter(val)
|
||||
else: # OK, that didn't work; panic!
|
||||
raise RuntimeError('Could not read menu entries stuck on "{}" prompt'.format(self.prompt))
|
||||
elif index == 3: # timed out
|
||||
if not attempting_timeout_retry:
|
||||
attempting_timeout_retry = True
|
||||
self.nudge()
|
||||
else: # Didn't help. Run away!
|
||||
raise RuntimeError('Did not see a valid UEFI menu.')
|
||||
else:
|
||||
raise AssertionError('Unexpected response waiting for UEFI menu') # should never get here
|
||||
|
||||
def get_option_index(self, text, timeout=default_timeout):
|
||||
"""Returns the menu index of the specified option text (uses regex matching). If the option
|
||||
is not in the current menu, ``LookupError`` will be raised."""
|
||||
if not self.prompt:
|
||||
self.read_menu(timeout)
|
||||
for k, v in self.options.iteritems():
|
||||
if re.search(text, v):
|
||||
return k
|
||||
raise LookupError(text)
|
||||
|
||||
def has_option(self, text, timeout=default_timeout):
|
||||
"""Returns ``True`` if at least one of the options in the current menu has
|
||||
matched (using regex) the specified text."""
|
||||
try:
|
||||
self.get_option_index(text, timeout)
|
||||
return True
|
||||
except LookupError:
|
||||
return False
|
||||
|
||||
def nudge(self):
|
||||
"""Send a little nudge to ensure there is something to read. This is useful when you're not
|
||||
sure if all out put from the serial has been read already."""
|
||||
self.enter('')
|
||||
|
||||
def empty_buffer(self):
|
||||
"""Read everything from the serial and clear the internal pexpect buffer. This ensures
|
||||
that the next ``expect()`` call will time out (unless further input will be sent to the
|
||||
serial beforehand. This is used to create a "known" state and avoid unexpected matches."""
|
||||
try:
|
||||
while True:
|
||||
time.sleep(0.1)
|
||||
self.conn.read_nonblocking(size=1024, timeout=0.1)
|
||||
except TIMEOUT:
|
||||
pass
|
||||
self.conn.buffer = ''
|
||||
|
||||
def write_characters(self, line):
|
||||
"""Write a single line out to serial charcter-by-character. This will ensure that nothing will
|
||||
be dropped for longer lines."""
|
||||
line = line.rstrip('\r\n')
|
||||
for c in line:
|
||||
self.conn.send(c)
|
||||
time.sleep(0.05)
|
||||
self.conn.sendline('')
|
||||
|
||||
def _reset(self):
|
||||
self.options = {}
|
||||
self.prompt = None
|
||||
self.empty_buffer()
|
||||
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user