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# Copyright 2014 Huawei Technologies Co. Ltd
#
# 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.
"""Module to provider installing progress calculation for the adapter.
.. moduleauthor:: Xiaodong Wang <xiaodongwang@huawei.com>
"""
import logging
import re
class AdapterItemMatcher(object):
"""Progress matcher for the os installing or package installing."""
def __init__(self, file_matchers):
self.file_matchers_ = file_matchers
def __repr__(self):
return '%r[file_matchers: %r]' % (
self.__class__.__name__, self.file_matchers_
)
def update_progress(
self, file_reader_factory, name, state, log_history_mapping
):
"""Update progress.
:param name: the fullname of the installing host.
:type name: str
:param progress: Progress instance to update.
"""
for file_matcher in self.file_matchers_:
filename = file_matcher.filename_
if filename not in log_history_mapping:
log_history_mapping[filename] = {
'filename': filename,
'partial_line': '',
'position': 0,
'line_matcher_name': 'start',
'percentage': 0.0,
'message': '',
'severity': 'INFO'
}
log_history = log_history_mapping[filename]
file_matcher.update_progress(
file_reader_factory, name, state, log_history
)
class OSMatcher(object):
"""Progress matcher for os installer."""
def __init__(
self, os_installer_name,
os_pattern, item_matcher,
file_reader_factory
):
self.name_ = re.compile(os_installer_name)
self.os_regex_ = re.compile(os_pattern)
self.matcher_ = item_matcher
self.file_reader_factory_ = file_reader_factory
def __repr__(self):
return '%r[name:%r, os_pattern:%r, matcher:%r]' % (
self.__class__.__name__, self.name_.pattern,
self.os_regex_.pattern, self.matcher_)
def match(self, os_installer_name, os_name):
"""Check if the os matcher is acceptable."""
if os_name is None:
return False
else:
return all([
self.name_.match(os_installer_name),
self.os_regex_.match(os_name)
])
def update_progress(self, name, state, log_history_mapping):
"""Update progress."""
self.matcher_.update_progress(
self.file_reader_factory_, name, state, log_history_mapping)
class PackageMatcher(object):
"""Progress matcher for package installer."""
def __init__(
self, package_installer_name, adapter_pattern,
item_matcher, file_reader_factory
):
self.name_ = re.compile(package_installer_name)
self.adapter_regex_ = re.compile(adapter_pattern)
self.matcher_ = item_matcher
self.file_reader_factory_ = file_reader_factory
def __repr__(self):
return '%s[name:%s, adapter_pattern:%s, matcher:%s]' % (
self.__class__.__name__, self.name_.pattern,
self.adapter_regex_.pattern, self.matcher_)
def match(self, package_installer_name, adapter_name):
"""Check if the package matcher is acceptable."""
if package_installer_name is None:
return False
else:
return all([
self.name_.match(package_installer_name),
self.adapter_regex_.match(adapter_name)
])
def update_progress(self, name, state, log_history_mapping):
"""Update progress."""
self.matcher_.update_progress(
self.file_reader_factory_, name, state, log_history_mapping
)
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