本文整理汇总了Python中filter.Filter.process_line方法的典型用法代码示例。如果您正苦于以下问题：Python Filter.process_line方法的具体用法？Python Filter.process_line怎么用？Python Filter.process_line使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类filter.Filter的用法示例。
在下文中一共展示了Filter.process_line方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: __init__
# 需要导入模块: from filter import Filter [as 别名]
# 或者: from filter.Filter import process_line [as 别名]
class Unlog:
"""Filter the output of a command or a log file according to pattern passed
in the *args* argument or according to a config file.
"""
def __init__(self, args):
""" **PARAMETERS**
* *args* - an ArgumentParser object containing all the option. Look at
:py:mod:`unlog.main` for the list of opitons.
"""
self._args = args
self._check_args()
if args.start_pattern:
self._filter_from_args()
else:
self._filter_from_config()
def _check_args(self):
"""Verify that the arguments are coherent. Exit with error code 2 if
incoherences are fonud.
"""
if not self._args.files and not self._args.start_pattern and not self._args.use_config_section:
sys.stderr.write("You must give a file or a start pattern.\n")
sys.exit(2)
if (self._args.start_group_pattern and not self._args.end_group_pattern) or (
not self._args.start_group_pattern and self._args.end_group_pattern
):
sys.stderr.write("You must --start-group and --end-group.")
sys.exit(2)
def _filter_from_args(self):
"""Filter the files or stdin according to the patterns give by the
arguments provided on the command line.
"""
config = copy.copy(self._args.__dict__)
# Must not be passed to filter (unuseful)
del config["files"]
# The following key are only used when processing from a config file
del config["config_file"]
del config["use_config_section"]
# The filter manipulates string in the proper encoding. No need to pass it.
del config["log_encoding"]
self._output_filter = Filter(**config)
# If no files are provided, read from stdin
if self._args.files:
self._files = self._args.files
self.process_files()
else:
self.process_stdin()
def process_files(self):
"""Loop on each file given on the command line and process them.
"""
for file in self._files:
self.process_file(file, log_encoding=self._args.log_encoding)
def process_file(self, file_name, log_encoding="utf-8"):
"""Open file_name and process it with :py:meth:`unlog.filter.Filter.process_file`
"""
try:
with open(file_name, "r", encoding=log_encoding) as file:
self._output_filter.process_file(file)
except IOError as e:
sys.stderr.write(str(e))
sys.stderr.write("\n")
def process_stdin(self):
"""Process each line on the stdin with
:py:meth:`unlog.filter.Filter.process_line`
"""
for line in iter(sys.stdin.readline, ""):
self._output_filter.process_line(line)
# We must print the stack when we reach the last line of stdin so that the
# errors located at the end are displayed.
self._output_filter.print_stack()
self._output_filter.send_mail()
def _filter_from_config(self):
"""Filter the files according to the patterns defined in the
configuration file.
"""
self._config = Config(self._args)
if self._args.files:
self.process_files_from_config()
else:
self._output_filter = self._config.get_filter()
self.process_stdin()
def process_files_from_config(self):
"""Loop over each file given on the command line and process them
according to the actions defined in the associated config file. The file
is then passed to :py:meth:`process_file_filter_from_config`.
"""
for file_name in self._args.files:
file_name = self._correct_path_input_file(file_name)
self.process_file_filter_from_config(file_name)
def _correct_path_input_file(self, file_name):
"""Expand the ~ variable and transform a relative path into an absolute
#.........这里部分代码省略.........