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chili-python-json-logger-2.1.0
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مشاهده بیشترتوضیحات
A python library adding a json log formatter
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | chili-python-json-logger-2.1.0 |
| نام | chili-python-json-logger |
| نسخه کتابخانه | 2.1.0 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Cosimo Meli |
| ایمیل نویسنده | cosimo.meli@chili.com |
| آدرس صفحه اصلی | https://github.com/chilispa/python-json-logger |
| آدرس اینترنتی | https://pypi.org/project/chili-python-json-logger/ |
| مجوز | BSD |
[](https://travis-ci.org/madzak/python-json-logger)
[](https://pypi.python.org/pypi/python-json-logger/)
[](https://pypi.python.org/pypi/python-json-logger/)
Overview
=======
This library is provided to allow standard python logging to output log data as json objects. With JSON we can make our logs more readable by machines and we can stop writing custom parsers for syslog type records.
News
=======
Hi, I see this package is quiet alive and I am sorry for ignoring it so long. I will be stepping up my maintenance of this package so please allow me a week to get things back in order (and most likely a new minor version) and i'll post and update here once I am caught up.
Installing
==========
Pip:
pip install python-json-logger
Pypi:
https://pypi.python.org/pypi/python-json-logger
Manual:
python setup.py install
Usage
=====
## Integrating with Python's logging framework
Json outputs are provided by the JsonFormatter logging formatter. You can add the custom formatter like below:
**Please note: version 0.1.0 has changed the import structure, please update to the following example for proper importing**
```python
import logging
from pythonjsonlogger import jsonlogger
logger = logging.getLogger()
logHandler = logging.StreamHandler()
formatter = jsonlogger.JsonFormatter()
logHandler.setFormatter(formatter)
logger.addHandler(logHandler)
```
## Customizing fields
The fmt parser can also be overidden if you want to have required fields that differ from the default of just `message`.
These two invocations are equivalent:
```python
class CustomJsonFormatter(jsonlogger.JsonFormatter):
def parse(self):
return self._fmt.split(';')
formatter = CustomJsonFormatter('one;two')
# is equivalent to:
formatter = jsonlogger.JsonFormatter('%(one)s %(two)s')
```
You can also add extra fields to your json output by specifying a dict in place of message, as well as by specifying an `extra={}` argument.
Contents of these dictionaries will be added at the root level of the entry and may override basic fields.
You can also use the `add_fields` method to add to or generally normalize the set of default set of fields, it is called for every log event. For example, to unify default fields with those provided by [structlog](http://www.structlog.org/) you could do something like this:
```python
class CustomJsonFormatter(jsonlogger.JsonFormatter):
def add_fields(self, log_record, record, message_dict):
super(CustomJsonFormatter, self).add_fields(log_record, record, message_dict)
if not log_record.get('timestamp'):
# this doesn't use record.created, so it is slightly off
now = datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%S.%fZ')
log_record['timestamp'] = now
if log_record.get('level'):
log_record['level'] = log_record['level'].upper()
else:
log_record['level'] = record.levelname
formatter = CustomJsonFormatter('%(timestamp)s %(level)s %(name)s %(message)s')
```
Items added to the log record will be included in *every* log message, no matter what the format requires.
## Adding custom object serialization
For custom handling of object serialization you can specify default json object translator or provide a custom encoder
```python
def json_translate(obj):
if isinstance(obj, MyClass):
return {"special": obj.special}
formatter = jsonlogger.JsonFormatter(json_default=json_translate,
json_encoder=json.JSONEncoder)
logHandler.setFormatter(formatter)
logger.info({"special": "value", "run": 12})
logger.info("classic message", extra={"special": "value", "run": 12})
```
## Using a Config File
To use the module with a config file using the [`fileConfig` function](https://docs.python.org/3/library/logging.config.html#logging.config.fileConfig), use the class `pythonjsonlogger.jsonlogger.JsonFormatter`. Here is a sample config file.
```ini
[loggers]
keys = root,custom
[logger_root]
handlers =
[logger_custom]
level = INFO
handlers = custom
qualname = custom
[handlers]
keys = custom
[handler_custom]
class = StreamHandler
level = INFO
formatter = json
args = (sys.stdout,)
[formatters]
keys = json
[formatter_json]
format = %(message)s
class = pythonjsonlogger.jsonlogger.JsonFormatter
```
Example Output
==============
Sample JSON with a full formatter (basically the log message from the unit test). Every log message will appear on 1 line like a typical logger.
```json
{
"threadName": "MainThread",
"name": "root",
"thread": 140735202359648,
"created": 1336281068.506248,
"process": 41937,
"processName": "MainProcess",
"relativeCreated": 9.100914001464844,
"module": "tests",
"funcName": "testFormatKeys",
"levelno": 20,
"msecs": 506.24799728393555,
"pathname": "tests/tests.py",
"lineno": 60,
"asctime": ["12-05-05 22:11:08,506248"],
"message": "testing logging format",
"filename": "tests.py",
"levelname": "INFO",
"special": "value",
"run": 12
}
```
External Examples
=================
- [Wesley Tanaka - Structured log files in Python using python-json-logger](https://wtanaka.com/node/8201)
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.4 | Python |
نحوه نصب
نصب پکیج whl chili-python-json-logger-2.1.0:
pip install chili-python-json-logger-2.1.0.whl
نصب پکیج tar.gz chili-python-json-logger-2.1.0:
pip install chili-python-json-logger-2.1.0.tar.gz