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event-data-logging-0.1.4
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مشاهده بیشتر
تبلیغات ما
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مشاهده بیشتر
تبلیغات ما
مشتریان به طور فزاینده ای آنلاین هستند. تبلیغات می تواند به آنها کمک کند تا کسب و کار شما را پیدا کنند.
مشاهده بیشترتوضیحات
Data writers with optional timestamps for logging of events
| ویژگی | مقدار |
|---|---|
| سیستم عامل | - |
| نام فایل | event-data-logging-0.1.4 |
| نام | event-data-logging |
| نسخه کتابخانه | 0.1.4 |
| نگهدارنده | [] |
| ایمیل نگهدارنده | [] |
| نویسنده | Thomas Mohren |
| ایمیل نویسنده | tlmohren@gmail.com |
| آدرس صفحه اصلی | https://github.com/maimonlab/event_data_logging |
| آدرس اینترنتی | https://pypi.org/project/event-data-logging/ |
| مجوز | MIT license |
# event_data_logging
Save events to json or csv files. This package comes in 4 flavors:
- CSVWriter
- StampedCSVWriter
- JSONWriter
- StampedJSONWriter
All of these will check if the given filename already exists and add a numerical suffix if it does to give a unused new filename. Additionally, if a filename that includes directories is used, the directories will be created if they don't exist, if possible.
The StampedWriters will add a leading entry with the current [epoch timestamp](https://www.wikiwand.com/en/Epoch_time) to each event or line saved. The default format is in seconds with fraction of a second as decimal numbers. Alternatively you can save the timestamps as nanoseconds instead.
Readme content:
- [Install](#install)
- [Usage](#usage)
- [Developing](#developing)
- [ros2 message handling](#rosmessage)
<a name=install></a>
## Install
Install from PYPI
pip install event_data_logging
Alternatively, install from github
pip install git+https://git@github.com/maimonlab/event_data_logging.git
<a name=usage></a>
## Usage
### JSON example without timestamps
```python
from event_data_logging.json_writer import JSONWriter
test_events = [
{"bar_color": [1, 2, 3]},
{"bar_width_degrees": 10},
{"example_float": 0.1},
]
filename = "data/json_data.json"
writer = JSONWriter(filename)
for event in test_events:
writer.save_event(event)
```
This would create the file `data/json_data.json` with content:
```
[
{"bar_color": [1, 2, 3]},
{"bar_width_degrees": 10},
{"example_float": 0.1}
]
```
### JSON example with timestamp
```python
from event_data_logging.json_writer import StampedJSONWriter
test_events = [
{"bar_color": [1, 2, 3]},
{"bar_width_degrees": 10},
{"example_float": 0.1},
]
filename = "data/stamped_json_data.json"
writer = StampedJSONWriter(filename)
for event in test_events:
writer.save_event(event)
```
This would create the file `data/stamped_json_data.json` with content:
```
[
{"timestamp": 1661201947.0682852, "bar_color": [1, 2, 3]},
{"timestamp": 1661201947.0683577, "bar_width_degrees": 10},
{"timestamp": 1661201947.0684075, "example_float": 0.1}
]
```
### CSV example with nanosecond timestamp
```python
from event_data_logging.csv_writer import StampedCSVWriter, TimestampModes
filename = "data/csv_data.csv"
xyz_header = ["x", "y", "z"]
csv_writer = StampedCSVWriter(
filename, header=xyz_header, timestamp_mode=TimestampModes.NANOSECONDS
)
for i in range(3):
line = [
str(10 * i + 1),
str(10 * i + 2),
str(10 * i + 3),
]
csv_writer.save_line(line)
```
This will give the file `data/csv_data.csv` with the following content:
```
timestamp,x,y,z
1661110000123456789,1,2,3
1661110001123456789,11,12,13
1661110002123456789,21,22,23
```
## Developing
<a name=developing></a>
To install the testing dependencies, install with
pip install -e .[test]
You can run the tests with pytest, and check the coverage. To do so, use the following commands:
coverage run -m pytest
The coverage report prints to the terminal with:
coverage report
This report shows how much of all the code is actually run during the test.
### Uploading to pypi
Build the distribution
python3 -m build
Upload the distribution to pypi
python3 -m twine upload --repository pypi dist/* --verbose
<a name=rosmessage></a>
### ros2_message_handling using outside dependencies
In our lab, this package is mainly used to save ros2 data, and thus turning ros2 messages to dictionaries is very common. The ros2_message_handling module therefore requires some ros2 packages to be installed, and is outside of the scope of most uses.
_The `test_ros2_message_handling.py` will thus fail in environments without ROS2.
\_We will likely remove this module before the stable release. the ros2_message handling should be integrated in it's own ros packages_
نیازمندی
| مقدار | نام |
|---|---|
| - | numpy |
| - | pytest |
| - | coverage |
زبان مورد نیاز
| مقدار | نام |
|---|---|
| >=3.6 | Python |
نحوه نصب
نصب پکیج whl event-data-logging-0.1.4:
pip install event-data-logging-0.1.4.whl
نصب پکیج tar.gz event-data-logging-0.1.4:
pip install event-data-logging-0.1.4.tar.gz