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https://github.com/waveform80/structa
A small utility for analyzing data structures (e.g. JSON files)
https://github.com/waveform80/structa
csv data-analysis data-visualization datajournalism datawrangling json yaml
Last synced: 3 months ago
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A small utility for analyzing data structures (e.g. JSON files)
- Host: GitHub
- URL: https://github.com/waveform80/structa
- Owner: waveform80
- License: other
- Created: 2018-12-17T11:15:49.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2023-05-05T08:32:28.000Z (over 1 year ago)
- Last Synced: 2024-09-28T10:02:41.757Z (3 months ago)
- Topics: csv, data-analysis, data-visualization, datajournalism, datawrangling, json, yaml
- Language: Python
- Homepage: https://structa.readthedocs.io/
- Size: 495 KB
- Stars: 4
- Watchers: 3
- Forks: 1
- Open Issues: 8
-
Metadata Files:
- Readme: README.rst
- License: LICENSE.txt
Awesome Lists containing this project
README
=======
structa
=======
structa is a small, semi-magical utility for discerning the "overall structure"
of large data files. Typically this is something like a document oriented
database in JSON format, or a CSV file of a database dump, or a YAML document.
Usage
=====
Use from the command line::
structa
The usual ``--help`` and ``--version`` switches are available for more
information. The full `documentation`_ may also help understanding the myriad
switches!
Examples
========
The `People in Space API`_ shows the number of people currently in space, and
their names and craft name::
curl -s http://api.open-notify.org/astros.json | structa
Output::
{
'message': str range="success" pattern="success",
'number': int range=10,
'people': [
{
'craft': str range="ISS".."Tiangong",
'name': str range="Akihiko Hoshide".."Thomas Pesquet"
}
]
}
The `Python Package Index`_ (PyPI) provides a JSON API for packages. You can
feed the JSON of several packages to ``structa`` to get an idea of the overall
structure of these records (when structa is given multiple inputs on the same
invocation, it assumes all have a common source)::
for pkg in numpy scipy pandas matplotlib structa; do
curl -s https://pypi.org/pypi/$pkg/json > $pkg.json
done
structa numpy.json scipy.json pandas.json matplotlib.json structa.json
Output::
{
'info': { str: value },
'last_serial': int range=11.9M..13.1M,
'releases': {
str range="0.1".."3.5.1": [
{
'comment_text': str,
'digests': {
'md5': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
'sha256': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
},
'downloads': int range=-1,
'filename': str,
'has_sig': bool,
'md5_digest': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
'packagetype': str range="bdist_wheel".."sdist",
'python_version': str range="2.4".."source",
'requires_python': value,
'size': int range=39.3K..118.4M,
'upload_time': str of timestamp range=2006-01-09 14:02:01..2022-03-10 16:45:20 pattern="%Y-%m-%dT%H:%M:%S",
'upload_time_iso_8601': str of timestamp range=2009-04-06 06:19:25..2022-03-10 16:45:20 pattern="%Y-%m-%dT%H:%M:%S.%f%z",
'url': URL,
'yanked': bool,
'yanked_reason': value
}
]
},
'urls': [
{
'comment_text': str range="",
'digests': {
'md5': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
'sha256': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"
},
'downloads': int range=-1,
'filename': str,
'has_sig': bool,
'md5_digest': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
'packagetype': str range="bdist_wheel".."sdist",
'python_version': str range="cp310".."source",
'requires_python': value,
'size': int range=47.2K..55.6M,
'upload_time': str of timestamp range=2021-10-27 23:57:01..2022-03-10 16:45:20 pattern="%Y-%m-%dT%H:%M:%S",
'upload_time_iso_8601': str of timestamp range=2021-10-27 23:57:01..2022-03-10 16:45:20 pattern="%Y-%m-%dT%H:%M:%S.%f%z",
'url': URL,
'yanked': bool,
'yanked_reason': value
}
],
'vulnerabilities': [ empty ]
}
The `Ubuntu Security Notices`_ database contains the list of all security
issues in releases of Ubuntu (warning, this one takes some time to analyze and
eats about a gigabyte of RAM while doing so)::
curl -s https://usn.ubuntu.com/usn-db/database.json | structa
Output::
{
str range="1430-1".."4630-1" pattern="dddd-d": {
'action'?: str,
'cves': [ str ],
'description': str,
'id': str range="1430-1".."4630-1" pattern="dddd-d",
'isummary'?: str,
'releases': {
str range="artful".."zesty": {
'allbinaries'?: {
str: { 'version': str }
},
'archs'?: {
str range="all".."source": {
'urls': {
URL: {
'md5': str pattern="xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx",
'size': int range=20..1.2G
}
}
}
},
'binaries': {
str: { 'version': str }
},
'sources': {
str: {
'description': str,
'version': str
}
}
}
},
'summary': str,
'timestamp': float of timestamp range=2012-04-27 12:57:41..2020-11-11 18:01:48,
'title': str
}
}
.. _documentation: https://structa.readthedocs.io/
.. _People in Space API: http://open-notify.org/Open-Notify-API/People-In-Space/
.. _Python Package Index: https://pypi.org/
.. _Ubuntu Security Notices: https://usn.ubuntu.com/usn-db/database.json