xaeian 0.5.3

Python utilities for files, strings, time, serial, structs, media, electronics, plotting, and database and more...

Xaeian

Python utilities. Zero dependencies for core. Optional extras for time, serial, media, database and more...

Install

pip install xaeian            # core
pip install xaeian[time]      # + pytz, tzlocal
pip install xaeian[serial]    # + pyserial
pip install xaeian[plot]      # + matplotlib
pip install xaeian[dsp]       # + scipy
pip install xaeian[db]        # + pymysql, psycopg2
pip install xaeian[db-async]  # + aiomysql, asyncpg, aiosqlite
pip install xaeian[media]     # + pypdf, PyMuPDF, Pillow
pip install xaeian[pdf]       # + reportlab, Pillow
pip install xaeian[eda]       # + sexpdata, pypdf, PyMuPDF
pip install xaeian[sftp]      # + paramiko
pip install xaeian[all]       # everything

Examples

from xaeian import FILE, JSON, CSV, logger, split_str, generate_password
from xaeian.xtime import Time
from xaeian.crc import crc16_modbus
from xaeian.db import Database

# Files: auto extension, context-based paths
JSON.save("config", {"debug": True, "port": 8080})
CSV.save("users", [{"name": "Jan", "age": 30}, {"name": "Anna", "age": 25}])

# Time: parse anything, arithmetic with strings
t = Time("2025-03-01") + "2w 3d"
t.round("w") # Monday 00:00
t.to("iso") # "2025-03-17T00:00:00+01:00"

# CRC: encode/decode with Modbus, ISO, custom
frame = crc16_modbus.encode(b"\x01\x03\x00\x00\x00\x0A")
assert crc16_modbus.decode(frame) is not None

# String tools
split_str('a,"b,c",d', sep=",") # ['a', '"b,c"', 'd']
generate_password(16) # 'aB3$xY9!mN2@pQ7&'

# Database: sqlite/mysql/postgres, sync/async
db = Database("sqlite", "app.db")
db.insert("users", {"name": "Jan", "settings": {"theme": "dark"}})
db.find("users", order="name", limit=10)
async with db.transaction():
  db.update("users", {"verified": True}, "id = ?", 42)

# Plot: fluent, stacked panels, auto datetime
from xaeian.plot import Plot
(Plot(theme="dark")
  .line(t, temp, "Temperature [°C]")
  .panel()
  .line(t, hum, "Humidity [%]")
  .title("Sensors")
  .save("dashboard.png"))

# DSP: immutable signals, filters, FFT, vibration metrics
from xaeian.dsp import Signal
sig = Signal.from_accel(raw_x, fs=6666, bits=16, g_range=2)
clean = sig.highpass(10).lowpass(500)
print(f"RMS:{clean.rms:.4f}  peak_freq:{clean.fft().peak_freq:.0f}Hz")

# Binary structs: C-like encoding with CRC, bitfields, scale/offset
from xaeian.cstruct import Struct, Field, Bitfield, Type, Endian
from xaeian.crc import crc32_iso
pkt = Struct(endian=Endian.little, crc=crc32_iso)
pkt.add(
  Field(Type.uint32, "timestamp", "s"),
  Bitfield("flags", [("enabled", 1), ("error", 1), ("mode", 6)]),
  Field(Type.float, "temperature", "°C"),
)
flags = {"enabled": 1, "error": 0, "mode": 5}
raw = pkt.encode({"timestamp": 1234567890, "flags": flags, "temperature": 23.5})
pkt.decode(raw) # {"timestamp": 1234567890, "flags": {...}, "temperature": 23.5}

# Media: compress, strip metadata
from xaeian.media.min import compress
compress("report.pdf") # → report-min.pdf
compress("photos/", max_px=1280) # → photos-min/ (recursive)

# Logging: colored, rotating
log = logger("app", file="app.log")
log.info("started") # 2025-03-01 14:32:01 INF started

CLI

xn tree .                     # directory tree
xn dupes photos/              # find duplicates
xn wifi                       # saved Wi-Fi passwords
xn min report.pdf             # compress PDF
xn min photo.jpg -f avif      # convert to AVIF
xn min photos/ --max-px 1280  # batch resize
xn meta photo.jpg -i          # strip EXIF in-place
xn ico logo.png -o favicon.ico

Modules

Module	Description	Docs
files	FILE, DIR, PATH, JSON, CSV, INI	xaeian/readme.md
files_async	Async wrappers via asyncio.to_thread()	xaeian/readme.md
table	Lightweight tabular ops on list[dict]	xaeian/readme.md
xstring	Split, replace, strip comments, passwords	xaeian/readme.md
xtime	Datetime parsing, arithmetic, rounding	xaeian/readme.md
colors	ANSI 256-color terminal codes	xaeian/readme.md
log	Colored logging with file rotation	xaeian/readme.md
crc	CRC-8/16/32 with predefined variants	xaeian/readme.md
cstruct	Binary struct serialization (C-like)	xaeian/readme.md
cmd	Shell command helpers	xaeian/readme.md
serial_port	Serial communication with colored output	xaeian/readme.md
cbash	Embedded device console protocol	xaeian/readme.md
plot	Fluent matplotlib wrapper with stacked panels	xaeian/readme.md
dsp	Signal processing, SOS filters, FFT, vibration	xaeian/readme.md
db	Database abstraction (SQLite, MySQL, PostgreSQL)	xaeian/db/readme.md
media	Compress, convert, strip metadata (PDF & images)	xaeian/media/readme.md
pdf	PDF document generation (reportlab)	xaeian/pdf/readme.md
eda	E-series, KiCad export, NgSpice runner	xaeian/eda/readme.md
net	Network clients (SFTP, FTP)	xaeian/net/readme.md
cli	tree, dupes, wifi scripts	xaeian/cli/readme.md