add python framework with basic routines
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.gitignore
vendored
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.gitignore
vendored
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*.swp
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Session.vim
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__pycache__
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# roadmap
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- [x] virtualenv
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- [x] git repo
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- [ ] implement config file
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- [ ] how to make a daemon?
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- [x] how to make a daemon?
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- [ ] get argparse working
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- [ ] implement config file
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- [ ] model default system
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- [ ] list / add / edit / delete operating systems
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- [ ] model -> storage -> bool overwrite_always false
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# cli
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./quickos os storage
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os: operating_system
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storage: storage where to flash the os
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- install a system (arch, ubuntu, debian, suse, etc.) to a stick
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- list / add / edit / delete operating systems
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- string label
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- string uuid
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[- bool overwrite_always false]
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1
__init__.py
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__init__.py
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all = ['pyf']
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BIN
__pycache__/pyf.cpython-35.pyc
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BIN
__pycache__/pyf.cpython-35.pyc
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Binary file not shown.
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database.txt
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database.txt
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{
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"raspbian": {
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"file_url":"https://downloads.raspberrypi.org/raspbian_latest",
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"test_url":"http://downloads.raspberrypi.org/raspbian/release_notes.txt",
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"interval":"5",
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"file_name": "",
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"test_name":"",
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"test_sha256":"",
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"last_check":""
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}
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}
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37
index.html
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37
index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<title>willipink</title>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<meta name="robots" content="noindex">
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<meta name="msapplication-TileColor" content="#ffffff">
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<meta name="msapplication-TileImage" content="/favicon/ms-icon-144x144.png">
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<meta name="theme-color" content="#ffffff">
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<link rel="apple-touch-icon" sizes="57x57" href="/favicon/apple-icon-57x57.png">
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<link rel="apple-touch-icon" sizes="60x60" href="/favicon/apple-icon-60x60.png">
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<link rel="apple-touch-icon" sizes="72x72" href="/favicon/apple-icon-72x72.png">
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<link rel="apple-touch-icon" sizes="76x76" href="/favicon/apple-icon-76x76.png">
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<link rel="apple-touch-icon" sizes="114x114" href="/favicon/apple-icon-114x114.png">
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<link rel="apple-touch-icon" sizes="120x120" href="/favicon/apple-icon-120x120.png">
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<link rel="apple-touch-icon" sizes="144x144" href="/favicon/apple-icon-144x144.png">
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<link rel="apple-touch-icon" sizes="152x152" href="/favicon/apple-icon-152x152.png">
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<link rel="apple-touch-icon" sizes="180x180" href="/favicon/apple-icon-180x180.png">
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<link rel="icon" type="image/png" sizes="192x192" href="/favicon/android-icon-192x192.png">
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<link rel="icon" type="image/png" sizes="32x32" href="/favicon/favicon-32x32.png">
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<link rel="icon" type="image/png" sizes="96x96" href="/favicon/favicon-96x96.png">
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<link rel="icon" type="image/png" sizes="16x16" href="/favicon/favicon-16x16.png">
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<link rel="manifest" href="/favicon/manifest.json">
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<link rel="stylesheet" type="text/css" href="/css/styles.css">
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<base target="_parent">
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</head>
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<body>
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<iframe src="navi.html"></iframe>
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<p>Hello world!</p>
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</body>
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</html>
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31
pyf.py
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pyf.py
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''' pyf - a simple python framework '''
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import os
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WORKDIR = os.getcwd()
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def prt(message):
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''' print a message with style '''
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print('::: {}'.format(message))
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def download(url, file_name, progress=True):
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''' download a given url to a file
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@return the absolute filename
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'''
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from urllib.request import urlretrieve
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if progress:
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from tqdm import tqdm
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prt('downloading {}'.format(url))
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file_name = '{}/{}'.format(WORKDIR, url.split('/')[-1])
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class TqdmUpTo(tqdm):
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def update_to(self, b=1, bsize=1, tsize=None):
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if tsize is not None:
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self.total = tsize
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self.update(b * bsize - self.n)
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with TqdmUpTo(unit='B', unit_scale=True, miniters=1, desc=file_name) as t:
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urlretrieve(url, filename=file_name, reporthook=t.update_to)
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else:
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urlretrieve(url, filename=file_name)
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101
quickos.py
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101
quickos.py
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#!/usr/bin/env python3
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from pprint import pprint
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import daemon
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import time
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import argparse
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import os
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import json
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from pyf import download, prt
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WORKDIR = os.getcwd()
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TMP = '/tmp/quickos.log'
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def init_parser():
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''' initialize the argument parser
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@return agrs: the parsed arguments
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'''
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parser = argparse.ArgumentParser(description='flash linux operating systems on the fly')
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parser.add_argument('os',
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default='arch',
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metavar='os',
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help='the operating system that should be flashed')
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parser.add_argument('storage',
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metavar='storage',
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help='the storage where the os shall be flashed')
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return parser.parse_args()
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def log(message):
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''' write to logfile TMP
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@param message: the message which shall be written to the log file
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'''
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with open(TMP, 'a') as f:
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f.write('{} {}\n'.format(time.ctime(), message))
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# algo check if new version should be downloaded
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# a: is image file there?
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# -> no: download image file
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# -> yes: goto b
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#
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# b: is the age of the file older than *today* - *interval*
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# -> no: break
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# -> yes: goto c
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#
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# c: is there a *testfile_sha256* sum?
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# -> no: download image file
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# -> yes: goto d
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#
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# d: download testfile
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# is sha256 sum of testfile and *testfile_sha256* equivalent?
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# -> no: download image file
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# -> yes: break
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def check_update(database):
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''' check if update is necessary '''
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from urllib.parse import urlparse
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from os import path
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for name, ops in database.items():
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prt('checking operating system {} ...'.format(name))
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if ops['file_name'] == '':
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file_name = urlparse(ops['file_url'])
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file_name = file_name.path
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file_name = path.basename(file_name)
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print(file_name)
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download(ops['file_url'], file_name)
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continue
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def read_os_database():
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''' read the os database.txt file
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@return a json object of the database
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'''
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with open('{}/database.txt'.format(WORKDIR), 'r') as f:
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return json.load(f)
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# https://stackoverflow.com/questions/4637420/efficient-python-daemon#8375012
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def run_daemon():
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''' run the daemon '''
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with daemon.DaemonContext():
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check_update()
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if __name__ == '__main__':
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args = init_parser()
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database = read_os_database()
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check_update(database)
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# run_daemon()
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