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#!/usr/bin/env python3 |
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# -*- coding: utf-8 -*- |
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import argparse |
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from os.path import abspath, basename, dirname, exists, expandvars, isdir, isfile, join |
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import json |
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import os |
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import fnmatch |
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import subprocess |
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import sys |
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import yaml |
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def json_parse(string): |
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""" Parse a JSON string into a dictionary """ |
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try: |
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return json.loads(string) |
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except Exception as e: |
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msg = 'Error parsing JSON config: {}'.format(str(e)) |
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print(msg, file=sys.stderr) |
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raise TypeError(msg) |
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def kv_parse(string): |
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""" Parse a string of the form foo=bar into a dictionary """ |
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try: |
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key, val = string.split('=', 1) |
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if key is None or key == '': |
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raise TypeError('Empty key') |
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except Exception as e: |
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err = "Invalid key found parsing KV string '{}': {}".format(string, str(e)) |
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print(err, file=sys.stderr) |
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raise |
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return { key: val } |
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def read_context(yaml_file): |
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yaml_file = yaml_file.__str__() |
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with open(yaml_file, 'r') as f: |
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try: |
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in_vars = yaml.load(f, Loader=yaml.SafeLoader) |
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if in_vars is None: |
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raise TypeError("'{}' contains no data".format(yaml_file)) |
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except TypeError as exc: |
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raise exc |
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return in_vars |
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def recursive_iglob(rootdir='.', pattern='*'): |
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for root, dirnames, filenames in os.walk(rootdir): |
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for filename in fnmatch.filter(filenames, pattern): |
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yield os.path.join(root, filename) |
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def path(fspath, type='file'): |
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""" |
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Checks if a filesystem path exists with the correct type |
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""" |
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fspath = abspath(expandvars(str(fspath))) |
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msg = None |
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prefix = "path '{0}'".format(fspath) |
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if not exists(fspath): |
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msg = "{0} does not exist".format(prefix) |
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if type == 'file' and isdir(fspath): |
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msg = "{0} is not a file".format(prefix) |
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if msg is not None: |
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print(msg, file=sys.stderr) |
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raise argparse.ArgumentTypeError(msg) |
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return fspath |
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def file_or_stdin(file): |
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# /dev/stdin is a special case allowing bash (and other shells?) to name stdin |
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# as a file. While python should have no problem reading from it, we actually |
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# read template relative to the template's basedir and /dev has no templates. |
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if file == '-' or file == '/dev/stdin': |
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return '-' |
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return path(file) |
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def cmd(args): |
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return subprocess.check_output(args.split(' ')).decode('utf-8').strip() |
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def load_file(file): |
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return open(file, encoding='utf-8').read().strip() |
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shalomb /
inji
