mirror of
https://github.com/rsms/inter.git
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89 lines
2.3 KiB
Python
89 lines
2.3 KiB
Python
#!/usr/bin/env python
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from __future__ import print_function
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import sys, os
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from os.path import dirname, abspath, join as pjoin
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import subprocess
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import time
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# patch PYTHONPATH to include $BASEDIR/build/venv/python/site-packages
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BASEDIR = abspath(pjoin(dirname(__file__), os.pardir, os.pardir))
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VENVDIR = pjoin(BASEDIR, 'build', 'venv')
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sys.path.append(pjoin(VENVDIR, 'lib', 'python', 'site-packages'))
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PYVER = sys.version_info[0]
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_enc_kwargs = {}
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if PYVER >= 3:
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_enc_kwargs = {'encoding': 'utf-8'}
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# Returns (output :str, success :bool)
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def execproc(*args):
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p = subprocess.run(
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args,
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shell=False,
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stdout=subprocess.PIPE,
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stderr=subprocess.STDOUT,
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**_enc_kwargs
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)
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return (p.stdout.strip(), p.returncode == 0)
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def readTextFile(filename):
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with open(filename, 'r', **_enc_kwargs) as f:
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return f.read()
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_gitHash = None
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_gitHashErrs = []
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def getGitHash(): # returns tuple (hash :string, errors :string[])
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global _gitHash
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if _gitHash is None:
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_gitHash = ''
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args = ['git', '-C', BASEDIR, 'rev-parse', '--short', 'HEAD']
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try:
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_gitHash = subprocess.check_output(args, stderr=subprocess.STDOUT, **_enc_kwargs).strip()
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except:
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_gitHashErrs.append(sys.exc_info()[0])
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try:
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# git rev-parse --short HEAD > githash.txt
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_gitHash = readTextFile(pjoin(BASEDIR, 'githash.txt')).strip()
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except:
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_gitHashErrs.append(sys.exc_info()[0])
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return (_gitHash, _gitHashErrs)
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_version = None
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def getVersion():
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global _version
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if _version is None:
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_version = readTextFile(pjoin(BASEDIR, 'version.txt')).strip()
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return _version
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_local_tz_offs = None
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def getLocalTimeZoneOffset(): # in seconds from UTC
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# seriously ugly hack to get timezone offset in Python
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global _local_tz_offs
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if _local_tz_offs is None:
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tzname = time.strftime("%Z", time.localtime())
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s = time.strftime('%z', time.strptime(tzname, '%Z'))
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i = 0
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neg = False
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if s[0] == '-':
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neg = True
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i = 1
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elif s[0] == '+':
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i = 1
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h = int(s[i:i+2])
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m = int(s[i+2:])
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_local_tz_offs = ((h * 60) + m) * 60
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if neg:
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_local_tz_offs = -_local_tz_offs
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return _local_tz_offs
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# update environment to include $VENVDIR/bin
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os.environ['PATH'] = os.path.join(VENVDIR, 'bin') + ':' + os.environ['PATH']
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