94b0e7166e
atoi() was getting redundant, and unfortunately we can't easily load helpers.py in some places where we'd want to, because it depends on vars.py. So move it to its own module.
94 lines
2.1 KiB
Python
94 lines
2.1 KiB
Python
import sys, os, errno
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import vars
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def unlink(f):
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"""Delete a file at path 'f' if it currently exists.
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Unlike os.unlink(), does not throw an exception if the file didn't already
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exist.
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"""
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try:
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os.unlink(f)
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except OSError, e:
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if e.errno == errno.ENOENT:
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pass # it doesn't exist, that's what you asked for
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def mkdirp(d, mode=None):
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"""Recursively create directories on path 'd'.
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Unlike os.makedirs(), it doesn't raise an exception if the last element of
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the path already exists.
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"""
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try:
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if mode:
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os.makedirs(d, mode)
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else:
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os.makedirs(d)
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except OSError, e:
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if e.errno == errno.EEXIST:
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pass
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else:
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raise
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def _log(s):
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sys.stdout.flush()
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sys.stderr.write(s)
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sys.stderr.flush()
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def _clog(s):
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if vars.VERBOSE: _log('\n')
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_log('\x1b[32mredo %s\x1b[1m%s\x1b[m' % (vars.DEPTH, s))
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def _bwlog(s):
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if vars.VERBOSE: _log('\n')
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_log('redo %s%s' % (vars.DEPTH, s))
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def _cerr(s):
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_log('\x1b[31mredo: %s\x1b[1m%s\x1b[m' % (vars.DEPTH, s))
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def _bwerr(s):
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_log('redo: %s%s' % (vars.DEPTH, s))
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if os.isatty(2):
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log = _clog
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err = _cerr
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else:
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log = _bwlog
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err = _bwerr
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def debug(s):
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if vars.DEBUG >= 1:
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_log('redo: %s%s' % (vars.DEPTH, s))
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def debug2(s):
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if vars.DEBUG >= 2:
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_log('redo: %s%s' % (vars.DEPTH, s))
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def relpath(t, base):
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t = os.path.abspath(t)
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tparts = t.split('/')
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bparts = base.split('/')
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for tp,bp in zip(tparts,bparts):
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if tp != bp:
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break
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tparts.pop(0)
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bparts.pop(0)
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while bparts:
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tparts.insert(0, '..')
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bparts.pop(0)
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return '/'.join(tparts)
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def sname(typ, t):
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# FIXME: t.replace(...) is non-reversible and non-unique here!
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tnew = relpath(t, vars.BASE)
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#log('sname: (%r) %r -> %r\n' % (vars.BASE, t, tnew))
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return vars.BASE + ('/.redo/%s^%s' % (typ, tnew.replace('/', '^')))
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def add_dep(t, mode, dep):
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open(sname('dep', t), 'a').write('%s %s\n' % (mode, dep))
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