98 lines
2.1 KiB
Python
98 lines
2.1 KiB
Python
import sys, os, errno
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import vars
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def atoi(v):
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try:
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return int(v or 0)
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except ValueError:
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return 0
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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:
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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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