832 lines
25 KiB
Python
832 lines
25 KiB
Python
# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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"""
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BitBake Utility Functions
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"""
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# Copyright (C) 2004 Michael Lauer
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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import re, fcntl, os, string, stat, shutil, time
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import sys
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import errno
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import logging
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import bb
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import bb.msg
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from commands import getstatusoutput
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from contextlib import contextmanager
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logger = logging.getLogger("BitBake.Util")
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# Version comparison
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separators = ".-"
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# Context used in better_exec, eval
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_context = {
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"os": os,
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"bb": bb,
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"time": time,
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}
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def explode_version(s):
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r = []
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alpha_regexp = re.compile('^([a-zA-Z]+)(.*)$')
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numeric_regexp = re.compile('^(\d+)(.*)$')
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while (s != ''):
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if s[0] in string.digits:
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m = numeric_regexp.match(s)
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r.append(int(m.group(1)))
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s = m.group(2)
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continue
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if s[0] in string.letters:
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m = alpha_regexp.match(s)
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r.append(m.group(1))
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s = m.group(2)
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continue
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r.append(s[0])
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s = s[1:]
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return r
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def vercmp_part(a, b):
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va = explode_version(a)
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vb = explode_version(b)
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sa = False
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sb = False
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while True:
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if va == []:
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ca = None
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else:
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ca = va.pop(0)
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if vb == []:
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cb = None
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else:
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cb = vb.pop(0)
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if ca == None and cb == None:
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return 0
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if isinstance(ca, basestring):
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sa = ca in separators
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if isinstance(cb, basestring):
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sb = cb in separators
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if sa and not sb:
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return -1
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if not sa and sb:
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return 1
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if ca > cb:
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return 1
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if ca < cb:
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return -1
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def vercmp(ta, tb):
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(ea, va, ra) = ta
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(eb, vb, rb) = tb
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r = int(ea or 0) - int(eb or 0)
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if (r == 0):
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r = vercmp_part(va, vb)
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if (r == 0):
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r = vercmp_part(ra, rb)
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return r
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_package_weights_ = {"pre":-2, "p":0, "alpha":-4, "beta":-3, "rc":-1} # dicts are unordered
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_package_ends_ = ["pre", "p", "alpha", "beta", "rc", "cvs", "bk", "HEAD" ] # so we need ordered list
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def relparse(myver):
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"""Parses the last elements of a version number into a triplet, that can
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later be compared.
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"""
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number = 0
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p1 = 0
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p2 = 0
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mynewver = myver.split('_')
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if len(mynewver) == 2:
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# an _package_weights_
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number = float(mynewver[0])
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match = 0
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for x in _package_ends_:
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elen = len(x)
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if mynewver[1][:elen] == x:
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match = 1
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p1 = _package_weights_[x]
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try:
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p2 = float(mynewver[1][elen:])
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except:
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p2 = 0
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break
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if not match:
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# normal number or number with letter at end
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divider = len(myver)-1
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if myver[divider:] not in "1234567890":
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# letter at end
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p1 = ord(myver[divider:])
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number = float(myver[0:divider])
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else:
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number = float(myver)
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else:
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# normal number or number with letter at end
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divider = len(myver)-1
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if myver[divider:] not in "1234567890":
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#letter at end
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p1 = ord(myver[divider:])
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number = float(myver[0:divider])
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else:
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number = float(myver)
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return [number, p1, p2]
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__vercmp_cache__ = {}
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def vercmp_string(val1, val2):
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"""This takes two version strings and returns an integer to tell you whether
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the versions are the same, val1>val2 or val2>val1.
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"""
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# quick short-circuit
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if val1 == val2:
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return 0
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valkey = val1 + " " + val2
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# cache lookup
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try:
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return __vercmp_cache__[valkey]
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try:
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return - __vercmp_cache__[val2 + " " + val1]
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except KeyError:
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pass
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except KeyError:
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pass
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# consider 1_p2 vc 1.1
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# after expansion will become (1_p2,0) vc (1,1)
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# then 1_p2 is compared with 1 before 0 is compared with 1
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# to solve the bug we need to convert it to (1,0_p2)
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# by splitting _prepart part and adding it back _after_expansion
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val1_prepart = val2_prepart = ''
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if val1.count('_'):
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val1, val1_prepart = val1.split('_', 1)
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if val2.count('_'):
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val2, val2_prepart = val2.split('_', 1)
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# replace '-' by '.'
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# FIXME: Is it needed? can val1/2 contain '-'?
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val1 = val1.split("-")
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if len(val1) == 2:
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val1[0] = val1[0] + "." + val1[1]
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val2 = val2.split("-")
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if len(val2) == 2:
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val2[0] = val2[0] + "." + val2[1]
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val1 = val1[0].split('.')
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val2 = val2[0].split('.')
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# add back decimal point so that .03 does not become "3" !
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for x in xrange(1, len(val1)):
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if val1[x][0] == '0' :
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val1[x] = '.' + val1[x]
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for x in xrange(1, len(val2)):
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if val2[x][0] == '0' :
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val2[x] = '.' + val2[x]
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# extend varion numbers
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if len(val2) < len(val1):
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val2.extend(["0"]*(len(val1)-len(val2)))
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elif len(val1) < len(val2):
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val1.extend(["0"]*(len(val2)-len(val1)))
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# add back _prepart tails
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if val1_prepart:
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val1[-1] += '_' + val1_prepart
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if val2_prepart:
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val2[-1] += '_' + val2_prepart
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# The above code will extend version numbers out so they
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# have the same number of digits.
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for x in xrange(0, len(val1)):
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cmp1 = relparse(val1[x])
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cmp2 = relparse(val2[x])
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for y in xrange(0, 3):
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myret = cmp1[y] - cmp2[y]
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if myret != 0:
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__vercmp_cache__[valkey] = myret
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return myret
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__vercmp_cache__[valkey] = 0
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return 0
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def explode_deps(s):
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"""
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Take an RDEPENDS style string of format:
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"DEPEND1 (optional version) DEPEND2 (optional version) ..."
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and return a list of dependencies.
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Version information is ignored.
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"""
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r = []
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l = s.split()
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flag = False
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for i in l:
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if i[0] == '(':
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flag = True
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#j = []
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if not flag:
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r.append(i)
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#else:
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# j.append(i)
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if flag and i.endswith(')'):
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flag = False
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# Ignore version
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#r[-1] += ' ' + ' '.join(j)
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return r
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def explode_dep_versions(s):
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"""
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Take an RDEPENDS style string of format:
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"DEPEND1 (optional version) DEPEND2 (optional version) ..."
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and return a dictionary of dependencies and versions.
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"""
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r = {}
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l = s.replace(",", "").split()
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lastdep = None
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lastver = ""
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inversion = False
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for i in l:
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if i[0] == '(':
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inversion = True
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lastver = i[1:] or ""
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#j = []
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elif inversion and i.endswith(')'):
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inversion = False
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lastver = lastver + " " + (i[:-1] or "")
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r[lastdep] = lastver
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elif not inversion:
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r[i] = None
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lastdep = i
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lastver = ""
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elif inversion:
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lastver = lastver + " " + i
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return r
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def join_deps(deps):
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"""
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Take the result from explode_dep_versions and generate a dependency string
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"""
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result = []
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for dep in deps:
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if deps[dep]:
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result.append(dep + " (" + deps[dep] + ")")
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else:
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result.append(dep)
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return ", ".join(result)
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def _print_trace(body, line):
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"""
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Print the Environment of a Text Body
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"""
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# print the environment of the method
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min_line = max(1, line-4)
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max_line = min(line + 4, len(body))
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for i in xrange(min_line, max_line + 1):
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if line == i:
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logger.error(' *** %.4d:%s', i, body[i-1])
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else:
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logger.error(' %.4d:%s', i, body[i-1])
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def better_compile(text, file, realfile, mode = "exec"):
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"""
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A better compile method. This method
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will print the offending lines.
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"""
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try:
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return compile(text, file, mode)
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except Exception as e:
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# split the text into lines again
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body = text.split('\n')
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logger.error("Error in compiling python function in %s", realfile)
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logger.error(str(e))
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if e.lineno:
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logger.error("The lines leading to this error were:")
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logger.error("\t%d:%s:'%s'", e.lineno, e.__class__.__name__, body[e.lineno-1])
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_print_trace(body, e.lineno)
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else:
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logger.error("The function causing this error was:")
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for line in body:
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logger.error(line)
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raise
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def better_exec(code, context, text, realfile = "<code>"):
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"""
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Similiar to better_compile, better_exec will
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print the lines that are responsible for the
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error.
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"""
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import bb.parse
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if not hasattr(code, "co_filename"):
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code = better_compile(code, realfile, realfile)
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try:
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exec(code, _context, context)
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except Exception:
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(t, value, tb) = sys.exc_info()
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if t in [bb.parse.SkipPackage, bb.build.FuncFailed]:
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raise
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import traceback
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exception = traceback.format_exception_only(t, value)
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logger.error('Error executing a python function in %s:\n%s',
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realfile, ''.join(exception))
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# Strip 'us' from the stack (better_exec call)
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tb = tb.tb_next
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textarray = text.split('\n')
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linefailed = traceback.tb_lineno(tb)
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tbextract = traceback.extract_tb(tb)
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tbformat = "\n".join(traceback.format_list(tbextract))
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logger.error("The stack trace of python calls that resulted in this exception/failure was:")
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for line in tbformat.split('\n'):
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logger.error(line)
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logger.error("The code that was being executed was:")
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_print_trace(textarray, linefailed)
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logger.error("(file: '%s', lineno: %s, function: %s)", tbextract[0][0], tbextract[0][1], tbextract[0][2])
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# See if this is a function we constructed and has calls back into other functions in
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# "text". If so, try and improve the context of the error by diving down the trace
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level = 0
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nexttb = tb.tb_next
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while nexttb is not None:
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if tbextract[level][0] == tbextract[level+1][0] and tbextract[level+1][2] == tbextract[level][0]:
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_print_trace(textarray, tbextract[level+1][1])
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logger.error("(file: '%s', lineno: %s, function: %s)", tbextract[level+1][0], tbextract[level+1][1], tbextract[level+1][2])
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else:
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break
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nexttb = tb.tb_next
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level = level + 1
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raise
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def simple_exec(code, context):
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exec(code, _context, context)
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def better_eval(source, locals):
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return eval(source, _context, locals)
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@contextmanager
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def fileslocked(files):
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"""Context manager for locking and unlocking file locks."""
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locks = []
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if files:
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for lockfile in files:
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locks.append(bb.utils.lockfile(lockfile))
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yield
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for lock in locks:
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bb.utils.unlockfile(lock)
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def lockfile(name, shared=False):
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"""
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Use the file fn as a lock file, return when the lock has been acquired.
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Returns a variable to pass to unlockfile().
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"""
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path = os.path.dirname(name)
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if not os.path.isdir(path):
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logger.error("Lockfile destination directory '%s' does not exist", path)
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sys.exit(1)
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if not os.access(path, os.W_OK):
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logger.error("Error, lockfile path is not writable!: %s" % path)
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sys.exit(1)
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op = fcntl.LOCK_EX
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if shared:
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op = fcntl.LOCK_SH
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while True:
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# If we leave the lockfiles lying around there is no problem
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# but we should clean up after ourselves. This gives potential
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# for races though. To work around this, when we acquire the lock
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# we check the file we locked was still the lock file on disk.
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# by comparing inode numbers. If they don't match or the lockfile
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# no longer exists, we start again.
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# This implementation is unfair since the last person to request the
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# lock is the most likely to win it.
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try:
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lf = open(name, 'a+')
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fileno = lf.fileno()
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fcntl.flock(fileno, op)
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statinfo = os.fstat(fileno)
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if os.path.exists(lf.name):
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statinfo2 = os.stat(lf.name)
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if statinfo.st_ino == statinfo2.st_ino:
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return lf
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lf.close()
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except Exception:
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continue
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def unlockfile(lf):
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"""
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Unlock a file locked using lockfile()
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"""
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try:
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# If we had a shared lock, we need to promote to exclusive before
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# removing the lockfile. Attempt this, ignore failures.
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fcntl.flock(lf.fileno(), fcntl.LOCK_EX|fcntl.LOCK_NB)
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os.unlink(lf.name)
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except IOError:
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pass
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fcntl.flock(lf.fileno(), fcntl.LOCK_UN)
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lf.close()
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def md5_file(filename):
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"""
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Return the hex string representation of the MD5 checksum of filename.
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"""
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try:
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import hashlib
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m = hashlib.md5()
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except ImportError:
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import md5
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m = md5.new()
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for line in open(filename):
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m.update(line)
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return m.hexdigest()
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def sha256_file(filename):
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"""
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Return the hex string representation of the 256-bit SHA checksum of
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filename. On Python 2.4 this will return None, so callers will need to
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handle that by either skipping SHA checks, or running a standalone sha256sum
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binary.
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"""
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try:
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import hashlib
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except ImportError:
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return None
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s = hashlib.sha256()
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for line in open(filename):
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s.update(line)
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return s.hexdigest()
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def preserved_envvars_exported():
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"""Variables which are taken from the environment and placed in and exported
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from the metadata"""
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return [
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'BB_TASKHASH',
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'HOME',
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'LOGNAME',
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'PATH',
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'PWD',
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'SHELL',
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'TERM',
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'USER',
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'USERNAME',
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]
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def preserved_envvars_exported_interactive():
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"""Variables which are taken from the environment and placed in and exported
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from the metadata, for interactive tasks"""
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return [
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'COLORTERM',
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'DBUS_SESSION_BUS_ADDRESS',
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'DESKTOP_SESSION',
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'DESKTOP_STARTUP_ID',
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'DISPLAY',
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'GNOME_KEYRING_PID',
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'GNOME_KEYRING_SOCKET',
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'GPG_AGENT_INFO',
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'GTK_RC_FILES',
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'SESSION_MANAGER',
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'SSH_AUTH_SOCK',
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'XAUTHORITY',
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'XDG_DATA_DIRS',
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'XDG_SESSION_COOKIE',
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]
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def preserved_envvars():
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"""Variables which are taken from the environment and placed in the metadata"""
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v = [
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'BBPATH',
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'BB_PRESERVE_ENV',
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'BB_ENV_WHITELIST',
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'BB_ENV_EXTRAWHITE',
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'LANG',
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'_',
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]
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return v + preserved_envvars_exported() + preserved_envvars_exported_interactive()
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|
def filter_environment(good_vars):
|
|
"""
|
|
Create a pristine environment for bitbake. This will remove variables that
|
|
are not known and may influence the build in a negative way.
|
|
"""
|
|
|
|
removed_vars = []
|
|
for key in os.environ.keys():
|
|
if key in good_vars:
|
|
continue
|
|
|
|
removed_vars.append(key)
|
|
os.unsetenv(key)
|
|
del os.environ[key]
|
|
|
|
if len(removed_vars):
|
|
logger.debug(1, "Removed the following variables from the environment: %s", ", ".join(removed_vars))
|
|
|
|
return removed_vars
|
|
|
|
def create_interactive_env(d):
|
|
for k in preserved_envvars_exported_interactive():
|
|
os.setenv(k, bb.data.getVar(k, d, True))
|
|
|
|
def clean_environment():
|
|
"""
|
|
Clean up any spurious environment variables. This will remove any
|
|
variables the user hasn't chose to preserve.
|
|
"""
|
|
if 'BB_PRESERVE_ENV' not in os.environ:
|
|
if 'BB_ENV_WHITELIST' in os.environ:
|
|
good_vars = os.environ['BB_ENV_WHITELIST'].split()
|
|
else:
|
|
good_vars = preserved_envvars()
|
|
if 'BB_ENV_EXTRAWHITE' in os.environ:
|
|
good_vars.extend(os.environ['BB_ENV_EXTRAWHITE'].split())
|
|
filter_environment(good_vars)
|
|
|
|
def empty_environment():
|
|
"""
|
|
Remove all variables from the environment.
|
|
"""
|
|
for s in os.environ.keys():
|
|
os.unsetenv(s)
|
|
del os.environ[s]
|
|
|
|
def build_environment(d):
|
|
"""
|
|
Build an environment from all exported variables.
|
|
"""
|
|
import bb.data
|
|
for var in bb.data.keys(d):
|
|
export = bb.data.getVarFlag(var, "export", d)
|
|
if export:
|
|
os.environ[var] = bb.data.getVar(var, d, True) or ""
|
|
|
|
def remove(path, recurse=False):
|
|
"""Equivalent to rm -f or rm -rf"""
|
|
if not path:
|
|
return
|
|
import os, errno, shutil
|
|
try:
|
|
os.unlink(path)
|
|
except OSError as exc:
|
|
if recurse and exc.errno == errno.EISDIR:
|
|
shutil.rmtree(path)
|
|
elif exc.errno != errno.ENOENT:
|
|
raise
|
|
|
|
def prunedir(topdir):
|
|
# Delete everything reachable from the directory named in 'topdir'.
|
|
# CAUTION: This is dangerous!
|
|
for root, dirs, files in os.walk(topdir, topdown = False):
|
|
for name in files:
|
|
os.remove(os.path.join(root, name))
|
|
for name in dirs:
|
|
if os.path.islink(os.path.join(root, name)):
|
|
os.remove(os.path.join(root, name))
|
|
else:
|
|
os.rmdir(os.path.join(root, name))
|
|
os.rmdir(topdir)
|
|
|
|
#
|
|
# Could also use return re.compile("(%s)" % "|".join(map(re.escape, suffixes))).sub(lambda mo: "", var)
|
|
# but thats possibly insane and suffixes is probably going to be small
|
|
#
|
|
def prune_suffix(var, suffixes, d):
|
|
# See if var ends with any of the suffixes listed and
|
|
# remove it if found
|
|
for suffix in suffixes:
|
|
if var.endswith(suffix):
|
|
return var.replace(suffix, "")
|
|
return var
|
|
|
|
def mkdirhier(directory):
|
|
"""Create a directory like 'mkdir -p', but does not complain if
|
|
directory already exists like os.makedirs
|
|
"""
|
|
|
|
try:
|
|
os.makedirs(directory)
|
|
except OSError as e:
|
|
if e.errno != errno.EEXIST:
|
|
raise e
|
|
|
|
def movefile(src, dest, newmtime = None, sstat = None):
|
|
"""Moves a file from src to dest, preserving all permissions and
|
|
attributes; mtime will be preserved even when moving across
|
|
filesystems. Returns true on success and false on failure. Move is
|
|
atomic.
|
|
"""
|
|
|
|
#print "movefile(" + src + "," + dest + "," + str(newmtime) + "," + str(sstat) + ")"
|
|
try:
|
|
if not sstat:
|
|
sstat = os.lstat(src)
|
|
except Exception as e:
|
|
print("movefile: Stating source file failed...", e)
|
|
return None
|
|
|
|
destexists = 1
|
|
try:
|
|
dstat = os.lstat(dest)
|
|
except:
|
|
dstat = os.lstat(os.path.dirname(dest))
|
|
destexists = 0
|
|
|
|
if destexists:
|
|
if stat.S_ISLNK(dstat[stat.ST_MODE]):
|
|
try:
|
|
os.unlink(dest)
|
|
destexists = 0
|
|
except Exception as e:
|
|
pass
|
|
|
|
if stat.S_ISLNK(sstat[stat.ST_MODE]):
|
|
try:
|
|
target = os.readlink(src)
|
|
if destexists and not stat.S_ISDIR(dstat[stat.ST_MODE]):
|
|
os.unlink(dest)
|
|
os.symlink(target, dest)
|
|
#os.lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
|
|
os.unlink(src)
|
|
return os.lstat(dest)
|
|
except Exception as e:
|
|
print("movefile: failed to properly create symlink:", dest, "->", target, e)
|
|
return None
|
|
|
|
renamefailed = 1
|
|
if sstat[stat.ST_DEV] == dstat[stat.ST_DEV]:
|
|
try:
|
|
os.rename(src, dest)
|
|
renamefailed = 0
|
|
except Exception as e:
|
|
if e[0] != errno.EXDEV:
|
|
# Some random error.
|
|
print("movefile: Failed to move", src, "to", dest, e)
|
|
return None
|
|
# Invalid cross-device-link 'bind' mounted or actually Cross-Device
|
|
|
|
if renamefailed:
|
|
didcopy = 0
|
|
if stat.S_ISREG(sstat[stat.ST_MODE]):
|
|
try: # For safety copy then move it over.
|
|
shutil.copyfile(src, dest + "#new")
|
|
os.rename(dest + "#new", dest)
|
|
didcopy = 1
|
|
except Exception as e:
|
|
print('movefile: copy', src, '->', dest, 'failed.', e)
|
|
return None
|
|
else:
|
|
#we don't yet handle special, so we need to fall back to /bin/mv
|
|
a = getstatusoutput("/bin/mv -f " + "'" + src + "' '" + dest + "'")
|
|
if a[0] != 0:
|
|
print("movefile: Failed to move special file:" + src + "' to '" + dest + "'", a)
|
|
return None # failure
|
|
try:
|
|
if didcopy:
|
|
os.lchown(dest, sstat[stat.ST_UID], sstat[stat.ST_GID])
|
|
os.chmod(dest, stat.S_IMODE(sstat[stat.ST_MODE])) # Sticky is reset on chown
|
|
os.unlink(src)
|
|
except Exception as e:
|
|
print("movefile: Failed to chown/chmod/unlink", dest, e)
|
|
return None
|
|
|
|
if newmtime:
|
|
os.utime(dest, (newmtime, newmtime))
|
|
else:
|
|
os.utime(dest, (sstat[stat.ST_ATIME], sstat[stat.ST_MTIME]))
|
|
newmtime = sstat[stat.ST_MTIME]
|
|
return newmtime
|
|
|
|
def copyfile(src, dest, newmtime = None, sstat = None):
|
|
"""
|
|
Copies a file from src to dest, preserving all permissions and
|
|
attributes; mtime will be preserved even when moving across
|
|
filesystems. Returns true on success and false on failure.
|
|
"""
|
|
#print "copyfile(" + src + "," + dest + "," + str(newmtime) + "," + str(sstat) + ")"
|
|
try:
|
|
if not sstat:
|
|
sstat = os.lstat(src)
|
|
except Exception as e:
|
|
print("copyfile: Stating source file failed...", e)
|
|
return False
|
|
|
|
destexists = 1
|
|
try:
|
|
dstat = os.lstat(dest)
|
|
except:
|
|
dstat = os.lstat(os.path.dirname(dest))
|
|
destexists = 0
|
|
|
|
if destexists:
|
|
if stat.S_ISLNK(dstat[stat.ST_MODE]):
|
|
try:
|
|
os.unlink(dest)
|
|
destexists = 0
|
|
except Exception as e:
|
|
pass
|
|
|
|
if stat.S_ISLNK(sstat[stat.ST_MODE]):
|
|
try:
|
|
target = os.readlink(src)
|
|
if destexists and not stat.S_ISDIR(dstat[stat.ST_MODE]):
|
|
os.unlink(dest)
|
|
os.symlink(target, dest)
|
|
#os.lchown(dest,sstat[stat.ST_UID],sstat[stat.ST_GID])
|
|
return os.lstat(dest)
|
|
except Exception as e:
|
|
print("copyfile: failed to properly create symlink:", dest, "->", target, e)
|
|
return False
|
|
|
|
if stat.S_ISREG(sstat[stat.ST_MODE]):
|
|
os.chmod(src, stat.S_IRUSR) # Make sure we can read it
|
|
try: # For safety copy then move it over.
|
|
shutil.copyfile(src, dest + "#new")
|
|
os.rename(dest + "#new", dest)
|
|
except Exception as e:
|
|
print('copyfile: copy', src, '->', dest, 'failed.', e)
|
|
return False
|
|
finally:
|
|
os.chmod(src, sstat[stat.ST_MODE])
|
|
os.utime(src, (sstat[stat.ST_ATIME], sstat[stat.ST_MTIME]))
|
|
|
|
else:
|
|
#we don't yet handle special, so we need to fall back to /bin/mv
|
|
a = getstatusoutput("/bin/cp -f " + "'" + src + "' '" + dest + "'")
|
|
if a[0] != 0:
|
|
print("copyfile: Failed to copy special file:" + src + "' to '" + dest + "'", a)
|
|
return False # failure
|
|
try:
|
|
os.lchown(dest, sstat[stat.ST_UID], sstat[stat.ST_GID])
|
|
os.chmod(dest, stat.S_IMODE(sstat[stat.ST_MODE])) # Sticky is reset on chown
|
|
except Exception as e:
|
|
print("copyfile: Failed to chown/chmod/unlink", dest, e)
|
|
return False
|
|
|
|
if newmtime:
|
|
os.utime(dest, (newmtime, newmtime))
|
|
else:
|
|
os.utime(dest, (sstat[stat.ST_ATIME], sstat[stat.ST_MTIME]))
|
|
newmtime = sstat[stat.ST_MTIME]
|
|
return newmtime
|
|
|
|
def which(path, item, direction = 0):
|
|
"""
|
|
Locate a file in a PATH
|
|
"""
|
|
|
|
paths = (path or "").split(':')
|
|
if direction != 0:
|
|
paths.reverse()
|
|
|
|
for p in paths:
|
|
next = os.path.join(p, item)
|
|
if os.path.exists(next):
|
|
return next
|
|
|
|
return ""
|
|
|
|
def init_logger(logger, verbose, debug, debug_domains):
|
|
"""
|
|
Set verbosity and debug levels in the logger
|
|
"""
|
|
|
|
if debug:
|
|
bb.msg.set_debug_level(debug)
|
|
elif verbose:
|
|
bb.msg.set_verbose(True)
|
|
else:
|
|
bb.msg.set_debug_level(0)
|
|
|
|
if debug_domains:
|
|
bb.msg.set_debug_domains(debug_domains)
|