def patch(conanfile, base_path=None, patch_file=None, patch_string=None,
strip=0, fuzz=False, **kwargs):
""" Applies a diff from file (patch_file) or string (patch_string)
in base_path directory or current dir if None
:param base_path: Base path where the patch should be applied.
:param patch_file: Patch file that should be applied.
:param patch_string: Patch string that should be applied.
:param strip: Number of folders to be stripped from the path.
:param output: Stream object.
:param fuzz: Should accept fuzzy patches.
:param kwargs: Extra parameters that can be added and will contribute to output information
"""
patch_type = kwargs.get('patch_type')
patch_description = kwargs.get('patch_description')
if patch_type or patch_description:
patch_type_str = ' ({})'.format(patch_type) if patch_type else ''
patch_description_str = ': {}'.format(patch_description) if patch_description else ''
conanfile.output.info('Apply patch{}{}'.format(patch_type_str, patch_description_str))
patchlog = logging.getLogger("patch_ng")
patchlog.handlers = []
patchlog.addHandler(PatchLogHandler(conanfile, patch_file))
if patch_file:
patchset = patch_ng.fromfile(patch_file)
else:
patchset = patch_ng.fromstring(patch_string.encode())
if not patchset:
raise ConanException("Failed to parse patch: %s" % (patch_file if patch_file else "string"))
if not patchset.apply(root=base_path, strip=strip, fuzz=fuzz):
raise ConanException("Failed to apply patch: %s" % patch_file)
def test_fromstring(self):
try:
f = open(join(TESTS, "01uni_multi/01uni_multi.patch"), "rb")
readstr = f.read()
finally:
f.close()
pst = patch_ng.fromstring(readstr)
self.assertEqual(len(pst), 5)
def patch(base_path=None,
patch_file=None,
patch_string=None,
strip=0,
output=None,
fuzz=False):
""" Applies a diff from file (patch_file) or string (patch_string)
in base_path directory or current dir if None
:param base_path: Base path where the patch should be applied.
:param patch_file: Patch file that should be applied.
:param patch_string: Patch string that should be applied.
:param strip: Number of folders to be stripped from the path.
:param output: Stream object.
:param fuzz: Should accept fuzzy patches.
"""
class PatchLogHandler(logging.Handler):
def __init__(self):
logging.Handler.__init__(self, logging.DEBUG)
self.output = output or ConanOutput(
sys.stdout, sys.stderr, color=True)
self.patchname = patch_file if patch_file else "patch_ng"
def emit(self, record):
logstr = self.format(record)
if record.levelno == logging.WARN:
self.output.warn("%s: %s" % (self.patchname, logstr))
else:
self.output.info("%s: %s" % (self.patchname, logstr))
patchlog = logging.getLogger("patch_ng")
if patchlog:
patchlog.handlers = []
patchlog.addHandler(PatchLogHandler())
if not patch_file and not patch_string:
return
if patch_file:
patchset = fromfile(patch_file)
else:
patchset = fromstring(patch_string.encode())
if not patchset:
raise ConanException("Failed to parse patch: %s" %
(patch_file if patch_file else "string"))
if not patchset.apply(root=base_path, strip=strip, fuzz=fuzz):
raise ConanException("Failed to apply patch: %s" % patch_file)
def patch(base_path=None,
patch_file=None,
patch_string=None,
strip=0,
output=None):
"""Applies a diff from file (patch_file) or string (patch_string)
in base_path directory or current dir if None"""
class PatchLogHandler(logging.Handler):
def __init__(self):
logging.Handler.__init__(self, logging.DEBUG)
self.output = output or ConanOutput(
sys.stdout, sys.stderr, color=True)
self.patchname = patch_file if patch_file else "patch_ng"
def emit(self, record):
logstr = self.format(record)
if record.levelno == logging.WARN:
self.output.warn("%s: %s" % (self.patchname, logstr))
else:
self.output.info("%s: %s" % (self.patchname, logstr))
patchlog = logging.getLogger("patch_ng")
if patchlog:
patchlog.handlers = []
patchlog.addHandler(PatchLogHandler())
if not patch_file and not patch_string:
return
if patch_file:
patchset = fromfile(patch_file)
else:
patchset = fromstring(patch_string.encode())
if not patchset:
raise ConanException("Failed to parse patch: %s" %
(patch_file if patch_file else "string"))
if not patchset.apply(root=base_path, strip=strip):
raise ConanException("Failed to apply patch: %s" % patch_file)