+
+
+class GalleryMerger(object):
+ def __init__(self, dest_gallery, src_gallery):
+ assert isinstance(dest_gallery, str)
+ assert isinstance(src_gallery, str)
+ self.dest = dest_gallery
+ self.src = src_gallery
+ self.dest_size = None
+ self.src_size = None
+ self.num_deleted = 0
+
+ @staticmethod
+ def path(gallery):
+ return join(settings.MEDIA_ROOT, settings.IMAGE_DIR, gallery)
+
+ @staticmethod
+ def get_prefix(name):
+ m = re.match(r"^([0-9])-", name)
+ if m:
+ return int(m.groups()[0])
+ return None
+
+ @staticmethod
+ def set_prefix(name, prefix, always=False):
+ m = not always and re.match(r"^([0-9])-", name)
+ return "%1d-%s" % (prefix, m and name[2:] or name)
+
+ def merge(self):
+ if not self.dest:
+ return self.src
+ if not self.src:
+ return self.dest
+
+ files = listdir(self.path(self.dest))
+ self.dest_size = len(files)
+ files_other = listdir(self.path(self.src))
+ self.src_size = len(files_other)
+
+ if files and files_other:
+ print "compare %s with %s" % (files[-1], files_other[0])
+ if filecmp.cmp(
+ join(self.path(self.dest), files[-1]),
+ join(self.path(self.src), files_other[0]),
+ False
+ ):
+ files_other.pop(0)
+ self.num_deleted = 1
+
+ prefixes = {}
+ renamed_files = {}
+ renamed_files_other = {}
+ last_pfx = -1
+
+ # check if all elements of my files have a prefix
+ files_prefixed = True
+ for f in files:
+ p = self.get_prefix(f)
+ if p:
+ if p > last_pfx: last_pfx = p
+ else:
+ files_prefixed = False
+ break
+
+ # if not, add a 0 prefix to them
+ if not files_prefixed:
+ prefixes[0] = 0
+ for f in files:
+ renamed_files[f] = self.set_prefix(f, 0, True)
+
+ # two cases here - either all are prefixed or not.
+ files_other_prefixed = True
+ for f in files_other:
+ pfx = self.get_prefix(f)
+ if pfx is not None:
+ if not pfx in prefixes:
+ last_pfx += 1
+ prefixes[pfx] = last_pfx
+ renamed_files_other[f] = self.set_prefix(f, prefixes[pfx])
+ else:
+ # ops, not all files here were prefixed.
+ files_other_prefixed = False
+ break
+
+ # just set a 1- prefix to all of them
+ if not files_other_prefixed:
+ for f in files_other:
+ renamed_files_other[f] = self.set_prefix(f, 1, True)
+
+ # finally, move / rename files.
+ from nose.tools import set_trace
+ # set_trace()
+ for frm, to in renamed_files.items():
+ move(join(self.path(self.dest), frm),
+ join(self.path(self.dest), to))
+ for frm, to in renamed_files_other.items():
+ move(join(self.path(self.src), frm),
+ join(self.path(self.dest), to))
+
+ rmtree(join(self.path(self.src)))
+ return self.dest
fnp / redakcja.git / commitdiff