- self.append_gallery(other, len_other)
-
- other.delete()
-
-
- def append_gallery(self, other, len_other):
- if self.gallery is None:
- self.gallery = other.gallery
- return
- if other.gallery is None:
- return
-
- def get_prefix(name):
- m = re.match(r"^([0-9])-", name)
- if m:
- return int(m.groups()[0])
- return None
-
- 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)
-
- files = os.listdir(os.path.join(settings.MEDIA_ROOT,
- settings.IMAGE_DIR, self.gallery))
- files_other = os.listdir(os.path.join(settings.MEDIA_ROOT,
- settings.IMAGE_DIR, other.gallery))
-
- 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 = 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] = set_prefix(f, 0, True)
-
- # two cases here - either all are prefixed or not.
- files_other_prefixed = True
- for f in files_other:
- pfx = get_prefix(f)
- if pfx is not None:
- if not pfx in prefixes:
- last_pfx += 1
- prefixes[pfx] = last_pfx
- renamed_files_other[f] = 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] = set_prefix(f, 1, True)
-
- # finally, move / rename files.
- for frm, to in renamed_files.items():
- shutil.move(os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, self.gallery, frm),
- os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, self.gallery, to))
- for frm, to in renamed_files_other.items():
- shutil.move(os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, other.gallery, frm),
- os.path.join(settings.MEDIA_ROOT, settings.IMAGE_DIR, self.gallery, to))