def initStyleOption(self, option, index):
# type: (QStyleOptionViewItem, QModelIndex) -> None
super().initStyleOption(option, index)
value = index.data(Qt.DisplayRole)
if isinstance(value, numbers.Integral):
option.text = sizeformat(int(value))
option.displayAlignment = Qt.AlignRight | Qt.AlignVCenter
def _update_summary(self):
size = self._data_loader.file_size
ncols = self._data_loader.n_cols
nrows = self._data_loader.n_rows
text = []
if size is not None:
text += [sizeformat(size)]
if nrows is not None:
text += ["{:n} rows".format(nrows)]
if nrows is not None:
text += ["{:n} columns".format(ncols)]
self.summary_label.setText(", ".join(text))
def _update_summary(self):
path = self._current_path
size = None
ncols = None
nrows = None
try:
st = os.stat(path)
except OSError:
pass
else:
size = st.st_size
if os.path.splitext(path)[1] == ".mtx":
try:
with open(path, "rb") as f:
nrows, ncols = scipy.io.mminfo(f)[:2]
except OSError:
pass
except ValueError:
pass
else:
try:
with open(path, "rt", encoding="latin-1") as f:
sep = separator_from_filename(path)
ncols = len(next(csv.reader(f, delimiter=sep)))
nrows = sum(1 for _ in f)
except OSError:
pass
except StopIteration:
pass
text = []
if size is not None:
text += [sizeformat(size)]
if nrows is not None:
text += ["{:n} rows".format(nrows)]
if nrows is not None:
text += ["{:n} columns".format(ncols)]
self.summary_label.setText(", ".join(text))
def sizeformat(size):
return serverfiles.sizeformat(size)
def initStyleOption(self, option, index):
super().initStyleOption(option, index)
data = index.data(Qt.DisplayRole)
if isinstance(data, numbers.Integral):
option.text = sizeformat(int(data))
option.displayAlignment = Qt.AlignRight | Qt.AlignVCenter
