Move to_string, count_lines, and read_first_n_lines to common modules for better organization

(cherry picked from commit 756ce0d5e80ad9676cf468c54e168dab292689f4)

# Conflicts:
#	sigima_/io/image/formats.py
#	sigima_/io/signal/formats.py

Author: PierreRaybaut

cdl/gui/macroeditor.py

@@ -28,7 +28,7 @@
 from cdl.config import _
 from cdl.env import execenv
 from cdl.gui import ObjItf
-from sigima_.io.converters import to_string
+from sigima_.io.common.converters import to_string
 
 UNTITLED_NB = 0
 

cdl/h5/common.py

@@ -16,7 +16,7 @@
 import numpy as np
 
 from cdl.config import Conf
-from sigima_.io.converters import convert_array_to_standard_type, to_string
+from sigima_.io.common.converters import convert_array_to_standard_type, to_string
 
 
 def data_to_xy(data: np.ndarray) -> list[np.ndarray]:

cdl/h5/generic.py

@@ -10,7 +10,7 @@
 import numpy as np
 
 from cdl.h5 import common, utils
-from sigima_.io.converters import to_string
+from sigima_.io.common.converters import to_string
 from sigima_.obj import create_image, create_signal
 
 

cdl/h5/utils.py

@@ -8,7 +8,7 @@
 
 import numpy as np
 
-from sigima_.io.converters import to_string
+from sigima_.io.common.converters import to_string
 
 
 def fix_ldata(fuzzy):

cdl/utils/qthelpers.py

@@ -29,7 +29,7 @@
 
 from cdl.config import APP_NAME, DATETIME_FORMAT, SHOTPATH, Conf, _, get_old_log_fname
 from cdl.env import execenv
-from sigima_.io.converters import to_string
+from sigima_.io.common.converters import to_string
 
 
 def close_widgets_and_quit(screenshot=False) -> None:

cdl/widgets/h5browser.py

@@ -36,7 +36,7 @@
 from cdl.h5 import H5Importer
 from cdl.utils.qthelpers import qt_handle_error_message
 from sigima_ import ImageObj, SignalObj
-from sigima_.io.converters import to_string
+from sigima_.io.common.converters import to_string
 
 if TYPE_CHECKING:
     from plotpy.plot import BasePlot

cdl/widgets/textimport.py

@@ -37,8 +37,8 @@
 from cdl.utils.qthelpers import CallbackWorker, create_progress_bar, qt_long_callback
 from cdl.widgets.wizard import Wizard, WizardPage
 from sigima_ import ImageObj, SignalObj, create_image, create_signal
+from sigima_.io.common.textreader import count_lines, read_first_n_lines
 from sigima_.io.signal.funcs import get_labels_units_from_dataframe, read_csv_by_chunks
-from sigima_.io.textreader import count_lines, read_first_n_lines
 
 if TYPE_CHECKING:
     from plotpy.items import CurveItem, MaskedImageItem

sigima_/io/common/__init__.py

@@ -0,0 +1,5 @@
+# Copyright (c) DataLab Platform Developers, BSD 3-Clause license, see LICENSE file.
+
+"""
+Common I/O features
+"""