return entry.ReadData(decomp)
-def WriteEntry(image_fname, entry_path, data, decomp=True, allow_resize=True):
- """Replace an entry in an image
-
- This replaces the data in a particular entry in an image. This size of the
- new data must match the size of the old data unless allow_resize is True.
-
- Args:
- image_fname: Image filename to process
- entry_path: Path to entry to extract
- data: Data to replace with
- decomp: True to compress the data if needed, False if data is
- already compressed so should be used as is
- allow_resize: True to allow entries to change size (this does a re-pack
- of the entries), False to raise an exception
-
- Returns:
- Image object that was updated
- """
- tout.Info("WriteEntry '%s', file '%s'" % (entry_path, image_fname))
- image = Image.FromFile(image_fname)
- entry = image.FindEntryPath(entry_path)
- state.PrepareFromLoadedData(image)
- image.LoadData()
-
- # If repacking, drop the old offset/size values except for the original
- # ones, so we are only left with the constraints.
- if allow_resize:
- image.ResetForPack()
- tout.Info('Writing data to %s' % entry.GetPath())
- if not entry.WriteData(data, decomp):
- if not image.allow_repack:
- entry.Raise('Entry data size does not match, but allow-repack is not present for this image')
- if not allow_resize:
- entry.Raise('Entry data size does not match, but resize is disabled')
- tout.Info('Processing image')
- ProcessImage(image, update_fdt=True, write_map=False, get_contents=False,
- allow_resize=allow_resize)
- tout.Info('WriteEntry done')
- return image
-
-
def ExtractEntries(image_fname, output_fname, outdir, entry_paths,
decomp=True):
"""Extract the data from one or more entries and write it to files
return einfos
+def WriteEntry(image_fname, entry_path, data, decomp=True, allow_resize=True):
+ """Replace an entry in an image
+
+ This replaces the data in a particular entry in an image. This size of the
+ new data must match the size of the old data unless allow_resize is True.
+
+ Args:
+ image_fname: Image filename to process
+ entry_path: Path to entry to extract
+ data: Data to replace with
+ decomp: True to compress the data if needed, False if data is
+ already compressed so should be used as is
+ allow_resize: True to allow entries to change size (this does a re-pack
+ of the entries), False to raise an exception
+
+ Returns:
+ Image object that was updated
+ """
+ tout.Info("WriteEntry '%s', file '%s'" % (entry_path, image_fname))
+ image = Image.FromFile(image_fname)
+ entry = image.FindEntryPath(entry_path)
+ state.PrepareFromLoadedData(image)
+ image.LoadData()
+
+ # If repacking, drop the old offset/size values except for the original
+ # ones, so we are only left with the constraints.
+ if allow_resize:
+ image.ResetForPack()
+ tout.Info('Writing data to %s' % entry.GetPath())
+ if not entry.WriteData(data, decomp):
+ if not image.allow_repack:
+ entry.Raise('Entry data size does not match, but allow-repack is not present for this image')
+ if not allow_resize:
+ entry.Raise('Entry data size does not match, but resize is disabled')
+ tout.Info('Processing image')
+ ProcessImage(image, update_fdt=True, write_map=False, get_contents=False,
+ allow_resize=allow_resize)
+ tout.Info('WriteEntry done')
+ return image
+
def PrepareImagesAndDtbs(dtb_fname, select_images, update_fdt):
"""Prepare the images to be processed and select the device tree