graphid.util.util_grabdata module

Ported from kwimage.

graphid.util.util_grabdata.grab_test_imgpath(key='astro.png', allow_external=True, verbose=True)

Gets paths to standard / fun test images. Downloads them if they dont exits

Parameters:

• key (str) – one of the standard test images, e.g. astro.png, carl.jpg, …

• allow_external (bool) – if True you can specify existing fpaths

Returns:

testimg_fpath - filepath to the downloaded or cached test image.

Return type:

str

Example

>>> testimg_fpath = grab_test_imgpath('carl.jpg')
>>> assert exists(testimg_fpath)

graphid.util.util_grabdata._update_hashes()

for dev use to update hashes of the demo images

graphid.util.util_grabdata._grabdata_with_mirrors(url, mirror_urls, grabkw)

graphid.util.util_grabdata.grab_test_image_fpath(key='astro', dsize=None, overviews=None)

Ensures that the test image exists (this might use the network) and returns the cached filepath to the requested image.

Parameters:

• key (str) – which test image to grab. Valid choices are: astro - an astronaught carl - Carl Sagan paraview - ParaView logo stars - picture of stars in the sky

• dsize (None | Tuple[int, int]) – if specified, we will return a variant of the data with the specific dsize

• overviews (None | int) – if specified, will return a variant of the data with overviews

Returns:

path to the requested image

Return type:

str