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more detailed error messages from Image.py

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This commit is contained in:
Lars Buitinck 2014-03-24 17:49:19 +01:00
parent 2a9f2cdd7d
commit 61975dd8ad
2 changed files with 7 additions and 3 deletions
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3
.gitignore vendored
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@ -5,3 +5,6 @@ dist
.tox .tox
*.so *.so
docs/_build docs/_build
# Vim cruft
.*.swp

7
PIL/Image.py
View File

@ -1965,7 +1965,7 @@ def fromarray(obj, mode=None):
else: else:
ndmax = 4 ndmax = 4
if ndim > ndmax: if ndim > ndmax:
raise ValueError("Too many dimensions.") raise ValueError("Too many dimensions: %d > %d." % (ndim, ndmax))
size = shape[1], shape[0] size = shape[1], shape[0]
if strides is not None: if strides is not None:
@ -2018,7 +2018,7 @@ def open(fp, mode="r"):
""" """
if mode != "r": if mode != "r":
raise ValueError("bad mode") raise ValueError("bad mode %r" % mode)
if isPath(fp): if isPath(fp):
filename = fp filename = fp
@ -2054,7 +2054,8 @@ def open(fp, mode="r"):
#traceback.print_exc() #traceback.print_exc()
pass pass
raise IOError("cannot identify image file") raise IOError("cannot identify image file %r"
% (filename if filename else fp))
# #
# Image processing. # Image processing.