py_tasks_melange: app/django/utils/images.py@b8b4a83788d4 (annotated)

54 03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	1	"""
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	2	Utility functions for handling images.
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	3
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	4	Requires PIL, as you might imagine.
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	5	"""
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	6
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	7	import ImageFile
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	8
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	9	def get_image_dimensions(path):
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	10	"""Returns the (width, height) of an image at a given path."""
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	11	p = ImageFile.Parser()
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	12	fp = open(path, 'rb')
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	13	while 1:
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	14	data = fp.read(1024)
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	15	if not data:
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	16	break
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	17	p.feed(data)
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	18	if p.image:
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	19	return p.image.size
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	20	break
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	21	fp.close()
03e267d67478 Major reorganization of the soc svn repo, to merge into a single App Engine Todd Larsen <tlarsen@google.com> parents: diff changeset	22	return None

author	Todd Larsen <tlarsen@google.com>
	Thu, 25 Sep 2008 17:17:11 +0000
changeset 202	b8b4a83788d4
parent 54	03e267d67478
permissions	-rw-r--r--