def test__scale_calculates_correct_dimensions(self):
"""Image._scale() calculates correct dimensions"""
# setup ------------------------
test_cases = (((None, None), (Px(204), Px(204))), ((1000, None),
(1000, 1000)),
((None, 3000), (3000, 3000)), ((3337, 9999), (3337,
9999)))
partname = PackURI('/ppt/media/image1.png')
image = Image.new(partname, test_image_path)
# verify -----------------------
for params, expected in test_cases:
width, height = params
assert image._scale(width, height) == expected
def _scale(self, width, height):
"""
Return scaled image dimensions based on supplied parameters. If
*width* and *height* are both |None|, the native image size is
returned. If neither *width* nor *height* is |None|, their values are
returned unchanged. If a value is provided for either *width* or
*height* and the other is |None|, the dimensions are scaled,
preserving the image's aspect ratio.
"""
native_width_px, native_height_px = self._size
native_width = Px(native_width_px)
native_height = Px(native_height_px)
if width is None and height is None:
width = native_width
height = native_height
elif width is None:
scaling_factor = float(height) / float(native_height)
width = int(round(native_width * scaling_factor))
elif height is None:
scaling_factor = float(width) / float(native_width)
height = int(round(native_height * scaling_factor))
return width, height
class DescribeImagePart(object):
def it_can_construct_from_an_image_object(self, new_fixture):
package_, image_, _init_, partname_ = new_fixture
image_part = ImagePart.new(package_, image_)
package_.next_image_partname.assert_called_once_with(image_.ext)
_init_.assert_called_once_with(
partname_, image_.content_type, image_.blob, package_,
image_.filename
)
assert isinstance(image_part, ImagePart)
def it_provides_access_to_its_image(self, image_fixture):
image_part, Image_, blob, desc, image_ = image_fixture
image = image_part.image
Image_.assert_called_once_with(blob, desc)
assert image is image_
def it_can_scale_its_dimensions(self, scale_fixture):
image_part, width, height, expected_values = scale_fixture
assert image_part.scale(width, height) == expected_values
def it_knows_its_pixel_dimensions(self, size_fixture):
image, expected_size = size_fixture
assert image._px_size == expected_size
# fixtures -------------------------------------------------------
@pytest.fixture
def image_fixture(self, Image_, image_):
blob, filename = 'blob', 'foobar.png'
image_part = ImagePart(None, None, blob, None, filename)
return image_part, Image_, blob, filename, image_
@pytest.fixture
def new_fixture(self, request, package_, image_, _init_):
partname_ = package_.next_image_partname.return_value
return package_, image_, _init_, partname_
@pytest.fixture(params=[
(None, None, Px(204), Px(204)),
(1000, None, 1000, 1000),
(None, 3000, 3000, 3000),
(3337, 9999, 3337, 9999),
])
def scale_fixture(self, request):
width, height, expected_width, expected_height = request.param
with open(test_image_path, 'rb') as f:
blob = f.read()
image = ImagePart(None, None, blob, None)
return image, width, height, (expected_width, expected_height)
@pytest.fixture
def size_fixture(self):
with open(test_image_path, 'rb') as f:
blob = f.read()
image = ImagePart(None, None, blob, None)
return image, (204, 204)
# fixture components ---------------------------------------------
@pytest.fixture
def Image_(self, request, image_):
return class_mock(
request, 'pptx.parts.image.Image', return_value=image_
)
@pytest.fixture
def image_(self, request):
return instance_mock(request, Image)
@pytest.fixture
def _init_(self, request):
return initializer_mock(request, ImagePart)
@pytest.fixture
def package_(self, request):
return instance_mock(request, Package)
img_path = '%s/dashboard2.png' % mypath prs = Presentation() # -------------------------------------------------------------- blank_slidelayout = prs.slidelayouts[6] slide = prs.slides.add_slide(blank_slidelayout) top = Inches(1) left = Inches(0.5) pic = slide.shapes.add_picture(img_path, left, top) width = Px(650) height = int(width*wpercent) pic = slide.shapes.add_picture(img_path, left, top, width, height) # -------------------------------------------------------------- title_only_slidelayout = prs.slidelayouts[5] slide = prs.slides.add_slide(title_only_slidelayout) shapes = slide.shapes shapes.title.text = 'Adding a Table' cols = 2 rows = 4 left = top = Inches(2.0) width = Inches(6.0) height = Inches(0.8)
def create_pptx(region_list, caluculateion_type='live'):
img_basepath = 'C:/workspace/py/MyPythonApp/src/viewingScore/create_graph/%s/' % caluculateion_type
SLD_LAYOUT_TITLE_AND_CONTENT = 1
gender_list = ('男性', '女性')
week_list = ('', 'weekday_', 'weekend_')
time_list = ('5-9', '9-19', '19-23', '23-29')
img_gender_name_list = ('r_m_', 'r_fm_')
img_name_tips = ('20to34', '35to49', 'over50')
#'output_'+region+
prs = Presentation()
for region in region_list:
# create slide to describe region
blank_slide_layout = prs.slide_layouts[0]
slide = prs.slides.add_slide(blank_slide_layout)
shapes = slide.shapes
title_shape = shapes.title
body_shape = shapes.placeholders[1]
title_shape.text = region # title
# create slide with graph to describe hole users having properties at that region
blank_slide_layout = prs.slide_layouts[1]
slide = prs.slides.add_slide(blank_slide_layout)
shapes = slide.shapes
title_shape = shapes.title
body_shape = shapes.placeholders[1]
title_shape.text = region + '_個人全体' # title
# paste image
width = height = Px(600)
base_left = 1.8
base_top = 1.25
img_path = unicode(img_basepath + 'output_' + region +
'_r_individuals.png')
print img_path
left = Inches(base_left)
top = Inches(base_top)
pic = slide.shapes.add_picture(img_path, left, top, width, height)
for _week in week_list:
if _week == '':
for i, gender in enumerate(gender_list):
blank_slide_layout = prs.slide_layouts[
SLD_LAYOUT_TITLE_AND_CONTENT]
slide = prs.slides.add_slide(blank_slide_layout)
shapes = slide.shapes
title_shape = shapes.title
body_shape = shapes.placeholders[1]
title_shape.text = region + '_' + gender # title
# paste image
img_width = img_height = Px(300)
# image base
base_left = 0.5
base_top = 2
# text base
txt_base_left = 1.2
txt_base_top = 1.4
for img_idx in xrange(len(img_name_tips)):
left_inch = base_left + img_idx * 3
top_inch = base_top + img_idx * 1
img_path = unicode(img_basepath + 'output_' + region +
'_' + _week +
img_gender_name_list[i] +
img_name_tips[img_idx] + '.png')
left = Inches(left_inch)
top = Inches(top_inch)
print img_path
pic = slide.shapes.add_picture(img_path, left, top,
img_width, img_height)
# write text
left_inch = txt_base_left + img_idx * 3
top_inch = txt_base_top + img_idx * 1
left = Inches(left_inch)
top = Inches(top_inch)
width = height = Inches(1)
txBox = slide.shapes.add_textbox(
left, top, width, height)
tf = txBox.textframe
p = tf.add_paragraph()
p.text = gender + img_name_tips[img_idx]
p.font.size = Pt(24)
p.font.bold = True
for _time in time_list:
if _week != '':
for i, gender in enumerate(gender_list):
blank_slide_layout = prs.slide_layouts[
SLD_LAYOUT_TITLE_AND_CONTENT]
slide = prs.slides.add_slide(blank_slide_layout)
shapes = slide.shapes
title_shape = shapes.title
body_shape = shapes.placeholders[1]
title_shape.text = region + '_' + _week + _time + '_' + gender # title
# paste image
img_width = img_height = Px(300)
# image base
base_left = 0.5
base_top = 2
# text base
txt_base_left = 1.2
txt_base_top = 1.4
for img_idx in xrange(len(img_name_tips)):
left_inch = base_left + img_idx * 3
top_inch = base_top + img_idx * 1
img_path = unicode(img_basepath + 'output_' +
region + '_' + _week +
img_gender_name_list[i] +
img_name_tips[img_idx] + '_' +
_time + '.png')
left = Inches(left_inch)
top = Inches(top_inch)
print img_path
pic = slide.shapes.add_picture(
img_path, left, top, img_width, img_height)
# write text
left_inch = txt_base_left + img_idx * 3
top_inch = txt_base_top + img_idx * 1
left = Inches(left_inch)
top = Inches(top_inch)
width = height = Inches(1)
txBox = slide.shapes.add_textbox(
left, top, width, height)
tf = txBox.textframe
p = tf.add_paragraph()
p.text = gender + img_name_tips[img_idx]
p.font.size = Pt(24)
p.font.bold = True
prs.save('%s.pptx' % caluculateion_type)
# -*- coding: utf-8 -*-
"""
Created on Fri Aug 29 12:07:20 2014
@author: ecksjoh
"""
from pptx import Presentation
from pptx.util import Inches, Px
img_path = 'monty-truth.png'
prs = Presentation()
blank_slide_layout = prs.slide_layouts[6]
slide = prs.slides.add_slide(blank_slide_layout)
left = top = Inches(1)
pic = slide.shapes.add_picture(img_path, left, top)
left = Inches(5)
width = Px(280)
height = int(width * 1.427)
pic = slide.shapes.add_picture(img_path, left, top, width, height)
prs.save('test.pptx')