def find_images(archive, path):
"""
Given the path to a drawing file extract charts and images
Ingore errors due to unsupported parts of DrawingML
"""
src = archive.read(path)
tree = fromstring(src)
try:
drawing = SpreadsheetDrawing.from_tree(tree)
except TypeError:
warn(
"DrawingML support is incomplete and limited to charts and images only. Shapes and drawings will be lost."
)
return [], []
rels_path = get_rels_path(path)
deps = []
if rels_path in archive.namelist():
deps = get_dependents(archive, rels_path)
charts = []
for rel in drawing._chart_rels:
cs = get_rel(archive, deps, rel.id, ChartSpace)
chart = read_chart(cs)
chart.anchor = rel.anchor
charts.append(chart)
images = []
if not PILImage: # Pillow not installed, drop images
return charts, images
for rel in drawing._blip_rels:
dep = deps[rel.embed]
if dep.Type == IMAGE_NS:
try:
image = Image(BytesIO(archive.read(dep.target)))
except OSError:
msg = "The image {0} will be removed because it cannot be read".format(
dep.target)
warn(msg)
continue
if image.format.upper() == "WMF": # cannot save
msg = "{0} image format is not supported so the image is being dropped".format(
image.format)
warn(msg)
continue
image.anchor = rel.anchor
images.append(image)
return charts, images
def find_images(archive, path):
src = archive.read(path)
tree = fromstring(src)
drawing = SpreadsheetDrawing.from_tree(tree)
rels_path = get_rels_path(path)
deps = []
if rels_path in archive.namelist():
deps = get_dependents(archive, rels_path)
images = []
for rel in drawing._image_rels:
id = rel.embed
path = deps[id].target
image = Image(BytesIO(archive.read(path)))
image.anchor = rel.anchor
images.append(image)
return images
def find_charts(archive, path):
"""
Given the path to a drawing file extract anchors with charts
"""
src = archive.read(path)
tree = fromstring(src)
drawing = SpreadsheetDrawing.from_tree(tree)
rels_path = get_rels_path(path)
deps = []
if rels_path in archive.namelist():
deps = get_dependents(archive, rels_path)
charts = []
for rel in drawing._chart_rels:
cs = get_rel(archive, deps, rel.id, ChartSpace)
chart = read_chart(cs)
chart.anchor = rel.anchor
charts.append(chart)
return charts
def find_charts(archive, path):
"""
Given the path to a drawing file extract anchors with charts
"""
src = archive.read(path)
tree = fromstring(src)
drawing = SpreadsheetDrawing.from_tree(tree)
rels_path = get_rels_path(path)
deps = []
if rels_path in archive.namelist():
deps = get_dependents(archive, rels_path)
charts = []
for rel in drawing._chart_rels:
cs = get_rel(archive, deps, rel.id, ChartSpace)
chart = read_chart(cs)
chart.anchor = rel.anchor
charts.append(chart)
return charts
def find_images(archive, path):
"""
Given the path to a drawing file extract anchors with images
"""
src = archive.read(path)
tree = fromstring(src)
drawing = SpreadsheetDrawing.from_tree(tree)
rels_path = get_rels_path(path)
deps = []
if rels_path in archive.namelist():
deps = get_dependents(archive, rels_path)
images = []
for rel in drawing._blip_rels:
dep = deps[rel.embed]
if dep.Type == IMAGE_NS:
image = Image(BytesIO(archive.read(dep.target)))
image.anchor = rel.anchor
images.append(image)
return images
def find_images(archive, path):
"""
Given the path to a drawing file extract charts and images
Ingore errors due to unsupported parts of DrawingML
"""
src = archive.read(path)
tree = fromstring(src)
try:
drawing = SpreadsheetDrawing.from_tree(tree)
except TypeError:
warn(
"DrawingML support is incomplete and limited to charts and images only. Shapes and drawings will be lost."
)
return [], []
rels_path = get_rels_path(path)
deps = []
if rels_path in archive.namelist():
deps = get_dependents(archive, rels_path)
charts = []
for rel in drawing._chart_rels:
cs = get_rel(archive, deps, rel.id, ChartSpace)
chart = read_chart(cs)
chart.anchor = rel.anchor
charts.append(chart)
images = []
for rel in drawing._blip_rels:
dep = deps[rel.embed]
if dep.Type == IMAGE_NS:
image = Image(BytesIO(archive.read(dep.target)))
image.anchor = rel.anchor
images.append(image)
return charts, images
