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appy.pod: allow to import SVG files (requires installing imagemagick).

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This commit is contained in:
Gaetan Delannay 2012-01-24 17:04:40 +01:00
parent a1b048153f
commit 298ed34b5b
4 changed files with 30 additions and 11 deletions
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33
pod/doc_importers.py
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@ -29,6 +29,8 @@ FILE_NOT_FOUND = "'%s' does not exist or is not a file."
PDF_TO_IMG_ERROR = 'A PDF file could not be converted into images. Please ' \
'ensure that Ghostscript (gs) is installed on your ' \
'system and the "gs" program is in the path.'
CONVERT_ERROR = 'Program "convert", from imagemagick, must be installed and ' \
'in the path for converting a SVG file into a PNG file.'
# ------------------------------------------------------------------------------
class DocImporter:
@ -186,7 +188,11 @@ def getSize(filePath, fileType):
if len(buf) == 5:
# else: invalid/corrupted GIF (bad header)
x, y, u = struct.unpack("<HHB", buf)
return float(x)/pxToCm, float(y)/pxToCm
f.close()
if x and y:
return float(x)/pxToCm, float(y)/pxToCm
else:
return x, y
class ImageImporter(DocImporter):
'''This class allows to import into the ODT result an image stored
@ -262,13 +268,14 @@ class ImageImporter(DocImporter):
self.sizeUnit = sizeUnit
# Put CSS attributes from p_style in a dict.
self.cssAttrs = {}
for attr in style.split(';'):
if not attr.strip(): continue
name, value = attr.strip().split(':')
value = value.strip()
if value.endswith('px'): value = value[:-2]
if value.isdigit(): value=int(value)
self.cssAttrs[name.strip()] = value
if style:
for attr in style.split(';'):
if not attr.strip(): continue
name, value = attr.strip().split(':')
value = value.strip()
if value.endswith('px'): value = value[:-2]
if value.isdigit(): value=int(value)
self.cssAttrs[name.strip()] = value
def run(self):
# Some shorcuts for the used xml namespaces
@ -281,6 +288,16 @@ class ImageImporter(DocImporter):
i = self.importPath.rfind(self.pictFolder)
imagePath = self.importPath[i+1:].replace('\\', '/')
self.fileNames[imagePath] = self.at
# In the case of SVG files, perform an image conversion to PNG
if imagePath.endswith('.svg'):
newImportPath = os.path.splitext(self.importPath)[0] + '.png'
err= os.system('convert "%s" "%s"'% (self.importPath,newImportPath))
if err:
raise Exception(CONVERT_ERROR)
os.remove(self.importPath)
self.importPath = newImportPath
imagePath = os.path.splitext(imagePath)[0] + '.png'
self.format = 'png'
# Retrieve image size from self.size.
width = height = None
if self.size: