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add Python 3 support

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This commit is contained in:
josch 2015-01-07 15:56:24 +01:00
parent d217f1403f
commit b143867a72
3 changed files with 28 additions and 23 deletions
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2
setup.py
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@ -16,6 +16,8 @@ setup (
'Programming Language :: Python :: 2',
'Programming Language :: Python :: 2.6',
'Programming Language :: Python :: 2.7',
'Programming Language :: Python :: 3',
'Programming Language :: Python :: 3.4',
'Programming Language :: Python :: Implementation :: CPython',
'License :: OSI Approved :: GNU Lesser General Public License v3 (LGPLv3)',
'Programming Language :: Python',

42
src/img2pdf.py
View file

@ -38,17 +38,19 @@ def warning_out(message):
def parse(cont, indent=1):
if type(cont) is dict:
return "<<\n"+"\n".join(
[4 * indent * " " + "%s %s" % (k, parse(v, indent+1))
for k, v in cont.items()])+"\n"+4*(indent-1)*" "+">>"
return b"<<\n"+b"\n".join(
[4 * indent * b" " + k.encode("utf8") + b" " + parse(v, indent+1)
for k, v in cont.items()])+b"\n"+4*(indent-1)*b" "+b">>"
elif type(cont) is int or type(cont) is float:
return str(cont)
return str(cont).encode("utf8")
elif isinstance(cont, obj):
return "%d 0 R"%cont.identifier
return ("%d 0 R"%cont.identifier).encode("utf8")
elif type(cont) is str:
return cont.encode("utf8")
elif type(cont) is bytes:
return cont
elif type(cont) is list:
return "[ "+" ".join([parse(c, indent) for c in cont])+" ]"
return b"[ "+b" ".join([parse(c, indent) for c in cont])+b" ]"
class obj(object):
def __init__(self, content, stream=None):
@ -58,11 +60,11 @@ class obj(object):
def tostring(self):
if self.stream:
return (
"%d 0 obj " % self.identifier +
("%d 0 obj " % self.identifier).encode("utf8") +
parse(self.content) +
"\nstream\n" + self.stream + "\nendstream\nendobj\n")
b"\nstream\n" + self.stream + b"\nendstream\nendobj\n")
else:
return "%d 0 obj "%self.identifier+parse(self.content)+" endobj\n"
return ("%d 0 obj "%self.identifier).encode("utf8")+parse(self.content)+b" endobj\n"
class pdfdoc(object):
@ -149,7 +151,7 @@ class pdfdoc(object):
"/Length": len(imgdata)
}, imgdata)
text = "q\n%f 0 0 %f 0 0 cm\n/Im0 Do\nQ"%(pdf_x, pdf_y)
text = ("q\n%f 0 0 %f 0 0 cm\n/Im0 Do\nQ"%(pdf_x, pdf_y)).encode('utf8')
content = obj({
"/Length": len(text)
@ -178,23 +180,23 @@ class pdfdoc(object):
xreftable = list()
result = "%%PDF-1.%d\n"%self.version
result = ("%%PDF-1.%d\n"%self.version).encode("utf8")
xreftable.append("0000000000 65535 f \n")
xreftable.append(b"0000000000 65535 f \n")
for o in self.objects:
xreftable.append("%010d 00000 n \n"%len(result))
xreftable.append(("%010d 00000 n \n"%len(result)).encode("utf8"))
result += o.tostring()
xrefoffset = len(result)
result += "xref\n"
result += "0 %d\n"%len(xreftable)
result += b"xref\n"
result += ("0 %d\n"%len(xreftable)).encode("utf8")
for x in xreftable:
result += x
result += "trailer\n"
result += parse({"/Size": len(xreftable), "/Info": self.info, "/Root": self.catalog})+"\n"
result += "startxref\n"
result += "%d\n"%xrefoffset
result += "%%EOF\n"
result += b"trailer\n"
result += parse({"/Size": len(xreftable), "/Info": self.info, "/Root": self.catalog})+b"\n"
result += b"startxref\n"
result += ("%d\n"%xrefoffset).encode("utf8")
result += b"%%EOF\n"
return result
def convert(images, dpi, x, y, title=None, author=None, creator=None, producer=None,

7
src/jp2.py
View file

@ -20,6 +20,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import struct
import sys
def getBox(data, byteStart, noBytes):
boxLengthValue = struct.unpack(">I", data[byteStart:byteStart+4])[0]
@ -85,6 +86,6 @@ def parsejp2(data):
if __name__ == "__main__":
import sys
width, height, colorspace = parsejp2(open(sys.argv[1]).read())
print "width = %d"%width
print "height = %d"%height
print "colorspace = %s"%colorspace
sys.stdout.write("width = %d"%width)
sys.stdout.write("height = %d"%height)
sys.stdout.write("colorspace = %s"%colorspace)