Start of converting the module to a proper package.
This commit is contained in:
Stephan Richter
josch
parent
8c293291c5
commit
b47cc04dd3
3 changed files with 122 additions and 49 deletions
36
setup.py
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36
setup.py
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@ -0,0 +1,36 @@
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from setuptools import setup
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setup (
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name='img2pdf',
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version='0.1.0',
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author = "Johannes 'josch' Schauer",
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description = "Convert images to PDF via direct JPEG inclusion.",
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long_description = open('README.md').read(),
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license = "GPL",
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keywords = "jpeg pdf converter",
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classifiers = [
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'Development Status :: 4 - Beta',
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'Intended Audience :: Developers',
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'Programming Language :: Python',
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'Programming Language :: Python :: 2',
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'Programming Language :: Python :: 2.6',
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'Programming Language :: Python :: 2.7',
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'Programming Language :: Python :: Implementation :: CPython',
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'License :: OSI Approved :: General Public License',
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'Programming Language :: Python',
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'Natural Language :: English',
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'Operating System :: OS Independent'],
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url = 'http://pypi.python.org/pypi/img2pdf',
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package_dir={"": "src"},
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py_modules=['img2pdf', 'jp2'],
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include_package_data = True,
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test_suite = 'tests.test_suite',
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zip_safe = True,
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install_requires=(
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'Pillow',
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),
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entry_points='''
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[console_scripts]
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img2pdf = img2pdf:main
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''',
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)
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@ -1,5 +1,3 @@
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#!/usr/bin/env python
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#
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# Copyright (C) 2012-2013 Johannes 'josch' Schauer <j.schauer at email.de>
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#
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# This program is free software: you can redistribute it and/or modify
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@ -15,17 +13,19 @@
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import Image
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import sys
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import zlib
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import argparse
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import struct
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from Pillow import Image
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from datetime import datetime
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from jp2 import parsejp2
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def parse(cont, indent=1):
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if type(cont) is dict:
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return "<<\n"+"\n".join([4*indent*" "+"%s %s"%(k, parse(v, indent+1)) for k, v in cont.items()])+"\n"+4*(indent-1)*" "+">>"
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return "<<\n"+"\n".join(
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[4 * indent * " " + "%s %s" % (k, parse(v, indent+1))
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for k, v in cont.items()])+"\n"+4*(indent-1)*" "+">>"
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elif type(cont) is int or type(cont) is float:
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return str(cont)
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elif isinstance(cont, obj):
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@ -35,26 +35,29 @@ def parse(cont, indent=1):
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elif type(cont) is list:
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return "[ "+" ".join([parse(c, indent) for c in cont])+" ]"
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class obj():
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class obj(object):
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def __init__(self, content, stream=None):
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self.content = content
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self.stream = stream
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def tostring(self):
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if self.stream:
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return "%d 0 obj "%self.identifier+parse(self.content)+"\nstream\n"+self.stream+"\nendstream\nendobj\n"
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return "%d 0 obj " % (
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self.identifier+parse(self.content) +
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"\nstream\n" + self.stream + "\nendstream\nendobj\n")
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else:
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return "%d 0 obj "%self.identifier+parse(self.content)+" endobj\n"
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class pdfdoc():
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objects = list()
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class pdfdoc(object):
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def __init__(self, version=3, title=None, author=None, creator=None, producer=None,
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creationdate=None, moddate=None, subject=None, keywords=None):
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def __init__(self, version=3, title=None, author=None, creator=None,
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producer=None, creationdate=None, moddate=None, subject=None,
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keywords=None):
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self.version = version # default pdf version 1.3
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now = datetime.now()
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objects = []
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info = dict()
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info = {}
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if title:
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info["/Title"] = "("+title+")"
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if author:
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@ -78,7 +81,8 @@ class pdfdoc():
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self.info = obj(info)
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# create an incomplete pages object so that a /Parent entry can be added to each page
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# create an incomplete pages object so that a /Parent entry can be
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# added to each page
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self.pages = obj({
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"/Type": "/Pages",
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"/Kids": [],
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@ -106,7 +110,8 @@ class pdfdoc():
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error_out("unsupported color space: %s"%color)
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exit(1)
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pdf_x, pdf_y = 72.0*width/dpi[0], 72.0*height/dpi[1] # pdf units = 1/72 inch
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# pdf units = 1/72 inch
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pdf_x, pdf_y = 72.0*width/dpi[0], 72.0*height/dpi[1]
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if pdf_x < 3.00 or pdf_y < 3.00:
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warning_out("pdf width or height is below 3.00 - decrease the dpi")
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@ -126,7 +131,8 @@ class pdfdoc():
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"/Width": width,
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"/Height": height,
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"/ColorSpace": color,
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"/BitsPerComponent": 8, # hardcoded as PIL doesnt provide bits for non-jpeg formats
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# hardcoded as PIL doesnt provide bits for non-jpeg formats
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"/BitsPerComponent": 8,
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"/Length": len(imgdata)
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}, imgdata)
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@ -178,7 +184,7 @@ class pdfdoc():
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result += "%%EOF\n"
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return result
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def main(images, dpi, title=None, author=None, creator=None, producer=None,
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def convert(images, dpi, title=None, author=None, creator=None, producer=None,
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creationdate=None, moddate=None, subject=None, keywords=None,
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colorspace=None, verbose=False):
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@ -190,7 +196,8 @@ def main(images, dpi, title=None, author=None, creator=None, producer=None,
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def warning_out(message):
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sys.stderr.write("W: "+message+"\n")
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pdf = pdfdoc(3, title, author, creator, producer, creationdate, moddate, subject, keywords)
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pdf = pdfdoc(3, title, author, creator, producer, creationdate,
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moddate, subject, keywords)
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for im in images:
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rawdata = im.read()
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@ -261,34 +268,64 @@ def main(images, dpi, title=None, author=None, creator=None, producer=None,
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return pdf.tostring()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser(description='lossless conversion/embedding of images (in)to pdf')
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parser.add_argument('images', metavar='infile', type=argparse.FileType('rb'),
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nargs='+', help='input file(s)')
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parser.add_argument('-o', '--output', metavar='out', type=argparse.FileType('wb'),
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default=sys.stdout, help='output file (default: stdout)')
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def positive_float(string):
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value = float(string)
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if value <= 0:
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msg = "%r is not positive"%string
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raise argparse.ArgumentTypeError(msg)
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return value
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parser.add_argument('-d', '--dpi', metavar='dpi', type=positive_float, help='dpi for pdf output (default: 96.0)')
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parser.add_argument('-t', '--title', metavar='title', type=str, help='title for metadata')
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parser.add_argument('-a', '--author', metavar='author', type=str, help='author for metadata')
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parser.add_argument('-c', '--creator', metavar='creator', type=str, help='creator for metadata')
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parser.add_argument('-p', '--producer', metavar='producer', type=str, help='producer for metadata')
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def valid_date(string):
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return datetime.strptime(string, "%Y-%m-%dT%H:%M:%S")
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parser.add_argument('-r', '--creationdate', metavar='creationdate',
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type=valid_date, help='creation date for metadata in YYYY-MM-DDTHH:MM:SS format')
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parser.add_argument('-m', '--moddate', metavar='moddate',
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type=valid_date, help='modification date for metadata in YYYY-MM-DDTHH:MM:SS format')
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parser.add_argument('-s', '--subject', metavar='subject', type=str, help='subject for metadata')
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parser.add_argument('-k', '--keywords', metavar='kw', type=str, nargs='+', help='keywords for metadata')
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parser.add_argument('-C', '--colorspace', metavar='colorspace', type=str, help='force PIL colorspace (one of: RGB, L, 1)')
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parser.add_argument('-v', '--verbose', help='verbose mode', action="store_true")
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args = parser.parse_args()
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args.output.write(main(args.images, args.dpi, args.title, args.author,
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parser = argparse.ArgumentParser(
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description='Lossless conversion/embedding of images (in)to pdf')
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parser.add_argument(
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'images', metavar='infile', type=argparse.FileType('rb'),
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nargs='+', help='input file(s)')
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parser.add_argument(
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'-o', '--output', metavar='out', type=argparse.FileType('wb'),
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default=sys.stdout, help='output file (default: stdout)')
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parser.add_argument(
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'-d', '--dpi', metavar='dpi', type=positive_float,
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help='dpi for pdf output (default: 96.0)')
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parser.add_argument(
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'-t', '--title', metavar='title', type=str,
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help='title for metadata')
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parser.add_argument(
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'-a', '--author', metavar='author', type=str,
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help='author for metadata')
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parser.add_argument(
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'-c', '--creator', metavar='creator', type=str,
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help='creator for metadata')
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parser.add_argument(
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'-p', '--producer', metavar='producer', type=str,
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help='producer for metadata')
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parser.add_argument(
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'-r', '--creationdate', metavar='creationdate', type=valid_date,
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help='creation date for metadata in YYYY-MM-DDTHH:MM:SS format')
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parser.add_argument(
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'-m', '--moddate', metavar='moddate', type=valid_date,
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help='modification date for metadata in YYYY-MM-DDTHH:MM:SS format')
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parser.add_argument(
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'-s', '--subject', metavar='subject', type=str,
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help='subject for metadata')
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parser.add_argument(
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'-k', '--keywords', metavar='kw', type=str, nargs='+',
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help='keywords for metadata')
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parser.add_argument(
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'-C', '--colorspace', metavar='colorspace', type=str,
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help='force PIL colorspace (one of: RGB, L, 1)')
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parser.add_argument(
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'-v', '--verbose', help='verbose mode', action="store_true")
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def main(args=None):
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if args is None:
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args = sys.argv[1:]
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args = parser.parse_args(args)
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args.output.write(
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convert(
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args.images, args.dpi, args.title, args.author,
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args.creator, args.producer, args.creationdate, args.moddate,
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args.subject, args.keywords, args.colorspace, args.verbose))
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