def make_barcode_pdf(self, isbn, pdf, corner='br'):
"""Put an ISBN barcode in a corner of a single blank page."""
product_code = bookland.makeProductCode(str(isbn))
if product_code.type in ("ISBN10", "ISBN13", "ISMN"):
b = bookland.Bookland(product_code)
elif product_code.type in ("EAN13", ):
b = bookland.EAN13Symbol(product_code)
else:
raise bookland.ProductCodeError(
"what kind of product code is this?")
position = (corner, float(self.width), float(self.height),
float(self.side_margin), float(self.bottom_margin))
epslines = b.eps(position=position)
cmd2 = [
'ps2pdf', '-dFIXEDMEDIA',
'-dDEVICEWIDTHPOINTS=%s' % self.width,
'-dDEVICEHEIGHTPOINTS=%s' % self.height, '-', pdf
]
p2 = Popen(cmd2, stdin=PIPE, stdout=PIPE, stderr=PIPE)
out, err = p2.communicate(epslines)
def clean_isbn(self):
isbn = self.cleaned_data["isbn"]
if isbn:
try:
product_code = bookland.makeProductCode(str(isbn))
except bookland.ProductCodeError:
product_code = None
msg = u"Invalid ISBN."
if not product_code or product_code.type not in ("ISBN10", "ISBN13", "ISMN"):
raise forms.ValidationError(msg)
return isbn
def clean_isbn(self):
isbn = self.cleaned_data["isbn"]
if isbn:
try:
product_code = bookland.makeProductCode(str(isbn))
except bookland.ProductCodeError:
product_code = None
msg = u"Invalid ISBN."
if not product_code or product_code.type not in ("ISBN10",
"ISBN13", "ISMN"):
raise forms.ValidationError(msg)
return isbn
def make_barcode_pdf(self, isbn, pdf, corner='br'):
"""Put an ISBN barcode in a corner of a single blank page."""
product_code = bookland.makeProductCode(str(isbn))
if product_code.type in ("ISBN10", "ISBN13", "ISMN"):
b = bookland.Bookland(product_code)
elif product_code.type in ("EAN13", ):
b = bookland.EAN13Symbol(product_code)
else:
raise bookland.ProductCodeError("what kind of product code is this?")
position = (corner, float(self.width), float(self.height), float(self.side_margin), float(self.bottom_margin))
epslines = b.eps(position=position)
cmd2 = ['ps2pdf',
'-dFIXEDMEDIA',
'-dDEVICEWIDTHPOINTS=%s' % self.width,
'-dDEVICEHEIGHTPOINTS=%s' % self.height,
'-', pdf]
p2 = Popen(cmd2, stdin=PIPE, stdout=PIPE, stderr=PIPE)
out, err = p2.communicate(epslines)
