Esempio n. 1
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    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)
Esempio n. 2
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    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
Esempio n. 3
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    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
Esempio n. 4
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    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)