Class PDFPage

pattern/web/pdf/pdfparser.py:224–276

An object that holds the information about a page. A PDFPage object is merely a convenience class that has a set of keys and values, which describe the properties of a page and point to its contents. Attributes: doc: a PDFDocument object. pageid: any Python object that

##  PDFPage
##
class PDFPage(object):

    """An object that holds the information about a page.

    A PDFPage object is merely a convenience class that has a set
    of keys and values, which describe the properties of a page
    and point to its contents.

    Attributes:
      doc: a PDFDocument object.
      pageid: any Python object that can uniquely identify the page.
      attrs: a dictionary of page attributes.
      contents: a list of PDFStream objects that represents the page content.
      lastmod: the last modified time of the page.
      resources: a list of resources used by the page.
      mediabox: the physical size of the page.
      cropbox: the crop rectangle of the page.
      rotate: the page rotation (in degree).
      annots: the page annotations.
      beads: a chain that represents natural reading order.
    """

    def __init__(self, doc, pageid, attrs):
        """Initialize a page object.
        
        doc: a PDFDocument object.
        pageid: any Python object that can uniquely identify the page.
        attrs: a dictionary of page attributes.
        """
        self.doc = doc
        self.pageid = pageid
        self.attrs = dict_value(attrs)
        self.lastmod = resolve1(self.attrs.get('LastModified'))
        self.resources = resolve1(self.attrs['Resources'])
        self.mediabox = resolve1(self.attrs['MediaBox'])
        if 'CropBox' in self.attrs:
            self.cropbox = resolve1(self.attrs['CropBox'])
        else:
            self.cropbox = self.mediabox
        self.rotate = (self.attrs.get('Rotate', 0)+360) % 360
        self.annots = self.attrs.get('Annots')
        self.beads = self.attrs.get('B')
        if 'Contents' in self.attrs:
            contents = resolve1(self.attrs['Contents'])
        else:
            contents = []
        if not isinstance(contents, list):
            contents = [ contents ]
        self.contents = contents
        return

    def __repr__(self):
        return '<PDFPage: Resources=%r, MediaBox=%r>' % (self.resources, self.mediabox)


##  PDFDocument