Cleanup of pdfrw

1 files changed, 0 insertions, 191 deletions

diff --git a/lib/pdfrw/buildxobj.py b/lib/pdfrw/buildxobj.py
deleted file mode 100644
index 203dd8c..0000000
--- a/lib/pdfrw/buildxobj.py
+++ /dev/null
@@ -1,191 +0,0 @@
-# A part of pdfrw (pdfrw.googlecode.com)
-# Copyright (C) 2006-2009 Patrick Maupin, Austin, Texas
-# MIT license -- See LICENSE.txt for details
-
-'''
-
-This module contains code to build PDF "Form XObjects".
-
-A Form XObject allows a fragment from one PDF file to be cleanly
-included in another PDF file.
-
-Reference for syntax: "Parameters for opening PDF files" from SDK 8.1
-
-        http://www.adobe.com/devnet/acrobat/pdfs/pdf_open_parameters.pdf
-
-        supported 'page=xxx', 'viewrect=<left>,<top>,<width>,<height>'
-
-        Units are in points
-
-Reference for content:   Adobe PDF reference, sixth edition, version 1.7
-
-        http://www.adobe.com/devnet/acrobat/pdfs/pdf_reference_1-7.pdf
-
-        Form xobjects discussed chapter 4.9, page 355
-'''
-
-from pdfobjects import PdfDict, PdfArray, PdfName
-from pdfreader import PdfReader
-
-class ViewInfo(object):
-    ''' Instantiate ViewInfo with a uri, and it will parse out
-        the filename, page, and viewrect into object attributes.
-    '''
-    doc = None
-    docname = None
-    page = None
-    viewrect = None
-
-    def __init__(self, pageinfo='', **kw):
-        pageinfo=pageinfo.split('#',1)
-        if len(pageinfo) == 2:
-            pageinfo[1:] = pageinfo[1].replace('&', '#').split('#')
-        for key in 'page viewrect'.split():
-            if pageinfo[0].startswith(key+'='):
-                break
-        else:
-            self.docname = pageinfo.pop(0)
-        for item in pageinfo:
-            key, value = item.split('=')
-            key = key.strip()
-            value = value.replace(',', ' ').split()
-            if key == 'page':
-                assert len(value) == 1
-                setattr(self, key, int(value[0]))
-            elif key == 'viewrect':
-                assert len(value) == 4
-                setattr(self, key, [float(x) for x in value])
-            else:
-                log.error('Unknown option: %s', key)
-        for key, value in kw.iteritems():
-            assert hasattr(self, key), key
-            setattr(self, key, value)
-
-def getrects(inheritable, pageinfo):
-    ''' Given the inheritable attributes of a page and
-        the desired pageinfo rectangle, return the page's
-        media box and the calculated boundary (clip) box.
-    '''
-    mbox = tuple([float(x) for x in inheritable.MediaBox])
-    vrect = pageinfo.viewrect
-    if vrect is None:
-        cbox = tuple([float(x) for x in (inheritable.CropBox or mbox)])
-    else:
-        mleft, mbot, mright, mtop = mbox
-        x, y, w, h = vrect
-        cleft = mleft + x
-        ctop = mtop - y
-        cright = cleft + w
-        cbot = ctop - h
-        cbox = max(mleft, cleft), max(mbot, cbot), min(mright, cright), min(mtop, ctop)
-    return mbox, cbox
-
-def _cache_xobj(contents, resources, mbox, bbox):
-    ''' Return a cached Form XObject, or create a new one and cache it.
-    '''
-    cachedict = contents.xobj_cachedict
-    if cachedict is None:
-        cachedict = contents.private.xobj_cachedict = {}
-    result = cachedict.get(bbox)
-    if result is None:
-        func = (_get_fullpage, _get_subpage)[mbox != bbox]
-        result = PdfDict(
-            func(contents, resources, mbox, bbox),
-            Type = PdfName.XObject,
-            Subtype = PdfName.Form,
-            FormType = 1,
-            BBox = PdfArray(bbox),
-        )
-        cachedict[bbox] = result
-    return result
-
-def _get_fullpage(contents, resources, mbox, bbox):
-    ''' fullpage is easy.  Just copy the contents,
-        set up the resources, and let _cache_xobj handle the
-        rest.
-    '''
-    return PdfDict(contents, Resources=resources)
-
-def _get_subpage(contents, resources, mbox, bbox):
-    ''' subpages *could* be as easy as full pages, but we
-        choose to complicate life by creating a Form XObject
-        for the page, and then one that references it for
-        the subpage, on the off-chance that we want multiple
-        items from the page.
-    '''
-    return PdfDict(
-        stream = '/FullPage Do\n',
-        Resources = PdfDict(
-            XObject = PdfDict(
-                FullPage = _cache_xobj(contents, resources, mbox, mbox)
-            )
-        )
-    )
-
-def pagexobj(page, viewinfo=ViewInfo(), allow_compressed=True):
-    ''' pagexobj creates and returns a Form XObject for
-        a given view within a page (Defaults to entire page.)
-    '''
-    inheritable = page.inheritable
-    resources = inheritable.Resources
-    mbox, bbox = getrects(inheritable, viewinfo)
-    contents = page.Contents
-    # Make sure the only attribute is length
-    # All the filters must have been executed
-    assert int(contents.Length) == len(contents.stream)
-    if not allow_compressed:
-        assert len([x for x in contents.iteritems()]) == 1
-
-    return _cache_xobj(contents, resources, mbox, bbox)
-
-
-def docxobj(pageinfo, doc=None, allow_compressed=True):
-    ''' docxobj creates and returns an actual Form XObject.
-        Can work standalone, or in conjunction with
-        the CacheXObj class (below).
-    '''
-    if not isinstance(pageinfo, ViewInfo):
-        pageinfo = ViewInfo(pageinfo)
-
-    # If we're explicitly passed a document,
-    # make sure we don't have one implicitly as well.
-    # If no implicit or explicit doc, then read one in
-    # from the filename.
-    if doc is not None:
-        assert pageinfo.doc is None
-        pageinfo.doc = doc
-    elif pageinfo.doc is not None:
-        doc = pageinfo.doc
-    else:
-        doc = pageinfo.doc = PdfReader(pageinfo.docname, decompress = not allow_compressed)
-    assert isinstance(doc, PdfReader)
-
-    sourcepage = doc.pages[(pageinfo.page or 1) - 1]
-    return pagexobj(sourcepage, pageinfo, allow_compressed)
-
-
-class CacheXObj(object):
-    ''' Use to keep from reparsing files over and over,
-        and to keep from making the output too much
-        bigger than it ought to be by replicating
-        unnecessary object copies.
-    '''
-    def __init__(self, decompress=False):
-        ''' Set decompress true if you need
-            the Form XObjects to be decompressed.
-            Will decompress what it can and scream
-            about the rest.
-        '''
-        self.cached_pdfs = {}
-        self.decompress = decompress
-
-    def load(self, sourcename):
-        ''' Load a Form XObject from a uri
-        '''
-        info = ViewInfo(sourcename)
-        fname = info.docname
-        pcache = self.cached_pdfs
-        doc = pcache.get(fname)
-        if doc is None:
-            doc = pcache[fname] = PdfReader(fname, decompress=self.decompress)
-        return docxobj(info, doc, allow_compressed=not self.decompress)