From 87143cb36fb4234c521e80713aa0d71a9bac7a09 Mon Sep 17 00:00:00 2001
From: Yusuke Shinyama <yusuke@shinyama.jp>
Date: Wed, 9 Oct 2013 22:08:16 +0900
Subject: [PATCH] Fallback when /Pages does not exist.

---
 pdfminer/pdfinterp.py |  9 +++++----
 pdfminer/pdfparser.py | 27 ++++++++++++++-------------
 2 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/pdfminer/pdfinterp.py b/pdfminer/pdfinterp.py
index 3b0c789..f74e501 100644
--- a/pdfminer/pdfinterp.py
+++ b/pdfminer/pdfinterp.py
@@ -18,7 +18,7 @@ from pdffont import PDFFontError
 from pdffont import PDFType1Font, PDFTrueTypeFont, PDFType3Font
 from pdffont import PDFCIDFont
 from pdfparser import PDFDocument, PDFParser
-from pdfparser import PDFPasswordIncorrect
+from pdfparser import PDFPasswordIncorrect, PDFObjectNotFound
 from pdfcolor import PDFColorSpace
 from pdfcolor import PREDEFINED_COLORSPACE
 from pdfcolor import LITERAL_DEVICE_GRAY, LITERAL_DEVICE_RGB
@@ -335,7 +335,10 @@ class PDFPageInterpreter(object):
                     objid = None
                     if isinstance(spec, PDFObjRef):
                         objid = spec.objid
-                    spec = dict_value(spec)
+                    try:
+                        spec = dict_value(spec)
+                    except PDFObjectNotFound:
+                        spec = {}
                     self.fontmap[fontid] = self.rsrcmgr.get_font(objid, spec)
             elif k == 'ColorSpace':
                 for (csid,spec) in dict_value(v).iteritems():
@@ -629,10 +632,8 @@ class PDFPageInterpreter(object):
         try:
             self.textstate.font = self.fontmap[literal_name(fontid)]
         except KeyError:
-            raise
             if STRICT:
                 raise PDFInterpreterError('Undefined Font id: %r' % fontid)
-            return
         self.textstate.fontsize = fontsize
         return
     # setrendering
diff --git a/pdfminer/pdfparser.py b/pdfminer/pdfparser.py
index a4ab8be..3cddf83 100644
--- a/pdfminer/pdfparser.py
+++ b/pdfminer/pdfparser.py
@@ -505,12 +505,6 @@ class PDFDocument(object):
             obj = decipher_all(self.decipher, objid, genno, obj)
         return obj
 
-    def get_objects(self):
-        for xref in self.xrefs:
-            for objid in xref.get_objids():
-                yield self.getobj(objid)
-        return
-
     INHERITABLE_ATTRS = set(['Resources', 'MediaBox', 'CropBox', 'Rotate'])
     def get_pages(self):
         if not self.xrefs:
@@ -535,14 +529,21 @@ class PDFDocument(object):
                 if 1 <= self.debug:
                     print >>sys.stderr, 'Page: %r' % tree
                 yield (objid, tree)
-        if 'Pages' in self.catalog:
-            for (pageid,tree) in search(self.catalog['Pages'], self.catalog):
-                yield PDFPage(self, pageid, tree)
-        else:
+        try:
+            if 'Pages' in self.catalog:
+                for (objid,tree) in search(self.catalog['Pages'], self.catalog):
+                    yield PDFPage(self, objid, tree)
+                return
+        except PDFObjectNotFound:
             # fallback when /Pages is missing.
-            for obj in self.get_objects():
-                if isinstance(obj, dict) and obj.get('Type') is LITERAL_PAGES:
-                    yield PDFPage(self, pageid, obj)
+            for xref in self.xrefs:
+                for objid in xref.get_objids():
+                    try:
+                        obj = self.getobj(objid)
+                        if isinstance(obj, dict) and obj.get('Type') is LITERAL_PAGE:
+                            yield PDFPage(self, objid, obj)
+                    except PDFObjectNotFound:
+                        pass
         return
 
     def get_outlines(self):