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path: root/jbig2enc-pdfpy.patch
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diff --unified --recursive --text --color jbig2enc-0.29/pdf.py jbig2enc-0.29.new/pdf.py
--- jbig2enc-0.29/pdf.py	2017-01-30 12:27:36.000000000 -0500
+++ jbig2enc-0.29.new/pdf.py	2022-02-18 21:55:20.043706067 -0500
@@ -33,23 +33,24 @@
 class Ref:
   def __init__(self, x):
     self.x = x
-  def __str__(self):
-    return "%d 0 R" % self.x
+
+  def __bytes__(self):
+    return b"%d 0 R" % self.x
 
 class Dict:
   def __init__(self, values = {}):
     self.d = {}
     self.d.update(values)
 
-  def __str__(self):
-    s = ['<< ']
+  def __bytes__(self):
+    s = [b'<< ']
     for (x, y) in self.d.items():
-      s.append('/%s ' % x)
-      s.append(str(y))
-      s.append("\n")
-    s.append(">>\n")
+      s.append(b"/%s " % x.encode())
+      s.append(y.encode())
+      s.append(b"\n")
+    s.append(b">>\n")
 
-    return ''.join(s)
+    return b''.join(s)
 
 global_next_id = 1
 
@@ -65,16 +66,18 @@
     self.id = global_next_id
     global_next_id += 1
 
-  def __str__(self):
+  def __bytes__(self):
     s = []
-    s.append(str(self.d))
+    s.append(bytes(self.d))
     if self.stream is not None:
-      s.append('stream\n')
-      s.append(self.stream)
-      s.append('\nendstream\n')
-    s.append('endobj\n')
-
-    return ''.join(s)
+      s.append(b'stream\n')
+      if isinstance(self.stream, str):
+        s.append(self.stream.encode())
+      else:
+        s.append(self.stream)
+      s.append(b'\nendstream\n')
+    s.append(b'endobj\n')
+    return b''.join(s)
 
 class Doc:
   def __init__(self):
@@ -89,7 +92,7 @@
     self.pages.append(o)
     return self.add_object(o)
 
-  def __str__(self):
+  def __bytes__(self):
     a = []
     j = [0]
     offsets = []
@@ -97,27 +100,27 @@
     def add(x):
       a.append(x)
       j[0] += len(x) + 1
-    add('%PDF-1.4')
+    add(b'%PDF-1.4')
     for o in self.objs:
       offsets.append(j[0])
-      add('%d 0 obj' % o.id)
-      add(str(o))
+      add(b'%d 0 obj' % o.id)
+      add(bytes(o))
     xrefstart = j[0]
-    a.append('xref')
-    a.append('0 %d' % (len(offsets) + 1))
-    a.append('0000000000 65535 f ')
+    a.append(b'xref')
+    a.append(b'0 %d' % (len(offsets) + 1))
+    a.append(b'0000000000 65535 f ')
     for o in offsets:
-      a.append('%010d 00000 n ' % o)
-    a.append('')
-    a.append('trailer')
-    a.append('<< /Size %d\n/Root 1 0 R >>' % (len(offsets) + 1))
-    a.append('startxref')
-    a.append(str(xrefstart))
-    a.append('%%EOF')
+      a.append(b'%010d 00000 n ' % o)
+    a.append(b'')
+    a.append(b'trailer')
+    a.append(b'<< /Size %d\n/Root 1 0 R >>' % (len(offsets) + 1))
+    a.append(b'startxref')
+    a.append(b'%d' % xrefstart)
+    a.append(b'%%EOF')
 
     # sys.stderr.write(str(offsets) + "\n")
 
-    return '\n'.join(a)
+    return b'\n'.join(a)
 
 def ref(x):
   return '%d 0 R' % x
@@ -128,13 +131,15 @@
   doc.add_object(Obj({'Type' : '/Outlines', 'Count': '0'}))
   pages = Obj({'Type' : '/Pages'})
   doc.add_object(pages)
-  symd = doc.add_object(Obj({}, file(symboltable, 'rb').read()))
+  with open(symboltable, 'rb') as f:
+    symd = doc.add_object(Obj({}, f.read()))
   page_objs = []
 
   pagefiles.sort()
   for p in pagefiles:
     try:
-      contents = file(p, mode='rb').read()
+      with open(p, 'rb') as f:
+        contents = f.read()
     except IOError:
       sys.stderr.write("error reading page file %s\n"% p)
       continue
@@ -162,7 +167,8 @@
     pages.d.d['Count'] = str(len(page_objs))
     pages.d.d['Kids'] = '[' + ' '.join([ref(x.id) for x in page_objs]) + ']'
 
-  print str(doc)
+  sys.stdout.buffer.write(bytes(doc))
+  sys.stdout.buffer.write(b'\n')
 
 
 def usage(script, msg):