Added tests/test_insertimage.py:test_compress() and fix in rebased.

src/__init__.py: fixed _insert_image() in do_process_pixmap. Also made `log()`
show file:line:function().

Author: julian-smith-artifex-com

src/__init__.py

@@ -14,8 +14,13 @@
 import zipfile
 
 
-def log( text):
-    print( f'mupdfpy: {text}', file=sys.stdout)
+def log( text, caller=1):
+    import inspect
+    frame_record = inspect.stack( context=0)[ caller]
+    filename    = frame_record.filename
+    line        = frame_record.lineno
+    function    = frame_record.function
+    print( f'{filename}:{line}:{function}: {text}', file=sys.stdout)
     sys.stdout.flush()
 
 # Try to detect if we are being used with current directory set to a mupdfpy/
@@ -7524,8 +7529,8 @@ def _insert_image(self,
             #log( 'do_process_pixmap')
             # process pixmap ---------------------------------
             arg_pix = pixmap.this
-            w = arg_pix.w
-            h = arg_pix.h
+            w = arg_pix.w()
+            h = arg_pix.h()
             digest = mupdf.fz_md5_pixmap2(arg_pix)
             md5_py = digest
             temp = digests.get(md5_py, None)
@@ -7538,7 +7543,7 @@ def _insert_image(self,
                 do_have_image = 0
             else:
                 if arg_pix.alpha() == 0:
-                    image = mupdf.fz_new_image_from_pixmap(arg_pix, mupdf.FzImage(0))
+                    image = mupdf.fz_new_image_from_pixmap(arg_pix, mupdf.FzImage())
                 else:
                     pm = mupdf.fz_convert_pixmap(
                             arg_pix,

tests/test_insertimage.py

@@ -25,3 +25,23 @@ def test_insert():
     bbox2 = fitz.Rect(info_list[1]["bbox"])
     assert bbox1 in r1
     assert bbox2 in r2
+
+def test_compress():
+    document = fitz.open(f'{scriptdir}/resources/2.pdf')
+    document_new = fitz.open()
+    for page in document:
+        pixmap = page.get_pixmap(
+                colorspace=fitz.csRGB,
+                dpi=72,
+                annots=False,
+                )
+        page_new = document_new.new_page(-1)
+        page_new.insert_image(rect=page_new.bound(), pixmap=pixmap)
+    document_new.save(
+            f'{scriptdir}/resources/2.pdf.compress.pdf',
+            garbage=3,
+            deflate=True,
+            deflate_images=True,
+            deflate_fonts=True,
+            pretty=True,
+            )