Ticket #20666: patch-disable_optional_deps.diff

setupext.py

@@ -338 +338 @@
     return '.'.join(temp)
 
 def check_for_qt():
-    try:
-        import pyqtconfig
-    except ImportError:
+    MP_QT=False
+    if MP_QT:
+        try:
+            import pyqtconfig
+        except ImportError:
+            print_status("Qt", "no")
+            return False
+        else:
+            try:
+                qt_version = pyqtconfig.Configuration().qt_version
+                qt_version = convert_qt_version(qt_version)
+            except AttributeError:
+                qt_version = "<unknown>"
+            print_status("Qt", "Qt: %s, PyQt: %s" %
+                         (qt_version,
+                          pyqtconfig.Configuration().pyqt_version_str))
+            return True
+    else:
         print_status("Qt", "no")
         return False
-    else:
-        try:
-            qt_version = pyqtconfig.Configuration().qt_version
-            qt_version = convert_qt_version(qt_version)
-        except AttributeError:
-            qt_version = "<unknown>"
-        print_status("Qt", "Qt: %s, PyQt: %s" %
-                     (qt_version,
-                      pyqtconfig.Configuration().pyqt_version_str))
-        return True
 
 def check_for_qt4():
-    try:
-        from PyQt4 import pyqtconfig
-    except ImportError:
+    MP_QT4=False
+    if MP_QT4:
+        try:
+            from PyQt4 import pyqtconfig
+        except ImportError:
+            print_status("Qt4", "no")
+            return False
+        else:
+            print_status("Qt4", "Qt: %s, PyQt4: %s" %
+                         (convert_qt_version(pyqtconfig.Configuration().qt_version),
+                          pyqtconfig.Configuration().pyqt_version_str))
+            return True
+    else:
         print_status("Qt4", "no")
         return False
-    else:
-        print_status("Qt4", "Qt: %s, PyQt4: %s" %
-                     (convert_qt_version(pyqtconfig.Configuration().qt_version),
-                      pyqtconfig.Configuration().pyqt_version_str))
-        return True
 
 def check_for_cairo():
-    try:
-        import cairo
-    except ImportError:
+    MP_Cairo=False
+    if MP_Cairo:
+        try:
+            import cairo
+        except ImportError:
+            print_status("Cairo", "no")
+            return False
+        else:
+            print_status("Cairo", cairo.version)
+            return True
+    else:
         print_status("Cairo", "no")
         return False
-    else:
-        print_status("Cairo", cairo.version)
-        return True
 
 def check_for_datetime():
     try:
@@ -433 +448 @@
             return False
 
 def check_for_dvipng():
-    try:
-        stdin, stdout = run_child_process('dvipng -version')
-        print_status("dvipng", stdout.readlines()[1].split()[-1])
-        return True
-    except (IndexError, ValueError):
+    MP_LaTeX=False
+    if MP_LaTeX:
+        try:
+            stdin, stdout = run_child_process('dvipng -version')
+            print_status("dvipng", stdout.readlines()[1].split()[-1])
+            return True
+        except (IndexError, ValueError):
+            print_status("dvipng", "no")
+            return False
+    else:
         print_status("dvipng", "no")
         return False
 
 def check_for_ghostscript():
-    try:
-        if sys.platform == 'win32':
-            command = 'gswin32c --version'
-        else:
-            command = 'gs --version'
-        stdin, stdout = run_child_process(command)
-        print_status("ghostscript", stdout.read()[:-1])
-        return True
-    except (IndexError, ValueError):
+    MP_GhostScript=False
+    if MP_GhostScript:
+        try:
+            if sys.platform == 'win32':
+                command = 'gswin32c --version'
+            else:
+                command = 'gs --version'
+            stdin, stdout = run_child_process(command)
+            print_status("ghostscript", stdout.read()[:-1])
+            return True
+        except (IndexError, ValueError):
+            print_status("ghostscript", "no")
+            return False
+    else:
         print_status("ghostscript", "no")
         return False
 
 def check_for_latex():
-    try:
-        stdin, stdout = run_child_process('latex -version')
-        line = stdout.readlines()[0]
-        pattern = '(3\.1\d+)|(MiKTeX \d+.\d+)'
-        match = re.search(pattern, line)
-        print_status("latex", match.group(0))
-        return True
-    except (IndexError, ValueError, AttributeError):
+    MP_LaTeX=False
+    if MP_LaTeX:
+        try:
+            stdin, stdout = run_child_process('latex -version')
+            line = stdout.readlines()[0]
+            pattern = '(3\.1\d+)|(MiKTeX \d+.\d+)'
+            match = re.search(pattern, line)
+            print_status("latex", match.group(0))
+            return True
+        except (IndexError, ValueError, AttributeError):
+            print_status("latex", "no")
+            return False
+    else:
         print_status("latex", "no")
         return False
 
@@ -806 +836 @@
 def check_for_macosx():
     gotit = False
     import sys
-    if sys.platform=='darwin':
-        gotit = True
-    if gotit:
-        print_status("Mac OS X native", "yes")
+    MP_MACOSX = False
+    if MP_MACOSX:
+        if sys.platform=='darwin':
+            gotit = True
+        if gotit:
+            print_status("Mac OS X native", "yes")
+        else:
+            print_status("Mac OS X native", "no")
+        return gotit
     else:
         print_status("Mac OS X native", "no")
-    return gotit
+        return False
 
 def query_tcltk():
     """Tries to open a Tk window in order to query the Tk object about its library paths.