--- a/OrthancFramework/Resources/Patches/OpenSSL-ConfigureHeaders.py	Fri Oct 10 16:20:39 2025 +0200
+++ b/OrthancFramework/Resources/Patches/OpenSSL-ConfigureHeaders.py	Fri Oct 10 17:52:18 2025 +0200
@@ -92,43 +92,43 @@
 def Parse(match):
     s = ''
     
-    for t in re.findall('generate_stack_macros\("(.+?)"\)', match.group(1)):
+    for t in re.findall(r'generate_stack_macros\("(.+?)"\)', match.group(1)):
         s += (GENERATE_STACK_MACROS
               .replace('${nametype}', t)
               .replace('${realtype}', t)
               .replace('${plaintype}', t))
         
-    for t in re.findall('generate_const_stack_macros\("(.+?)"\)', match.group(1)):
+    for t in re.findall(r'generate_const_stack_macros\("(.+?)"\)', match.group(1)):
         s += (GENERATE_STACK_MACROS
               .replace('${nametype}', t)
               .replace('${realtype}', 'const %s' % t)
               .replace('${plaintype}', t))
 
-    for t in re.findall('generate_stack_string_macros\(\)', match.group(1)):
+    for t in re.findall(r'generate_stack_string_macros\(\)', match.group(1)):
         s += (GENERATE_STACK_MACROS
               .replace('${nametype}', 'OPENSSL_STRING')
               .replace('${realtype}', 'char')
               .replace('${plaintype}', 'char'))
 
-    for t in re.findall('generate_stack_const_string_macros\(\)', match.group(1)):
+    for t in re.findall(r'generate_stack_const_string_macros\(\)', match.group(1)):
         s += (GENERATE_STACK_MACROS
               .replace('${nametype}', 'OPENSSL_CSTRING')
               .replace('${realtype}', 'const char')
               .replace('${plaintype}', 'char'))
 
-    for t in re.findall('generate_stack_block_macros\(\)', match.group(1)):
+    for t in re.findall(r'generate_stack_block_macros\(\)', match.group(1)):
         s += (GENERATE_STACK_MACROS
               .replace('${nametype}', 'OPENSSL_BLOCK')
               .replace('${realtype}', 'void')
               .replace('${plaintype}', 'void'))
         
-    for t in re.findall('generate_lhash_macros\("(.+?)"\)', match.group(1)):
+    for t in re.findall(r'generate_lhash_macros\("(.+?)"\)', match.group(1)):
         s += GENERATE_LHASH_MACROS.replace('${type}', t)
 
-    for t in re.findall('\$config{rc4_int}', match.group(1)):
+    for t in re.findall(r'\$config{rc4_int}', match.group(1)):
         s += 'unsigned int'
 
-    for t in re.findall('oids_to_c::process_leaves\(.+?\)', match.group(1), re.MULTILINE | re.DOTALL):
+    for t in re.findall(r'oids_to_c::process_leaves\(.+?\)', match.group(1), re.MULTILINE | re.DOTALL):
         if not CURRENT_HEADER in OIDS:
             raise Exception('Unknown header: %s' % CURRENT_HEADER)
 
@@ -145,18 +145,18 @@
     directory = os.path.join(sys.argv[1], base)
     for source in os.listdir(directory):
         if source.endswith('.h.in'):
-            target = re.sub('\.h\.in$', '.h', source)
+            target = re.sub(r'\.h\.in$', '.h', source)
                             
             with open(os.path.join(directory, source), 'r') as f:
                 with open(os.path.join(directory, target), 'w') as g:
                     CURRENT_HEADER = source
-                    g.write(re.sub('{-(.*?)-}.*?$', Parse, f.read(),
+                    g.write(re.sub(r'{-(.*?)-}.*?$', Parse, f.read(),
                                    flags = re.MULTILINE | re.DOTALL))
 
 
 with open(os.path.join(sys.argv[1], 'providers/common/der/orthanc_oids_gen.c'), 'w') as f:
     for (header, content) in OIDS.items():
-        f.write('#include "prov/%s"\n' % re.sub('\.h\.in$', '.h', header))
+        f.write('#include "prov/%s"\n' % re.sub(r'\.h\.in$', '.h', header))
 
     f.write('\n')