Allow deterministic "generated by" string for easy comparison.

ce8776b3 · Robert Bradshaw · cc452cb6 · ce8776b3 · ce8776b3 · ce8776b3
Commit ce8776b3 authored Aug 21, 2012 by Robert Bradshaw
4 changed files
--- a/Cython/Compiler/Annotate.py
+++ b/Cython/Compiler/Annotate.py
@@ -86,7 +86,7 @@ class AnnotationCCodeWriter(CCodeWriter):
        html_filename = os.path.splitext(target_filename)[0] + ".html"
        f = codecs.open(html_filename, "w", encoding="UTF-8")
-        f.write(u'<!-- Generated by Cython %s on %s -->\n' % (Version.version, time.asctime()))
+        f.write(u'<!-- Generated by Cython %s -->\n' % Version.watermark)
        f.write(u'<html>\n')
        f.write(u"""
 <head>
@@ -127,7 +127,7 @@ function toggleDiv(id) {
 </head>
        """)
        f.write(u'<body>\n')
-        f.write(u'<p>Generated by Cython %s on %s\n' % (Version.version, time.asctime()))
+        f.write(u'<p>Generated by Cython %s\n' % Version.watermark)
        c_file = Utils.decode_filename(os.path.basename(target_filename))
        f.write(u'<p>Raw output: <a href="%s">%s</a>\n' % (c_file, c_file))
        k = 0

--- a/Cython/Compiler/ModuleNode.py
+++ b/Cython/Compiler/ModuleNode.py
@@ -27,6 +27,7 @@ from Code import UtilityCode
 from StringEncoding import EncodedString
 def check_c_declarations_pxd(module_node):
    module_node.scope.check_c_classes_pxd()
    return module_node
@@ -491,8 +492,7 @@ class ModuleNode(Nodes.Node, Nodes.BlockNode):
            self.generate_cfunction_declarations(module, modulecode, defined_here)
    def generate_module_preamble(self, env, cimported_modules, code):
-        code.putln("/* Generated by Cython %s on %s */" % (
+        code.putln("/* Generated by Cython %s */" % Version.watermark)
-            Version.version, time.asctime()))
        code.putln("")
        code.putln("#define PY_SSIZE_T_CLEAN")
        for filename in env.python_include_files:

--- a/Cython/Compiler/Version.py
+++ b/Cython/Compiler/Version.py
 # for backwards compatibility
 from Cython import __version__ as version
+# For generated by string.
+import time
+watermark = "%s on %s" % (version, time.asctime())
--- a/runtests.py
+++ b/runtests.py
@@ -1443,6 +1443,8 @@ def main():
                      help="configure for easier use with a debugger (e.g. gdb)")
    parser.add_option("--pyximport-py", dest="pyximport_py", default=False, action="store_true",
                      help="use pyximport to automatically compile imported .pyx and .py files")
+    parser.add_option("--watermark", dest="watermark", default=None,
+                      help="deterministic generated by string")
    options, cmd_args = parser.parse_args()
@@ -1472,6 +1474,10 @@ def main():
                else:
                    options.with_cython = False
+    if options.watermark:
+        import Cython.Compiler.Version
+        Cython.Compiler.Version.watermark = options.watermark
    WITH_CYTHON = options.with_cython
    coverage = None