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flagutil: create a `mercurial.revlogutils.flagutil` module
authorPierre-Yves David <pierre-yves.david@octobus.net>
Thu, 08 Aug 2019 01:03:01 +0200
changeset 42745 ca5ca3badd3c
parent 42744 bbe71b5afd02
child 42746 05c80f9ef100
flagutil: create a `mercurial.revlogutils.flagutil` module The flagprocessings logic is duplicated in 2 extra places, and usually in a less robust flavor. This is a maintenance nightmare that I would like to see cleaned up. To do so I am creating a `flagutil` module to move flag processings related code and make it easily reusable by other code.
contrib/import-checker.py file | annotate | diff | comparison | revisions
mercurial/revlog.py file | annotate | diff | comparison | revisions
mercurial/revlogutils/flagutil.py file | annotate | diff | comparison | revisions 
--- a/contrib/import-checker.py	Wed Aug 07 22:02:49 2019 +0200
+++ b/contrib/import-checker.py	Thu Aug 08 01:03:01 2019 +0200
@@ -31,6 +31,7 @@
     'mercurial.node',
     # for revlog to re-export constant to extensions
     'mercurial.revlogutils.constants',
+    'mercurial.revlogutils.flagutil',
     # for cffi modules to re-export pure functions
     'mercurial.pure.base85',
     'mercurial.pure.bdiff',
--- a/mercurial/revlog.py	Wed Aug 07 22:02:49 2019 +0200
+++ b/mercurial/revlog.py	Thu Aug 08 01:03:01 2019 +0200
@@ -38,13 +38,6 @@
 from .revlogutils.constants import (
     FLAG_GENERALDELTA,
     FLAG_INLINE_DATA,
-    REVIDX_DEFAULT_FLAGS,
-    REVIDX_ELLIPSIS,
-    REVIDX_EXTSTORED,
-    REVIDX_FLAGS_ORDER,
-    REVIDX_ISCENSORED,
-    REVIDX_KNOWN_FLAGS,
-    REVIDX_RAWTEXT_CHANGING_FLAGS,
     REVLOGV0,
     REVLOGV1,
     REVLOGV1_FLAGS,
@@ -54,6 +47,15 @@
     REVLOG_DEFAULT_FORMAT,
     REVLOG_DEFAULT_VERSION,
 )
+from .revlogutils.flagutil import (
+    REVIDX_DEFAULT_FLAGS,
+    REVIDX_ELLIPSIS,
+    REVIDX_EXTSTORED,
+    REVIDX_FLAGS_ORDER,
+    REVIDX_ISCENSORED,
+    REVIDX_KNOWN_FLAGS,
+    REVIDX_RAWTEXT_CHANGING_FLAGS,
+)
 from .thirdparty import (
     attr,
 )
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mercurial/revlogutils/flagutil.py	Thu Aug 08 01:03:01 2019 +0200
@@ -0,0 +1,31 @@
+# flagutils.py - code to deal with revlog flags and their processors
+#
+# Copyright 2016 Remi Chaintron <remi@fb.com>
+# Copyright 2016-2019 Pierre-Yves David <pierre-yves.david@ens-lyon.org>
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+
+from __future__ import absolute_import
+
+from .constants import (
+    REVIDX_DEFAULT_FLAGS,
+    REVIDX_ELLIPSIS,
+    REVIDX_EXTSTORED,
+    REVIDX_FLAGS_ORDER,
+    REVIDX_ISCENSORED,
+    REVIDX_KNOWN_FLAGS,
+    REVIDX_RAWTEXT_CHANGING_FLAGS,
+)
+
+# blanked usage of all the name to prevent pyflakes constraints
+# We need these name available in the module for extensions.
+REVIDX_ISCENSORED
+REVIDX_ELLIPSIS
+REVIDX_EXTSTORED
+REVIDX_DEFAULT_FLAGS
+REVIDX_FLAGS_ORDER
+REVIDX_KNOWN_FLAGS
+REVIDX_RAWTEXT_CHANGING_FLAGS
+
+
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