File 0001-use-editdistance-not-ukkonen.patch of Package python-identify

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File 0001-use-editdistance-not-ukkonen.patch of Package python-identify (Revision 36ba523260d168ac369c756666153c79)

Currently displaying revision 36ba523260d168ac369c756666153c79 , Show latest

From: Matthias Fehring <buschmann23@opensuse.org>
Date: 2023-11-01 09:44:00 +0100
Subject: Use editdistance instead of ukkonen
Upstream: never

Upstream switched from editdistance_s to ukkonen that is currently
not packaged for openSUSE.

---
 identify/identify.py |   10 ++++------
 setup.cfg            |    2 +-
 2 files changed, 5 insertions(+), 7 deletions(-)

--- a/identify/identify.py	2023-10-28 19:19:41.000000000 +0200
+++ b/identify/identify.py	2023-11-01 09:39:16.942021416 +0100
@@ -243,7 +243,7 @@
     3. check exact text match with existing licenses
     4. failing that use edit distance
     """
-    import ukkonen  # `pip install identify[license]`
+    import editdistance  # `pip install identify[license]`
 
     with open(filename, encoding='UTF-8') as f:
         contents = f.read()
@@ -253,8 +253,6 @@
     min_edit_dist = sys.maxsize
     min_edit_dist_spdx = ''
 
-    cutoff = math.ceil(.05 * len(norm))
-
     # try exact matches
     for spdx, text in licenses.LICENSES:
         norm_license = _norm_license(text)
@@ -265,13 +263,13 @@
         if norm and abs(len(norm) - len(norm_license)) / len(norm) > .05:
             continue
 
-        edit_dist = ukkonen.distance(norm, norm_license, cutoff)
-        if edit_dist < cutoff and edit_dist < min_edit_dist:
+        edit_dist = editdistance.distance(norm, norm_license)
+        if edit_dist < min_edit_dist:
             min_edit_dist = edit_dist
             min_edit_dist_spdx = spdx
 
     # if there's less than 5% edited from the license, we found our match
-    if norm and min_edit_dist < cutoff:
+    if norm and min_edit_dist / len(norm) < .05:
         return min_edit_dist_spdx
     else:
         # no matches :'(
--- a/setup.cfg	2023-10-28 19:19:41.000000000 +0200
+++ b/setup.cfg	2023-11-01 10:13:07.904157653 +0100
@@ -31,7 +31,7 @@
 
 [options.extras_require]
 license =
-    ukkonen
+    editdistance
 
 [options.package_data]
 identify =

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File 0001-use-editdistance-not-ukkonen.patch of Package python-identify (Revision 36ba523260d168ac369c756666153c79)

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