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[bug#48091,v4,06/11] gnu: Add python-nltk@3.4.

Message ID 20210430133229.8763-6-rg@raghavgururajan.name
State Accepted
Headers show
Series [bug#48091,v4,01/11] gnu: Add python-colorful. | expand

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Commit Message

Raghav Gururajan April 30, 2021, 1:32 p.m. UTC 
* gnu/packages/python-xyz.scm (python-nltk-3.4): New variable.
---
 gnu/packages/python-xyz.scm | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
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Patch

diff --git a/gnu/packages/python-xyz.scm b/gnu/packages/python-xyz.scm
index 7e8f0c911c..7916e8ba3c 100644
--- a/gnu/packages/python-xyz.scm
+++ b/gnu/packages/python-xyz.scm
@@ -15061,6 +15061,25 @@  for classification, tokenization, stemming, tagging, parsing, and semantic
 reasoning, wrappers for natural language processing libraries.")
     (license license:asl2.0)))
 
+;; Versions >=3.5 breaks backward-compatibility,
+;; so we keep version 3.4.x around for a while.
+(define-public python-nltk-3.4
+  (package
+    (inherit python-nltk)
+    (name "python-nltk")
+    (version "3.4.5")
+    (source
+     (origin
+       (method git-fetch)
+       (uri
+        (git-reference
+         (url "https://github.com/nltk/nltk")
+         (commit version)))
+       (file-name
+        (git-file-name name version))
+       (sha256
+        (base32 "1zh8ryzr203zq53nf1wb19gf3bd5y1nd7any56a7vxw4d7hq35nn"))))))
+
 (define-public python2-nltk
   (package-with-python2 python-nltk))