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prettytoml: Catch StopIteration in AbstractTable._enumerate_items

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This makes PEP 479 enabled Pythons (such as 3.7) work again.

Otherwise you get:

    RuntimeError: generator raised StopIteration

Fixes https://github.com/pypa/pipenv/issues/2426
This commit is contained in:
Miro Hrončok
2018-06-26 23:16:16 +02:00
parent 951e495489
commit d14df0c73c
2 changed files with 33 additions and 0 deletions
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news/2426.vendor
+1
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@@ -0,0 +1 @@
Add patch to ``prettytoml`` to support Python 3.7.
tasks/vendoring/patches/patched/prettytoml-python37.patch
+32
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@@ -0,0 +1,32 @@
From c44f2126fb5c75a5f5afd9d320c9f6cfc4ce3384 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Miro=20Hron=C4=8Dok?= <miro@hroncok.cz>
Date: Tue, 26 Jun 2018 21:02:45 +0200
Subject: [PATCH] Catch StopIteration in AbstractTable._enumerate_items
This makes PEP 479 enabled Pythons (such as 3.7) work again.
Otherwise you get:
RuntimeError: generator raised StopIteration
Fixes https://github.com/pypa/pipenv/issues/2426
---
pipenv/patched/prettytoml/elements/abstracttable.py | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/pipenv/patched/prettytoml/elements/abstracttable.py b/pipenv/patched/prettytoml/elements/abstracttable.py
index 59fd574..627da0e 100644
--- a/pipenv/patched/prettytoml/elements/abstracttable.py
+++ b/pipenv/patched/prettytoml/elements/abstracttable.py
@@ -19,7 +19,10 @@ def _enumerate_items(self):
"""
non_metadata = self._enumerate_non_metadata_sub_elements()
while True:
- yield next(non_metadata), next(non_metadata)
+ try:
+ yield next(non_metadata), next(non_metadata)
+ except StopIteration:
+ return
def items(self):
for (key_i, key), (value_i, value) in self._enumerate_items():