edge case for 4590.17.26

5 files changed, 13 insertions, 7 deletions

diff --git a/CHANGES b/CHANGES
index 6398bcc..d8e0085 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,6 @@
+[0, 17, 26]: 2023-05-09
+  - Fix for error on edge cage for issue 459
+
 [0, 17, 25]: 2023-05-09
   - fix for regression while dumping wrapped strings with too many backslashes removed
     (issue 459, reported by `Lele Gaifax <https://sourceforge.net/u/lele/profile/>`__)
diff --git a/README.rst b/README.rst
index 81631c7..2cb1c12 100644
--- a/README.rst
+++ b/README.rst
@@ -4,7 +4,7 @@ ruamel.yaml
 
 ``ruamel.yaml`` is a YAML 1.2 loader/dumper package for Python.
 
-:version:       0.17.25
+:version:       0.17.26
 :updated:       2023-05-09
 :documentation: http://yaml.readthedocs.io
 :repository:    https://sourceforge.net/projects/ruamel-yaml/
@@ -61,6 +61,9 @@ ChangeLog
 
 .. should insert NEXT: at the beginning of line for next key (with empty line)
 
+0.17.26 (2023-05-09):
+  - Fix for error on edge cage for issue 459
+
 0.17.25 (2023-05-09):
   - fix for regression while dumping wrapped strings with too many backslashes removed
     (issue 459, reported by `Lele Gaifax <https://sourceforge.net/u/lele/profile/>`__)
diff --git a/__init__.py b/__init__.py
index c676d16..210337f 100644
--- a/__init__.py
+++ b/__init__.py
@@ -5,9 +5,9 @@ if False:  # MYPY
 
 _package_data = dict(
     full_package_name='ruamel.yaml',
-    version_info=(0, 17, 25),
-    __version__='0.17.25',
-    version_timestamp='2023-05-09 19:56:50',
+    version_info=(0, 17, 26),
+    __version__='0.17.26',
+    version_timestamp='2023-05-09 21:59:45',
     author='Anthon van der Neut',
     author_email='a.van.der.neut@ruamel.eu',
     description='ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order',  # NOQA
diff --git a/_doc/_static/pypi.svg b/_doc/_static/pypi.svg
index b5c8870..0790f1e 100644
--- a/_doc/_static/pypi.svg
+++ b/_doc/_static/pypi.svg
@@ -1 +1 @@
-<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="86" height="20"><linearGradient id="b" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="a"><rect width="86" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#a)"><path fill="#555" d="M0 0h33v20H0z"/><path fill="#007ec6" d="M33 0h53v20H33z"/><path fill="url(#b)" d="M0 0h86v20H0z"/></g><g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="110"> <text x="175" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="230">pypi</text><text x="175" y="140" transform="scale(.1)" textLength="230">pypi</text><text x="585" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">0.17.25</text><text x="585" y="140" transform="scale(.1)" textLength="430">0.17.25</text></g> </svg>
+<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="86" height="20"><linearGradient id="b" x2="0" y2="100%"><stop offset="0" stop-color="#bbb" stop-opacity=".1"/><stop offset="1" stop-opacity=".1"/></linearGradient><clipPath id="a"><rect width="86" height="20" rx="3" fill="#fff"/></clipPath><g clip-path="url(#a)"><path fill="#555" d="M0 0h33v20H0z"/><path fill="#007ec6" d="M33 0h53v20H33z"/><path fill="url(#b)" d="M0 0h86v20H0z"/></g><g fill="#fff" text-anchor="middle" font-family="DejaVu Sans,Verdana,Geneva,sans-serif" font-size="110"> <text x="175" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="230">pypi</text><text x="175" y="140" transform="scale(.1)" textLength="230">pypi</text><text x="585" y="150" fill="#010101" fill-opacity=".3" transform="scale(.1)" textLength="430">0.17.26</text><text x="585" y="140" transform="scale(.1)" textLength="430">0.17.26</text></g> </svg>
diff --git a/emitter.py b/emitter.py
index d882fdc..94986fe 100644
--- a/emitter.py
+++ b/emitter.py
@@ -1402,8 +1402,8 @@ class Emitter:
                 # data = text[start:end] + u'\\'  # <<< replaced with following six lines
                 need_backquote = True
                 if len(text) > end:
-                    space_pos = text.index(' ', end)
                     try:
+                        space_pos = text.index(' ', end)
                         if (
                             '"' not in text[end:space_pos]
                             and "'" not in text[end:space_pos]
@@ -1411,7 +1411,7 @@ class Emitter:
                             and text[end - 1 : end + 1] != '  '
                         ):
                             need_backquote = False
-                    except IndexError:
+                    except (ValueError, IndexError):
                         pass
                 data = text[start:end] + ('\\' if need_backquote else '')
                 if start < end: