File loguru-exception-formatting-py39.patch of Package python-loguru

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File loguru-exception-formatting-py39.patch of Package python-loguru (Revision fa4f00e66e00c3069daef36bdb1b5a76)

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From 19f518c5f1f355703ffc4ee62f0e1e397605863e Mon Sep 17 00:00:00 2001
From: Delgan <delgan.py@gmail.com>
Date: Sat, 13 Mar 2021 12:47:47 +0100
Subject: [PATCH] Fix unit tests for exception formatting for Python 3.9

Formatting changed, notably because absolute instead of relative paths
are used in traceback: https://bugs.python.org/issue20443
---
 .../output/diagnose/indentation_error.txt     |  1 -
 .../output/diagnose/syntax_error.txt          |  2 +-
 .../others/syntaxerror_without_traceback.txt  |  8 ++---
 .../output/ownership/syntaxerror.txt          | 10 +++---
 tests/test_exceptions_formatting.py           | 31 ++++++++++++++++++-
 5 files changed, 40 insertions(+), 12 deletions(-)

diff --git a/tests/exceptions/output/diagnose/indentation_error.txt b/tests/exceptions/output/diagnose/indentation_error.txt
index b2faa4d..d5b950a 100644
--- a/tests/exceptions/output/diagnose/indentation_error.txt
+++ b/tests/exceptions/output/diagnose/indentation_error.txt
@@ -7,6 +7,5 @@
 
   File "<string>", line 4
     print("foobar")  #intentional faulty indentation here.
-    ^
 
 [31m[1mIndentationError[0m:[1m unexpected indent[0m
diff --git a/tests/exceptions/output/diagnose/syntax_error.txt b/tests/exceptions/output/diagnose/syntax_error.txt
index 6e1f612..c8b0761 100644
--- a/tests/exceptions/output/diagnose/syntax_error.txt
+++ b/tests/exceptions/output/diagnose/syntax_error.txt
@@ -7,6 +7,6 @@
 
   File "<string>", line 4
     b = 7 *
-          ^
+           ^
 
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
diff --git a/tests/exceptions/output/others/syntaxerror_without_traceback.txt b/tests/exceptions/output/others/syntaxerror_without_traceback.txt
index a4747ee..d798ba1 100644
--- a/tests/exceptions/output/others/syntaxerror_without_traceback.txt
+++ b/tests/exceptions/output/others/syntaxerror_without_traceback.txt
@@ -1,20 +1,20 @@
 
   File "<string>", line 1
     foo =
-        ^
+         ^
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
   File "<string>", line 1
     foo =
-        ^
+         ^
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
   File "<string>", line 1
     foo =
-        ^
+         ^
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
   File "<string>", line 1
     foo =
-        ^
+         ^
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
diff --git a/tests/exceptions/output/ownership/syntaxerror.txt b/tests/exceptions/output/ownership/syntaxerror.txt
index 1dc88ef..00763f6 100644
--- a/tests/exceptions/output/ownership/syntaxerror.txt
+++ b/tests/exceptions/output/ownership/syntaxerror.txt
@@ -13,7 +13,7 @@
     exec("foo =")
   File "<string>", line 1
     foo =
-        ^
+         ^
 
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
@@ -27,7 +27,7 @@
     exec("foo =")
   File "<string>", line 1
     foo =
-        ^
+         ^
 
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
@@ -40,7 +40,7 @@
     exec("foo =")
   File "<string>", line 1
     foo =
-        ^
+         ^
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
 [33m[1mTraceback (most recent call last):[0m
@@ -50,7 +50,7 @@
     exec("foo =")
   File "<string>", line 1
     foo =
-        ^
+         ^
 [31m[1mSyntaxError[0m:[1m invalid syntax[0m
 
 Traceback (most recent call last):
@@ -60,5 +60,5 @@ Traceback (most recent call last):
     exec("foo =")
   File "<string>", line 1
     foo =
-        ^
+         ^
 SyntaxError: invalid syntax
diff --git a/tests/test_exceptions_formatting.py b/tests/test_exceptions_formatting.py
index 79c41f6..cad2dba 100644
--- a/tests/test_exceptions_formatting.py
+++ b/tests/test_exceptions_formatting.py
@@ -9,12 +9,41 @@
 
 def normalize(exception):
     """Normalize exception output for reproducible test cases"""
-    if os.name:
+    if os.name == "nt":
         exception = re.sub(
             r'File[^"]+"[^"]+\.py[^"]*"', lambda m: m.group().replace("\\", "/"), exception
         )
         exception = re.sub(r"(\r\n|\r|\n)", "\n", exception)
 
+    if sys.version_info >= (3, 9, 0):
+
+        def fix_filepath(match):
+            filepath = match.group(1)
+            pattern = (
+                r'((?:\x1b\[[0-9]*m)+)([^"]+?)((?:\x1b\[[0-9]*m)+)([^"]+?)((?:\x1b\[[0-9]*m)+)'
+            )
+            match = re.match(pattern, filepath)
+            start_directory = os.path.dirname(os.path.dirname(__file__))
+            if match:
+                groups = list(match.groups())
+                groups[1] = os.path.relpath(os.path.abspath(groups[1]), start_directory) + "/"
+                relpath = "".join(groups)
+            else:
+                relpath = os.path.relpath(os.path.abspath(filepath), start_directory)
+            return 'File "%s"' % relpath
+
+        exception = re.sub(
+            r'File "([^"]+\.py[^"]*)"',
+            fix_filepath,
+            exception,
+        )
+
+    if sys.version_info < (3, 9, 0):
+        if "SyntaxError" in exception:
+            exception = re.sub(r"(\n *)(\^ *\n)", r"\1 \2", exception)
+        elif "IndentationError" in exception:
+            exception = re.sub(r"\n *\^ *\n", "\n", exception)
+
     exception = re.sub(
         r'"[^"]*/somelib/__init__.py"', '"/usr/lib/python/somelib/__init__.py"', exception
     )

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File loguru-exception-formatting-py39.patch of Package python-loguru (Revision fa4f00e66e00c3069daef36bdb1b5a76)

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