Enable E741 (ambiguous variable name) lint

babel/messages/pofile.py

@@ -451,10 +451,10 @@ def normalize(string: str, prefix: str = '', width: int = 76) -> str:
                     buf = []
                     size = 2
                     while chunks:
-                        l = len(escape(chunks[-1])) - 2 + prefixlen
-                        if size + l < width:
+                        length = len(escape(chunks[-1])) - 2 + prefixlen
+                        if size + length < width:
                             buf.append(chunks.pop())
-                            size += l
+                            size += length
                         else:
                             if not buf:
                                 # handle long chunks by putting them on a

babel/plural.py

@@ -521,7 +521,7 @@ def value(self):
 
 def _binary_compiler(tmpl):
     """Compiler factory for the `_Compiler`."""
-    return lambda self, l, r: tmpl % (self.compile(l), self.compile(r))
+    return lambda self, left, right: tmpl % (self.compile(left), self.compile(right))
 
 
 def _unary_compiler(tmpl):

pyproject.toml

@@ -12,7 +12,6 @@ select = [
 ignore = [
     "C901",  # Complexity
     "E501",  # Line length
-    "E741",  # Ambiguous variable name
 ]
 extend-exclude = [
     "tests/messages/data/project",

tests/test_core.py

@@ -96,36 +96,36 @@ def test_negotiate_custom_separator(self):
         assert (de_DE.language, de_DE.territory) == ('de', 'DE')
 
     def test_parse(self):
-        l = Locale.parse('de-DE', sep='-')
-        assert l.display_name == 'Deutsch (Deutschland)'
+        locale = Locale.parse('de-DE', sep='-')
+        assert locale.display_name == 'Deutsch (Deutschland)'
 
-        de_DE = Locale.parse(l)
+        de_DE = Locale.parse(locale)
         assert (de_DE.language, de_DE.territory) == ('de', 'DE')
 
     def test_parse_likely_subtags(self):
-        l = Locale.parse('zh-TW', sep='-')
-        assert l.language == 'zh'
-        assert l.territory == 'TW'
-        assert l.script == 'Hant'
-
-        l = Locale.parse('zh_CN')
-        assert l.language == 'zh'
-        assert l.territory == 'CN'
-        assert l.script == 'Hans'
-
-        l = Locale.parse('zh_SG')
-        assert l.language == 'zh'
-        assert l.territory == 'SG'
-        assert l.script == 'Hans'
-
-        l = Locale.parse('und_AT')
-        assert l.language == 'de'
-        assert l.territory == 'AT'
-
-        l = Locale.parse('und_UK')
-        assert l.language == 'en'
-        assert l.territory == 'GB'
-        assert l.script is None
+        locale = Locale.parse('zh-TW', sep='-')
+        assert locale.language == 'zh'
+        assert locale.territory == 'TW'
+        assert locale.script == 'Hant'
+
+        locale = Locale.parse('zh_CN')
+        assert locale.language == 'zh'
+        assert locale.territory == 'CN'
+        assert locale.script == 'Hans'
+
+        locale = Locale.parse('zh_SG')
+        assert locale.language == 'zh'
+        assert locale.territory == 'SG'
+        assert locale.script == 'Hans'
+
+        locale = Locale.parse('und_AT')
+        assert locale.language == 'de'
+        assert locale.territory == 'AT'
+
+        locale = Locale.parse('und_UK')
+        assert locale.language == 'en'
+        assert locale.territory == 'GB'
+        assert locale.script is None
 
     def test_get_display_name(self):
         zh_CN = Locale('zh', 'CN', script='Hans')

tests/test_dates.py

@@ -216,17 +216,17 @@ def test_timezone_walltime_long(self, timezone_getter):
         assert dates.DateTimeFormat(t, locale='fr_FR')['vvvv'] == 'heure d’Europe centrale'
 
     def test_hour_formatting(self):
-        l = 'en_US'
+        locale = 'en_US'
         t = time(0, 0, 0)
-        assert dates.format_time(t, 'h a', locale=l) == '12 AM'
-        assert dates.format_time(t, 'H', locale=l) == '0'
-        assert dates.format_time(t, 'k', locale=l) == '24'
-        assert dates.format_time(t, 'K a', locale=l) == '0 AM'
+        assert dates.format_time(t, 'h a', locale=locale) == '12 AM'
+        assert dates.format_time(t, 'H', locale=locale) == '0'
+        assert dates.format_time(t, 'k', locale=locale) == '24'
+        assert dates.format_time(t, 'K a', locale=locale) == '0 AM'
         t = time(12, 0, 0)
-        assert dates.format_time(t, 'h a', locale=l) == '12 PM'
-        assert dates.format_time(t, 'H', locale=l) == '12'
-        assert dates.format_time(t, 'k', locale=l) == '12'
-        assert dates.format_time(t, 'K a', locale=l) == '0 PM'
+        assert dates.format_time(t, 'h a', locale=locale) == '12 PM'
+        assert dates.format_time(t, 'H', locale=locale) == '12'
+        assert dates.format_time(t, 'k', locale=locale) == '12'
+        assert dates.format_time(t, 'K a', locale=locale) == '0 PM'
 
 
 class FormatDateTestCase:

tests/test_localedata.py

@@ -70,8 +70,8 @@ def test_merge():
 
 
 def test_locale_identification():
-    for l in localedata.locale_identifiers():
-        assert localedata.exists(l)
+    for locale in localedata.locale_identifiers():
+        assert localedata.exists(locale)
 
 
 def test_unique_ids():
@@ -84,9 +84,9 @@ def test_unique_ids():
 
 
 def test_mixedcased_locale():
-    for l in localedata.locale_identifiers():
+    for locale in localedata.locale_identifiers():
         locale_id = ''.join([
-            methodcaller(random.choice(['lower', 'upper']))(c) for c in l])
+            methodcaller(random.choice(['lower', 'upper']))(c) for c in locale])
         assert localedata.exists(locale_id)