-
-
Notifications
You must be signed in to change notification settings - Fork 45
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Relax restrictions about backslashes in pep701 f-strings
- Loading branch information
Showing
5 changed files
with
138 additions
and
45 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file was deleted.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| import ast | ||
| import sys | ||
|
|
||
| import pytest | ||
|
|
||
| from python_minifier import unparse | ||
| from python_minifier.ast_compare import compare_ast | ||
|
|
||
|
|
||
| @pytest.mark.parametrize('statement', [ | ||
| 'f"{1=!r:.4}"', | ||
| 'f"{1=:.4}"', | ||
| 'f"{1=!s:.4}"', | ||
| 'f"{1=:.4}"', | ||
| 'f"{1}"', | ||
| 'f"{1=}"', | ||
| 'f"{1=!s}"', | ||
| 'f"{1=!a}"' | ||
| ]) | ||
| def test_fstring_statement(statement): | ||
| if sys.version_info < (3, 8): | ||
| pytest.skip('f-string debug specifier added in python 3.8') | ||
|
|
||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| def test_pep0701(): | ||
| if sys.version_info < (3, 12): | ||
| pytest.skip('f-string syntax is bonkers before python 3.12') | ||
|
|
||
| statement = 'f"{f"{f"{f"{"hello"}"}"}"}"' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = 'f"This is the playlist: {", ".join([])}"' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = 'f"{f"{f"{f"{f"{f"{1+1}"}"}"}"}"}"' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = """ | ||
| f"This is the playlist: {", ".join([ | ||
| 'Take me back to Eden', # My, my, those eyes like fire | ||
| 'Alkaline', # Not acid nor alkaline | ||
| 'Ascensionism' # Take to the broken skies at last | ||
| ])}" | ||
| """ | ||
| assert unparse(ast.parse(statement)) == 'f"This is the playlist: {", ".join(["Take me back to Eden","Alkaline","Ascensionism"])}"' | ||
|
|
||
| statement = '''print(f"This is the playlist: {"\N{BLACK HEART SUIT}".join(songs)}")''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = '''f"Magic wand: {bag["wand"]}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = """ | ||
| f'''A complex trick: { | ||
| bag['bag'] # recursive bags! | ||
| }''' | ||
| """ | ||
| assert unparse(ast.parse(statement)) == 'f"A complex trick: {bag["bag"]}"' | ||
|
|
||
| statement = '''f"These are the things: {", ".join(things)}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = '''f"{source.removesuffix(".py")}.c: $(srcdir)/{source}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = '''f"{f"{f"infinite"}"}"+' '+f"{f"nesting!!!"}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = '''f"{"\\n".join(a)}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = '''f"{f"{f"{f"{f"{f"{1+1}"}"}"}"}"}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| statement = '''f"{"":*^{1:{1}}}"''' | ||
| assert unparse(ast.parse(statement)) == statement | ||
|
|
||
| #statement = '''f"{"":*^{1:{1:{1}}}}"''' | ||
| #assert unparse(ast.parse(statement)) == statement | ||
| # SyntaxError: f-string: expressions nested too deeply | ||
|
|
||
| statement = '''f"___{ | ||
| x | ||
| }___"''' | ||
| assert unparse(ast.parse(statement)) == '''f"___{x}___"''' | ||
|
|
||
| statement = '''f"___{( | ||
| x | ||
| )}___"''' | ||
| assert unparse(ast.parse(statement)) == '''f"___{x}___"''' | ||
|
|
||
| def test_fstring_empty_str(): | ||
| if sys.version_info < (3, 6): | ||
| pytest.skip('f-string expressions not allowed in python < 3.6') | ||
|
|
||
| source = r''' | ||
| f"""\ | ||
| {fg_br}""" | ||
| ''' | ||
|
|
||
| print(source) | ||
| expected_ast = ast.parse(source) | ||
| actual_ast = unparse(expected_ast) | ||
| compare_ast(expected_ast, ast.parse(actual_ast)) |