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Fix bug regarding multiline docstrings #1695

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merged 1 commit into from Mar 23, 2021
Merged

Fix bug regarding multiline docstrings #1695

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4 changes: 3 additions & 1 deletion isort/core.py
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Expand Up @@ -13,7 +13,8 @@

CIMPORT_IDENTIFIERS = ("cimport ", "cimport*", "from.cimport")
IMPORT_START_IDENTIFIERS = ("from ", "from.import", "import ", "import*") + CIMPORT_IDENTIFIERS
COMMENT_INDICATORS = ('"""', "'''", "'", '"', "#")
DOCSTRING_INDICATORS = ('"""', "'''")
COMMENT_INDICATORS = DOCSTRING_INDICATORS + ("'", '"', "#")
CODE_SORT_COMMENTS = (
"# isort: list",
"# isort: dict",
Expand Down Expand Up @@ -317,6 +318,7 @@ def process(
and not in_quote
and not import_section
and not line.lstrip().startswith(COMMENT_INDICATORS)
and not line.rstrip().endswith(DOCSTRING_INDICATORS)
):
import_section = line_separator.join(add_imports) + line_separator
if end_of_file and index != 0:
Expand Down
35 changes: 35 additions & 0 deletions tests/unit/test_isort.py
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Expand Up @@ -873,6 +873,41 @@ def test_add_imports() -> None:
" pass\n"
)

# On a file that has no pre-existing imports and a multiline docstring
test_input = (
'"""Module docstring\n\nWith a second line\n"""\n' "class MyClass(object):\n pass\n"
)
test_output = isort.code(code=test_input, add_imports=["from __future__ import print_function"])
assert test_output == (
'"""Module docstring\n'
"\n"
"With a second line\n"
'"""\n'
"from __future__ import print_function\n"
"\n"
"\n"
"class MyClass(object):\n"
" pass\n"
)

# On a file that has no pre-existing imports and a multiline docstring.
# In this example, the closing quotes for the docstring are on the final
# line rather than a separate one.
test_input = (
'"""Module docstring\n\nWith a second line"""\n' "class MyClass(object):\n pass\n"
)
test_output = isort.code(code=test_input, add_imports=["from __future__ import print_function"])
assert test_output == (
'"""Module docstring\n'
"\n"
'With a second line"""\n'
"from __future__ import print_function\n"
"\n"
"\n"
"class MyClass(object):\n"
" pass\n"
)

# On a file that has no pre-existing imports, and no doc-string
test_input = "class MyClass(object):\n pass\n"
test_output = isort.code(code=test_input, add_imports=["from __future__ import print_function"])
Expand Down