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245 lines
8.8 KiB
Python
245 lines
8.8 KiB
Python
"""Tests to cover the Tools/i18n package"""
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import os
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import sys
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import unittest
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from textwrap import dedent
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from test.support.script_helper import assert_python_ok
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from test.test_tools import skip_if_missing, toolsdir
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from test.support import temp_cwd, temp_dir
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skip_if_missing()
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class Test_pygettext(unittest.TestCase):
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"""Tests for the pygettext.py tool"""
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script = os.path.join(toolsdir,'i18n', 'pygettext.py')
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def get_header(self, data):
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""" utility: return the header of a .po file as a dictionary """
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headers = {}
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for line in data.split('\n'):
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if not line or line.startswith(('#', 'msgid','msgstr')):
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continue
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line = line.strip('"')
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key, val = line.split(':',1)
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headers[key] = val.strip()
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return headers
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def get_msgids(self, data):
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""" utility: return all msgids in .po file as a list of strings """
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msgids = []
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reading_msgid = False
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cur_msgid = []
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for line in data.split('\n'):
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if reading_msgid:
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if line.startswith('"'):
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cur_msgid.append(line.strip('"'))
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else:
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msgids.append('\n'.join(cur_msgid))
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cur_msgid = []
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reading_msgid = False
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continue
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if line.startswith('msgid '):
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line = line[len('msgid '):]
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cur_msgid.append(line.strip('"'))
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reading_msgid = True
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else:
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if reading_msgid:
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msgids.append('\n'.join(cur_msgid))
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return msgids
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def extract_docstrings_from_str(self, module_content):
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""" utility: return all msgids extracted from module_content """
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filename = 'test_docstrings.py'
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with temp_cwd(None) as cwd:
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with open(filename, 'w') as fp:
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fp.write(module_content)
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assert_python_ok(self.script, '-D', filename)
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with open('messages.pot') as fp:
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data = fp.read()
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return self.get_msgids(data)
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def test_header(self):
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"""Make sure the required fields are in the header, according to:
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http://www.gnu.org/software/gettext/manual/gettext.html#Header-Entry
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"""
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with temp_cwd(None) as cwd:
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assert_python_ok(self.script)
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with open('messages.pot') as fp:
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data = fp.read()
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header = self.get_header(data)
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self.assertIn("Project-Id-Version", header)
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self.assertIn("POT-Creation-Date", header)
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self.assertIn("PO-Revision-Date", header)
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self.assertIn("Last-Translator", header)
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self.assertIn("Language-Team", header)
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self.assertIn("MIME-Version", header)
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self.assertIn("Content-Type", header)
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self.assertIn("Content-Transfer-Encoding", header)
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self.assertIn("Generated-By", header)
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# not clear if these should be required in POT (template) files
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#self.assertIn("Report-Msgid-Bugs-To", header)
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#self.assertIn("Language", header)
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#"Plural-Forms" is optional
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@unittest.skipIf(sys.platform.startswith('aix'),
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'bpo-29972: broken test on AIX')
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def test_POT_Creation_Date(self):
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""" Match the date format from xgettext for POT-Creation-Date """
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from datetime import datetime
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with temp_cwd(None) as cwd:
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assert_python_ok(self.script)
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with open('messages.pot') as fp:
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data = fp.read()
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header = self.get_header(data)
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creationDate = header['POT-Creation-Date']
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# peel off the escaped newline at the end of string
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if creationDate.endswith('\\n'):
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creationDate = creationDate[:-len('\\n')]
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# This will raise if the date format does not exactly match.
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datetime.strptime(creationDate, '%Y-%m-%d %H:%M%z')
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def test_funcdocstring(self):
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for doc in ('"""doc"""', "r'''doc'''", "R'doc'", 'u"doc"'):
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with self.subTest(doc):
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo(bar):
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%s
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''' % doc))
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self.assertIn('doc', msgids)
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def test_funcdocstring_bytes(self):
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo(bar):
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b"""doc"""
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'''))
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self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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def test_funcdocstring_fstring(self):
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo(bar):
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f"""doc"""
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'''))
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self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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def test_classdocstring(self):
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for doc in ('"""doc"""', "r'''doc'''", "R'doc'", 'u"doc"'):
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with self.subTest(doc):
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msgids = self.extract_docstrings_from_str(dedent('''\
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class C:
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%s
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''' % doc))
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self.assertIn('doc', msgids)
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def test_classdocstring_bytes(self):
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msgids = self.extract_docstrings_from_str(dedent('''\
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class C:
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b"""doc"""
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'''))
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self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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def test_classdocstring_fstring(self):
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msgids = self.extract_docstrings_from_str(dedent('''\
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class C:
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f"""doc"""
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'''))
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self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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def test_msgid(self):
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msgids = self.extract_docstrings_from_str(
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'''_("""doc""" r'str' u"ing")''')
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self.assertIn('docstring', msgids)
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def test_msgid_bytes(self):
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msgids = self.extract_docstrings_from_str('_(b"""doc""")')
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self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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def test_msgid_fstring(self):
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msgids = self.extract_docstrings_from_str('_(f"""doc""")')
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self.assertFalse([msgid for msgid in msgids if 'doc' in msgid])
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def test_funcdocstring_annotated_args(self):
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""" Test docstrings for functions with annotated args """
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo(bar: str):
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"""doc"""
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'''))
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self.assertIn('doc', msgids)
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def test_funcdocstring_annotated_return(self):
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""" Test docstrings for functions with annotated return type """
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo(bar) -> str:
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"""doc"""
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'''))
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self.assertIn('doc', msgids)
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def test_funcdocstring_defvalue_args(self):
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""" Test docstring for functions with default arg values """
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo(bar=()):
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"""doc"""
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'''))
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self.assertIn('doc', msgids)
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def test_funcdocstring_multiple_funcs(self):
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""" Test docstring extraction for multiple functions combining
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annotated args, annotated return types and default arg values
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"""
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msgids = self.extract_docstrings_from_str(dedent('''\
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def foo1(bar: tuple=()) -> str:
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"""doc1"""
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def foo2(bar: List[1:2]) -> (lambda x: x):
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"""doc2"""
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def foo3(bar: 'func'=lambda x: x) -> {1: 2}:
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"""doc3"""
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'''))
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self.assertIn('doc1', msgids)
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self.assertIn('doc2', msgids)
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self.assertIn('doc3', msgids)
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def test_classdocstring_early_colon(self):
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""" Test docstring extraction for a class with colons occurring within
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the parentheses.
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"""
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msgids = self.extract_docstrings_from_str(dedent('''\
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class D(L[1:2], F({1: 2}), metaclass=M(lambda x: x)):
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"""doc"""
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'''))
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self.assertIn('doc', msgids)
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def test_files_list(self):
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"""Make sure the directories are inspected for source files
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bpo-31920
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"""
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text1 = 'Text to translate1'
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text2 = 'Text to translate2'
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text3 = 'Text to ignore'
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with temp_cwd(None), temp_dir(None) as sdir:
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os.mkdir(os.path.join(sdir, 'pypkg'))
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with open(os.path.join(sdir, 'pypkg', 'pymod.py'), 'w') as sfile:
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sfile.write(f'_({text1!r})')
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os.mkdir(os.path.join(sdir, 'pkg.py'))
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with open(os.path.join(sdir, 'pkg.py', 'pymod2.py'), 'w') as sfile:
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sfile.write(f'_({text2!r})')
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os.mkdir(os.path.join(sdir, 'CVS'))
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with open(os.path.join(sdir, 'CVS', 'pymod3.py'), 'w') as sfile:
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sfile.write(f'_({text3!r})')
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assert_python_ok(self.script, sdir)
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with open('messages.pot') as fp:
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data = fp.read()
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self.assertIn(f'msgid "{text1}"', data)
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self.assertIn(f'msgid "{text2}"', data)
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self.assertNotIn(text3, data)
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