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a94a0555d9
Highlight f-string replacement fields, including - Comments - Debugging flags - Conversion fields - Format specifications - Delimiters Syntax inside fields will be addressed in a separate commit. related: #10734 related: #14033 closes: #17784 Signed-off-by: Rob B <github@0x7e.net> Signed-off-by: Zvezdan Petkovic <zpetkovic@acm.org> Signed-off-by: Christian Brabandt <cb@256bit.org>
195 lines
7.4 KiB
Python
195 lines
7.4 KiB
Python
# String and Bytes literals
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# https://docs.python.org/3/reference/lexical_analysis.html#string-and-bytes-literals
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# Strings
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test = 'String with escapes \' and \" and \t'
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test = "String with escapes \040 and \xFF"
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test = 'String with escapes \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = "String with escaped \\ backslash and ignored \
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newline"
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test = '''String with quotes ' and "
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and escapes \t and \040 and \xFF
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and escapes \u00A1 and \U00010605'''
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test = """String with quotes ' and "
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and escapes \t and \040 and \xFF
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and escapes \u00A1 and \U00010605"""
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# Raw strings
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test = r'Raw string with literal \' and \" and \t'
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test = R"Raw string with literal \040 and \xFF"
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test = r'Raw string with literal \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = R"Raw string with literal \\ backslashes and literal \
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newline"
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test = r'''Raw string with quotes ' and "
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and literal \t and \040 and \xFF
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and literal \u00A1 and \U00010605'''
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test = R"""Raw string with quotes ' and "
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and literal \t and \040 and \xFF
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and literal \u00A1 and \U00010605"""
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# Unicode literals: Prefix is allowed but ignored (https://peps.python.org/pep-0414)
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test = u'String with escapes \' and \" and \t'
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test = U"String with escapes \040 and \xFF"
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test = u'String with escapes \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = U"String with escaped \\ backslash and ignored \
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newline"
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test = u'''String with quotes ' and "
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and escapes \t and \040 and \xFF
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and escapes \u00A1 and \U00010605'''
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test = U"""String with quotes ' and "
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and escapes \t and \040 and \xFF
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and escapes \u00A1 and \U00010605"""
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# Raw Unicode literals are not allowed
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test = ur'Invalid string with \' and \" and \t'
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test = uR"Invalid string with \040 and \xFF"
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test = Ur'Invalid string with \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = UR"Invalid string with \\ backslashes and literal \
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newline"
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test = ru'Invalid string with \' and \" and \t'
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test = rU"Invalid string with \040 and \xFF"
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test = Ru'Invalid string with \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = RU"Invalid string with \\ backslashes and literal \
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newline"
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test = ur'''Invalid string with ' and "
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and \t and \040 and \xFF
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and \u00A1 and \U00010605'''
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test = RU"""Invalid string with ' and "
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and \t and \040 and \xFF
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and \u00A1 and \U00010605"""
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# Formatted string literals (f-strings)
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# https://docs.python.org/3/reference/lexical_analysis.html#f-strings
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test = f'F-string with escapes \' and \" and \t and fields {foo} and {bar}'
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test = F"F-string with escapes \040 and \xFF and fields {foo} and {bar}"
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test = f'F-string with escapes \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK} and fields {foo} and {bar}'
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test = F"F-string with literal {{field}} and fields {foo} and {bar}"
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test = f'''F-string with quotes ' and "
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and escapes \t and \040 and \xFF
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and escapes \u00A1 and \U00010605
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and fields {1}, {2} and {1
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+
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2}'''
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test = F"""F-string with quotes ' and "
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and escapes \t and \040 and \xFF
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and escapes \u00A1 and \U00010605
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and fields {1}, {2} and {1
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+
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2}"""
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# Raw formatted string literals
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test = fr'Raw f-string with literal \' and \" and \t and fields {foo} and {bar}'
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test = fR"Raw f-string with literal \040 and \xFF and fields {foo} and {bar}"
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test = Fr'Raw f-string with literal \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK} and fields {foo} and {bar}'
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test = FR"Raw f-string with literal {{field}} and fields {foo} and {bar}"
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test = rf'Raw f-string with literal \' and \" and \t and fields {foo} and {bar}'
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test = rF"Raw f-string with literal \040 and \xFF and fields {foo} and {bar}"
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test = Rf'Raw f-string with literal \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK} and fields {foo} and {bar}'
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test = RF"Raw f-string with literal {{field}} and fields {foo} and {bar}"
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test = fr'''Raw f-string with quotes ' and "
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and literal \t and \040 and \xFF
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and literal \u00A1 and \U00010605
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and fields {1}, {2} and {1
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+
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2}'''
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test = RF"""Raw f-string with quotes ' and "
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and literal \t and \040 and \xFF
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and literal \u00A1 and \U00010605
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and fields {1}, {2} and {1
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+
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2}"""
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# F-string replacement fields
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test = f"String is {
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"one plus "
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"two plus "
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"three"}"
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test = f"Number is {
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1 +
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2 +
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3}"
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test = f"abc{a # This is a comment }
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+ 1}"
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test = f"def{a # So is this :
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+ 2}"
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test = f"ghi{a # And this "
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+ 3}"
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test = f"He said his name is {name!r}."
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test = f"He said his name is {repr(name)}."
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test = f"result: {value:{width}}"
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test = f"result: {value:{width}.{precision}}"
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test = f"result: {value:{width:d}.{precision!s}}"
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test = f"result: {value:{options}{width}{grouping}{precision}{type}}"
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test = f"{number:#0x}"
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test = f"{number:+#0x}"
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test = f"{number:<+#0x}"
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test = f"{number: <+#0x}"
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test = f"{number:<#0x}"
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test = f"{number: <#0x}"
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test = f"{string=}"
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test = f"{string=!r}"
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test = f"{string=:20}"
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test = f"{string=!r:20}"
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test = f"{string = }"
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test = f"{string = !r}"
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test = f"{string = :20}"
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test = f"{string = !r:20}"
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test = f"abc {a["x"]} def"
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test = f"List contains:\n{"\n".join(a)}"
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test = f"Today's date is {datetime.now()}"
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test = f"Today's formatted date is {datetime.now():%Y-%m-%d %H:%M:%S}"
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test = f"Date is {datetime.datetime(2010, 7, 4, 12, 15, 58)}"
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test = f"Formatted date is {datetime.datetime(2010, 7, 4, 12, 15, 58):%Y-%m-%d %H:%M:%S}"
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test = f"Lambda returns {(lambda x: x**2)}"
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test = f"Zero padded lambda returns {(lambda x: x**2):09}"
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test = f"Space padded lambda returns {(lambda x: x**2):{width}}"
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test = f"List copy is {items[:]}"
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test = f"List slice is {items[1:]}"
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test = f"List slice is {items[:9]}"
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test = f"List elements are {items[:2:]}"
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test = f"Padded list copy is {items[:]:99}"
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test = f"Left-aligned list slice is {items[1:]:<99}"
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test = f"Right aligned list slice is {items[:9]:>99}"
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test = f"Center-aligned list elements are {items[:2:]:^99}"
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test = f"Expression is {x == 1}"
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test = f"Expression is {x != 1}"
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test = f"Expression is {(x := 1)}"
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test = f"Debug expression is {x == 1=}"
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test = f"Debug expression is {x != 1=}"
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test = f"Debug expression is {(x := 1)=}"
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test = f"List comprehension returns { [x**2 for x in range(10)] }"
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test = f"Padded list comprehension returns { [x**2 for x in range(10)] :99}"
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test = f"Dict comprehension returns { {x: x**2 for x in range(10)} }"
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test = f"Padded dict comprehension returns { {x: x**2 for x in range(10)} :99}"
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# Bytes
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test = b'Bytes with escapes \' and \" and \t'
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test = B"Bytes with escapes \040 and \xFF"
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test = b'Bytes with literal \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = B"Bytes with escaped \\ backslash and ignored \
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newline"
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test = b'''Bytes with quotes ' and "
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and escapes \t and \040 and \xFF
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and literal \u00A1 and \U00010605'''
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test = B"""Bytes with quotes ' and "
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and escapes \t and \040 and \xFF
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and literal \u00A1 and \U00010605"""
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# Raw bytes
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test = br'Raw bytes with literal \' and \" and \t'
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test = bR"Raw bytes with literal \040 and \xFF"
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test = Br'Raw bytes with literal \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = BR"Raw bytes with literal \\ backslashes and literal \
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newline"
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test = rb'Raw bytes with literal \' and \" and \t'
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test = rB"Raw bytes with literal \040 and \xFF"
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test = Rb'Raw bytes with literal \u00A1 and \U00010605 and \N{INVERTED EXCLAMATION MARK}'
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test = RB"Raw bytes with literal \\ backslashes and literal \
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newline"
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test = br'''Raw bytes with quotes ' and "
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and literal \t and \040 and \xFF
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and literal \u00A1 and \U00010605'''
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test = RB"""Raw bytes with quotes ' and "
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and literal \t and \040 and \xFF
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and literal \u00A1 and \U00010605"""
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