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GeezerVison is showing github.com — openapi-python-client/openapi_python_client/utils.py at main · barik94/openapi-python-client Expand file tree/ Copy pathutils.pyMore file actions 96 lines (65 loc) · 3.01 KB / Copy pathutils.pyFile metadata and controls96 lines (65 loc) · 3.01 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 import builtins import re from keyword import iskeyword from typing import Any, List DELIMITERS = r"\. _-" class PythonIdentifier(str): """A snake_case string which has been validated / transformed into a valid identifier for Python""" def __new__(cls, value: str, prefix: str) -> "PythonIdentifier": new_value = fix_reserved_words(snake_case(sanitize(value))) if not new_value.isidentifier(): new_value = f"{prefix}{new_value}" return str.__new__(cls, new_value) def __deepcopy__(self, _: Any) -> "PythonIdentifier": return self class ClassName(str): """A PascalCase string which has been validated / transformed into a valid class name for Python""" def __new__(cls, value: str, prefix: str) -> "ClassName": new_value = fix_reserved_words(pascal_case(sanitize(value))) if not new_value.isidentifier(): value = f"{prefix}{new_value}" new_value = fix_reserved_words(pascal_case(sanitize(value))) return str.__new__(cls, new_value) def __deepcopy__(self, _: Any) -> "ClassName": return self def sanitize(value: str) -> str: """Removes every character that isn't 0-9, A-Z, a-z, or a known delimiter""" return re.sub(rf"[^\w{DELIMITERS}]+", "", value) def split_words(value: str) -> List[str]: """Split a string on words and known delimiters""" # We can't guess words if there is no capital letter if any(c.isupper() for c in value): value = " ".join(re.split("([A-Z]?[a-z]+)", value)) return re.findall(rf"[^{DELIMITERS}]+", value) RESERVED_WORDS = (set(dir(builtins)) | {"self", "true", "false", "datetime"}) - {"type", "id"} def fix_reserved_words(value: str) -> str: """ Using reserved Python words as identifiers in generated code causes problems, so this function renames them. Args: value: The identifier to-be that should be renamed if it's a reserved word. Returns: `value` suffixed with `_` if it was a reserved word. """ if value in RESERVED_WORDS or iskeyword(value): return f"{value}_" return value def snake_case(value: str) -> str: """Converts to snake_case""" words = split_words(sanitize(value)) return "_".join(words).lower() def pascal_case(value: str) -> str: """Converts to PascalCase""" words = split_words(sanitize(value)) capitalized_words = (word.capitalize() if not word.isupper() else word for word in words) return "".join(capitalized_words) def kebab_case(value: str) -> str: """Converts to kebab-case""" words = split_words(sanitize(value)) return "-".join(words).lower() def remove_string_escapes(value: str) -> str: """Used when parsing string-literal defaults to prevent escaping the string to write arbitrary Python **REMOVING OR CHANGING THE USAGE OF THIS FUNCTION HAS SECURITY IMPLICATIONS** See Also: - https://github.com/openapi-generators/openapi-python-client/security/advisories/GHSA-9x4c-63pf-525f """ return value.replace('"', r"\"") |
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