summaryrefslogtreecommitdiff
path: root/venv/lib/python3.11/site-packages/dotenv/variables.py
diff options
context:
space:
mode:
Diffstat (limited to 'venv/lib/python3.11/site-packages/dotenv/variables.py')
-rw-r--r--venv/lib/python3.11/site-packages/dotenv/variables.py86
1 files changed, 0 insertions, 86 deletions
diff --git a/venv/lib/python3.11/site-packages/dotenv/variables.py b/venv/lib/python3.11/site-packages/dotenv/variables.py
deleted file mode 100644
index 667f2f2..0000000
--- a/venv/lib/python3.11/site-packages/dotenv/variables.py
+++ /dev/null
@@ -1,86 +0,0 @@
-import re
-from abc import ABCMeta, abstractmethod
-from typing import Iterator, Mapping, Optional, Pattern
-
-_posix_variable: Pattern[str] = re.compile(
- r"""
- \$\{
- (?P<name>[^\}:]*)
- (?::-
- (?P<default>[^\}]*)
- )?
- \}
- """,
- re.VERBOSE,
-)
-
-
-class Atom(metaclass=ABCMeta):
- def __ne__(self, other: object) -> bool:
- result = self.__eq__(other)
- if result is NotImplemented:
- return NotImplemented
- return not result
-
- @abstractmethod
- def resolve(self, env: Mapping[str, Optional[str]]) -> str: ...
-
-
-class Literal(Atom):
- def __init__(self, value: str) -> None:
- self.value = value
-
- def __repr__(self) -> str:
- return f"Literal(value={self.value})"
-
- def __eq__(self, other: object) -> bool:
- if not isinstance(other, self.__class__):
- return NotImplemented
- return self.value == other.value
-
- def __hash__(self) -> int:
- return hash((self.__class__, self.value))
-
- def resolve(self, env: Mapping[str, Optional[str]]) -> str:
- return self.value
-
-
-class Variable(Atom):
- def __init__(self, name: str, default: Optional[str]) -> None:
- self.name = name
- self.default = default
-
- def __repr__(self) -> str:
- return f"Variable(name={self.name}, default={self.default})"
-
- def __eq__(self, other: object) -> bool:
- if not isinstance(other, self.__class__):
- return NotImplemented
- return (self.name, self.default) == (other.name, other.default)
-
- def __hash__(self) -> int:
- return hash((self.__class__, self.name, self.default))
-
- def resolve(self, env: Mapping[str, Optional[str]]) -> str:
- default = self.default if self.default is not None else ""
- result = env.get(self.name, default)
- return result if result is not None else ""
-
-
-def parse_variables(value: str) -> Iterator[Atom]:
- cursor = 0
-
- for match in _posix_variable.finditer(value):
- (start, end) = match.span()
- name = match["name"]
- default = match["default"]
-
- if start > cursor:
- yield Literal(value=value[cursor:start])
-
- yield Variable(name=name, default=default)
- cursor = end
-
- length = len(value)
- if cursor < length:
- yield Literal(value=value[cursor:length])