feat: add module for custom exceptions

src/poetry_plugin_dotenv/dotenv/parsers.py

@@ -10,6 +10,8 @@
 from typing import NamedTuple
 from typing import TYPE_CHECKING
 
+from poetry_plugin_dotenv.exceptions import PoetryPluginDotenvPatternError
+
 
 if TYPE_CHECKING:  # pragma: no cover
     from collections.abc import Iterator
@@ -31,10 +33,6 @@ class Binding(NamedTuple):
     error: bool
 
 
-class DotenvParseError(Exception):
-    """Exception for dotenv parse errors."""
-
-
 def make_regex(string: str, extra_flags: int = 0) -> re.Pattern[str]:
     """Construct a regex expression."""
 
@@ -128,7 +126,7 @@ def read_regex(self, regex: re.Pattern[str]) -> tuple[str, ...]:
 
         if match is None:
             msg = "Pattern not found."
-            raise DotenvParseError(msg)
+            raise PoetryPluginDotenvPatternError(msg)
 
         # fmt: off
         matched = self.string[match.start(): match.end()]
@@ -230,7 +228,7 @@ def parse_binding(reader: Reader) -> Binding:
             error=False,
         )
 
-    except DotenvParseError:
+    except PoetryPluginDotenvPatternError:
         reader.read_regex(_rest_of_line)
         return Binding(
             key=None,

src/poetry_plugin_dotenv/exceptions.py

@@ -0,0 +1,11 @@
+"""Module defines custom exceptions that are used across plugin."""
+
+from __future__ import annotations
+
+
+class PoetryPluginDotenvError(Exception):
+    """Base exception."""
+
+
+class PoetryPluginDotenvPatternError(PoetryPluginDotenvError):
+    """Exception raised when a dotenv pattern is not valid or not found."""