diff options
-rw-r--r-- | src/pymdvar/pymdvar.py | 45 | ||||
-rw-r--r-- | tests/test_pymdvar.py | 10 |
2 files changed, 30 insertions, 25 deletions
diff --git a/src/pymdvar/pymdvar.py b/src/pymdvar/pymdvar.py index b6ea344..d81f785 100644 --- a/src/pymdvar/pymdvar.py +++ b/src/pymdvar/pymdvar.py @@ -1,44 +1,51 @@ from os import getenv +from re import Match +from typing import Any +from xml.etree.ElementTree import Element +from markdown import Markdown from markdown.extensions import Extension from markdown.inlinepatterns import Pattern -VARIABLE_RE = r'(\$\{)([a-zA-Z_]*)(\})' +VAR_RE: str = r'(\$\{)([a-zA-Z_]*)(\})' -class VariablePattern(Pattern): +class VarPattern(Pattern): # need to redefine as an extra attribute needs to be passed - def __init__(self, pattern, variables, enable_env, md=None): - self.variables = variables - self.enable_env = enable_env + def __init__(self, pattern: Any, + vars: dict[str, str], + enable_env: bool, + md: Markdown | None = None) -> None: + self.vars: dict[str, str] = vars + self.enable_env: bool = enable_env super().__init__(pattern, md) - def handleMatch(self, m): + def handleMatch(self, m: Match[str]) -> str | Element | None: # for some reason the group is offest by 1 - variable = m.group(3) - value = '' + var: str | Any = m.group(3) + value: str = '' - if variable in self.variables: - value = self.variables[variable] + if var in self.vars: + value = self.vars[var] else: if self.enable_env: - value = getenv(variable, '') + value = getenv(var, '') return value class VariableExtension(Extension): - def __init__(self, **kwargs): - self.config = { + def __init__(self, **kwargs: Any) -> None: + self.config: dict[str, list[Any | str]] = { 'enable_env': [False, 'Enable environment variables parsing.'], 'variables': [dict(), 'Dictionary holding variables to be used.'] } super().__init__(**kwargs) - def extendMarkdown(self, md): - variables = self.getConfig('variables', dict()) - enable_env = self.getConfig('enable_env', False) - variable_pattern = VariablePattern(VARIABLE_RE, variables, enable_env) - md.inlinePatterns.register(variable_pattern, 'variable', 175) + def extendMarkdown(self, md: Markdown) -> None: + vars: dict[str, str] | Any = self.getConfig('variables', dict()) + enable_env: bool = self.getConfig('enable_env', False) + var_pattern: VarPattern = VarPattern(VAR_RE, vars, enable_env) + md.inlinePatterns.register(var_pattern, 'variable', 175) -def makeExtension(*args, **kwargs): +def makeExtension(*args: Any, **kwargs: Any): return VariableExtension(*args, **kwargs) diff --git a/tests/test_pymdvar.py b/tests/test_pymdvar.py index 69ffe56..91a97d0 100644 --- a/tests/test_pymdvar.py +++ b/tests/test_pymdvar.py @@ -4,10 +4,8 @@ from pymdvar import VariableExtension def test_empty_input(): - in_str = '' - out_str = markdown(in_str, extensions=[VariableExtension()]) - print(in_str) - print(out_str) + in_str: str = '' + out_str: str = markdown(in_str, extensions=[VariableExtension()]) assert in_str == out_str @@ -20,7 +18,7 @@ def test_empty_input(): ('foo **$test}** bar', '<p>foo <strong>$test}</strong> bar</p>'), ]) def test_non_replacements(in_str, exp_str): - out_str = markdown(in_str, extensions=[VariableExtension()]) + out_str: str = markdown(in_str, extensions=[VariableExtension()]) assert out_str == exp_str @@ -32,6 +30,6 @@ def test_non_replacements(in_str, exp_str): ('foo ![image](${test}/a.jpg) bar', '<p>foo <img alt="image" src="value/a.jpg" /> bar</p>'), ]) def test_simple_replacements(in_str, exp_str): - out_str = markdown(in_str, extensions=[VariableExtension(variables={'test':'value'})]) + out_str: str = markdown(in_str, extensions=[VariableExtension(variables={'test':'value'})]) assert out_str == exp_str |