introduce basic config file

chatmaild/pyproject.toml

@@ -4,9 +4,10 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "chatmaild"
-version = "0.1"
+version = "0.2"
 dependencies = [
   "aiosmtpd",
+  "iniconfig",
 ]
 
 [project.scripts]

chatmaild/src/chatmaild/config.py

@@ -0,0 +1,26 @@
+
+from fnmatch import fnmatch
+import iniconfig
+
+
+class Config:
+    def __init__(self, mailname, section):
+        self.mailname = mailname
+        self.privacy_postal = section.get("privacy_postal")
+        self.privacy_mail = section.get("privacy_mail")
+        self.privacy_pdo = section.get("privacy_pdo")
+        self.privacy_supervisor = section.get("privacy_supervisor")
+        self.has_privacy_policy = self.privacy_mail != None
+
+
+def read_config(inipath, mailname):
+    ini = iniconfig.IniConfig(inipath)
+    privacy = None
+    for section in ini:
+        if section.name.startswith("privacy:"):
+            domain = section["domain"]
+            if fnmatch(mailname, domain):
+                privacy = section
+                break
+
+    return Config(mailname, privacy or {})

tests/chatmaild/test_config.py

@@ -0,0 +1,48 @@
+from chatmaild.config import read_config
+
+
+def test_read_config_no_privacy_policy(tmp_path, create_ini):
+    inipath = create_ini(
+        """
+        [privacy:testrun]
+        domain = *.example.org
+    """
+    )
+    config = read_config(inipath, "something.example.org")
+    assert config.mailname == "something.example.org"
+    assert not config.has_privacy_policy
+
+
+def test_read_config(create_ini):
+    inipath = create_ini(
+        """
+        [privacy:testrun]
+        domain = *.testrun.org
+
+        privacy_postal =
+            Postal Ltd
+
+        privacy_mail = privacy@merlinux.eu
+
+        privacy_pdo =
+            Postal PDO
+            You can contact him at *delta-privacy@merlinux.eu* (Keyword: DPO)
+
+        privacy_supervisor =
+            line1
+            line2 with space
+    """
+    )
+
+    config = read_config(inipath, "something.testrun.org")
+    assert config.has_privacy_policy
+
+    assert config.mailname == "something.testrun.org"
+    assert config.privacy_postal == "Postal Ltd"
+    assert config.privacy_mail == "privacy@merlinux.eu"
+    lines = config.privacy_pdo.split("\n")
+    assert lines[0] == "Postal PDO"
+    assert lines[1].startswith("You can ")
+    lines = config.privacy_supervisor.split("\n")
+    assert lines[0] == "line1"
+    assert lines[1] == "line2 with space"

tests/conftest.py

@@ -3,6 +3,7 @@ import io
 import time
 import random
 import subprocess
+import textwrap
 import imaplib
 import smtplib
 import itertools
@@ -402,3 +403,14 @@ class CMUser:
             imap.login(self.addr, self.password)
             self._imap = imap
         return self._imap
+
+
+@pytest.fixture
+def create_ini(tmp_path):
+    def create_ini_func(source):
+        p = tmp_path.joinpath("chatmail.ini")
+        assert not p.exists(), p
+        p.write_text(textwrap.dedent(source))
+        return p
+
+    return create_ini_func