reader_comdirect (tbc)

.gitignore

@@ -14,3 +14,5 @@ wheels/
 
 # Database instances
 *.db
+
+.local

src/reader.py

@@ -1,4 +1,6 @@
 import csv
+import re
+from enum import Enum, auto
 from pathlib import Path
 
 from src.models import B4wExport
@@ -12,3 +14,47 @@ def reader_raw(path: Path):
 def reader_b4w(path: Path):
     raw = reader_raw(path)
     return list(map(B4wExport.model_validate, raw))
+
+
+def reader_comdirect(path: Path):
+    PATTERN_ACCOUNT_NAME = r'^"Umsätze ([^"]+)";"Zeitraum: .*$'
+    PATTERN_HEADER = r'"([^"]+)"'
+    PATTERN_DATA = r'"([^"]+)"'
+
+    class EXPECT_LINE(Enum):
+        ACCOUNT_NAME = auto()
+        BLANK = auto()
+        HEADER = auto()
+        DATA = auto()
+
+    with path.open(encoding="latin1") as fid:
+        lines = fid.readlines()
+
+    expect_next = EXPECT_LINE.ACCOUNT_NAME
+    account_name = None
+    result = {}
+    for line in lines:
+        if expect_next == EXPECT_LINE.ACCOUNT_NAME:
+            account_name = re.findall(PATTERN_ACCOUNT_NAME, line)
+            if account_name:
+                account_name = account_name[0]
+                result[account_name] = {}
+                expect_next = EXPECT_LINE.BLANK
+        elif expect_next == EXPECT_LINE.BLANK:
+            if line == "\n":
+                expect_next = EXPECT_LINE.HEADER
+        elif expect_next == EXPECT_LINE.HEADER:
+            header = re.findall(PATTERN_HEADER, line)
+            if header:
+                result[account_name]["data"] = []
+                expect_next = EXPECT_LINE.DATA
+        elif expect_next == EXPECT_LINE.DATA:
+            data = re.findall(PATTERN_DATA, line)
+            if data:
+                result[account_name]["data"].append(
+                    {column: value for column, value in zip(header, data)}
+                )
+                expect_next = EXPECT_LINE.ACCOUNT_NAME
+        else:
+            expect_next = EXPECT_LINE.ACCOUNT_NAME
+    return result

tests/test_reader.py

@@ -0,0 +1,10 @@
+from pathlib import Path
+
+from src.reader import reader_comdirect
+
+
+def test_reader():
+    test_path = Path(".local/data/comdirect/umsaetze_9773063005_20260906-2043.csv")
+    assert test_path.exists()
+    data = reader_comdirect(test_path)
+    assert data

uv.lock

@@ -4,16 +4,16 @@ requires-python = ">=3.14"
 
 [[package]]
 name = "alembic"
-version = "1.19.1"
+version = "1.19.2"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "mako" },
     { name = "sqlalchemy" },
     { name = "typing-extensions" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/16/2b/e4153978368de59918115c9e01d3ebf58a558a7285efa7e960c383c4b59a/alembic-1.19.1.tar.gz", hash = "sha256:e0fca0518118c78acc493e31bcb5402f190057aaf6df8b5b95ce94c4789cf648", size = 2070816, upload-time = "2026-08-08T16:32:01.565Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/34/10/181eecdd552217d0342492bd6f3b8a96e973083379aace3d3402830ddc03/alembic-1.19.2.tar.gz", hash = "sha256:297950a8a91f6770eb82bfbce9bea55c728b90a5386c6e81430191a319d138b0", size = 2082643, upload-time = "2026-09-04T17:10:11.212Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/20/89/e62cc37b69ad357cc8ecd6e7367f5245f523d3cbb338a66197212bdf6749/alembic-1.19.1-py3-none-any.whl", hash = "sha256:b39018cb3d9413a19cbd54cf3c02ad33998641f0538eb77413a488a21c3e14be", size = 265946, upload-time = "2026-08-08T16:32:03.153Z" },
+    { url = "https://files.pythonhosted.org/packages/9c/cb/9014784dcb0585977ae23b6f43331d0a33c51ac0d692506d12b4f5ee9f3b/alembic-1.19.2-py3-none-any.whl", hash = "sha256:32d553dcd577e6fe5c3c63e91468526d35e4dcecafe865d7db4e9b328fa93cb2", size = 267399, upload-time = "2026-09-04T17:10:12.796Z" },
 ]
 
 [[package]]