From 828df9b2dcce75c24c5785beacda019c412fcafe Mon Sep 17 00:00:00 2001
From: David George <d.a.george.528@gmail.com>
Date: Sun, 26 Jan 2025 18:34:35 +0000
Subject: [PATCH 1/3] Add parse_string function

---
 quiffen/core/qif.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/quiffen/core/qif.py b/quiffen/core/qif.py
index 53796ad..ffc9895 100644
--- a/quiffen/core/qif.py
+++ b/quiffen/core/qif.py
@@ -134,6 +134,32 @@ def parse(
 
         data = path.read_text(encoding=encoding).strip().strip("\n")
 
+        if not data:
+            raise ParserException("The file is empty.")
+
+        return cls.parse_string(data, separator=separator, day_first=day_first)
+
+    @classmethod
+    def parse_string(
+        cls, data: str, separator: str = "\n", day_first: bool = False
+    ) -> Qif:
+        """Return a class instance from a string containing QIF data.
+
+        Parameters
+        ----------
+        data : str
+            The string of QIF data
+        separator : str, default='\n'
+            The line separator for the QIF file. This probably won't need
+            changing.
+        day_first : bool, default=False
+            Whether the day or month comes first in the date.
+
+        Returns
+        -------
+        Qif
+            A Qif object containing all the data in the QIF file.
+        """
         if not data:
             raise ParserException("The file is empty.")
 

From 1f9d7cb816a7066a2e8955cb49ddf600dadd4880 Mon Sep 17 00:00:00 2001
From: David George <d.a.george.528@gmail.com>
Date: Sun, 26 Jan 2025 18:35:20 +0000
Subject: [PATCH 2/3] Add tests for parse_string

---
 tests/test_qif.py | 25 +++++++++++++++++++++++--
 1 file changed, 23 insertions(+), 2 deletions(-)

diff --git a/tests/test_qif.py b/tests/test_qif.py
index 6e8fbb1..80bfe7a 100644
--- a/tests/test_qif.py
+++ b/tests/test_qif.py
@@ -217,12 +217,33 @@ def test_from_list():
         qif.from_list([])
 
 
-def test_parse_works(qif_file):
+def test_parse_string_works():
+    """Test parsing a QIF file"""
+    qif_string = (
+        "!Type:Class\n"
+        "NTest class\n"
+        "DThis is just a class I added here for test purposes\n"
+        "^\n"
+        "!Type:Class\n"
+        "NTest class 2\n"
+        "DThis is just a class I added here for test purposes\n"
+        "^\n"
+    )
+    Qif.parse_string(qif_string)
+
+
+def test_parse_empty_string():
+    """Test parsing an empty QIF file"""
+    with pytest.raises(ParserException):
+        Qif.parse("")
+
+
+def test_parse_file_works(qif_file):
     """Test parsing a QIF file"""
     Qif.parse(qif_file)
 
 
-def test_parse_works_with_oth_a_account(qif_file_with_oth_a_account):
+def test_parse_file_works_with_oth_a_account(qif_file_with_oth_a_account):
     """Test parsing a QIF file with an OTH account"""
     Qif.parse(qif_file_with_oth_a_account)
 

From 6c9b1e53482119571bd27e93de81002423aceaa3 Mon Sep 17 00:00:00 2001
From: David George <d.a.george.528@gmail.com>
Date: Mon, 27 Jan 2025 21:49:46 +0000
Subject: [PATCH 3/3] Update error message in parse_string

---
 quiffen/core/qif.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/quiffen/core/qif.py b/quiffen/core/qif.py
index ffc9895..6d260bb 100644
--- a/quiffen/core/qif.py
+++ b/quiffen/core/qif.py
@@ -161,7 +161,7 @@ def parse_string(
             A Qif object containing all the data in the QIF file.
         """
         if not data:
-            raise ParserException("The file is empty.")
+            raise ParserException("The data string is empty.")
 
         accounts: Dict[str, Account] = {}
         last_account = None