From 66779aba032b6dd3f44c990601667f1e9edb2e14 Mon Sep 17 00:00:00 2001
From: Frederick Muriuki Muriithi
Date: Thu, 4 Jan 2024 03:09:12 +0300
Subject: Parse multiple files with same file key.

---
 r_qtl/r_qtl2.py                               |   9 +++++++++
 tests/r_qtl/test_files/test_geno_multiple.zip | Bin 0 -> 933 bytes
 2 files changed, 9 insertions(+)
 create mode 100644 tests/r_qtl/test_files/test_geno_multiple.zip

diff --git a/r_qtl/r_qtl2.py b/r_qtl/r_qtl2.py
index da7db22..26e8c76 100644
--- a/r_qtl/r_qtl2.py
+++ b/r_qtl/r_qtl2.py
@@ -150,6 +150,15 @@ def file_data(zfile: ZipFile,
                   [str, tuple[str, ...], tuple[str, ...]],
                   tuple[dict, ...]] = __default_process_value_transposed__) -> Iterator[dict]:
     """Load data from files in R/qtl2 zip bundle."""
+    if isinstance(cdata[member_key], list):
+        for row in (line for lines in
+                    (file_data(
+                        zfile, member_key, {**cdata, member_key: innerfile},
+                        process_value, process_transposed_value)
+                     for innerfile in cdata[member_key])
+                    for line in lines):
+            yield row
+        return
     if not cdata.get(f"{member_key}_transposed", False):
         for row in with_non_transposed(zfile, member_key, cdata, process_value):
             yield row
diff --git a/tests/r_qtl/test_files/test_geno_multiple.zip b/tests/r_qtl/test_files/test_geno_multiple.zip
new file mode 100644
index 0000000..7782c88
Binary files /dev/null and b/tests/r_qtl/test_files/test_geno_multiple.zip differ
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