From 165502d2fb0fbc88b70c7303225584ce042b9911 Mon Sep 17 00:00:00 2001
From: William Orr <will@worrbase.com>
Date: Tue, 17 May 2016 21:51:58 -0700
Subject: [PATCH] `zipfile.ZipFile` can sometimes throw `RuntimeError`

---
 fido/package.py          |   2 +-
 tests/fixtures/worse.zip | Bin 0 -> 93 bytes
 tests/test_package.py    |   6 ++++++
 3 files changed, 7 insertions(+), 1 deletion(-)
 create mode 100644 tests/fixtures/worse.zip

diff --git a/fido/package.py b/fido/package.py
index ed17f97e..79266be6 100644
--- a/fido/package.py
+++ b/fido/package.py
@@ -77,7 +77,7 @@ def detect_formats(self):
         """Detect available formats inside the ZIP container."""
         try:
             zip_ = zipfile.ZipFile(self.zip)
-        except zipfile.BadZipfile:
+        except (zipfile.BadZipfile, RuntimeError):
             return []
 
         results = []
diff --git a/tests/fixtures/worse.zip b/tests/fixtures/worse.zip
new file mode 100644
index 0000000000000000000000000000000000000000..7c3878c877da38ab26e9c9389085f1d4275bce11
GIT binary patch
literal 93
zcmWIWW@ZWSW@Hj)7GYpw;9zL@|Np<G|G^Kv3=9nWftZ7V7f3QNFaq&{Mi46}GdHy;
h6C}dQz-$m66B1g%z!2cg$_A2T1VU#ZeFDT`003<~5A*;4

literal 0
HcmV?d00001

diff --git a/tests/test_package.py b/tests/test_package.py
index 1a027b57..6e225187 100644
--- a/tests/test_package.py
+++ b/tests/test_package.py
@@ -13,3 +13,9 @@ def test_bad_zip():
     p = ZipPackage(os.path.join(FIXTURES_DIR, 'bad.zip'), {})
     r = p.detect_formats()
     assert isinstance(r, list) and len(r) == 0
+
+
+def test_worse_zip():
+    p = ZipPackage(os.path.join(FIXTURES_DIR, 'worse.zip'), {})
+    r = p.detect_formats()
+    assert isinstance(r, list) and len(r) == 0