1 files changed, 23 insertions, 0 deletions
diff --git a/lib/spack/spack/exception.py b/lib/spack/spack/exception.py
new file mode 100644
index 0000000000..815cd9be25
--- /dev/null
+++ b/lib/spack/spack/exception.py
@@ -0,0 +1,23 @@
+
+
+class SpackException(Exception):
+    def __init__(self, message):
+        self.message = message
+
+
+class FailedDownloadException(SpackException):
+    def __init__(self, url):
+        super(FailedDownloadException, self).__init__("Failed to fetch file from URL: " + url)
+        self.url = url
+
+
+class InvalidPackageNameException(SpackException):
+    def __init__(self, name):
+        super(InvalidPackageNameException, self).__init__("Invalid package name: " + name)
+        self.name = name
+
+
+class CommandFailedException(SpackException):
+    def __init__(self, command):
+        super(CommandFailedException, self).__init__("Failed to execute command: " + command)
+        self.command = command