1 files changed, 84 insertions, 0 deletions
diff --git a/gitlab/exceptions.py b/gitlab/exceptions.py
new file mode 100644
index 0000000..f538031
--- /dev/null
+++ b/gitlab/exceptions.py
@@ -0,0 +1,84 @@
+class GitlabError(Exception):
+    def __init__(self, error_message="", response_code=None,
+                 response_body=None):
+
+        Exception.__init__(self, error_message)
+        # Http status code
+        self.response_code = response_code
+        # Full http response
+        self.response_body = response_body
+        # Parsed error message from gitlab
+        self.error_message = error_message
+
+    def __str__(self):
+        if self.response_code is not None:
+            return "{0}: {1}".format(self.response_code, self.error_message)
+        else:
+            return "{0}".format(self.error_message)
+
+
+class GitlabAuthenticationError(GitlabError):
+    pass
+
+
+class GitlabConnectionError(GitlabError):
+    pass
+
+
+class GitlabOperationError(GitlabError):
+    pass
+
+
+class GitlabListError(GitlabOperationError):
+    pass
+
+
+class GitlabGetError(GitlabOperationError):
+    pass
+
+
+class GitlabCreateError(GitlabOperationError):
+    pass
+
+
+class GitlabUpdateError(GitlabOperationError):
+    pass
+
+
+class GitlabDeleteError(GitlabOperationError):
+    pass
+
+
+class GitlabProtectError(GitlabOperationError):
+    pass
+
+
+class GitlabTransferProjectError(GitlabOperationError):
+    pass
+
+
+def raise_error_from_response(response, error, expected_code=200):
+    """Tries to parse gitlab error message from response and raises error.
+
+    Do nothing if the response status is the expected one.
+
+    If response status code is 401, raises instead GitlabAuthenticationError.
+
+    response: requests response object
+    error: Error-class to raise. Should be inherited from GitLabError
+    """
+
+    if expected_code == response.status_code:
+        return
+
+    try:
+        message = response.json()['message']
+    except (KeyError, ValueError):
+        message = response.content
+
+    if response.status_code == 401:
+        error = GitlabAuthenticationError
+
+    raise error(error_message=message,
+                response_code=response.status_code,
+                response_body=response.content)