1 files changed, 49 insertions, 0 deletions
diff --git a/pomu/repo/remote/svn.py b/pomu/repo/remote/svn.py
new file mode 100644
index 0000000..4b1e1d3
--- /dev/null
+++ b/pomu/repo/remote/svn.py
@@ -0,0 +1,49 @@
+"""A class for remote svn repos"""
+from subprocess import run
+
+from pomu.repo.remote import RemoteRepo, normalize_key
+from pomu.util.result import Result
+
+class RemoteSvnRepo(RemoteRepo):
+    """A class responsible for svn remotes"""
+    def __init__(self, url):
+        self.uri = uri
+
+    def __enter__(self):
+        pass
+
+    def __exit__(self, *_):
+        pass
+
+    def fetch_tree(self):
+        """Returns repos hierarchy"""
+        if hasattr(self, '_tree'):
+            return self._tree
+        p = run('svn', 'ls', '-R', self.uri)
+        if p.returncode:
+            return []
+        self._tree = p.stdout.split('\n')
+        return self._tree
+
+    def fetch_subtree(self, key):
+        """Lists a subtree"""
+        k = normalize_key(key, True)
+        self.fetch_tree()
+        dic = dict(self._tree)
+        if k not in dic:
+            return Result.Err()
+        l = len(key)
+        return Result.Ok(
+                [tpath[l:] for tpath in self.fetch_tree() if tpath.startswith(k)])
+
+    def fetch_file(self, key):
+        """Fetches a file from the repo"""
+        k = normalize_key(key)
+        self.fetch_tree()
+        dic = dict(self._tree)
+        if k not in dic:
+            return Result.Err()
+        p = run('svn', 'cat', k)
+        if p.returncode:
+            return Result.Err()
+        return Result.Ok(p.stdout)