Added SSH tunnel handling.

added geo file upload function.

epigraphhub_py/connection.py

@@ -0,0 +1,36 @@
+import atexit
+
+from sshtunnel import SSHTunnelForwarder
+
+
+class Tunnel:
+    def __init__(self):
+        self.host = "epigraphhub.org"
+        self.server = None
+        atexit.register(self.close_tunnel)
+
+    def open_tunnel(self, user="epigraph", ssh_key_passphrase=""):
+        """
+        Opens a tunnel to EpigraphHub database
+        """
+        self.server = SSHTunnelForwarder(
+            self.host,
+            ssh_username=user,
+            ssh_password="epigraph",
+            ssh_private_key_password=ssh_key_passphrase,
+            remote_bind_address=("127.0.0.1", 5432),
+        )
+
+        self.server.start()
+
+    def __repr__(self):
+        if self.server is None:
+            return "Tunnel is closed."
+        else:
+            return f"Port {self.server.local_bind_port} is being forwarded to {self.host}:5432"
+
+    def close_tunnel(self):
+        if not self.server is None:
+            print("Closing Tunnel...")
+            self.server.stop()
+            self.server = None

epigraphhub_py/epigraphhub/analysis/rtestim.py

@@ -0,0 +1,3 @@
+import arviz as az
+import pandas as pd
+import pymc3 as pm

epigraphhub_py/epigraphhub/data/upload.py

@@ -0,0 +1,6 @@
+import geopandas as gpd
+import pandas as pd
+
+
+def upload_geo_file(fname):
+    gdf = gpd.read_file(fname)