localize exit country if we can

only if we can find the geoip database,
which comes with geoip-database in debian.
we will have to think more about this in the future
but it's nice to have now for testing.

2 files changed, 41 insertions, 0 deletions

diff --git a/src/leap/util/__init__.py b/src/leap/util/__init__.py
index e69de29b..a70a9a8b 100644
--- a/src/leap/util/__init__.py
+++ b/src/leap/util/__init__.py
@@ -0,0 +1,9 @@
+import logging
+logger = logging.getLogger(__name__)
+
+try:
+    import pygeoip
+    HAS_GEOIP = True
+except ImportError:
+    logger.debug('PyGeoIP not found. Disabled Geo support.')
+    HAS_GEOIP = False
diff --git a/src/leap/util/geo.py b/src/leap/util/geo.py
new file mode 100644
index 00000000..54b29596
--- /dev/null
+++ b/src/leap/util/geo.py
@@ -0,0 +1,32 @@
+"""
+experimental geo support.
+not yet a feature.
+in debian, we rely on the (optional) geoip-database
+"""
+import os
+import platform
+
+from leap.util import HAS_GEOIP
+
+GEOIP = None
+
+if HAS_GEOIP:
+    import pygeoip  # we know we can :)
+
+    GEOIP_PATH = None
+
+    if platform.system() == "Linux":
+        PATH = "/usr/share/GeoIP/GeoIP.dat"
+        if os.path.isfile(PATH):
+            GEOIP_PATH = PATH
+        GEOIP = pygeoip.GeoIP(GEOIP_PATH, pygeoip.MEMORY_CACHE)
+
+
+def get_country_name(ip):
+    if not GEOIP:
+        return
+    try:
+        country = GEOIP.country_name_by_addr(ip)
+    except pygeoip.GeoIPError:
+        country = None
+    return country if country else "-"