Dealt with Host possibly having more than one entry and fixed CamelCase_to_snake

ssh_config_utils/config_file.py

@@ -7,9 +7,13 @@ from ssh_config_utils.parser import parse_config_text
 class ConfigFile:
     def __init__(self, global_host, hosts):
         self.hosts = {}
-        global_host = global_host
+        self.global_host = global_host
         for host in hosts:
-            self.hosts.setdefault(host.name, host)
+            if isinstance(host.name, list):
+                name = host.name[0]
+            else:
+                name = host.name
+            self.hosts.setdefault(name, host)
 
     @classmethod
     def read_file(cls, fp):
@@ -27,7 +31,7 @@ class ConfigFile:
             for key, values in host_data.items():
                 if len(values) == 1:
                     host_data[key] = values[0]
-            if host_data["host"] == "*":
+            if "*" in host_data["host"]:
                 if global_host is None:
                     del host_data["host"]
                     global_host = GlobalHost(host_data)
@@ -40,7 +44,14 @@ class ConfigFile:
         return self.format(indent=" " * 2, host_seperator="\n" * 2)
 
     def format(self, **format_data):
-        hosts = sorted(self.hosts.values(), key=lambda host: host.name)
+        hosts = sorted(
+            self.hosts.values(),
+            key=lambda host: host.name
+            if isinstance(host.name, str)
+            else " ".join(host.name),
+        )
+        if self.global_host is not None:
+            hosts.insert(0, self.global_host)
         return format_data["host_seperator"].join(
             map(lambda host: host.format(**format_data), hosts)
         )

ssh_config_utils/parser.py

@@ -17,7 +17,7 @@ KEY_VALUE = re.compile(r"(?P<key>\S+)(?:[ \t]+|[ \t]*=[ \t]*)(?P<values>.*)")
 
 
 def CamelCase_to_snake(text):  # noqa
-    return "_".join(map(str.lower, re.findall(r"[A-Z][a-z]*", text)))
+    return "_".join(map(str.lower, re.findall(r"[A-Z][a-z]*|[0-9]+", text)))
 
 
 def parse_config_text(text):

ssh_config_utils/serializer.py

@@ -16,6 +16,8 @@ def quote(term):
 
 
 def serialize_host(name, data, format_data):
+    if isinstance(name, list):
+        name = " ".join(map(quote, name))
     lines = ["Host {}".format(name)]
     for key, value in sorted(data.items(), key=lambda item: item[0]):