Added untested code for firmware update for #2

huawei_lte_api/Connection.py

@@ -156,6 +156,26 @@ def post(self,
 
         return data
 
+    def post_file(self,
+                  endpoint: str,
+                  files: dict,
+                  data: Optional[dict]=None,
+                  prefix: str = 'api',
+                  ) -> str:
+
+        if self.request_verification_tokens:
+            data['csrf_token'] = self.request_verification_tokens[0]
+
+        response = self.session.post(
+            self._build_final_url(endpoint, prefix),
+            files=files,
+            data=data,
+            timeout=self.timeout
+        )
+        response.raise_for_status()
+
+        return response.content.lower()
+
     @_try_or_reload_and_retry
     def get(self, endpoint: str, params: Optional[dict]=None, prefix: str='api') -> dict:
         headers = {}

huawei_lte_api/api/FileManager.py

@@ -1,9 +1,24 @@
-
+import os
+from typing import BinaryIO
 from huawei_lte_api.ApiGroup import ApiGroup
 
 
 class FileManager(ApiGroup):
-    def upload(self, uploadfile: str):
-        return self._connection.post('filemanager/upload', {
-            'uploadfile': uploadfile
-        })  # !FIXME see issue #2
+    def upload(self, uploadfile: BinaryIO, uploadfile_name: str) -> str:
+        """
+        Uploads firmware update and triggers it
+        :param uploadfile: filehandle on file to upload
+        :param uploadfile_name: name of uploaded file
+        :return: str
+        """
+        uploadfile_basename = os.path.basename(uploadfile_name)
+        filename, extension = os.path.splitext(uploadfile_basename)
+
+        if extension not in ['bin', 'zip']:
+            raise Exception('Only *.bin or *.zip is allowed')
+
+        return self._connection.post_file('filemanager/upload', {
+            'uploadfile': uploadfile,
+        }, {
+            'cur_path': 'OU:{}'.format(uploadfile_basename)
+        })