add importer for gitlab

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

requirements.txt

@@ -18,5 +18,6 @@ gunicorn>=20.1.0
 django-environ==0.4.5
 defusedxml==0.7.1
 license-expression>=21.6.14
+fetchcode>=0.1.0
 
 Markdown==3.3.4

vulnerabilities/importers/gitlab.py

@@ -0,0 +1,53 @@
+from dataclasses import dataclass
+import dataclasses
+import os
+from typing import List
+from fetchcode.vcs import fetch_via_vcs
+
+def fork_and_get_dir(url):
+    return fetch_via_vcs(url).dest_dir
+
+def walk_in_directory(dir):
+    for root, dirs, files in os.walk(dir):
+        for file in files:
+            yield os.path.join(root, file)
+
+# binary search
+def binary_search(lst, item):
+    low = 0
+    high = len(lst) - 1
+
+    while low <= high:
+        mid = (low + high) // 2
+        guess = lst[mid]
+        if guess == item:
+            return mid
+        if guess > item:
+            high = mid - 1
+        else:
+            low = mid + 1
+    return None
+
+#bubble sort
+def bubble_sort(lst):
+    for i in range(len(lst) - 1):
+        for j in range(len(lst) - i - 1):
+            if lst[j] > lst[j + 1]:
+                lst[j], lst[j + 1] = lst[j + 1], lst[j]
+    return lst
+
+@dataclasses.dataclass(order=True)
+class Test:
+    name: str
+    number: int
+    grades: List[str] = dataclasses.field(default_factory=list)
+
+    def __repr__(self):
+        return self.name
+    
+    def to_dict(self):
+        return {
+            'name': self.name,
+            'number': self.number,
+            'grades': [grade for grade in self.list_of_grades]
+        }