Use more unique yet short paths for logging

src/Test/TestDebug.py

@@ -0,0 +1,52 @@
+from Debug import Debug
+import gevent
+import os
+
+import pytest
+
+
+class TestDebug:
+    @pytest.mark.parametrize("items,expected", [
+        (["@/src/A/B/C.py:17"], ["A/B/C.py line 17"]),  # basic test
+        (["@/src/Db/Db.py:17"], ["Db.py line 17"]),  # path compression
+        (["%s:1" % __file__], ["TestDebug.py line 1"]),
+        (["@/plugins/Chart/ChartDb.py:100"], ["ChartDb.py line 100"]),  # plugins
+        (["@/main.py:17"], ["main.py line 17"]),  # root
+        (["@\\src\\Db\\__init__.py:17"], ["Db/__init__.py line 17"]),  # Windows paths
+        (["<frozen importlib._bootstrap>:1"], []),  # importlib builtins
+        (["<frozen importlib._bootstrap_external>:1"], []),  # importlib builtins
+        (["/home/ivanq/ZeroNet/src/main.py:13"], ["?/src/main.py line 13"]),  # best-effort anonymization
+        (["C:\\ZeroNet\\core\\src\\main.py:13"], ["?/src/main.py line 13"]),
+        (["/root/main.py:17"], ["/root/main.py line 17"]),
+        (["{gevent}:13"], ["<gevent>/__init__.py line 13"]),  # modules
+        (["{os}:13"], ["<os> line 13"]),  # python builtin modules,
+        (["@/src/Db/Db.py:17", "@/src/Db/DbQuery.py:1"], ["Db.py line 17", "DbQuery.py line 1"]),  # mutliple args
+        (["@/src/Db/Db.py:17", "@/src/Db/Db.py:1"], ["Db.py line 17", "1"]),  # same file
+        (["{os}:1", "@/src/Db/Db.py:17"], ["<os> line 1", "Db.py line 17"]),  # builtins
+        (["{gevent}:1"] + ["{os}:3"] * 4 + ["@/src/Db/Db.py:17"], ["<gevent>/__init__.py line 1", "...", "Db.py line 17"]),
+    ])
+    def testFormatTraceback(self, items, expected):
+        q_items = []
+        for item in items:
+            file, line = item.rsplit(":", 1)
+            if file.startswith("@"):
+                file = Debug.root_dir + file[1:]
+            file = file.replace("{os}", os.__file__)
+            file = file.replace("{gevent}", gevent.__file__)
+            q_items.append((file, int(line)))
+        assert Debug.formatTraceback(q_items) == expected
+
+
+    def testFormatException(self):
+        try:
+            raise ValueError("Test exception")
+        except:
+            assert Debug.formatException() == "ValueError: Test exception in TestDebug.py line 42"
+        try:
+            os.path.abspath(1)
+        except:
+            assert Debug.formatException().startswith("TypeError: expected str, bytes or os.PathLike object, not int in TestDebug.py line 46 > <posixpath> line ")
+
+
+    def testFormatStack(self):
+        assert Debug.formatStack().startswith("TestDebug.py line 52 > <_pytest>/python.py line ")