camelot-py 2.0 (pdfium, без Ghostscript/OpenCV), v1.31

site/parser.py

@@ -124,22 +124,27 @@ def _parse_doc(file_bytes: bytes) -> dict:
 def _parse_pdf(file_bytes: bytes) -> dict:
     result = {"elements": [], "errors": []}
 
-    # Попробовать tabula (Java) — точнее таблицы
-    tables_from_tabula = False
+    # Попробовать camelot (pdfium, без системных зависимостей)
+    tables_from_camelot = False
     try:
-        import tabula
-        tables = tabula.read_pdf(io.BytesIO(file_bytes), pages="all", multiple_tables=True)
-        for tbl in tables:
-            rows = [list(tbl.columns)] + tbl.values.tolist()
-            result["elements"].append({
-                "type": "table",
-                "rows": rows,
-            })
-        tables_from_tabula = len(tables) > 0
+        import camelot
+        for flavor in ("lattice", "stream"):
+            try:
+                ctables = camelot.read_pdf(io.BytesIO(file_bytes), pages="all", flavor=flavor)
+                for ct in ctables:
+                    rows = [list(ct.df.columns)] + ct.df.values.tolist()
+                    result["elements"].append({
+                        "type": "table",
+                        "rows": rows,
+                        "page": ct.page,
+                    })
+                    tables_from_camelot = True
+            except Exception:
+                pass
     except ImportError:
-        result["errors"].append("tabula not installed, using pdfplumber")
+        result["errors"].append("camelot not installed, using pdfplumber")
     except Exception as e:
-        result["errors"].append(f"tabula error: {e}")
+        result["errors"].append(f"camelot error: {e}")
 
     # pdfplumber: текст + таблицы (если tabula не сработал)
     try:
@@ -158,7 +163,7 @@ def _parse_pdf(file_bytes: bytes) -> dict:
                                 "text": line,
                                 "page": pn,
                             })
-                if not tables_from_tabula:
+                if not tables_from_camelot:
                     tables = page.extract_tables()
                     for tbl in tables:
                         if tbl: