two version of R2R are here HEAD master

1 files changed, 84 insertions, 0 deletions

diff --git a/.venv/lib/python3.12/site-packages/filetype/utils.py b/.venv/lib/python3.12/site-packages/filetype/utils.py
new file mode 100644
index 00000000..c954876a
--- /dev/null
+++ b/.venv/lib/python3.12/site-packages/filetype/utils.py
@@ -0,0 +1,84 @@
+# -*- coding: utf-8 -*-
+
+# Python 2.7 workaround
+try:
+    import pathlib
+except ImportError:
+    pass
+
+
+_NUM_SIGNATURE_BYTES = 8192
+
+
+def get_signature_bytes(path):
+    """
+    Reads file from disk and returns the first 8192 bytes
+    of data representing the magic number header signature.
+
+    Args:
+        path: path string to file.
+
+    Returns:
+        First 8192 bytes of the file content as bytearray type.
+    """
+    with open(path, 'rb') as fp:
+        return bytearray(fp.read(_NUM_SIGNATURE_BYTES))
+
+
+def signature(array):
+    """
+    Returns the first 8192 bytes of the given bytearray
+    as part of the file header signature.
+
+    Args:
+        array: bytearray to extract the header signature.
+
+    Returns:
+        First 8192 bytes of the file content as bytearray type.
+    """
+    length = len(array)
+    index = _NUM_SIGNATURE_BYTES if length > _NUM_SIGNATURE_BYTES else length
+
+    return array[:index]
+
+
+def get_bytes(obj):
+    """
+    Infers the input type and reads the first 8192 bytes,
+    returning a sliced bytearray.
+
+    Args:
+        obj: path to readable, file-like object(with read() method), bytes,
+        bytearray or memoryview
+
+    Returns:
+        First 8192 bytes of the file content as bytearray type.
+
+    Raises:
+        TypeError: if obj is not a supported type.
+    """
+    if isinstance(obj, bytearray):
+        return signature(obj)
+
+    if isinstance(obj, str):
+        return get_signature_bytes(obj)
+
+    if isinstance(obj, bytes):
+        return signature(obj)
+
+    if isinstance(obj, memoryview):
+        return bytearray(signature(obj).tolist())
+
+    if isinstance(obj, pathlib.PurePath):
+        return get_signature_bytes(obj)
+
+    if hasattr(obj, 'read'):
+        if hasattr(obj, 'tell') and hasattr(obj, 'seek'):
+            start_pos = obj.tell()
+            obj.seek(0)
+            magic_bytes = obj.read(_NUM_SIGNATURE_BYTES)
+            obj.seek(start_pos)
+            return get_bytes(magic_bytes)
+        return get_bytes(obj.read(_NUM_SIGNATURE_BYTES))
+
+    raise TypeError('Unsupported type as file input: %s' % type(obj))