Create Linux-Ubuntu.py

Linux-Ubuntu.py

@@ -0,0 +1,63 @@
+import inspect
+import os
+import re
+import subprocess
+from ctypes.util import (
+    _findLib_gcc,
+    _findLib_ld,
+    _findSoname_ldconfig,
+    _get_soname,
+    _is_elf,
+)
+
+library_names = ("cairo-2", "cairo", "libcairo-2")
+filenames = ("libcairo.so.2", "libcairo.2.dylib", "libcairo-2.dll")
+found_path = ""
+
+print(inspect.getsource(_findLib_gcc))
+print("---")
+print(inspect.getsource(_findLib_ld))
+print("---")
+print(inspect.getsource(_findSoname_ldconfig))
+print("---")
+
+libpath = os.environ.get('LD_LIBRARY_PATH')
+print("LD_LIBRARY_PATH =", libpath)
+
+for name in library_names:
+    expr = r'[^\(\)\s]*lib%s\.[^\(\)\s]*' % re.escape(name)
+    command = ['ld', '-t']
+    if libpath:
+        for d in libpath.split(':'):
+            command.extend(['-L', d])
+    command.extend(['-o', os.devnull, '-l%s' % name])
+    print("Running", " ".join(command))
+    try:
+        out, _ = subprocess.Popen(
+            command,
+            stdout=subprocess.PIPE,
+            stderr=subprocess.PIPE,
+            universal_newlines=True,
+        ).communicate()
+        result = re.findall(expr, os.fsdecode(out))
+        print("  Result", "\n".join(result) or "is empty")
+        if not result:
+            continue
+        for path in result:
+            if not _is_elf(path):
+                continue
+            path = os.fsdecode(path)
+            found_path = _get_soname(path)
+            filenames = (found_path, ) + filenames
+            break
+    except Exception as err:
+        print("  Error during ld command:", err)
+    if found_path:
+        break
+else:
+    found_path = "not found"
+
+print(f"The path is {found_path}")
+print("List of files that FFI will try to load:")
+for filename in filenames:
+    print("-", filename)