Bump cherrypy from 18.8.0 to 18.9.0 (#2266)

* Bump cherrypy from 18.8.0 to 18.9.0 Bumps [cherrypy](https://github.com/cherrypy/cherrypy) from 18.8.0 to 18.9.0. - [Changelog](https://github.com/cherrypy/cherrypy/blob/main/CHANGES.rst) - [Commits](https://github.com/cherrypy/cherrypy/compare/v18.8.0...v18.9.0) --- updated-dependencies: - dependency-name: cherrypy dependency-type: direct:production update-type: version-update:semver-minor ... Signed-off-by: dependabot[bot] <support@github.com> * Update cherrypy==18.9.0 --------- Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com> Co-authored-by: JonnyWong16 <9099342+JonnyWong16@users.noreply.github.com> [skip ci]
2025-07-10 23:42:37 -07:00 · 2024-03-24 15:25:44 -07:00 · 2024-03-24 15:25:44 -07:00 · faef9a94c4
commit faef9a94c4
parent cfefa928be
673 changed files with 159850 additions and 11583 deletions
--- a/lib/win32/Demos/CreateFileTransacted_MiniVersion.py
+++ b/lib/win32/Demos/CreateFileTransacted_MiniVersion.py
@ -0,0 +1,123 @@
+"""
+This demonstrates the creation of miniversions of a file during a transaction.
+The FSCTL_TXFS_CREATE_MINIVERSION control code saves any changes to a new
+miniversion (effectively a savepoint within a transaction).
+"""
+
+import os
+import struct
+
+import win32api
+import win32con
+import win32file
+import win32transaction
+import winerror
+import winioctlcon
+from pywin32_testutil import str2bytes  # py3k-friendly helper
+
+
+def demo():
+    """
+    Definition of buffer used with FSCTL_TXFS_CREATE_MINIVERSION:
+    typedef struct _TXFS_CREATE_MINIVERSION_INFO{
+        USHORT StructureVersion;
+        USHORT StructureLength;
+        ULONG BaseVersion;
+        USHORT MiniVersion;}
+    """
+    buf_fmt = "HHLH0L"  ## buffer size must include struct padding
+    buf_size = struct.calcsize(buf_fmt)
+
+    tempdir = win32api.GetTempPath()
+    tempfile = win32api.GetTempFileName(tempdir, "cft")[0]
+    print("Demonstrating transactions on tempfile", tempfile)
+    f = open(tempfile, "w")
+    f.write("This is original file.\n")
+    f.close()
+
+    trans = win32transaction.CreateTransaction(
+        Description="Test creating miniversions of a file"
+    )
+    hfile = win32file.CreateFileW(
+        tempfile,
+        win32con.GENERIC_READ | win32con.GENERIC_WRITE,
+        win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE,
+        None,
+        win32con.OPEN_EXISTING,
+        0,
+        None,
+        Transaction=trans,
+    )
+
+    win32file.WriteFile(hfile, str2bytes("This is first miniversion.\n"))
+    buf = win32file.DeviceIoControl(
+        hfile, winioctlcon.FSCTL_TXFS_CREATE_MINIVERSION, None, buf_size, None
+    )
+    struct_ver, struct_len, base_ver, ver_1 = struct.unpack(buf_fmt, buf)
+
+    win32file.SetFilePointer(hfile, 0, win32con.FILE_BEGIN)
+    win32file.WriteFile(hfile, str2bytes("This is second miniversion!\n"))
+    buf = win32file.DeviceIoControl(
+        hfile, winioctlcon.FSCTL_TXFS_CREATE_MINIVERSION, None, buf_size, None
+    )
+    struct_ver, struct_len, base_ver, ver_2 = struct.unpack(buf_fmt, buf)
+    hfile.Close()
+
+    ## miniversions can't be opened with write access
+    hfile_0 = win32file.CreateFileW(
+        tempfile,
+        win32con.GENERIC_READ,
+        win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE,
+        None,
+        win32con.OPEN_EXISTING,
+        0,
+        None,
+        Transaction=trans,
+        MiniVersion=base_ver,
+    )
+    print("version:", base_ver, win32file.ReadFile(hfile_0, 100))
+    hfile_0.Close()
+
+    hfile_1 = win32file.CreateFileW(
+        tempfile,
+        win32con.GENERIC_READ,
+        win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE,
+        None,
+        win32con.OPEN_EXISTING,
+        0,
+        None,
+        Transaction=trans,
+        MiniVersion=ver_1,
+    )
+    print("version:", ver_1, win32file.ReadFile(hfile_1, 100))
+    hfile_1.Close()
+
+    hfile_2 = win32file.CreateFileW(
+        tempfile,
+        win32con.GENERIC_READ,
+        win32con.FILE_SHARE_READ | win32con.FILE_SHARE_WRITE,
+        None,
+        win32con.OPEN_EXISTING,
+        0,
+        None,
+        Transaction=trans,
+        MiniVersion=ver_2,
+    )
+    print("version:", ver_2, win32file.ReadFile(hfile_2, 100))
+    hfile_2.Close()
+
+    ## MiniVersions are destroyed when transaction is committed or rolled back
+    win32transaction.CommitTransaction(trans)
+
+    os.unlink(tempfile)
+
+
+if __name__ == "__main__":
+    # When run on CI, this fails with NOT_SUPPORTED, so don't have that cause "failure"
+    try:
+        demo()
+    except win32file.error as e:
+        if e.winerror == winerror.ERROR_NOT_SUPPORTED:
+            print("These features are not supported by this filesystem.")
+        else:
+            raise