[PATCH] UefiPayloadPkg: Backward support with python 3.6

[kasimx.liu@intel.com]

From: KasimX Liu <kasimx.liu@intel.com>

REF: ttps://bugzilla.tianocore.org/show_bug.cgi?id=3960

Currently, UniversalPayloadBuild.py don't have support
python3.6, we use python3.6 will encounter f"" failure
use the change to fix it to support python3.6/3.7/3.8.

Cc: Guo Dong <guo.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: James Lu <james.lu@intel.com>
Reviewed-by: Gua Guo <gua.guo@intel.com>
Signed-off-by: KasimX Liu <kasimx.liu@intel.com>
---
 UefiPayloadPkg/UniversalPayloadBuild.py | 33 +++++++++++++++++++------
 1 file changed, 25 insertions(+), 8 deletions(-)

diff --git a/UefiPayloadPkg/UniversalPayloadBuild.py b/UefiPayloadPkg/UniversalPayloadBuild.py
index c71526e0a6..ab4c977ba5 100644
--- a/UefiPayloadPkg/UniversalPayloadBuild.py
+++ b/UefiPayloadPkg/UniversalPayloadBuild.py
@@ -59,15 +59,15 @@ def BuildUniversalPayload(Args, MacroList):
     if Args.Arch == 'X64':
         BuildArch      = "X64"
         ObjCopyFlag    = "elf64-x86-64"
-        EntryOutputDir = os.path.join(BuildDir, f"{BuildTarget}_{ElfToolChain}", os.path.normpath("X64/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry/DEBUG/UniversalPayloadEntry.dll"))
+        EntryOutputDir = os.path.join(BuildDir, "{}_{}".format (BuildTarget, ElfToolChain), os.path.normpath("X64/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry/DEBUG/UniversalPayloadEntry.dll"))
     else:
         BuildArch      = "IA32 -a X64"
         ObjCopyFlag    = "elf32-i386"
-        EntryOutputDir = os.path.join(BuildDir, f"{BuildTarget}_{ElfToolChain}", os.path.normpath("IA32/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry/DEBUG/UniversalPayloadEntry.dll"))
+        EntryOutputDir = os.path.join(BuildDir, "{}_{}".format (BuildTarget, ElfToolChain), os.path.normpath("IA32/UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry/DEBUG/UniversalPayloadEntry.dll"))
 
     EntryModuleInf = os.path.normpath("UefiPayloadPkg/UefiPayloadEntry/UniversalPayloadEntry.inf")
     DscPath = os.path.normpath("UefiPayloadPkg/UefiPayloadPkg.dsc")
-    FvOutputDir = os.path.join(BuildDir, f"{BuildTarget}_{ToolChain}", os.path.normpath("FV/DXEFV.Fv"))
+    FvOutputDir = os.path.join(BuildDir, "{}_{}".format (BuildTarget, ToolChain), os.path.normpath("FV/DXEFV.Fv"))
     PayloadReportPath = os.path.join(BuildDir, "UefiUniversalPayload.txt")
     ModuleReportPath = os.path.join(BuildDir, "UefiUniversalPayloadEntry.txt")
     UpldInfoFile = os.path.join(BuildDir, "UniversalPayloadInfo.bin")
@@ -94,14 +94,14 @@ def BuildUniversalPayload(Args, MacroList):
     #
     # Building DXE core and DXE drivers as DXEFV.
     #
-    BuildPayload = f"build -p {DscPath} -b {BuildTarget} -a X64 -t {ToolChain} -y {PayloadReportPath} {Quiet}"
+    BuildPayload = "build -p {} -b {} -a X64 -t {} -y {} {}".format (DscPath, BuildTarget, ToolChain, PayloadReportPath, Quiet)
     BuildPayload += Pcds
     BuildPayload += Defines
     RunCommand(BuildPayload)
     #
     # Building Universal Payload entry.
     #
-    BuildModule = f"build -p {DscPath} -b {BuildTarget} -a {BuildArch} -m {EntryModuleInf} -t {ElfToolChain} -y {ModuleReportPath} {Quiet}"
+    BuildModule = "build -p {} -b {} -a {} -m {} -t {} -y {} {}".format (DscPath, BuildTarget, BuildArch, EntryModuleInf, ElfToolChain, ModuleReportPath, Quiet)
     BuildModule += Pcds
     BuildModule += Defines
     RunCommand(BuildModule)
@@ -118,9 +118,26 @@ def BuildUniversalPayload(Args, MacroList):
     #
     # Copy the DXEFV as a section in elf format Universal Payload entry.
     #
-    remove_section = f'"{LlvmObjcopyPath}" -I {ObjCopyFlag} -O {ObjCopyFlag} --remove-section .upld_info --remove-section .upld.uefi_fv {EntryOutputDir}'
-    add_section    = f'"{LlvmObjcopyPath}" -I {ObjCopyFlag} -O {ObjCopyFlag} --add-section .upld_info={UpldInfoFile} --add-section .upld.uefi_fv={FvOutputDir} {EntryOutputDir}'
-    set_section    = f'"{LlvmObjcopyPath}" -I {ObjCopyFlag} -O {ObjCopyFlag} --set-section-alignment .upld.upld_info=16 --set-section-alignment .upld.uefi_fv=16 {EntryOutputDir}'
+    remove_section = '"{}" -I {} -O {} --remove-section .upld_info --remove-section .upld.uefi_fv {}'.format (
+                       LlvmObjcopyPath,
+                       ObjCopyFlag,
+                       ObjCopyFlag,
+                       EntryOutputDir
+                       )
+    add_section    = '"{}" -I {} -O {} --add-section .upld_info={} --add-section .upld.uefi_fv={} {}'.format (
+                       LlvmObjcopyPath,
+                       ObjCopyFlag,
+                       ObjCopyFlag,
+                       UpldInfoFile,
+                       FvOutputDir,
+                       EntryOutputDir
+                       )
+    set_section    = '"{}" -I {} -O {} --set-section-alignment .upld.upld_info=16 --set-section-alignment .upld.uefi_fv=16 {}'.format (
+                       LlvmObjcopyPath,
+                       ObjCopyFlag,
+                       ObjCopyFlag,
+                       EntryOutputDir
+                       )
     RunCommand(remove_section)
     RunCommand(add_section)
     RunCommand(set_section)
-- 
2.32.0.windows.2