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bpo-41412 and bpo-40948: Windows installer updates (GH-21656) 

Prevent installation on Windows 8 and earlier.
Download UCRT on demand when required (non-updated Windows 8.1 only)
Add reference to py launcher to post-install message
This commit is contained in:
Steve Dower 2020-07-28 16:35:46 +01:00 committed by GitHub
parent 5e3826785d
commit 37a06cbe5c
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 25 additions and 69 deletions
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2
Misc/NEWS.d/next/Windows/2020-07-28-11-55-43.bpo-41412.ME20KB.rst Normal file
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@ -0,0 +1,2 @@
The installer will now fail to install on Windows 7 and Windows 8. Further,
the UCRT dependency is now always downloaded on demand.

1
Misc/NEWS.d/next/Windows/2020-07-28-12-39-32.bpo-40948.ISUFO6.rst Normal file
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@ -0,0 +1 @@
Improve post-install message to direct people to the "py" command.

2
Tools/msi/bundle/Default.thm
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@ -116,7 +116,7 @@
<Text X="185" Y="11" Width="-11" Height="36" FontId="1" DisablePrefix="yes">#(loc.SuccessHeader)</Text>
<Image X="0" Y="0" Width="178" Height="382" ImageFile="SideBar.png"/>
<Hypertext Name="SuccessText" X="205" Y="71" Width="-71" Height="150" FontId="3" DisablePrefix="yes"></Hypertext>
<Hypertext Name="SuccessText" X="205" Y="71" Width="-71" Height="180" FontId="3" DisablePrefix="yes"></Hypertext>
<Button Name="SuccessMaxPathButton" X="185" Y="-70" Width="-11" Height="81" TabStop="yes" FontId="3" HexStyle="0xE" HideWhenDisabled="yes">#(loc.SuccessMaxPathButton)</Button>

29
Tools/msi/bundle/Default.wxl
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@ -89,7 +89,7 @@ Select Customize to review current options.</String>
<String Id="ShortInstallLauncherAllUsersLabel">Install &amp;launcher for all users (recommended)</String>
<String Id="PrecompileLabel">&amp;Precompile standard library</String>
<String Id="Include_symbolsLabel">Download debugging &amp;symbols</String>
<String Id="Include_debugLabel">Download debu&amp;g binaries (requires VS 2015 or later)</String>
<String Id="Include_debugLabel">Download debu&amp;g binaries (requires VS 2017 or later)</String>
<String Id="ProgressHeader">[ActionLikeInstallation] Progress</String>
<String Id="ProgressLabel">[ActionLikeInstalling]:</String>
@ -105,11 +105,11 @@ Select Customize to review current options.</String>
<String Id="SuccessLaunchButton">&amp;Launch</String>
<String Id="SuccessRestartText">You may need to restart your computer to finish updating files.</String>
<String Id="SuccessRestartButton">&amp;Restart</String>
<String Id="SuccessInstallMessage">Special thanks to Mark Hammond, without whose years of freely shared Windows expertise, Python for Windows would still be Python for DOS.
<String Id="SuccessInstallMessage">New to Python? Start with the &lt;a href="https://docs.python.org/[ShortVersion]/tutorial/index.html"&gt;online tutorial&lt;/a&gt; and &lt;a href="https://docs.python.org/[ShortVersion]/index.html"&gt;documentation&lt;/a&gt;. At your terminal, type "py" to launch Python, or search for Python in your Start menu.
New to Python? Start with the &lt;a href="https://docs.python.org/[ShortVersion]/tutorial/index.html"&gt;online tutorial&lt;/a&gt; and &lt;a href="https://docs.python.org/[ShortVersion]/index.html"&gt;documentation&lt;/a&gt;.
See &lt;a href="https://docs.python.org/[ShortVersion]/whatsnew/[ShortVersion].html"&gt;what's new&lt;/a&gt; in this release, or find more info about &lt;a href="https://docs.python.org/[ShortVersion]/using/windows.html"&gt;using Python on Windows&lt;/a&gt;.
See &lt;a href="https://docs.python.org/[ShortVersion]/whatsnew/[ShortVersion].html"&gt;what's new&lt;/a&gt; in this release.</String>
Special thanks to Mark Hammond, without whose years of freely shared Windows expertise, Python for Windows would still be Python for DOS.</String>
<String Id="SuccessModifyMessage">Thank you for using [WixBundleName].</String>
<String Id="SuccessRepairMessage">Thank you for using [WixBundleName].
@ -123,26 +123,9 @@ Feel free to email &lt;a href="mailto:python-list@python.org"&gt;python-list@pyt
<String Id="FailureRestartButton">&amp;Restart</String>
<String Id="FailureExistingInstall">Unable to install [WixBundleName] due to an existing install. Use Programs and Features to modify, repair or remove [WixBundleName].</String>
<String Id="FailureWin7MissingSP1">Windows 7 Service Pack 1 and all applicable updates are required to install [WixBundleName].
Please &lt;a href="https://www.bing.com/search?q=how%20to%20install%20windows%207%20service%20pack%201"&gt;update your machine&lt;/a&gt; and then restart the installation.</String>
<String Id="FailureVistaMissingSP2">Windows Vista Service Pack 2 and all applicable updates are required to install [WixBundleName].
Please &lt;a href="https://www.bing.com/search?q=how%20to%20install%20windows%20vista%20service%20pack%202"&gt;update your machine&lt;/a&gt; and then restart the installation.</String>
<String Id="FailureXPOrEarlier">Windows Vista or later is required to install and use [WixBundleName].
Visit &lt;a href="https://www.python.org/"&gt;python.org&lt;/a&gt; to download Python 3.4.</String>
<String Id="FailureWS2K8R2MissingSP1">Windows Server 2008 R2 Service Pack 1 and all applicable updates are required to install [WixBundleName].
Please &lt;a href="https://www.bing.com/search?q=how%20to%20install%20windows%20server%202008%20r2%20service%20pack%201"&gt;update your machine&lt;/a&gt; and then restart the installation.</String>
<String Id="FailureWS2K8MissingSP2">Windows Server 2008 Service Pack 2 and all applicable updates are required to install [WixBundleName].
Please &lt;a href="https://www.bing.com/search?q=how%20to%20install%20windows%20server%202008%20service%20pack%202"&gt;update your machine&lt;/a&gt; and then restart the installation.</String>
<String Id="FailureWS2K3OrEarlier">Windows Server 2008 SP2 or later is required to install and use [WixBundleName].
Visit &lt;a href="https://www.python.org/"&gt;python.org&lt;/a&gt; to download Python 3.4.</String>
<String Id="FailureOldOS">At least Windows 8.1 or Windows Server 2012 are required to install [WixBundleName]
Visit &lt;a href="https://www.python.org/"&gt;python.org&lt;/a&gt; to download an earlier version of Python.</String>
<String Id="SuccessMaxPathButton">Disable path length limit</String>
<String Id="SuccessMaxPathButtonNote">Changes your machine configuration to allow programs, including Python, to bypass the 260 character "MAX_PATH" limitation.</String>
</WixLocalization>

56
Tools/msi/bundle/bootstrap/PythonBootstrapperApplication.cpp
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@ -3011,65 +3011,35 @@ private:
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Target OS is Windows Server 2012 or later");
return;
} else if (IsWindowsVersionOrGreater(6, 1, 1)) {
HMODULE hKernel32 = GetModuleHandleW(L"kernel32");
if (hKernel32 && !GetProcAddress(hKernel32, "AddDllDirectory")) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows Server 2008 R2 without KB2533623");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "KB2533623 update is required to continue.");
/* The "MissingSP1" error also specifies updates are required */
LocGetString(_wixLoc, L"#(loc.FailureWS2K8R2MissingSP1)", &pLocString);
} else {
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Target OS is Windows Server 2008 R2 or later");
return;
}
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Detected Windows Server 2008 R2");
} else if (IsWindowsVersionOrGreater(6, 1, 0)) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows Server 2008 R2");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Service Pack 1 is required to continue installation");
LocGetString(_wixLoc, L"#(loc.FailureWS2K8R2MissingSP1)", &pLocString);
} else if (IsWindowsVersionOrGreater(6, 0, 2)) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Target OS is Windows Server 2008 SP2 or later");
return;
} else if (IsWindowsVersionOrGreater(6, 0, 0)) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows Server 2008");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Service Pack 2 is required to continue installation");
LocGetString(_wixLoc, L"#(loc.FailureWS2K8MissingSP2)", &pLocString);
} else {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows Server 2003 or earlier");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Windows Server 2008 SP2 or later is required to continue installation");
LocGetString(_wixLoc, L"#(loc.FailureWS2K3OrEarlier)", &pLocString);
}
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Windows Server 2012 or later is required to continue installation");
} else {
if (IsWindows8OrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Target OS is Windows 8 or later");
if (IsWindows10OrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Target OS is Windows 10 or later");
return;
} else if (IsWindows7SP1OrGreater()) {
HMODULE hKernel32 = GetModuleHandleW(L"kernel32");
if (hKernel32 && !GetProcAddress(hKernel32, "AddDllDirectory")) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows 7 SP1 without KB2533623");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "KB2533623 update is required to continue.");
/* The "MissingSP1" error also specifies updates are required */
LocGetString(_wixLoc, L"#(loc.FailureWin7MissingSP1)", &pLocString);
} else {
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Target OS is Windows 7 SP1 or later");
return;
}
} else if (IsWindows8Point1OrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_STANDARD, "Target OS is Windows 8.1");
return;
} else if (IsWindows8OrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows 8");
} else if (IsWindows7OrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows 7 RTM");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Service Pack 1 is required to continue installation");
LocGetString(_wixLoc, L"#(loc.FailureWin7MissingSP1)", &pLocString);
} else if (IsWindowsVistaSP2OrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Target OS is Windows Vista SP2");
return;
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows 7");
} else if (IsWindowsVistaOrGreater()) {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows Vista RTM or SP1");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Service Pack 2 is required to continue installation");
LocGetString(_wixLoc, L"#(loc.FailureVistaMissingSP2)", &pLocString);
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows Vista");
} else {
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Detected Windows XP or earlier");
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Windows Vista SP2 or later is required to continue installation");
LocGetString(_wixLoc, L"#(loc.FailureXPOrEarlier)", &pLocString);
}
BalLog(BOOTSTRAPPER_LOG_LEVEL_ERROR, "Windows 8.1 or later is required to continue installation");
}
LocGetString(_wixLoc, L"#(loc.FailureOldOS)", &pLocString);
if (pLocString && pLocString->wzText) {
BalFormatString(pLocString->wzText, &_failedMessage);
}

4
Tools/msi/bundle/packagegroups/crt.wxs
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@ -4,7 +4,7 @@
<PackageGroup Id="crt">
<MsiPackage Id="ucrt_AllUsers"
SourceFile="ucrt.msi"
Compressed="$(var.CompressMSI)"
Compressed="no"
DownloadUrl="$(var.DownloadUrl)"
ForcePerMachine="yes"
InstallCondition="InstallAllUsers and not CRTInstalled and (Include_core or Include_exe or Include_pip) and not LauncherOnly">
@ -12,7 +12,7 @@
</MsiPackage>
<MsiPackage Id="ucrt_JustForMe"
SourceFile="ucrt.msi"
Compressed="$(var.CompressMSI)"
Compressed="no"
DownloadUrl="$(var.DownloadUrl)"
ForcePerMachine="no"
InstallCondition="not InstallAllUsers and not CRTInstalled and (Include_core or Include_exe or Include_pip) and not LauncherOnly">