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Poodletooth-iLand/panda/direct/showutil/FreezeTool.py

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Initial commit
2015-03-03 16:10:12 -06:00
""" This module contains code to freeze a number of Python modules
into a single (mostly) standalone DLL or EXE. """
import modulefinder
import sys
import os
import marshal
import imp
import platform
import types
from distutils.sysconfig import PREFIX, get_python_inc, get_python_version
# Temporary (?) try..except to protect against unbuilt p3extend_frozen.
try:
import p3extend_frozen
except ImportError:
p3extend_frozen = None
import direct
from pandac.PandaModules import *
from pandac.extension_native_helpers import dll_suffix, dll_ext
import panda3d
# Check to see if we are running python_d, which implies we have a
# debug build, and we have to build the module with debug options.
# This is only relevant on Windows.
# I wonder if there's a better way to determine this?
python = os.path.splitext(os.path.split(sys.executable)[1])[0]
isDebugBuild = (python.lower().endswith('_d'))
# These are modules that Python always tries to import up-front. They
# must be frozen in any main.exe.
startupModules = [
'site', 'sitecustomize', 'os', 'encodings.cp1252',
'org',
]
# These are missing modules that we've reported already this session.
reportedMissing = {}
# Our own Python source trees to watch out for.
sourceTrees = ['direct']
class CompilationEnvironment:
""" Create an instance of this class to record the commands to
invoke the compiler on a given platform. If needed, the caller
can create a custom instance of this class (or simply set the
compile strings directly) to customize the build environment. """
def __init__(self, platform):
self.platform = platform
# The command to compile a c to an object file. Replace %(basename)s
# with the basename of the source file, and an implicit .c extension.
self.compileObj = 'error'
# The command to link a single object file into an executable. As
# above, replace $(basename)s with the basename of the original source
# file, and of the target executable.
self.linkExe = 'error'
# The command to link a single object file into a shared library.
self.linkDll = 'error'
# Paths to Python stuff.
self.Python = None
self.PythonIPath = get_python_inc()
self.PythonVersion = get_python_version()
# The VC directory of Microsoft Visual Studio (if relevant)
self.MSVC = None
# Directory to Windows Platform SDK (if relevant)
self.PSDK = None
# The setting to control release vs. debug builds. Only relevant on
# Windows.
self.MD = None
# Added to the path to the MSVC bin and lib directories on 64-bits Windows.
self.suffix64 = ''
# The _d extension to add to dll filenames on Windows in debug builds.
self.dllext = ''
# Any architecture-specific string.
self.arch = ''
self.determineStandardSetup()
def determineStandardSetup(self):
if self.platform.startswith('win'):
self.Python = PREFIX
if ('VCINSTALLDIR' in os.environ):
self.MSVC = os.environ['VCINSTALLDIR']
elif (Filename('/c/Program Files/Microsoft Visual Studio 9.0/VC').exists()):
self.MSVC = Filename('/c/Program Files/Microsoft Visual Studio 9.0/VC').toOsSpecific()
elif (Filename('/c/Program Files (x86)/Microsoft Visual Studio 9.0/VC').exists()):
self.MSVC = Filename('/c/Program Files (x86)/Microsoft Visual Studio 9.0/VC').toOsSpecific()
elif (Filename('/c/Program Files/Microsoft Visual Studio .NET 2003/Vc7').exists()):
self.MSVC = Filename('/c/Program Files/Microsoft Visual Studio .NET 2003/Vc7').toOsSpecific()
else:
print 'Could not locate Microsoft Visual C++ Compiler! Try running from the Visual Studio Command Prompt.'
sys.exit(1)
if ('WindowsSdkDir' in os.environ):
self.PSDK = os.environ['WindowsSdkDir']
elif (platform.architecture()[0] == '32bit' and Filename('/c/Program Files/Microsoft Platform SDK for Windows Server 2003 R2').exists()):
self.PSDK = Filename('/c/Program Files/Microsoft Platform SDK for Windows Server 2003 R2').toOsSpecific()
elif (os.path.exists(os.path.join(self.MSVC, 'PlatformSDK'))):
self.PSDK = os.path.join(self.MSVC, 'PlatformSDK')
else:
print 'Could not locate the Microsoft Windows Platform SDK! Try running from the Visual Studio Command Prompt.'
sys.exit(1)
# We need to use the correct compiler setting for debug vs. release builds.
self.MD = '/MD'
if isDebugBuild:
self.MD = '/MDd'
self.dllext = '_d'
# MSVC/bin and /lib directories have a different location
# for win64.
if self.platform == 'win_amd64':
self.suffix64 = '\\amd64'
# If it is run by makepanda, it handles the MSVC and PlatformSDK paths itself.
if ('MAKEPANDA' in os.environ):
self.compileObj = 'cl /wd4996 /Fo%(basename)s.obj /nologo /c %(MD)s /Zi /O2 /Ob2 /EHsc /Zm300 /W3 /I"%(pythonIPath)s" %(filename)s'
self.linkExe = 'link /nologo /MAP:NUL /FIXED:NO /OPT:REF /STACK:4194304 /INCREMENTAL:NO /LIBPATH:"%(python)s\libs" /out:%(basename)s.exe %(basename)s.obj'
self.linkDll = 'link /nologo /DLL /MAP:NUL /FIXED:NO /OPT:REF /INCREMENTAL:NO /LIBPATH:"%(python)s\libs" /out:%(basename)s%(dllext)s.pyd %(basename)s.obj'
else:
os.environ['PATH'] += ';' + self.MSVC + '\\bin' + self.suffix64 + ';' + self.MSVC + '\\Common7\\IDE;' + self.PSDK + '\\bin'
self.compileObj = 'cl /wd4996 /Fo%(basename)s.obj /nologo /c %(MD)s /Zi /O2 /Ob2 /EHsc /Zm300 /W3 /I"%(pythonIPath)s" /I"%(PSDK)s\include" /I"%(MSVC)s\include" %(filename)s'
self.linkExe = 'link /nologo /MAP:NUL /FIXED:NO /OPT:REF /STACK:4194304 /INCREMENTAL:NO /LIBPATH:"%(PSDK)s\lib" /LIBPATH:"%(MSVC)s\\lib%(suffix64)s" /LIBPATH:"%(python)s\libs" /out:%(basename)s.exe %(basename)s.obj'
self.linkDll = 'link /nologo /DLL /MAP:NUL /FIXED:NO /OPT:REF /INCREMENTAL:NO /LIBPATH:"%(PSDK)s\lib" /LIBPATH:"%(MSVC)s\\lib%(suffix64)s" /LIBPATH:"%(python)s\libs" /out:%(basename)s%(dllext)s.pyd %(basename)s.obj'
elif self.platform.startswith('osx_'):
# OSX
proc = self.platform.split('_', 1)[1]
if proc == 'i386':
self.arch = '-arch i386'
elif proc == 'ppc':
self.arch = '-arch ppc'
elif proc == 'x86_64':
self.arch = '-arch x86_x64'
self.compileObj = "gcc -fPIC -c %(arch)s -o %(basename)s.o -O2 -I%(pythonIPath)s %(filename)s"
self.linkExe = "gcc %(arch)s -o %(basename)s %(basename)s.o -framework Python"
self.linkDll = "gcc %(arch)s -undefined dynamic_lookup -bundle -o %(basename)s.so %(basename)s.o"
else:
# Unix
self.compileObj = "gcc -fPIC -c -o %(basename)s.o -O2 %(filename)s -I%(pythonIPath)s"
self.linkExe = "gcc -o %(basename)s %(basename)s.o -L/usr/local/lib -lpython%(pythonVersion)s"
self.linkDll = "gcc -shared -o %(basename)s.so %(basename)s.o -L/usr/local/lib -lpython%(pythonVersion)s"
if (os.path.isdir("/usr/PCBSD/local/lib")):
self.linkExe += " -L/usr/PCBSD/local/lib"
self.linkDll += " -L/usr/PCBSD/local/lib"
def compileExe(self, filename, basename):
compile = self.compileObj % {
'python' : self.Python,
'MSVC' : self.MSVC,
'PSDK' : self.PSDK,
'suffix64' : self.suffix64,
'MD' : self.MD,
'pythonIPath' : self.PythonIPath,
'pythonVersion' : self.PythonVersion,
'arch' : self.arch,
'filename' : filename,
'basename' : basename,
}
print >> sys.stderr, compile
if os.system(compile) != 0:
raise StandardError, 'failed to compile %s.' % basename
link = self.linkExe % {
'python' : self.Python,
'MSVC' : self.MSVC,
'PSDK' : self.PSDK,
'suffix64' : self.suffix64,
'pythonIPath' : self.PythonIPath,
'pythonVersion' : self.PythonVersion,
'arch' : self.arch,
'filename' : filename,
'basename' : basename,
}
print >> sys.stderr, link
if os.system(link) != 0:
raise StandardError, 'failed to link %s.' % basename
def compileDll(self, filename, basename):
compile = self.compileObj % {
'python' : self.Python,
'MSVC' : self.MSVC,
'PSDK' : self.PSDK,
'suffix64' : self.suffix64,
'MD' : self.MD,
'pythonIPath' : self.PythonIPath,
'pythonVersion' : self.PythonVersion,
'arch' : self.arch,
'filename' : filename,
'basename' : basename,
}
print >> sys.stderr, compile
if os.system(compile) != 0:
raise StandardError, 'failed to compile %s.' % basename
link = self.linkDll % {
'python' : self.Python,
'MSVC' : self.MSVC,
'PSDK' : self.PSDK,
'suffix64' : self.suffix64,
'pythonIPath' : self.PythonIPath,
'pythonVersion' : self.PythonVersion,
'arch' : self.arch,
'filename' : filename,
'basename' : basename,
'dllext' : self.dllext,
}
print >> sys.stderr, link
if os.system(link) != 0:
raise StandardError, 'failed to link %s.' % basename
# The code from frozenmain.c in the Python source repository.
frozenMainCode = """
/* Python interpreter main program for frozen scripts */
#include "Python.h"
#ifdef MS_WINDOWS
extern void PyWinFreeze_ExeInit(void);
extern void PyWinFreeze_ExeTerm(void);
extern int PyInitFrozenExtensions(void);
#endif
/* Main program */
int
Py_FrozenMain(int argc, char **argv)
{
char *p;
int n, sts;
int inspect = 0;
int unbuffered = 0;
Py_FrozenFlag = 1; /* Suppress errors from getpath.c */
if ((p = Py_GETENV("PYTHONINSPECT")) && *p != '\\0')
inspect = 1;
if ((p = Py_GETENV("PYTHONUNBUFFERED")) && *p != '\\0')
unbuffered = 1;
if (unbuffered) {
setbuf(stdin, (char *)NULL);
setbuf(stdout, (char *)NULL);
setbuf(stderr, (char *)NULL);
}
#ifdef MS_WINDOWS
PyInitFrozenExtensions();
#endif /* MS_WINDOWS */
Py_SetProgramName(argv[0]);
Py_Initialize();
#ifdef MS_WINDOWS
PyWinFreeze_ExeInit();
#endif
if (Py_VerboseFlag)
fprintf(stderr, "Python %s\\n%s\\n",
Py_GetVersion(), Py_GetCopyright());
PySys_SetArgv(argc, argv);
n = PyImport_ImportFrozenModule("__main__");
if (n == 0)
Py_FatalError("__main__ not frozen");
if (n < 0) {
PyErr_Print();
sts = 1;
}
else
sts = 0;
if (inspect && isatty((int)fileno(stdin)))
sts = PyRun_AnyFile(stdin, "<stdin>") != 0;
#ifdef MS_WINDOWS
PyWinFreeze_ExeTerm();
#endif
Py_Finalize();
return sts;
}
"""
# The code from frozen_dllmain.c in the Python source repository.
# Windows only.
frozenDllMainCode = """
#include "windows.h"
static char *possibleModules[] = {
"pywintypes",
"pythoncom",
"win32ui",
NULL,
};
BOOL CallModuleDllMain(char *modName, DWORD dwReason);
/*
Called by a frozen .EXE only, so that built-in extension
modules are initialized correctly
*/
void PyWinFreeze_ExeInit(void)
{
char **modName;
for (modName = possibleModules;*modName;*modName++) {
/* printf("Initialising '%s'\\n", *modName); */
CallModuleDllMain(*modName, DLL_PROCESS_ATTACH);
}
}
/*
Called by a frozen .EXE only, so that built-in extension
modules are cleaned up
*/
void PyWinFreeze_ExeTerm(void)
{
// Must go backwards
char **modName;
for (modName = possibleModules+(sizeof(possibleModules) / sizeof(char *))-2;
modName >= possibleModules;
*modName--) {
/* printf("Terminating '%s'\\n", *modName);*/
CallModuleDllMain(*modName, DLL_PROCESS_DETACH);
}
}
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpReserved)
{
BOOL ret = TRUE;
switch (dwReason) {
case DLL_PROCESS_ATTACH:
{
char **modName;
for (modName = possibleModules;*modName;*modName++) {
BOOL ok = CallModuleDllMain(*modName, dwReason);
if (!ok)
ret = FALSE;
}
break;
}
case DLL_PROCESS_DETACH:
{
// Must go backwards
char **modName;
for (modName = possibleModules+(sizeof(possibleModules) / sizeof(char *))-2;
modName >= possibleModules;
*modName--)
CallModuleDllMain(*modName, DLL_PROCESS_DETACH);
break;
}
}
return ret;
}
BOOL CallModuleDllMain(char *modName, DWORD dwReason)
{
BOOL (WINAPI * pfndllmain)(HINSTANCE, DWORD, LPVOID);
char funcName[255];
HMODULE hmod = GetModuleHandle(NULL);
strcpy(funcName, "_DllMain");
strcat(funcName, modName);
strcat(funcName, "@12"); // stdcall convention.
pfndllmain = (BOOL (WINAPI *)(HINSTANCE, DWORD, LPVOID))GetProcAddress(hmod, funcName);
if (pfndllmain==NULL) {
/* No function by that name exported - then that module does
not appear in our frozen program - return OK
*/
return TRUE;
}
return (*pfndllmain)(hmod, dwReason, NULL);
}
"""
# Our own glue code to start up a Python executable.
mainInitCode = """
%(frozenMainCode)s
int
main(int argc, char *argv[]) {
PyImport_FrozenModules = _PyImport_FrozenModules;
return Py_FrozenMain(argc, argv);
}
"""
# Our own glue code to start up a Python shared library.
dllInitCode = """
static PyMethodDef nullMethods[] = {
{NULL, NULL}
};
/*
* Call this function to extend the frozen modules array with a new
* array of frozen modules, provided in a C-style array, at runtime.
* Returns the total number of frozen modules.
*/
static int
extend_frozen_modules(const struct _frozen *new_modules, int new_count) {
int orig_count;
struct _frozen *realloc_FrozenModules;
/* First, count the number of frozen modules we had originally. */
orig_count = 0;
while (PyImport_FrozenModules[orig_count].name != NULL) {
++orig_count;
}
if (new_count == 0) {
/* Trivial no-op. */
return orig_count;
}
/* Reallocate the PyImport_FrozenModules array bigger to make room
for the additional frozen modules. We just leak the original
array; it's too risky to try to free it. */
realloc_FrozenModules = (struct _frozen *)malloc((orig_count + new_count + 1) * sizeof(struct _frozen));
/* The new frozen modules go at the front of the list. */
memcpy(realloc_FrozenModules, new_modules, new_count * sizeof(struct _frozen));
/* Then the original set of frozen modules. */
memcpy(realloc_FrozenModules + new_count, PyImport_FrozenModules, orig_count * sizeof(struct _frozen));
/* Finally, a single 0-valued entry marks the end of the array. */
memset(realloc_FrozenModules + orig_count + new_count, 0, sizeof(struct _frozen));
/* Assign the new pointer. */
PyImport_FrozenModules = realloc_FrozenModules;
return orig_count + new_count;
}
%(dllexport)svoid init%(moduleName)s() {
extend_frozen_modules(_PyImport_FrozenModules, %(newcount)s);
Py_InitModule("%(moduleName)s", nullMethods);
}
"""
programFile = """
#include "Python.h"
#ifdef _WIN32
#include "malloc.h"
#endif
%(moduleDefs)s
static struct _frozen _PyImport_FrozenModules[] = {
%(moduleList)s
{NULL, NULL, 0}
};
%(initCode)s
"""
# Windows needs this bit.
frozenExtensions = """
static struct _inittab extensions[] = {
/* Sentinel */
{0, 0}
};
extern DL_IMPORT(int) PyImport_ExtendInittab(struct _inittab *newtab);
int PyInitFrozenExtensions()
{
return PyImport_ExtendInittab(extensions);
}
"""
okMissing = [
'Carbon.Folder', 'Carbon.Folders', 'HouseGlobals', 'Carbon.File',
'MacOS', '_emx_link', 'ce', 'mac', 'org.python.core', 'os.path',
'os2', 'posix', 'pwd', 'readline', 'riscos', 'riscosenviron',
'riscospath', 'dbm', 'fcntl', 'win32api',
'_winreg', 'ctypes', 'ctypes.wintypes', 'nt','msvcrt',
'EasyDialogs', 'SOCKS', 'ic', 'rourl2path', 'termios',
'OverrideFrom23._Res', 'email', 'email.Utils', 'email.Generator',
'email.Iterators', '_subprocess', 'gestalt',
'direct.extensions_native.extensions_darwin',
]
class Freezer:
class ModuleDef:
def __init__(self, moduleName, filename = None,
implicit = False, guess = False,
exclude = False, forbid = False,
allowChildren = False, fromSource = None):
# The Python module name.
self.moduleName = moduleName
# The file on disk it was loaded from, if any.
self.filename = filename
if isinstance(filename, types.StringTypes):
self.filename = Filename(filename)
# True if the module was found via the modulefinder.
self.implicit = implicit
# True if the moduleName might refer to some Python object
# other than a module, in which case the module should be
# ignored.
self.guess = guess
# True if the module should *not* be included in the
# generated output.
self.exclude = exclude
# True if the module should never be allowed, even if it
# exists at runtime.
self.forbid = forbid
# True if excluding the module still allows its children
# to be included. This only makes sense if the module
# will exist at runtime through some other means
# (e.g. from another package).
self.allowChildren = allowChildren
# Additional black-box information about where this module
# record came from, supplied by the caller.
self.fromSource = fromSource
# Some sanity checks.
if not self.exclude:
self.allowChildren = True
if self.forbid:
self.exclude = True
self.allowChildren = False
def __repr__(self):
args = [repr(self.moduleName), repr(self.filename)]
if self.implicit:
args.append('implicit = True')
if self.guess:
args.append('guess = True')
if self.exclude:
args.append('exclude = True')
if self.forbid:
args.append('forbid = True')
if self.allowChildren:
args.append('allowChildren = True')
return 'ModuleDef(%s)' % (', '.join(args))
def __init__(self, previous = None, debugLevel = 0,
platform = None):
# Normally, we are freezing for our own platform. Change this
# if untrue.
self.platform = platform or PandaSystem.getPlatform()
# This is the compilation environment. Fill in your own
# object here if you have custom needs (for instance, for a
# cross-compiler or something). If this is None, then a
# default object will be created when it is needed.
self.cenv = None
# The filename extension to append to the source file before
# compiling.
self.sourceExtension = '.c'
# The filename extension to append to the object file.
self.objectExtension = '.o'
if self.platform.startswith('win'):
self.objectExtension = '.obj'
# Change any of these to change the generated startup and glue
# code.
self.frozenMainCode = frozenMainCode
self.frozenDllMainCode = frozenDllMainCode
self.mainInitCode = mainInitCode
self.frozenExtensions = frozenExtensions
# Set this true to encode Python files in a Multifile as their
# original source if possible, or false to encode them as
# compiled pyc or pyo files. This has no effect on frozen exe
# or dll's; those are always stored with compiled code.
self.storePythonSource = False
# This list will be filled in by generateCode() or
# addToMultifile(). It contains a list of all the extension
# modules that were discovered, which have not been added to
# the output. The list is a list of tuples of the form
# (moduleName, filename).
self.extras = []
# End of public interface. These remaining members should not
# be directly manipulated by callers.
self.previousModules = {}
self.modules = {}
if previous:
self.previousModules = dict(previous.modules)
self.modules = dict(previous.modules)
self.mf = None
# Make sure we know how to find "direct".
for sourceTree in sourceTrees:
try:
module = __import__(sourceTree)
except:
pass
# Actually, make sure we know how to find all of the
# already-imported modules. (Some of them might do their own
# special path mangling.)
for moduleName, module in sys.modules.items():
if module and hasattr(module, '__path__'):
path = getattr(module, '__path__')
modulefinder.AddPackagePath(moduleName, path[0])
def excludeFrom(self, freezer):
""" Excludes all modules that have already been processed by
the indicated FreezeTool. This is equivalent to passing the
indicated FreezeTool object as previous to this object's
constructor, but it may be called at any point during
processing. """
for key, value in freezer.modules.items():
self.previousModules[key] = value
self.modules[key] = value
def excludeModule(self, moduleName, forbid = False, allowChildren = False,
fromSource = None):
""" Adds a module to the list of modules not to be exported by
this tool. If forbid is true, the module is furthermore
forbidden to be imported, even if it exists on disk. If
allowChildren is true, the children of the indicated module
may still be included."""
assert self.mf == None
self.modules[moduleName] = self.ModuleDef(
moduleName, exclude = True,
forbid = forbid, allowChildren = allowChildren,
fromSource = fromSource)
def handleCustomPath(self, moduleName):
""" Indicates a module that may perform runtime manipulation
of its __path__ variable, and which must therefore be actually
imported at runtime in order to determine the true value of
__path__. """
str = 'import %s' % (moduleName)
exec(str)
module = sys.modules[moduleName]
for path in module.__path__:
modulefinder.AddPackagePath(moduleName, path)
def getModulePath(self, moduleName):
""" Looks for the indicated directory module and returns the
__path__ member: the list of directories in which its python
files can be found. If the module is a .py file and not a
directory, returns None. """
# First, try to import the module directly. That's the most
# reliable answer, if it works.
try:
module = __import__(moduleName)
except:
print "couldn't import %s" % (moduleName)
module = None
if module != None:
for symbol in moduleName.split('.')[1:]:
module = getattr(module, symbol)
if hasattr(module, '__path__'):
return module.__path__
# If it didn't work--maybe the module is unimportable because
# it makes certain assumptions about the builtins, or
# whatever--then just look for file on disk. That's usually
# good enough.
path = None
baseName = moduleName
if '.' in baseName:
parentName, baseName = moduleName.rsplit('.', 1)
path = self.getModulePath(parentName)
if path == None:
return None
try:
file, pathname, description = imp.find_module(baseName, path)
except ImportError:
return None
if not os.path.isdir(pathname):
return None
return [pathname]
def getModuleStar(self, moduleName):
""" Looks for the indicated directory module and returns the
__all__ member: the list of symbols within the module. """
# First, try to import the module directly. That's the most
# reliable answer, if it works.
try:
module = __import__(moduleName)
except:
print "couldn't import %s" % (moduleName)
module = None
if module != None:
for symbol in moduleName.split('.')[1:]:
module = getattr(module, symbol)
if hasattr(module, '__all__'):
return module.__all__
# If it didn't work, just open the directory and scan for *.py
# files.
path = None
baseName = moduleName
if '.' in baseName:
parentName, baseName = moduleName.rsplit('.', 1)
path = self.getModulePath(parentName)
if path == None:
return None
try:
file, pathname, description = imp.find_module(baseName, path)
except ImportError:
return None
if not os.path.isdir(pathname):
return None
# Scan the directory, looking for .py files.
modules = []
for basename in os.listdir(pathname):
if basename.endswith('.py') and basename != '__init__.py':
modules.append(basename[:-3])
return modules
def addModule(self, moduleName, implicit = False, newName = None,
filename = None, guess = False, fromSource = None):
""" Adds a module to the list of modules to be exported by
this tool. If implicit is true, it is OK if the module does
not actually exist.
newName is the name to call the module when it appears in the
output. The default is the same name it had in the original.
Use caution when renaming a module; if another module imports
this module by its original name, you will also need to
explicitly add the module under its original name, duplicating
the module twice in the output.
The module name may end in ".*", which means to add all of the
.py files (other than __init__.py) in a particular directory.
It may also end in ".*.*", which means to cycle through all
directories within a particular directory.
"""
assert self.mf == None
if not newName:
newName = moduleName
if moduleName.endswith('.*'):
assert(newName.endswith('.*'))
# Find the parent module, so we can get its directory.
parentName = moduleName[:-2]
newParentName = newName[:-2]
parentNames = [(parentName, newParentName)]
if parentName.endswith('.*'):
assert(newParentName.endswith('.*'))
# Another special case. The parent name "*" means to
# return all possible directories within a particular
# directory.
topName = parentName[:-2]
newTopName = newParentName[:-2]
parentNames = []
modulePath = self.getModulePath(topName)
if modulePath:
for dirname in modulePath:
for basename in os.listdir(dirname):
if os.path.exists(os.path.join(dirname, basename, '__init__.py')):
parentName = '%s.%s' % (topName, basename)
newParentName = '%s.%s' % (newTopName, basename)
if self.getModulePath(parentName):
parentNames.append((parentName, newParentName))
for parentName, newParentName in parentNames:
modules = self.getModuleStar(parentName)
if modules == None:
# It's actually a regular module.
self.modules[newParentName] = self.ModuleDef(
parentName, implicit = implicit, guess = guess,
fromSource = fromSource)
else:
# Now get all the py files in the parent directory.
for basename in modules:
moduleName = '%s.%s' % (parentName, basename)
newName = '%s.%s' % (newParentName, basename)
mdef = self.ModuleDef(
moduleName, implicit = implicit, guess = True,
fromSource = fromSource)
self.modules[newName] = mdef
else:
# A normal, explicit module name.
self.modules[newName] = self.ModuleDef(
moduleName, filename = filename, implicit = implicit,
guess = guess, fromSource = fromSource)
def done(self, compileToExe = False):
""" Call this method after you have added all modules with
addModule(). You may then call generateCode() or
writeMultifile() to dump the resulting output. After a call
to done(), you may not add any more modules until you call
reset(). """
assert self.mf == None
# If we are building an exe, we also need to implicitly
# bring in Python's startup modules.
if compileToExe:
for moduleName in startupModules:
if moduleName not in self.modules:
self.modules[moduleName] = self.ModuleDef(moduleName, implicit = True)
# Excluding a parent module also excludes all its
# (non-explicit) children, unless the parent has allowChildren
# set.
# Walk through the list in sorted order, so we reach parents
# before children.
names = self.modules.items()
names.sort()
excludeDict = {}
implicitParentDict = {}
includes = []
autoIncludes = []
origToNewName = {}
for newName, mdef in names:
moduleName = mdef.moduleName
origToNewName[moduleName] = newName
if mdef.implicit and '.' in newName:
# For implicit modules, check if the parent is excluded.
parentName, baseName = newName.rsplit('.', 1)
if parentName in excludeDict :
mdef = excludeDict[parentName]
if mdef.exclude:
if not mdef.allowChildren:
excludeDict[moduleName] = mdef
elif mdef.implicit or mdef.guess:
autoIncludes.append(mdef)
else:
includes.append(mdef)
self.mf = PandaModuleFinder(excludes = excludeDict.keys())
# Attempt to import the explicit modules into the modulefinder.
# First, ensure the includes are sorted in order so that
# packages appear before the modules they contain. This
# resolves potential ordering issues, especially with modules
# that are discovered by filename rather than through import
# statements.
includes.sort(key = self.__sortModuleKey)
# Now walk through the list and import them all.
for mdef in includes:
try:
self.__loadModule(mdef)
except ImportError:
print "Unknown module: %s" % (mdef.moduleName)
# Also attempt to import any implicit modules. If any of
# these fail to import, we don't really care.
for mdef in autoIncludes:
try:
self.__loadModule(mdef)
# Since it successfully loaded, it's no longer a guess.
mdef.guess = False
except:
# Something went wrong, guess it's not an importable
# module.
pass
# Now, any new modules we found get added to the export list.
for origName in self.mf.modules.keys():
if origName not in origToNewName:
self.modules[origName] = self.ModuleDef(origName, implicit = True)
missing = []
for origName in self.mf.any_missing_maybe()[0]:
if origName in startupModules:
continue
if origName in self.previousModules:
continue
if origName in self.modules:
continue
# This module is missing. Let it be missing in the
# runtime also.
self.modules[origName] = self.ModuleDef(origName, exclude = True,
implicit = True)
if origName in okMissing:
# If it's listed in okMissing, don't even report it.
continue
prefix = origName.split('.')[0]
if origName not in reportedMissing:
missing.append(origName)
reportedMissing[origName] = True
if missing:
missing.sort()
print "There are some missing modules: %r" % missing
def __sortModuleKey(self, mdef):
""" A sort key function to sort a list of mdef's into order,
primarily to ensure that packages proceed their modules. """
if mdef.moduleName:
# If we have a moduleName, the key consists of the split
# tuple of packages names. That way, parents always sort
# before children.
return ('a', mdef.moduleName.split('.'))
else:
# If we don't have a moduleName, the key doesn't really
# matter--we use filename--but we start with 'b' to ensure
# that all of non-named modules appear following all of
# the named modules.
return ('b', mdef.filename)
def __loadModule(self, mdef):
""" Adds the indicated module to the modulefinder. """
if mdef.filename:
# If it has a filename, then we found it as a file on
# disk. In this case, the moduleName may not be accurate
# and useful, so load it as a file instead.
tempPath = None
if '.' not in mdef.moduleName:
# If we loaded a python file from the root, we need to
# temporarily add its directory to the module search
# path, so the modulefinder can find any sibling
# python files it imports as well.
tempPath = Filename(mdef.filename.getDirname()).toOsSpecific()
self.mf.path.append(tempPath)
pathname = mdef.filename.toOsSpecific()
ext = mdef.filename.getExtension()
if ext == 'pyc' or ext == 'pyo':
fp = open(pathname, 'rb')
stuff = ("", "rb", imp.PY_COMPILED)
self.mf.load_module(mdef.moduleName, fp, pathname, stuff)
else:
fp = open(pathname, modulefinder.READ_MODE)
stuff = ("", "r", imp.PY_SOURCE)
self.mf.load_module(mdef.moduleName, fp, pathname, stuff)
if tempPath:
del self.mf.path[-1]
else:
# Otherwise, we can just import it normally.
self.mf.import_hook(mdef.moduleName)
def reset(self):
""" After a previous call to done(), this resets the
FreezeTool object for a new pass. More modules may be added
and dumped to a new target. Previously-added modules are
remembered and will not be dumped again. """
self.mf = None
self.previousModules = dict(self.modules)
def mangleName(self, moduleName):
return 'M_' + moduleName.replace('.', '__').replace('-', '_')
def getAllModuleNames(self):
""" Return a list of all module names that have been included
or forbidden, either in this current pass or in a previous
pass. Module names that have been excluded are not included
in this list. """
moduleNames = []
for newName, mdef in self.modules.items():
if mdef.guess:
# Not really a module.
pass
elif mdef.exclude and not mdef.forbid:
# An excluded (but not forbidden) file.
pass
else:
moduleNames.append(newName)
moduleNames.sort()
return moduleNames
def getModuleDefs(self):
""" Return a list of all of the modules we will be explicitly
or implicitly including. The return value is actually a list
of tuples: (moduleName, moduleDef)."""
moduleDefs = []
for newName, mdef in self.modules.items():
prev = self.previousModules.get(newName, None)
if not mdef.exclude:
# Include this module (even if a previous pass
# excluded it). But don't bother if we exported it
# previously.
if prev and not prev.exclude:
# Previously exported.
pass
elif mdef.moduleName in self.mf.modules or \
mdef.moduleName in startupModules or \
mdef.filename:
moduleDefs.append((newName, mdef))
elif mdef.forbid:
if not prev or not prev.forbid:
moduleDefs.append((newName, mdef))
moduleDefs.sort()
return moduleDefs
def __replacePaths(self):
# Build up the replacement pathname table, so we can eliminate
# the personal information in the frozen pathnames. The
# actual filename we put in there is meaningful only for stack
# traces, so we'll just use the module name.
replace_paths = []
for moduleName, module in self.mf.modules.items():
if module.__code__:
origPathname = module.__code__.co_filename
replace_paths.append((origPathname, moduleName))
self.mf.replace_paths = replace_paths
# Now that we have built up the replacement mapping, go back
# through and actually replace the paths.
for moduleName, module in self.mf.modules.items():
if module.__code__:
co = self.mf.replace_paths_in_code(module.__code__)
module.__code__ = co;
def __addPyc(self, multifile, filename, code, compressionLevel):
if code:
data = imp.get_magic() + '\0\0\0\0' + \
marshal.dumps(code)
stream = StringStream(data)
multifile.addSubfile(filename, stream, compressionLevel)
multifile.flush()
def __addPythonDirs(self, multifile, moduleDirs, dirnames, compressionLevel):
""" Adds all of the names on dirnames as a module directory. """
if not dirnames:
return
str = '.'.join(dirnames)
if str not in moduleDirs:
# Add an implicit __init__.py file (but only if there's
# not already a legitimate __init__.py file).
moduleName = '.'.join(dirnames)
filename = '/'.join(dirnames) + '/__init__'
if self.storePythonSource:
filename += '.py'
stream = StringStream('')
if multifile.findSubfile(filename) < 0:
multifile.addSubfile(filename, stream, 0)
multifile.flush()
else:
if __debug__:
filename += '.pyc'
else:
filename += '.pyo'
if multifile.findSubfile(filename) < 0:
code = compile('', moduleName, 'exec')
self.__addPyc(multifile, filename, code, compressionLevel)
moduleDirs[str] = True
self.__addPythonDirs(multifile, moduleDirs, dirnames[:-1], compressionLevel)
def __addPythonFile(self, multifile, moduleDirs, moduleName, mdef,
compressionLevel):
""" Adds the named module to the multifile as a .pyc file. """
# First, split the module into its subdirectory names.
dirnames = moduleName.split('.')
if len(dirnames) > 1 and dirnames[-1] == '__init__':
# The "module" may end in __init__, but that really means
# the parent directory.
dirnames = dirnames[:-1]
self.__addPythonDirs(multifile, moduleDirs, dirnames[:-1], compressionLevel)
filename = '/'.join(dirnames)
module = self.mf.modules.get(mdef.moduleName, None)
if getattr(module, '__path__', None) is not None or \
(getattr(module, '__file__', None) is not None and getattr(module, '__file__').endswith('/__init__.py')):
# It's actually a package. In this case, we really write
# the file moduleName/__init__.py.
filename += '/__init__'
moduleDirs[moduleName] = True
# Ensure we don't have an implicit filename from above.
multifile.removeSubfile(filename + '.py')
if __debug__:
multifile.removeSubfile(filename + '.pyc')
else:
multifile.removeSubfile(filename + '.pyo')
# Attempt to add the original source file if we can.
sourceFilename = None
if mdef.filename and mdef.filename.getExtension() == "py":
sourceFilename = mdef.filename
elif getattr(module, '__file__', None):
sourceFilename = Filename.fromOsSpecific(module.__file__)
sourceFilename.setExtension("py")
if self.storePythonSource:
if sourceFilename and sourceFilename.exists():
filename += '.py'
multifile.addSubfile(filename, sourceFilename, compressionLevel)
return
# If we can't find the source file, add the compiled pyc instead.
if __debug__:
filename += '.pyc'
else:
filename += '.pyo'
code = None
if module:
# Get the compiled code directly from the module object.
code = getattr(module, "__code__", None)
if not code:
# This is a module with no associated Python
# code. It must be an extension module. Get the
# filename.
extensionFilename = getattr(module, '__file__', None)
if extensionFilename:
self.extras.append((moduleName, extensionFilename))
else:
# It doesn't even have a filename; it must
# be a built-in module. No worries about
# this one, then.
pass
else:
# Read the code from the source file and compile it on-the-fly.
if sourceFilename and sourceFilename.exists():
source = open(sourceFilename.toOsSpecific(), 'r').read()
if source and source[-1] != '\n':
source = source + '\n'
code = compile(source, sourceFilename.cStr(), 'exec')
self.__addPyc(multifile, filename, code, compressionLevel)
def addToMultifile(self, multifile, compressionLevel = 0):
""" After a call to done(), this stores all of the accumulated
python code into the indicated Multifile. Additional
extension modules are listed in self.extras. """
moduleDirs = {}
for moduleName, mdef in self.getModuleDefs():
if not mdef.exclude:
self.__addPythonFile(multifile, moduleDirs, moduleName, mdef,
compressionLevel)
def writeMultifile(self, mfname):
""" After a call to done(), this stores all of the accumulated
python code into a Multifile with the indicated filename,
including the extension. Additional extension modules are
listed in self.extras."""
self.__replacePaths()
Filename(mfname).unlink()
multifile = Multifile()
if not multifile.openReadWrite(mfname):
raise StandardError
self.addToMultifile(multifile)
multifile.flush()
multifile.repack()
def generateCode(self, basename, compileToExe = False):
""" After a call to done(), this freezes all of the
accumulated python code into either an executable program (if
compileToExe is true) or a dynamic library (if compileToExe is
false). The basename is the name of the file to write,
without the extension.
The return value is the newly-generated filename, including
the filename extension. Additional extension modules are
listed in self.extras. """
if compileToExe:
# We must have a __main__ module to make an exe file.
if not self.__writingModule('__main__'):
message = "Can't generate an executable without a __main__ module."
raise StandardError, message
self.__replacePaths()
# Now generate the actual export table.
moduleDefs = []
moduleList = []
for moduleName, mdef in self.getModuleDefs():
origName = mdef.moduleName
if mdef.forbid:
# Explicitly disallow importing this module.
moduleList.append(self.makeForbiddenModuleListEntry(moduleName))
else:
assert not mdef.exclude
# Allow importing this module.
module = self.mf.modules.get(origName, None)
code = getattr(module, "__code__", None)
if not code and moduleName in startupModules:
# Forbid the loading of this startup module.
moduleList.append(self.makeForbiddenModuleListEntry(moduleName))
else:
if origName in sourceTrees:
# This is one of Panda3D's own Python source
# trees. These are a special case: we don't
# compile the __init__.py files within them,
# since their only purpose is to munge the
# __path__ variable anyway. Instead, we
# pretend the __init__.py files are empty.
code = compile('', moduleName, 'exec')
if code:
code = marshal.dumps(code)
mangledName = self.mangleName(moduleName)
moduleDefs.append(self.makeModuleDef(mangledName, code))
moduleList.append(self.makeModuleListEntry(mangledName, code, moduleName, module))
else:
# This is a module with no associated Python
# code. It must be an extension module. Get the
# filename.
extensionFilename = getattr(module, '__file__', None)
if extensionFilename:
self.extras.append((moduleName, extensionFilename))
else:
# It doesn't even have a filename; it must
# be a built-in module. No worries about
# this one, then.
pass
filename = basename + self.sourceExtension
dllexport = ''
dllimport = ''
if self.platform.startswith('win'):
dllexport = '__declspec(dllexport) '
dllimport = '__declspec(dllimport) '
if not self.cenv:
self.cenv = CompilationEnvironment(platform = self.platform)
if compileToExe:
code = self.frozenMainCode
if self.platform.startswith('win'):
code += self.frozenDllMainCode
initCode = self.mainInitCode % {
'frozenMainCode' : code,
'programName' : os.path.basename(basename),
'dllexport' : dllexport,
'dllimport' : dllimport,
}
if self.platform.startswith('win'):
initCode += self.frozenExtensions
target = basename + '.exe'
else:
target = basename
compileFunc = self.cenv.compileExe
else:
if self.platform.startswith('win'):
target = basename + self.cenv.dllext + '.pyd'
else:
target = basename + '.so'
initCode = dllInitCode % {
'moduleName' : os.path.basename(basename),
'newcount' : len(moduleList),
'dllexport' : dllexport,
'dllimport' : dllimport,
}
compileFunc = self.cenv.compileDll
text = programFile % {
'moduleDefs' : '\n'.join(moduleDefs),
'moduleList' : '\n'.join(moduleList),
'initCode' : initCode,
}
file = open(filename, 'w')
file.write(text)
file.close()
try:
compileFunc(filename, basename)
finally:
if (os.path.exists(filename)):
os.unlink(filename)
if (os.path.exists(basename + self.objectExtension)):
os.unlink(basename + self.objectExtension)
return target
def makeModuleDef(self, mangledName, code):
result = ''
result += 'static unsigned char %s[] = {' % (mangledName)
for i in range(0, len(code), 16):
result += '\n '
for c in code[i:i+16]:
result += ('%d,' % ord(c))
result += '\n};\n'
return result
def makeModuleListEntry(self, mangledName, code, moduleName, module):
size = len(code)
if getattr(module, "__path__", None):
# Indicate package by negative size
size = -size
return ' {"%s", %s, %s},' % (moduleName, mangledName, size)
def makeForbiddenModuleListEntry(self, moduleName):
return ' {"%s", NULL, 0},' % (moduleName)
def __writingModule(self, moduleName):
""" Returns true if we are outputting the named module in this
pass, false if we have already output in a previous pass, or
if it is not yet on the output table. """
mdef = self.modules.get(moduleName, (None, None))
if mdef.exclude:
return False
if moduleName in self.previousModules:
return False
return True
class PandaModuleFinder(modulefinder.ModuleFinder):
""" We subclass ModuleFinder here, to add functionality for
finding the libpandaexpress etc. modules that interrogate
produces. """
def __init__(self, *args, **kw):
modulefinder.ModuleFinder.__init__(self, *args, **kw)
def import_module(self, partname, fqname, parent):
if parent and parent.__name__ == 'panda3d':
# A special case: map a reference to the "panda3d.blah"
# module into the appropriate Panda3D dll.
m = getattr(panda3d, partname, None)
if m:
libname = m.__libraries__[-1]
partname = libname
fqname = libname
parent = None
return modulefinder.ModuleFinder.import_module(self, partname, fqname, parent)
def find_module(self, name, path, parent=None):
try:
return modulefinder.ModuleFinder.find_module(self, name, path, parent = parent)
except ImportError:
# It wasn't found through the normal channels. Maybe it's
# one of ours, or maybe it's frozen?
if path:
# Only if we're not looking on a particular path,
# though.
raise
if p3extend_frozen and p3extend_frozen.is_frozen_module(name):
# It's a frozen module.
return (None, name, ('', '', imp.PY_FROZEN))
# Look for a dtool extension. This loop is roughly lifted
# from extension_native_helpers.Dtool_PreloadDLL().
filename = name + dll_suffix + dll_ext
for dir in sys.path + [sys.prefix]:
lib = os.path.join(dir, filename)
if os.path.exists(lib):
file = open(lib, 'rb')
return (file, lib, (dll_ext, 'rb', imp.C_EXTENSION))
message = "DLL loader cannot find %s." % (name)
raise ImportError, message
def load_module(self, fqname, fp, pathname, (suffix, mode, type)):
if type == imp.PY_FROZEN:
# It's a frozen module.
co, isPackage = p3extend_frozen.get_frozen_module_code(pathname)
m = self.add_module(fqname)
m.__file__ = '<frozen>'
if isPackage:
m.__path__ = pathname
co = marshal.loads(co)
if self.replace_paths:
co = self.replace_paths_in_code(co)
m.__code__ = co
self.scan_code(co, m)
self.msgout(2, "load_module ->", m)
return m
return modulefinder.ModuleFinder.load_module(self, fqname, fp, pathname, (suffix, mode, type))
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