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#(c)www.stani.be (read __doc__ for more information)
import sm
INFO=sm.INFO.copy()
INFO['author'] = 'Mark Hammond'
INFO['copyright'] = '(c) Mark Hammond (See PythonWin distribution)'
INFO['title'] = INFO['titleFull'] = 'scriptutils'
INFO['description'] =\
"""Changes:
- may 2003: www.stani.be to make it platform and PythonWin independent.
"""
__doc__=INFO['doc']%INFO
#_______________________________________________________________________________
import string,os,sys,types
import __main__
#---run: from pywin.framework.scriptutils (c)Mark Hammond-----------------------
def run(fileName=None,source=None,mainDict=__main__.__dict__,profiling=0):
import traceback
print
bWorked = 0
exitCode = 0
osPath=None
try:
if fileName:
path, base = os.path.split(fileName)
if path:
if path not in sys.path:sys.path.append(path)
osPath = os.getcwd()
os.chdir(path)
if source:
if type(source) == types.UnicodeType:
source = source.encode(sys.getdefaultencoding(),'replace')
source = '__name__="__main__"\n%s'%source
fileName = base = '<source>'
else:
f = open(fileName,'r')
source = f.read()
f.close()
if type(source) == types.UnicodeType:
source = source.encode(sys.getdefaultencoding(),'replace')
codeObject = compile(source.replace('\r\n','\n')+"\n", fileName, "exec")
if profiling:
import profile, pstats
prof = profile.Profile()
mainDict['codeObject'] = codeObject
prof = prof.runctx('exec codeObject in mainDict', locals(), mainDict)
stats = pstats.Stats(prof)
stats.sort_stats('cum','time').print_stats()
else:
exec codeObject in mainDict
bWorked = 1
except SystemExit, code:
exitCode = code
bWorked = 1
except KeyboardInterrupt:
traceback.print_exc()
bWorked = 1
except:
traceback.print_exc()
try:
sys.stdout.flush()
except AttributeError:
pass
if bWorked:
print "Script '%s' returned exit code %s" %(base, exitCode)
else:
print 'Exception raised while running script %s' % base
if osPath:
os.chdir(osPath)
#---Import Module: from pywin.framework.scriptutils (c)Mark Hammond------------
def importMod(pathName,mainDict=None):
import os,string,sys,__main__
print
# If already imported, dont look for package
path, modName = os.path.split(pathName)
modName, modExt = os.path.splitext(modName)
newPath = None
for key, mod in sys.modules.items():
if hasattr(mod, '__file__'):
fname = mod.__file__
base, ext = os.path.splitext(fname)
if string.lower(ext) in ['.pyo', '.pyc']:
ext = '.py'
fname = base + ext
if os.path.abspath(fname)==os.path.abspath(pathName):
modName = key
break
else: # for not broken
modName, newPath = GetPackageModuleName(pathName)
if newPath: sys.path.append(newPath)
if sys.modules.has_key(modName):
bNeedReload = 1
what = "reload"
else:
what = "import"
bNeedReload = 0
try:
# always do an import, as it is cheap is already loaded. This ensures
# it is in our name space.
if path not in sys.path:sys.path.append(path)
codeObj = compile('import '+modName,'<auto import>','exec')
if not mainDict:mainDict=__main__.__dict__
exec codeObj in mainDict
if bNeedReload:
reload(sys.modules[modName])
print 'Successfully ' + what + 'ed module "'+modName+'"'
except Exception,message:
print 'Failed to ' + what + ' module "'+modName+'" (%s)'%message
def GetPackageModuleName(fileName):
"""Given a filename, return (module name, new path).
eg - given "c:\a\b\c\my.py", return ("b.c.my",None) if "c:\a" is on sys.path.
If no package found, will return ("my", "c:\a\b\c")
"""
import os,string
path, fname = os.path.split(fileName)
origPath=path
fname = os.path.splitext(fname)[0]
modBits = []
newPathReturn = None
if not IsOnPythonPath(path):
# Module not directly on the search path - see if under a package.
while len(path)>3: # ie 'C:\'
path, modBit = os.path.split(path)
modBits.append(modBit)
# If on path, _and_ existing package of that name loaded.
if IsOnPythonPath(path) and sys.modules.has_key(modBit) and \
( os.path.exists(os.path.join(path, '__init__.py')) or \
os.path.exists(os.path.join(path, '__init__.pyc')) or \
os.path.exists(os.path.join(path, '__init__.pyo')) \
):
modBits.reverse()
return string.join(modBits, ".") + "." + fname, newPathReturn
# Not found - look a level higher
else:
newPathReturn = origPath
return fname, newPathReturn
def IsOnPythonPath(path):
"Given a path only, see if it is on the Pythonpath. Assumes path is a full path spec."
# must check that the command line arg's path is in sys.path
import os,sys
for syspath in sys.path:
try:
# Python 1.5 and later allows an empty sys.path entry.
if syspath:# and os.path.abspath(syspath)==os.path.normpath(path):
return 1
except Exception, details:
print "Warning: The sys.path entry '%s' is invalid\n%s" \
% (syspath, details)
return 0
#---CheckFile: from pywin.framework.scriptutils (c)Mark Hammond----------------
import os,sys,traceback
#some improvised helper functions to make it environment independent
def smPrintStatus(x):
print x
def smJumpToPosition(fileName, lineno, col = 1):
print '-> fileName = "%s", lineno = %s, col = %s'%(fileName, lineno, col)
#adapted from pywin.framework
def CheckFile(pathName,source=None,status=smPrintStatus,jump=smJumpToPosition):
""" This code looks for the current window, and gets Python to check it
without actually executing any code (ie, by compiling only)
status: function to set statusbar, otherwise print
jump: function(fileName, lineno, col = 1)
"""
what='check'
status(what+'ing module...')
if not source:
try:
f = open(pathName)
except IOError, details:
print "Can't open file '%s' - %s" % (pathName, details)
return
try:
source = f.read()
finally:
f.close()
code=source.replace('\r\n','\n') + "\n"
try:
codeObj = compile(code, pathName,'exec')
if RunTabNanny(pathName,status=status,jump=jump):
status("Python and the TabNanny successfully checked the file '"+
os.path.basename(pathName)+"'")
return 1
except SyntaxError:
_HandlePythonFailure(what, pathName,status=status,jump=jump)
except:
traceback.print_exc()
_HandlePythonFailure(what,status=status,jump=jump)
def RunTabNanny(filename,status=smPrintStatus,jump=smJumpToPosition):
try:
import cStringIO, tabnanny
except Exception, message:
print message
# Capture the tab-nanny output
newout = cStringIO.StringIO()
old_out = sys.stderr, sys.stdout
sys.stderr = sys.stdout = newout
try:
tabnanny.check(filename)
finally:
# Restore output
sys.stderr, sys.stdout = old_out
data = newout.getvalue()
if data:
try:
lineno = string.split(data)[1]
lineno = int(lineno)
status("The TabNanny found trouble at line %d" % lineno)
jump(filename, lineno)
except (IndexError, TypeError, ValueError):
print "The tab nanny complained, but I cant see where!"
print data
return 0
return 1
def _HandlePythonFailure(what, syntaxErrorPathName = None,status=smPrintStatus,
jump=smJumpToPosition):
typ, details, tb = sys.exc_info()
if typ == SyntaxError:
try:
msg, (fileName, line, col, text) = details
if (not fileName or fileName in ["<string>","<source>"]) \
and syntaxErrorPathName:
fileName = syntaxErrorPathName
jump(fileName, line, col)
except (TypeError, ValueError):
msg = str(details)
status('Failed to ' + what + ' - syntax error - %s' % msg)
else:
traceback.print_exc()
status('Failed to ' + what + ' - ' + str(details) )
tb = None # Clean up a cycle.
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