cleanup the building script in tools.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1970 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
bernard.xiong@gmail.com 2012-02-19 09:11:35 +00:00
parent 68384c37c4
commit 3fd6fd1f05
4 changed files with 460 additions and 420 deletions

View File

@ -2,431 +2,13 @@ import os
import sys
import string
import xml.etree.ElementTree as etree
from xml.etree.ElementTree import SubElement
from SCons.Script import *
from utils import _make_path_relative
BuildOptions = {}
Projects = []
Rtt_Root = ''
Env = None
fs_encoding = sys.getfilesystemencoding()
def _get_filetype(fn):
if fn.rfind('.c') != -1 or fn.rfind('.C') != -1 or fn.rfind('.cpp') != -1:
return 1
# assemble file type
if fn.rfind('.s') != -1 or fn.rfind('.S') != -1:
return 2
# header type
if fn.rfind('.h') != -1:
return 5
# other filetype
return 5
def splitall(loc):
"""
Return a list of the path components in loc. (Used by relpath_).
The first item in the list will be either ``os.curdir``, ``os.pardir``, empty,
or the root directory of loc (for example, ``/`` or ``C:\\).
The other items in the list will be strings.
Adapted from *path.py* by Jason Orendorff.
"""
parts = []
while loc != os.curdir and loc != os.pardir:
prev = loc
loc, child = os.path.split(prev)
if loc == prev:
break
parts.append(child)
parts.append(loc)
parts.reverse()
return parts
def _make_path_relative(origin, dest):
"""
Return the relative path between origin and dest.
If it's not possible return dest.
If they are identical return ``os.curdir``
Adapted from `path.py <http://www.jorendorff.com/articles/python/path/>`_ by Jason Orendorff.
"""
origin = os.path.abspath(origin).replace('\\', '/')
dest = os.path.abspath(dest).replace('\\', '/')
#
orig_list = splitall(os.path.normcase(origin))
# Don't normcase dest! We want to preserve the case.
dest_list = splitall(dest)
#
if orig_list[0] != os.path.normcase(dest_list[0]):
# Can't get here from there.
return dest
#
# Find the location where the two paths start to differ.
i = 0
for start_seg, dest_seg in zip(orig_list, dest_list):
if start_seg != os.path.normcase(dest_seg):
break
i += 1
#
# Now i is the point where the two paths diverge.
# Need a certain number of "os.pardir"s to work up
# from the origin to the point of divergence.
segments = [os.pardir] * (len(orig_list) - i)
# Need to add the diverging part of dest_list.
segments += dest_list[i:]
if len(segments) == 0:
# If they happen to be identical, use os.curdir.
return os.curdir
else:
# return os.path.join(*segments).replace('\\', '/')
return os.path.join(*segments)
def xml_indent(elem, level=0):
i = "\n" + level*" "
if len(elem):
if not elem.text or not elem.text.strip():
elem.text = i + " "
if not elem.tail or not elem.tail.strip():
elem.tail = i
for elem in elem:
xml_indent(elem, level+1)
if not elem.tail or not elem.tail.strip():
elem.tail = i
else:
if level and (not elem.tail or not elem.tail.strip()):
elem.tail = i
def IARAddGroup(parent, name, files, project_path):
group = SubElement(parent, 'group')
group_name = SubElement(group, 'name')
group_name.text = name
for f in files:
fn = f.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
basename = os.path.basename(path)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
file = SubElement(group, 'file')
file_name = SubElement(file, 'name')
file_name.text = ('$PROJ_DIR$\\' + path).decode(fs_encoding)
iar_workspace = '''<?xml version="1.0" encoding="iso-8859-1"?>
<workspace>
<project>
<path>$WS_DIR$\%s</path>
</project>
<batchBuild/>
</workspace>
'''
def IARWorkspace(target):
# make an workspace
workspace = target.replace('.ewp', '.eww')
out = file(workspace, 'wb')
xml = iar_workspace % target
out.write(xml)
out.close()
def IARProject(target, script):
project_path = os.path.dirname(os.path.abspath(target))
tree = etree.parse('template.ewp')
root = tree.getroot()
out = file(target, 'wb')
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
# add group
for group in script:
IARAddGroup(root, group['name'], group['src'], project_path)
# get each include path
if group.has_key('CPPPATH') and group['CPPPATH']:
CPPPATH += group['CPPPATH']
# get each group's definitions
if group.has_key('CPPDEFINES') and group['CPPDEFINES']:
CPPDEFINES += group['CPPDEFINES']
# get each group's link flags
if group.has_key('LINKFLAGS') and group['LINKFLAGS']:
LINKFLAGS += group['LINKFLAGS']
# make relative path
paths = set()
for path in CPPPATH:
inc = _make_path_relative(project_path, os.path.normpath(path))
paths.add(inc) #.replace('\\', '/')
# setting options
options = tree.findall('configuration/settings/data/option')
for option in options:
# print option.text
name = option.find('name')
if name.text == 'CCIncludePath2':
for path in paths:
state = SubElement(option, 'state')
state.text = '$PROJ_DIR$\\' + path
if name.text == 'CCDefines':
for define in CPPDEFINES:
state = SubElement(option, 'state')
state.text = define
xml_indent(root)
out.write(etree.tostring(root, encoding='utf-8'))
out.close()
IARWorkspace(target)
def MDK4AddGroup(ProjectFiles, parent, name, files, project_path):
group = SubElement(parent, 'Group')
group_name = SubElement(group, 'GroupName')
group_name.text = name
for f in files:
fn = f.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
basename = os.path.basename(path)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
files = SubElement(group, 'Files')
file = SubElement(files, 'File')
file_name = SubElement(file, 'FileName')
name = os.path.basename(path)
if ProjectFiles.count(name):
name = basename + '_' + name
ProjectFiles.append(name)
file_name.text = name.decode(fs_encoding)
file_type = SubElement(file, 'FileType')
file_type.text = '%d' % _get_filetype(name)
file_path = SubElement(file, 'FilePath')
file_path.text = path.decode(fs_encoding)
def MDK4Project(target, script):
project_path = os.path.dirname(os.path.abspath(target))
tree = etree.parse('template.uvproj')
root = tree.getroot()
out = file(target, 'wb')
out.write('<?xml version="1.0" encoding="UTF-8" standalone="no" ?>\n')
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
ProjectFiles = []
# add group
groups = tree.find('Targets/Target/Groups')
if not groups:
groups = SubElement(tree.find('Targets/Target'), 'Groups')
for group in script:
group_xml = MDK4AddGroup(ProjectFiles, groups, group['name'], group['src'], project_path)
# get each include path
if group.has_key('CPPPATH') and group['CPPPATH']:
if CPPPATH:
CPPPATH += group['CPPPATH']
else:
CPPPATH += group['CPPPATH']
# get each group's definitions
if group.has_key('CPPDEFINES') and group['CPPDEFINES']:
if CPPDEFINES:
CPPDEFINES += group['CPPDEFINES']
else:
CPPDEFINES += group['CPPDEFINES']
# get each group's link flags
if group.has_key('LINKFLAGS') and group['LINKFLAGS']:
if LINKFLAGS:
LINKFLAGS += ' ' + group['LINKFLAGS']
else:
LINKFLAGS += group['LINKFLAGS']
# remove repeat path
paths = set()
for path in CPPPATH:
inc = _make_path_relative(project_path, os.path.normpath(path))
paths.add(inc) #.replace('\\', '/')
paths = [i for i in paths]
paths.sort()
CPPPATH = string.join(paths, ';')
definitions = [i for i in set(CPPDEFINES)]
CPPDEFINES = string.join(definitions, ', ')
# write include path, definitions and link flags
IncludePath = tree.find('Targets/Target/TargetOption/TargetArmAds/Cads/VariousControls/IncludePath')
IncludePath.text = CPPPATH
Define = tree.find('Targets/Target/TargetOption/TargetArmAds/Cads/VariousControls/Define')
Define.text = CPPDEFINES
Misc = tree.find('Targets/Target/TargetOption/TargetArmAds/LDads/Misc')
Misc.text = LINKFLAGS
xml_indent(root)
out.write(etree.tostring(root, encoding='utf-8'))
out.close()
def MDKProject(target, script):
template = file('template.Uv2', "rb")
lines = template.readlines()
project = file(target, "wb")
project_path = os.path.dirname(os.path.abspath(target))
line_index = 5
# write group
for group in script:
lines.insert(line_index, 'Group (%s)\r\n' % group['name'])
line_index += 1
lines.insert(line_index, '\r\n')
line_index += 1
# write file
ProjectFiles = []
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
# number of groups
group_index = 1
for group in script:
# print group['name']
# get each include path
if group.has_key('CPPPATH') and group['CPPPATH']:
if CPPPATH:
CPPPATH += group['CPPPATH']
else:
CPPPATH += group['CPPPATH']
# get each group's definitions
if group.has_key('CPPDEFINES') and group['CPPDEFINES']:
if CPPDEFINES:
CPPDEFINES += ';' + group['CPPDEFINES']
else:
CPPDEFINES += group['CPPDEFINES']
# get each group's link flags
if group.has_key('LINKFLAGS') and group['LINKFLAGS']:
if LINKFLAGS:
LINKFLAGS += ' ' + group['LINKFLAGS']
else:
LINKFLAGS += group['LINKFLAGS']
# generate file items
for node in group['src']:
fn = node.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
basename = os.path.basename(path)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
if ProjectFiles.count(name):
name = basename + '_' + name
ProjectFiles.append(name)
lines.insert(line_index, 'File %d,%d,<%s><%s>\r\n'
% (group_index, _get_filetype(name), path, name))
line_index += 1
group_index = group_index + 1
lines.insert(line_index, '\r\n')
line_index += 1
# remove repeat path
paths = set()
for path in CPPPATH:
inc = _make_path_relative(project_path, os.path.normpath(path))
paths.add(inc) #.replace('\\', '/')
paths = [i for i in paths]
CPPPATH = string.join(paths, ';')
definitions = [i for i in set(CPPDEFINES)]
CPPDEFINES = string.join(definitions, ', ')
while line_index < len(lines):
if lines[line_index].startswith(' ADSCINCD '):
lines[line_index] = ' ADSCINCD (' + CPPPATH + ')\r\n'
if lines[line_index].startswith(' ADSLDMC ('):
lines[line_index] = ' ADSLDMC (' + LINKFLAGS + ')\r\n'
if lines[line_index].startswith(' ADSCDEFN ('):
lines[line_index] = ' ADSCDEFN (' + CPPDEFINES + ')\r\n'
line_index += 1
# write project
for line in lines:
project.write(line)
project.close()
def BuilderProject(target, script):
project = file(target, "wb")
project_path = os.path.dirname(os.path.abspath(target))
# write file
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
# number of groups
group_index = 1
for group in script:
# print group['name']
# generate file items
for node in group['src']:
fn = node.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
project.write('%s\r\n' % path)
group_index = group_index + 1
project.close()
class Win32Spawn:
def spawn(self, sh, escape, cmd, args, env):
@ -435,7 +17,7 @@ class Win32Spawn:
newargs = string.join(args[1:], ' ')
cmdline = cmd + " " + newargs
startupinfo = subprocess.STARTUPINFO()
startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
# startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
penv = {}
for key, value in env.iteritems():
penv[key] = str(value)
@ -453,6 +35,29 @@ class Win32Spawn:
return rv
return 0
def GetVersion():
import SCons.cpp
import string
rtdef = os.path.join(Rtt_Root, 'include', 'rtdef.h')
# parse rtdef.h to get RT-Thread version
prepcessor = SCons.cpp.PreProcessor()
f = file(rtdef, 'r')
contents = f.read()
f.close()
prepcessor.process_contents(contents)
def_ns = prepcessor.cpp_namespace
version = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_VERSION']))
subversion = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_SUBVERSION']))
if def_ns.has_key('RT_REVISION'):
revision = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_REVISION']))
return '%d.%d.%d' % (version, subversion, revision)
return '0.%d.%d' % (version, subversion)
def PrepareBuilding(env, root_directory, has_libcpu=False):
import SCons.cpp
import rtconfig
@ -633,6 +238,10 @@ def GetCurrentDir():
def EndBuilding(target):
import rtconfig
from keil import MDKProject
from keil import MDK4Project
from iar import IARProject
Env.AddPostAction(target, rtconfig.POST_ACTION)
if GetOption('target') == 'mdk':
@ -662,3 +271,26 @@ def SrcRemove(src, remove):
for item in src:
if os.path.basename(item.rstr()) in remove:
src.remove(item)
def GetVersion():
import SCons.cpp
import string
rtdef = os.path.join(Rtt_Root, 'include', 'rtdef.h')
# parse rtdef.h to get RT-Thread version
prepcessor = SCons.cpp.PreProcessor()
f = file(rtdef, 'r')
contents = f.read()
f.close()
prepcessor.process_contents(contents)
def_ns = prepcessor.cpp_namespace
version = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_VERSION']))
subversion = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_SUBVERSION']))
if def_ns.has_key('RT_REVISION'):
revision = int(filter(lambda ch: ch in '0123456789.', def_ns['RT_REVISION']))
return '%d.%d.%d' % (version, subversion, revision)
return '0.%d.%d' % (version, subversion)

104
tools/iar.py Normal file
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@ -0,0 +1,104 @@
import os
import sys
import string
import xml.etree.ElementTree as etree
from xml.etree.ElementTree import SubElement
from utils import _make_path_relative
from utils import xml_indent
fs_encoding = sys.getfilesystemencoding()
iar_workspace = '''<?xml version="1.0" encoding="iso-8859-1"?>
<workspace>
<project>
<path>$WS_DIR$\%s</path>
</project>
<batchBuild/>
</workspace>
'''
def IARAddGroup(parent, name, files, project_path):
group = SubElement(parent, 'group')
group_name = SubElement(group, 'name')
group_name.text = name
for f in files:
fn = f.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
basename = os.path.basename(path)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
file = SubElement(group, 'file')
file_name = SubElement(file, 'name')
file_name.text = ('$PROJ_DIR$\\' + path).decode(fs_encoding)
def IARWorkspace(target):
# make an workspace
workspace = target.replace('.ewp', '.eww')
out = file(workspace, 'wb')
xml = iar_workspace % target
out.write(xml)
out.close()
def IARProject(target, script):
project_path = os.path.dirname(os.path.abspath(target))
tree = etree.parse('template.ewp')
root = tree.getroot()
out = file(target, 'wb')
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
# add group
for group in script:
IARAddGroup(root, group['name'], group['src'], project_path)
# get each include path
if group.has_key('CPPPATH') and group['CPPPATH']:
CPPPATH += group['CPPPATH']
# get each group's definitions
if group.has_key('CPPDEFINES') and group['CPPDEFINES']:
CPPDEFINES += group['CPPDEFINES']
# get each group's link flags
if group.has_key('LINKFLAGS') and group['LINKFLAGS']:
LINKFLAGS += group['LINKFLAGS']
# make relative path
paths = set()
for path in CPPPATH:
inc = _make_path_relative(project_path, os.path.normpath(path))
paths.add(inc) #.replace('\\', '/')
# setting options
options = tree.findall('configuration/settings/data/option')
for option in options:
# print option.text
name = option.find('name')
if name.text == 'CCIncludePath2':
for path in paths:
state = SubElement(option, 'state')
state.text = '$PROJ_DIR$\\' + path
if name.text == 'CCDefines':
for define in CPPDEFINES:
state = SubElement(option, 'state')
state.text = define
xml_indent(root)
out.write(etree.tostring(root, encoding='utf-8'))
out.close()
IARWorkspace(target)

223
tools/keil.py Normal file
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@ -0,0 +1,223 @@
import os
import sys
import string
import xml.etree.ElementTree as etree
from xml.etree.ElementTree import SubElement
from utils import _make_path_relative
from utils import xml_indent
fs_encoding = sys.getfilesystemencoding()
def _get_filetype(fn):
if fn.rfind('.c') != -1 or fn.rfind('.C') != -1 or fn.rfind('.cpp') != -1:
return 1
# assemble file type
if fn.rfind('.s') != -1 or fn.rfind('.S') != -1:
return 2
# header type
if fn.rfind('.h') != -1:
return 5
# other filetype
return 5
def MDK4AddGroup(ProjectFiles, parent, name, files, project_path):
group = SubElement(parent, 'Group')
group_name = SubElement(group, 'GroupName')
group_name.text = name
for f in files:
fn = f.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
basename = os.path.basename(path)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
files = SubElement(group, 'Files')
file = SubElement(files, 'File')
file_name = SubElement(file, 'FileName')
name = os.path.basename(path)
if ProjectFiles.count(name):
name = basename + '_' + name
ProjectFiles.append(name)
file_name.text = name.decode(fs_encoding)
file_type = SubElement(file, 'FileType')
file_type.text = '%d' % _get_filetype(name)
file_path = SubElement(file, 'FilePath')
file_path.text = path.decode(fs_encoding)
def MDK4Project(target, script):
project_path = os.path.dirname(os.path.abspath(target))
tree = etree.parse('template.uvproj')
root = tree.getroot()
out = file(target, 'wb')
out.write('<?xml version="1.0" encoding="UTF-8" standalone="no" ?>\n')
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
ProjectFiles = []
# add group
groups = tree.find('Targets/Target/Groups')
if not groups:
groups = SubElement(tree.find('Targets/Target'), 'Groups')
for group in script:
group_xml = MDK4AddGroup(ProjectFiles, groups, group['name'], group['src'], project_path)
# get each include path
if group.has_key('CPPPATH') and group['CPPPATH']:
if CPPPATH:
CPPPATH += group['CPPPATH']
else:
CPPPATH += group['CPPPATH']
# get each group's definitions
if group.has_key('CPPDEFINES') and group['CPPDEFINES']:
if CPPDEFINES:
CPPDEFINES += group['CPPDEFINES']
else:
CPPDEFINES += group['CPPDEFINES']
# get each group's link flags
if group.has_key('LINKFLAGS') and group['LINKFLAGS']:
if LINKFLAGS:
LINKFLAGS += ' ' + group['LINKFLAGS']
else:
LINKFLAGS += group['LINKFLAGS']
# remove repeat path
paths = set()
for path in CPPPATH:
inc = _make_path_relative(project_path, os.path.normpath(path))
paths.add(inc) #.replace('\\', '/')
paths = [i for i in paths]
paths.sort()
CPPPATH = string.join(paths, ';')
definitions = [i for i in set(CPPDEFINES)]
CPPDEFINES = string.join(definitions, ', ')
# write include path, definitions and link flags
IncludePath = tree.find('Targets/Target/TargetOption/TargetArmAds/Cads/VariousControls/IncludePath')
IncludePath.text = CPPPATH
Define = tree.find('Targets/Target/TargetOption/TargetArmAds/Cads/VariousControls/Define')
Define.text = CPPDEFINES
Misc = tree.find('Targets/Target/TargetOption/TargetArmAds/LDads/Misc')
Misc.text = LINKFLAGS
xml_indent(root)
out.write(etree.tostring(root, encoding='utf-8'))
out.close()
def MDKProject(target, script):
template = file('template.Uv2', "rb")
lines = template.readlines()
project = file(target, "wb")
project_path = os.path.dirname(os.path.abspath(target))
line_index = 5
# write group
for group in script:
lines.insert(line_index, 'Group (%s)\r\n' % group['name'])
line_index += 1
lines.insert(line_index, '\r\n')
line_index += 1
# write file
ProjectFiles = []
CPPPATH = []
CPPDEFINES = []
LINKFLAGS = ''
CCFLAGS = ''
# number of groups
group_index = 1
for group in script:
# print group['name']
# get each include path
if group.has_key('CPPPATH') and group['CPPPATH']:
if CPPPATH:
CPPPATH += group['CPPPATH']
else:
CPPPATH += group['CPPPATH']
# get each group's definitions
if group.has_key('CPPDEFINES') and group['CPPDEFINES']:
if CPPDEFINES:
CPPDEFINES += ';' + group['CPPDEFINES']
else:
CPPDEFINES += group['CPPDEFINES']
# get each group's link flags
if group.has_key('LINKFLAGS') and group['LINKFLAGS']:
if LINKFLAGS:
LINKFLAGS += ' ' + group['LINKFLAGS']
else:
LINKFLAGS += group['LINKFLAGS']
# generate file items
for node in group['src']:
fn = node.rfile()
name = fn.name
path = os.path.dirname(fn.abspath)
basename = os.path.basename(path)
path = _make_path_relative(project_path, path)
path = os.path.join(path, name)
if ProjectFiles.count(name):
name = basename + '_' + name
ProjectFiles.append(name)
lines.insert(line_index, 'File %d,%d,<%s><%s>\r\n'
% (group_index, _get_filetype(name), path, name))
line_index += 1
group_index = group_index + 1
lines.insert(line_index, '\r\n')
line_index += 1
# remove repeat path
paths = set()
for path in CPPPATH:
inc = _make_path_relative(project_path, os.path.normpath(path))
paths.add(inc) #.replace('\\', '/')
paths = [i for i in paths]
CPPPATH = string.join(paths, ';')
definitions = [i for i in set(CPPDEFINES)]
CPPDEFINES = string.join(definitions, ', ')
while line_index < len(lines):
if lines[line_index].startswith(' ADSCINCD '):
lines[line_index] = ' ADSCINCD (' + CPPPATH + ')\r\n'
if lines[line_index].startswith(' ADSLDMC ('):
lines[line_index] = ' ADSLDMC (' + LINKFLAGS + ')\r\n'
if lines[line_index].startswith(' ADSCDEFN ('):
lines[line_index] = ' ADSCDEFN (' + CPPDEFINES + ')\r\n'
line_index += 1
# write project
for line in lines:
project.write(line)
project.close()

81
tools/utils.py Normal file
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@ -0,0 +1,81 @@
import sys
import os
def splitall(loc):
"""
Return a list of the path components in loc. (Used by relpath_).
The first item in the list will be either ``os.curdir``, ``os.pardir``, empty,
or the root directory of loc (for example, ``/`` or ``C:\\).
The other items in the list will be strings.
Adapted from *path.py* by Jason Orendorff.
"""
parts = []
while loc != os.curdir and loc != os.pardir:
prev = loc
loc, child = os.path.split(prev)
if loc == prev:
break
parts.append(child)
parts.append(loc)
parts.reverse()
return parts
def _make_path_relative(origin, dest):
"""
Return the relative path between origin and dest.
If it's not possible return dest.
If they are identical return ``os.curdir``
Adapted from `path.py <http://www.jorendorff.com/articles/python/path/>`_ by Jason Orendorff.
"""
origin = os.path.abspath(origin).replace('\\', '/')
dest = os.path.abspath(dest).replace('\\', '/')
#
orig_list = splitall(os.path.normcase(origin))
# Don't normcase dest! We want to preserve the case.
dest_list = splitall(dest)
#
if orig_list[0] != os.path.normcase(dest_list[0]):
# Can't get here from there.
return dest
#
# Find the location where the two paths start to differ.
i = 0
for start_seg, dest_seg in zip(orig_list, dest_list):
if start_seg != os.path.normcase(dest_seg):
break
i += 1
#
# Now i is the point where the two paths diverge.
# Need a certain number of "os.pardir"s to work up
# from the origin to the point of divergence.
segments = [os.pardir] * (len(orig_list) - i)
# Need to add the diverging part of dest_list.
segments += dest_list[i:]
if len(segments) == 0:
# If they happen to be identical, use os.curdir.
return os.curdir
else:
# return os.path.join(*segments).replace('\\', '/')
return os.path.join(*segments)
def xml_indent(elem, level=0):
i = "\n" + level*" "
if len(elem):
if not elem.text or not elem.text.strip():
elem.text = i + " "
if not elem.tail or not elem.tail.strip():
elem.tail = i
for elem in elem:
xml_indent(elem, level+1)
if not elem.tail or not elem.tail.strip():
elem.tail = i
else:
if level and (not elem.tail or not elem.tail.strip()):
elem.tail = i