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#! /usr/bin/env python
# encoding: utf-8
# Thomas Nagy, 2014 (ita)
"""
This module enables automatic handling of network paths of the form \\server\share for both input
and output files. While a typical script may require the following::
import os
def build(bld):
node = bld.root.make_node('\\\\COMPUTER\\share\\test.txt')
# mark the server/share levels as folders
k = node.parent
while k:
k.cache_isdir = True
k = k.parent
# clear the file if removed
if not os.path.isfile(node.abspath()):
node.sig = None
# create the folder structure
if node.parent.height() > 2:
node.parent.mkdir()
# then the task generator
def myfun(tsk):
tsk.outputs[0].write("data")
bld(rule=myfun, source='wscript', target=[nd])
this tool will make the process much easier, for example::
def configure(conf):
conf.load('unc') # do not import the module directly
def build(bld):
def myfun(tsk):
tsk.outputs[0].write("data")
bld(rule=myfun, update_outputs=True,
source='wscript',
target='\\\\COMPUTER\\share\\test.txt')
bld(rule=myfun, update_outputs=True,
source='\\\\COMPUTER\\share\\test.txt',
target='\\\\COMPUTER\\share\\test2.txt')
"""
import os
from waflib import Node, Utils, Context
def find_resource(self, lst):
if isinstance(lst, str):
lst = [x for x in Node.split_path(lst) if x and x != '.']
if lst[0].startswith('\\\\'):
if len(lst) < 3:
return None
node = self.ctx.root.make_node(lst[0]).make_node(lst[1])
node.cache_isdir = True
node.parent.cache_isdir = True
ret = node.search_node(lst[2:])
if not ret:
ret = node.find_node(lst[2:])
if ret and os.path.isdir(ret.abspath()):
return None
return ret
return self.find_resource_orig(lst)
def find_or_declare(self, lst):
if isinstance(lst, str):
lst = [x for x in Node.split_path(lst) if x and x != '.']
if lst[0].startswith('\\\\'):
if len(lst) < 3:
return None
node = self.ctx.root.make_node(lst[0]).make_node(lst[1])
node.cache_isdir = True
node.parent.cache_isdir = True
ret = node.find_node(lst[2:])
if not ret:
ret = node.make_node(lst[2:])
if not os.path.isfile(ret.abspath()):
ret.sig = None
ret.parent.mkdir()
return ret
return self.find_or_declare_orig(lst)
def abspath(self):
"""For MAX_PATH limitations"""
ret = self.abspath_orig()
if not ret.startswith("\\"):
return "\\\\?\\" + ret
return ret
if Utils.is_win32:
Node.Node.find_resource_orig = Node.Node.find_resource
Node.Node.find_resource = find_resource
Node.Node.find_or_declare_orig = Node.Node.find_or_declare
Node.Node.find_or_declare = find_or_declare
Node.Node.abspath_orig = Node.Node.abspath
Node.Node.abspath = abspath
for k in list(Context.cache_modules.keys()):
Context.cache_modules["\\\\?\\" + k] = Context.cache_modules[k]
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