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