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-rw-r--r--waflib/extras/win32_opts.py170
1 files changed, 0 insertions, 170 deletions
diff --git a/waflib/extras/win32_opts.py b/waflib/extras/win32_opts.py
deleted file mode 100644
index 9f7443c3..00000000
--- a/waflib/extras/win32_opts.py
+++ /dev/null
@@ -1,170 +0,0 @@
-#! /usr/bin/env python
-# encoding: utf-8
-
-"""
-Windows-specific optimizations
-
-This module can help reducing the overhead of listing files on windows
-(more than 10000 files). Python 3.5 already provides the listdir
-optimization though.
-"""
-
-import os
-from waflib import Utils, Build, Node, Logs
-
-try:
- TP = '%s\\*'.decode('ascii')
-except AttributeError:
- TP = '%s\\*'
-
-if Utils.is_win32:
- from waflib.Tools import md5_tstamp
- import ctypes, ctypes.wintypes
-
- FindFirstFile = ctypes.windll.kernel32.FindFirstFileW
- FindNextFile = ctypes.windll.kernel32.FindNextFileW
- FindClose = ctypes.windll.kernel32.FindClose
- FILE_ATTRIBUTE_DIRECTORY = 0x10
- INVALID_HANDLE_VALUE = -1
- UPPER_FOLDERS = ('.', '..')
- try:
- UPPER_FOLDERS = [unicode(x) for x in UPPER_FOLDERS]
- except NameError:
- pass
-
- def cached_hash_file(self):
- try:
- cache = self.ctx.cache_listdir_cache_hash_file
- except AttributeError:
- cache = self.ctx.cache_listdir_cache_hash_file = {}
-
- if id(self.parent) in cache:
- try:
- t = cache[id(self.parent)][self.name]
- except KeyError:
- raise IOError('Not a file')
- else:
- # an opportunity to list the files and the timestamps at once
- findData = ctypes.wintypes.WIN32_FIND_DATAW()
- find = FindFirstFile(TP % self.parent.abspath(), ctypes.byref(findData))
-
- if find == INVALID_HANDLE_VALUE:
- cache[id(self.parent)] = {}
- raise IOError('Not a file')
-
- cache[id(self.parent)] = lst_files = {}
- try:
- while True:
- if findData.cFileName not in UPPER_FOLDERS:
- thatsadir = findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
- if not thatsadir:
- ts = findData.ftLastWriteTime
- d = (ts.dwLowDateTime << 32) | ts.dwHighDateTime
- lst_files[str(findData.cFileName)] = d
- if not FindNextFile(find, ctypes.byref(findData)):
- break
- except Exception:
- cache[id(self.parent)] = {}
- raise IOError('Not a file')
- finally:
- FindClose(find)
- t = lst_files[self.name]
-
- fname = self.abspath()
- if fname in Build.hashes_md5_tstamp:
- if Build.hashes_md5_tstamp[fname][0] == t:
- return Build.hashes_md5_tstamp[fname][1]
-
- try:
- fd = os.open(fname, os.O_BINARY | os.O_RDONLY | os.O_NOINHERIT)
- except OSError:
- raise IOError('Cannot read from %r' % fname)
- f = os.fdopen(fd, 'rb')
- m = Utils.md5()
- rb = 1
- try:
- while rb:
- rb = f.read(200000)
- m.update(rb)
- finally:
- f.close()
-
- # ensure that the cache is overwritten
- Build.hashes_md5_tstamp[fname] = (t, m.digest())
- return m.digest()
- Node.Node.cached_hash_file = cached_hash_file
-
- def get_bld_sig_win32(self):
- try:
- return self.ctx.hash_cache[id(self)]
- except KeyError:
- pass
- except AttributeError:
- self.ctx.hash_cache = {}
- self.ctx.hash_cache[id(self)] = ret = Utils.h_file(self.abspath())
- return ret
- Node.Node.get_bld_sig = get_bld_sig_win32
-
- def isfile_cached(self):
- # optimize for nt.stat calls, assuming there are many files for few folders
- try:
- cache = self.__class__.cache_isfile_cache
- except AttributeError:
- cache = self.__class__.cache_isfile_cache = {}
-
- try:
- c1 = cache[id(self.parent)]
- except KeyError:
- c1 = cache[id(self.parent)] = []
-
- curpath = self.parent.abspath()
- findData = ctypes.wintypes.WIN32_FIND_DATAW()
- find = FindFirstFile(TP % curpath, ctypes.byref(findData))
-
- if find == INVALID_HANDLE_VALUE:
- Logs.error("invalid win32 handle isfile_cached %r", self.abspath())
- return os.path.isfile(self.abspath())
-
- try:
- while True:
- if findData.cFileName not in UPPER_FOLDERS:
- thatsadir = findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY
- if not thatsadir:
- c1.append(str(findData.cFileName))
- if not FindNextFile(find, ctypes.byref(findData)):
- break
- except Exception as e:
- Logs.error('exception while listing a folder %r %r', self.abspath(), e)
- return os.path.isfile(self.abspath())
- finally:
- FindClose(find)
- return self.name in c1
- Node.Node.isfile_cached = isfile_cached
-
- def find_or_declare_win32(self, lst):
- # assuming that "find_or_declare" is called before the build starts, remove the calls to os.path.isfile
- if isinstance(lst, str):
- lst = [x for x in Utils.split_path(lst) if x and x != '.']
-
- node = self.get_bld().search_node(lst)
- if node:
- if not node.isfile_cached():
- try:
- node.parent.mkdir()
- except OSError:
- pass
- return node
- self = self.get_src()
- node = self.find_node(lst)
- if node:
- if not node.isfile_cached():
- try:
- node.parent.mkdir()
- except OSError:
- pass
- return node
- node = self.get_bld().make_node(lst)
- node.parent.mkdir()
- return node
- Node.Node.find_or_declare = find_or_declare_win32
-