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author | David Robillard <d@drobilla.net> | 2019-04-21 23:04:24 +0200 |
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committer | David Robillard <d@drobilla.net> | 2019-04-21 23:04:24 +0200 |
commit | 9091b844259d78b42f94656dd3412075ce6a76a1 (patch) | |
tree | 1258158fbc5ebcf64196e82049ba85e9451738d2 /waflib/extras/win32_opts.py | |
parent | c1637b46f9ff960f58dcf2bb3b69bff231f8acfd (diff) | |
download | lilv-9091b844259d78b42f94656dd3412075ce6a76a1.tar.gz lilv-9091b844259d78b42f94656dd3412075ce6a76a1.tar.bz2 lilv-9091b844259d78b42f94656dd3412075ce6a76a1.zip |
Switch to using a submodule for autowaf
Diffstat (limited to 'waflib/extras/win32_opts.py')
m--------- | waflib | 0 | ||||
-rw-r--r-- | waflib/extras/win32_opts.py | 170 |
2 files changed, 0 insertions, 170 deletions
diff --git a/waflib b/waflib new file mode 160000 +Subproject 2314e236ca6e7d94a26c3c17091da0f25f5867f diff --git a/waflib/extras/win32_opts.py b/waflib/extras/win32_opts.py deleted file mode 100644 index 9f7443c..0000000 --- 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 - |