Show More
@@ -1,485 +1,588 b'' | |||||
1 | # windows.py - Windows utility function implementations for Mercurial |
|
1 | # windows.py - Windows utility function implementations for Mercurial | |
2 | # |
|
2 | # | |
3 | # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others |
|
3 | # Copyright 2005-2009 Matt Mackall <mpm@selenic.com> and others | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from __future__ import absolute_import |
|
8 | from __future__ import absolute_import | |
9 |
|
9 | |||
10 | import errno |
|
10 | import errno | |
11 | import msvcrt |
|
11 | import msvcrt | |
12 | import os |
|
12 | import os | |
13 | import re |
|
13 | import re | |
14 | import stat |
|
14 | import stat | |
|
15 | import string | |||
15 | import sys |
|
16 | import sys | |
16 |
|
17 | |||
17 | from .i18n import _ |
|
18 | from .i18n import _ | |
18 | from . import ( |
|
19 | from . import ( | |
19 | encoding, |
|
20 | encoding, | |
20 | error, |
|
21 | error, | |
21 | policy, |
|
22 | policy, | |
22 | pycompat, |
|
23 | pycompat, | |
23 | win32, |
|
24 | win32, | |
24 | ) |
|
25 | ) | |
25 |
|
26 | |||
26 | try: |
|
27 | try: | |
27 | import _winreg as winreg |
|
28 | import _winreg as winreg | |
28 | winreg.CloseKey |
|
29 | winreg.CloseKey | |
29 | except ImportError: |
|
30 | except ImportError: | |
30 | import winreg |
|
31 | import winreg | |
31 |
|
32 | |||
32 | osutil = policy.importmod(r'osutil') |
|
33 | osutil = policy.importmod(r'osutil') | |
33 |
|
34 | |||
34 | getfsmountpoint = win32.getvolumename |
|
35 | getfsmountpoint = win32.getvolumename | |
35 | getfstype = win32.getfstype |
|
36 | getfstype = win32.getfstype | |
36 | getuser = win32.getuser |
|
37 | getuser = win32.getuser | |
37 | hidewindow = win32.hidewindow |
|
38 | hidewindow = win32.hidewindow | |
38 | makedir = win32.makedir |
|
39 | makedir = win32.makedir | |
39 | nlinks = win32.nlinks |
|
40 | nlinks = win32.nlinks | |
40 | oslink = win32.oslink |
|
41 | oslink = win32.oslink | |
41 | samedevice = win32.samedevice |
|
42 | samedevice = win32.samedevice | |
42 | samefile = win32.samefile |
|
43 | samefile = win32.samefile | |
43 | setsignalhandler = win32.setsignalhandler |
|
44 | setsignalhandler = win32.setsignalhandler | |
44 | spawndetached = win32.spawndetached |
|
45 | spawndetached = win32.spawndetached | |
45 | split = os.path.split |
|
46 | split = os.path.split | |
46 | testpid = win32.testpid |
|
47 | testpid = win32.testpid | |
47 | unlink = win32.unlink |
|
48 | unlink = win32.unlink | |
48 |
|
49 | |||
49 | umask = 0o022 |
|
50 | umask = 0o022 | |
50 |
|
51 | |||
51 | class mixedfilemodewrapper(object): |
|
52 | class mixedfilemodewrapper(object): | |
52 | """Wraps a file handle when it is opened in read/write mode. |
|
53 | """Wraps a file handle when it is opened in read/write mode. | |
53 |
|
54 | |||
54 | fopen() and fdopen() on Windows have a specific-to-Windows requirement |
|
55 | fopen() and fdopen() on Windows have a specific-to-Windows requirement | |
55 | that files opened with mode r+, w+, or a+ make a call to a file positioning |
|
56 | that files opened with mode r+, w+, or a+ make a call to a file positioning | |
56 | function when switching between reads and writes. Without this extra call, |
|
57 | function when switching between reads and writes. Without this extra call, | |
57 | Python will raise a not very intuitive "IOError: [Errno 0] Error." |
|
58 | Python will raise a not very intuitive "IOError: [Errno 0] Error." | |
58 |
|
59 | |||
59 | This class wraps posixfile instances when the file is opened in read/write |
|
60 | This class wraps posixfile instances when the file is opened in read/write | |
60 | mode and automatically adds checks or inserts appropriate file positioning |
|
61 | mode and automatically adds checks or inserts appropriate file positioning | |
61 | calls when necessary. |
|
62 | calls when necessary. | |
62 | """ |
|
63 | """ | |
63 | OPNONE = 0 |
|
64 | OPNONE = 0 | |
64 | OPREAD = 1 |
|
65 | OPREAD = 1 | |
65 | OPWRITE = 2 |
|
66 | OPWRITE = 2 | |
66 |
|
67 | |||
67 | def __init__(self, fp): |
|
68 | def __init__(self, fp): | |
68 | object.__setattr__(self, r'_fp', fp) |
|
69 | object.__setattr__(self, r'_fp', fp) | |
69 | object.__setattr__(self, r'_lastop', 0) |
|
70 | object.__setattr__(self, r'_lastop', 0) | |
70 |
|
71 | |||
71 | def __enter__(self): |
|
72 | def __enter__(self): | |
72 | return self._fp.__enter__() |
|
73 | return self._fp.__enter__() | |
73 |
|
74 | |||
74 | def __exit__(self, exc_type, exc_val, exc_tb): |
|
75 | def __exit__(self, exc_type, exc_val, exc_tb): | |
75 | self._fp.__exit__(exc_type, exc_val, exc_tb) |
|
76 | self._fp.__exit__(exc_type, exc_val, exc_tb) | |
76 |
|
77 | |||
77 | def __getattr__(self, name): |
|
78 | def __getattr__(self, name): | |
78 | return getattr(self._fp, name) |
|
79 | return getattr(self._fp, name) | |
79 |
|
80 | |||
80 | def __setattr__(self, name, value): |
|
81 | def __setattr__(self, name, value): | |
81 | return self._fp.__setattr__(name, value) |
|
82 | return self._fp.__setattr__(name, value) | |
82 |
|
83 | |||
83 | def _noopseek(self): |
|
84 | def _noopseek(self): | |
84 | self._fp.seek(0, os.SEEK_CUR) |
|
85 | self._fp.seek(0, os.SEEK_CUR) | |
85 |
|
86 | |||
86 | def seek(self, *args, **kwargs): |
|
87 | def seek(self, *args, **kwargs): | |
87 | object.__setattr__(self, r'_lastop', self.OPNONE) |
|
88 | object.__setattr__(self, r'_lastop', self.OPNONE) | |
88 | return self._fp.seek(*args, **kwargs) |
|
89 | return self._fp.seek(*args, **kwargs) | |
89 |
|
90 | |||
90 | def write(self, d): |
|
91 | def write(self, d): | |
91 | if self._lastop == self.OPREAD: |
|
92 | if self._lastop == self.OPREAD: | |
92 | self._noopseek() |
|
93 | self._noopseek() | |
93 |
|
94 | |||
94 | object.__setattr__(self, r'_lastop', self.OPWRITE) |
|
95 | object.__setattr__(self, r'_lastop', self.OPWRITE) | |
95 | return self._fp.write(d) |
|
96 | return self._fp.write(d) | |
96 |
|
97 | |||
97 | def writelines(self, *args, **kwargs): |
|
98 | def writelines(self, *args, **kwargs): | |
98 | if self._lastop == self.OPREAD: |
|
99 | if self._lastop == self.OPREAD: | |
99 | self._noopeseek() |
|
100 | self._noopeseek() | |
100 |
|
101 | |||
101 | object.__setattr__(self, r'_lastop', self.OPWRITE) |
|
102 | object.__setattr__(self, r'_lastop', self.OPWRITE) | |
102 | return self._fp.writelines(*args, **kwargs) |
|
103 | return self._fp.writelines(*args, **kwargs) | |
103 |
|
104 | |||
104 | def read(self, *args, **kwargs): |
|
105 | def read(self, *args, **kwargs): | |
105 | if self._lastop == self.OPWRITE: |
|
106 | if self._lastop == self.OPWRITE: | |
106 | self._noopseek() |
|
107 | self._noopseek() | |
107 |
|
108 | |||
108 | object.__setattr__(self, r'_lastop', self.OPREAD) |
|
109 | object.__setattr__(self, r'_lastop', self.OPREAD) | |
109 | return self._fp.read(*args, **kwargs) |
|
110 | return self._fp.read(*args, **kwargs) | |
110 |
|
111 | |||
111 | def readline(self, *args, **kwargs): |
|
112 | def readline(self, *args, **kwargs): | |
112 | if self._lastop == self.OPWRITE: |
|
113 | if self._lastop == self.OPWRITE: | |
113 | self._noopseek() |
|
114 | self._noopseek() | |
114 |
|
115 | |||
115 | object.__setattr__(self, r'_lastop', self.OPREAD) |
|
116 | object.__setattr__(self, r'_lastop', self.OPREAD) | |
116 | return self._fp.readline(*args, **kwargs) |
|
117 | return self._fp.readline(*args, **kwargs) | |
117 |
|
118 | |||
118 | def readlines(self, *args, **kwargs): |
|
119 | def readlines(self, *args, **kwargs): | |
119 | if self._lastop == self.OPWRITE: |
|
120 | if self._lastop == self.OPWRITE: | |
120 | self._noopseek() |
|
121 | self._noopseek() | |
121 |
|
122 | |||
122 | object.__setattr__(self, r'_lastop', self.OPREAD) |
|
123 | object.__setattr__(self, r'_lastop', self.OPREAD) | |
123 | return self._fp.readlines(*args, **kwargs) |
|
124 | return self._fp.readlines(*args, **kwargs) | |
124 |
|
125 | |||
125 | def posixfile(name, mode='r', buffering=-1): |
|
126 | def posixfile(name, mode='r', buffering=-1): | |
126 | '''Open a file with even more POSIX-like semantics''' |
|
127 | '''Open a file with even more POSIX-like semantics''' | |
127 | try: |
|
128 | try: | |
128 | fp = osutil.posixfile(name, mode, buffering) # may raise WindowsError |
|
129 | fp = osutil.posixfile(name, mode, buffering) # may raise WindowsError | |
129 |
|
130 | |||
130 | # The position when opening in append mode is implementation defined, so |
|
131 | # The position when opening in append mode is implementation defined, so | |
131 | # make it consistent with other platforms, which position at EOF. |
|
132 | # make it consistent with other platforms, which position at EOF. | |
132 | if 'a' in mode: |
|
133 | if 'a' in mode: | |
133 | fp.seek(0, os.SEEK_END) |
|
134 | fp.seek(0, os.SEEK_END) | |
134 |
|
135 | |||
135 | if '+' in mode: |
|
136 | if '+' in mode: | |
136 | return mixedfilemodewrapper(fp) |
|
137 | return mixedfilemodewrapper(fp) | |
137 |
|
138 | |||
138 | return fp |
|
139 | return fp | |
139 | except WindowsError as err: |
|
140 | except WindowsError as err: | |
140 | # convert to a friendlier exception |
|
141 | # convert to a friendlier exception | |
141 | raise IOError(err.errno, '%s: %s' % ( |
|
142 | raise IOError(err.errno, '%s: %s' % ( | |
142 | name, encoding.strtolocal(err.strerror))) |
|
143 | name, encoding.strtolocal(err.strerror))) | |
143 |
|
144 | |||
144 | # may be wrapped by win32mbcs extension |
|
145 | # may be wrapped by win32mbcs extension | |
145 | listdir = osutil.listdir |
|
146 | listdir = osutil.listdir | |
146 |
|
147 | |||
147 | class winstdout(object): |
|
148 | class winstdout(object): | |
148 | '''stdout on windows misbehaves if sent through a pipe''' |
|
149 | '''stdout on windows misbehaves if sent through a pipe''' | |
149 |
|
150 | |||
150 | def __init__(self, fp): |
|
151 | def __init__(self, fp): | |
151 | self.fp = fp |
|
152 | self.fp = fp | |
152 |
|
153 | |||
153 | def __getattr__(self, key): |
|
154 | def __getattr__(self, key): | |
154 | return getattr(self.fp, key) |
|
155 | return getattr(self.fp, key) | |
155 |
|
156 | |||
156 | def close(self): |
|
157 | def close(self): | |
157 | try: |
|
158 | try: | |
158 | self.fp.close() |
|
159 | self.fp.close() | |
159 | except IOError: |
|
160 | except IOError: | |
160 | pass |
|
161 | pass | |
161 |
|
162 | |||
162 | def write(self, s): |
|
163 | def write(self, s): | |
163 | try: |
|
164 | try: | |
164 | # This is workaround for "Not enough space" error on |
|
165 | # This is workaround for "Not enough space" error on | |
165 | # writing large size of data to console. |
|
166 | # writing large size of data to console. | |
166 | limit = 16000 |
|
167 | limit = 16000 | |
167 | l = len(s) |
|
168 | l = len(s) | |
168 | start = 0 |
|
169 | start = 0 | |
169 | self.softspace = 0 |
|
170 | self.softspace = 0 | |
170 | while start < l: |
|
171 | while start < l: | |
171 | end = start + limit |
|
172 | end = start + limit | |
172 | self.fp.write(s[start:end]) |
|
173 | self.fp.write(s[start:end]) | |
173 | start = end |
|
174 | start = end | |
174 | except IOError as inst: |
|
175 | except IOError as inst: | |
175 | if inst.errno != 0: |
|
176 | if inst.errno != 0: | |
176 | raise |
|
177 | raise | |
177 | self.close() |
|
178 | self.close() | |
178 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
179 | raise IOError(errno.EPIPE, 'Broken pipe') | |
179 |
|
180 | |||
180 | def flush(self): |
|
181 | def flush(self): | |
181 | try: |
|
182 | try: | |
182 | return self.fp.flush() |
|
183 | return self.fp.flush() | |
183 | except IOError as inst: |
|
184 | except IOError as inst: | |
184 | if inst.errno != errno.EINVAL: |
|
185 | if inst.errno != errno.EINVAL: | |
185 | raise |
|
186 | raise | |
186 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
187 | raise IOError(errno.EPIPE, 'Broken pipe') | |
187 |
|
188 | |||
188 | def _is_win_9x(): |
|
189 | def _is_win_9x(): | |
189 | '''return true if run on windows 95, 98 or me.''' |
|
190 | '''return true if run on windows 95, 98 or me.''' | |
190 | try: |
|
191 | try: | |
191 | return sys.getwindowsversion()[3] == 1 |
|
192 | return sys.getwindowsversion()[3] == 1 | |
192 | except AttributeError: |
|
193 | except AttributeError: | |
193 | return 'command' in encoding.environ.get('comspec', '') |
|
194 | return 'command' in encoding.environ.get('comspec', '') | |
194 |
|
195 | |||
195 | def openhardlinks(): |
|
196 | def openhardlinks(): | |
196 | return not _is_win_9x() |
|
197 | return not _is_win_9x() | |
197 |
|
198 | |||
198 | def parsepatchoutput(output_line): |
|
199 | def parsepatchoutput(output_line): | |
199 | """parses the output produced by patch and returns the filename""" |
|
200 | """parses the output produced by patch and returns the filename""" | |
200 | pf = output_line[14:] |
|
201 | pf = output_line[14:] | |
201 | if pf[0] == '`': |
|
202 | if pf[0] == '`': | |
202 | pf = pf[1:-1] # Remove the quotes |
|
203 | pf = pf[1:-1] # Remove the quotes | |
203 | return pf |
|
204 | return pf | |
204 |
|
205 | |||
205 | def sshargs(sshcmd, host, user, port): |
|
206 | def sshargs(sshcmd, host, user, port): | |
206 | '''Build argument list for ssh or Plink''' |
|
207 | '''Build argument list for ssh or Plink''' | |
207 | pflag = 'plink' in sshcmd.lower() and '-P' or '-p' |
|
208 | pflag = 'plink' in sshcmd.lower() and '-P' or '-p' | |
208 | args = user and ("%s@%s" % (user, host)) or host |
|
209 | args = user and ("%s@%s" % (user, host)) or host | |
209 | if args.startswith('-') or args.startswith('/'): |
|
210 | if args.startswith('-') or args.startswith('/'): | |
210 | raise error.Abort( |
|
211 | raise error.Abort( | |
211 | _('illegal ssh hostname or username starting with - or /: %s') % |
|
212 | _('illegal ssh hostname or username starting with - or /: %s') % | |
212 | args) |
|
213 | args) | |
213 | args = shellquote(args) |
|
214 | args = shellquote(args) | |
214 | if port: |
|
215 | if port: | |
215 | args = '%s %s %s' % (pflag, shellquote(port), args) |
|
216 | args = '%s %s %s' % (pflag, shellquote(port), args) | |
216 | return args |
|
217 | return args | |
217 |
|
218 | |||
218 | def setflags(f, l, x): |
|
219 | def setflags(f, l, x): | |
219 | pass |
|
220 | pass | |
220 |
|
221 | |||
221 | def copymode(src, dst, mode=None): |
|
222 | def copymode(src, dst, mode=None): | |
222 | pass |
|
223 | pass | |
223 |
|
224 | |||
224 | def checkexec(path): |
|
225 | def checkexec(path): | |
225 | return False |
|
226 | return False | |
226 |
|
227 | |||
227 | def checklink(path): |
|
228 | def checklink(path): | |
228 | return False |
|
229 | return False | |
229 |
|
230 | |||
230 | def setbinary(fd): |
|
231 | def setbinary(fd): | |
231 | # When run without console, pipes may expose invalid |
|
232 | # When run without console, pipes may expose invalid | |
232 | # fileno(), usually set to -1. |
|
233 | # fileno(), usually set to -1. | |
233 | fno = getattr(fd, 'fileno', None) |
|
234 | fno = getattr(fd, 'fileno', None) | |
234 | if fno is not None and fno() >= 0: |
|
235 | if fno is not None and fno() >= 0: | |
235 | msvcrt.setmode(fno(), os.O_BINARY) |
|
236 | msvcrt.setmode(fno(), os.O_BINARY) | |
236 |
|
237 | |||
237 | def pconvert(path): |
|
238 | def pconvert(path): | |
238 | return path.replace(pycompat.ossep, '/') |
|
239 | return path.replace(pycompat.ossep, '/') | |
239 |
|
240 | |||
240 | def localpath(path): |
|
241 | def localpath(path): | |
241 | return path.replace('/', '\\') |
|
242 | return path.replace('/', '\\') | |
242 |
|
243 | |||
243 | def normpath(path): |
|
244 | def normpath(path): | |
244 | return pconvert(os.path.normpath(path)) |
|
245 | return pconvert(os.path.normpath(path)) | |
245 |
|
246 | |||
246 | def normcase(path): |
|
247 | def normcase(path): | |
247 | return encoding.upper(path) # NTFS compares via upper() |
|
248 | return encoding.upper(path) # NTFS compares via upper() | |
248 |
|
249 | |||
249 | # see posix.py for definitions |
|
250 | # see posix.py for definitions | |
250 | normcasespec = encoding.normcasespecs.upper |
|
251 | normcasespec = encoding.normcasespecs.upper | |
251 | normcasefallback = encoding.upperfallback |
|
252 | normcasefallback = encoding.upperfallback | |
252 |
|
253 | |||
253 | def samestat(s1, s2): |
|
254 | def samestat(s1, s2): | |
254 | return False |
|
255 | return False | |
255 |
|
256 | |||
|
257 | def shelltocmdexe(path, env): | |||
|
258 | r"""Convert shell variables in the form $var and ${var} inside ``path`` | |||
|
259 | to %var% form. Existing Windows style variables are left unchanged. | |||
|
260 | ||||
|
261 | The variables are limited to the given environment. Unknown variables are | |||
|
262 | left unchanged. | |||
|
263 | ||||
|
264 | >>> e = {b'var1': b'v1', b'var2': b'v2', b'var3': b'v3'} | |||
|
265 | >>> # Only valid values are expanded | |||
|
266 | >>> shelltocmdexe(b'cmd $var1 ${var2} %var3% $missing ${missing} %missing%', | |||
|
267 | ... e) | |||
|
268 | 'cmd %var1% %var2% %var3% $missing ${missing} %missing%' | |||
|
269 | >>> # Single quote prevents expansion, as does \$ escaping | |||
|
270 | >>> shelltocmdexe(b"cmd '$var1 ${var2} %var3%' \$var1 \${var2} \\", e) | |||
|
271 | "cmd '$var1 ${var2} %var3%' $var1 ${var2} \\" | |||
|
272 | >>> # $$ -> $, %% is not special, but can be the end and start of variables | |||
|
273 | >>> shelltocmdexe(b"cmd $$ %% %var1%%var2%", e) | |||
|
274 | 'cmd $ %% %var1%%var2%' | |||
|
275 | >>> # No double substitution | |||
|
276 | >>> shelltocmdexe(b"$var1 %var1%", {b'var1': b'%var2%', b'var2': b'boom'}) | |||
|
277 | '%var1% %var1%' | |||
|
278 | """ | |||
|
279 | if b'$' not in path: | |||
|
280 | return path | |||
|
281 | ||||
|
282 | varchars = pycompat.sysbytes(string.ascii_letters + string.digits) + b'_-' | |||
|
283 | ||||
|
284 | res = b'' | |||
|
285 | index = 0 | |||
|
286 | pathlen = len(path) | |||
|
287 | while index < pathlen: | |||
|
288 | c = path[index] | |||
|
289 | if c == b'\'': # no expansion within single quotes | |||
|
290 | path = path[index + 1:] | |||
|
291 | pathlen = len(path) | |||
|
292 | try: | |||
|
293 | index = path.index(b'\'') | |||
|
294 | res += b'\'' + path[:index + 1] | |||
|
295 | except ValueError: | |||
|
296 | res += c + path | |||
|
297 | index = pathlen - 1 | |||
|
298 | elif c == b'%': # variable | |||
|
299 | path = path[index + 1:] | |||
|
300 | pathlen = len(path) | |||
|
301 | try: | |||
|
302 | index = path.index(b'%') | |||
|
303 | except ValueError: | |||
|
304 | res += b'%' + path | |||
|
305 | index = pathlen - 1 | |||
|
306 | else: | |||
|
307 | var = path[:index] | |||
|
308 | res += b'%' + var + b'%' | |||
|
309 | elif c == b'$': # variable or '$$' | |||
|
310 | if path[index + 1:index + 2] == b'$': | |||
|
311 | res += c | |||
|
312 | index += 1 | |||
|
313 | elif path[index + 1:index + 2] == b'{': | |||
|
314 | path = path[index + 2:] | |||
|
315 | pathlen = len(path) | |||
|
316 | try: | |||
|
317 | index = path.index(b'}') | |||
|
318 | var = path[:index] | |||
|
319 | ||||
|
320 | # See below for why empty variables are handled specially | |||
|
321 | if env.get(var, '') != '': | |||
|
322 | res += b'%' + var + b'%' | |||
|
323 | else: | |||
|
324 | res += b'${' + var + b'}' | |||
|
325 | except ValueError: | |||
|
326 | res += b'${' + path | |||
|
327 | index = pathlen - 1 | |||
|
328 | else: | |||
|
329 | var = b'' | |||
|
330 | index += 1 | |||
|
331 | c = path[index:index + 1] | |||
|
332 | while c != b'' and c in varchars: | |||
|
333 | var += c | |||
|
334 | index += 1 | |||
|
335 | c = path[index:index + 1] | |||
|
336 | # Some variables (like HG_OLDNODE) may be defined, but have an | |||
|
337 | # empty value. Those need to be skipped because when spawning | |||
|
338 | # cmd.exe to run the hook, it doesn't replace %VAR% for an empty | |||
|
339 | # VAR, and that really confuses things like revset expressions. | |||
|
340 | # OTOH, if it's left in Unix format and the hook runs sh.exe, it | |||
|
341 | # will substitute to an empty string, and everything is happy. | |||
|
342 | if env.get(var, '') != '': | |||
|
343 | res += b'%' + var + b'%' | |||
|
344 | else: | |||
|
345 | res += b'$' + var | |||
|
346 | ||||
|
347 | if c != '': | |||
|
348 | index -= 1 | |||
|
349 | elif c == b'\\' and index + 1 < pathlen and path[index + 1] == b'$': | |||
|
350 | # Skip '\', but only if it is escaping $ | |||
|
351 | res += b'$' | |||
|
352 | index += 1 | |||
|
353 | else: | |||
|
354 | res += c | |||
|
355 | ||||
|
356 | index += 1 | |||
|
357 | return res | |||
|
358 | ||||
256 | # A sequence of backslashes is special iff it precedes a double quote: |
|
359 | # A sequence of backslashes is special iff it precedes a double quote: | |
257 | # - if there's an even number of backslashes, the double quote is not |
|
360 | # - if there's an even number of backslashes, the double quote is not | |
258 | # quoted (i.e. it ends the quoted region) |
|
361 | # quoted (i.e. it ends the quoted region) | |
259 | # - if there's an odd number of backslashes, the double quote is quoted |
|
362 | # - if there's an odd number of backslashes, the double quote is quoted | |
260 | # - in both cases, every pair of backslashes is unquoted into a single |
|
363 | # - in both cases, every pair of backslashes is unquoted into a single | |
261 | # backslash |
|
364 | # backslash | |
262 | # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) |
|
365 | # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) | |
263 | # So, to quote a string, we must surround it in double quotes, double |
|
366 | # So, to quote a string, we must surround it in double quotes, double | |
264 | # the number of backslashes that precede double quotes and add another |
|
367 | # the number of backslashes that precede double quotes and add another | |
265 | # backslash before every double quote (being careful with the double |
|
368 | # backslash before every double quote (being careful with the double | |
266 | # quote we've appended to the end) |
|
369 | # quote we've appended to the end) | |
267 | _quotere = None |
|
370 | _quotere = None | |
268 | _needsshellquote = None |
|
371 | _needsshellquote = None | |
269 | def shellquote(s): |
|
372 | def shellquote(s): | |
270 | r""" |
|
373 | r""" | |
271 | >>> shellquote(br'C:\Users\xyz') |
|
374 | >>> shellquote(br'C:\Users\xyz') | |
272 | '"C:\\Users\\xyz"' |
|
375 | '"C:\\Users\\xyz"' | |
273 | >>> shellquote(br'C:\Users\xyz/mixed') |
|
376 | >>> shellquote(br'C:\Users\xyz/mixed') | |
274 | '"C:\\Users\\xyz/mixed"' |
|
377 | '"C:\\Users\\xyz/mixed"' | |
275 | >>> # Would be safe not to quote too, since it is all double backslashes |
|
378 | >>> # Would be safe not to quote too, since it is all double backslashes | |
276 | >>> shellquote(br'C:\\Users\\xyz') |
|
379 | >>> shellquote(br'C:\\Users\\xyz') | |
277 | '"C:\\\\Users\\\\xyz"' |
|
380 | '"C:\\\\Users\\\\xyz"' | |
278 | >>> # But this must be quoted |
|
381 | >>> # But this must be quoted | |
279 | >>> shellquote(br'C:\\Users\\xyz/abc') |
|
382 | >>> shellquote(br'C:\\Users\\xyz/abc') | |
280 | '"C:\\\\Users\\\\xyz/abc"' |
|
383 | '"C:\\\\Users\\\\xyz/abc"' | |
281 | """ |
|
384 | """ | |
282 | global _quotere |
|
385 | global _quotere | |
283 | if _quotere is None: |
|
386 | if _quotere is None: | |
284 | _quotere = re.compile(r'(\\*)("|\\$)') |
|
387 | _quotere = re.compile(r'(\\*)("|\\$)') | |
285 | global _needsshellquote |
|
388 | global _needsshellquote | |
286 | if _needsshellquote is None: |
|
389 | if _needsshellquote is None: | |
287 | # ":" is also treated as "safe character", because it is used as a part |
|
390 | # ":" is also treated as "safe character", because it is used as a part | |
288 | # of path name on Windows. "\" is also part of a path name, but isn't |
|
391 | # of path name on Windows. "\" is also part of a path name, but isn't | |
289 | # safe because shlex.split() (kind of) treats it as an escape char and |
|
392 | # safe because shlex.split() (kind of) treats it as an escape char and | |
290 | # drops it. It will leave the next character, even if it is another |
|
393 | # drops it. It will leave the next character, even if it is another | |
291 | # "\". |
|
394 | # "\". | |
292 | _needsshellquote = re.compile(r'[^a-zA-Z0-9._:/-]').search |
|
395 | _needsshellquote = re.compile(r'[^a-zA-Z0-9._:/-]').search | |
293 | if s and not _needsshellquote(s) and not _quotere.search(s): |
|
396 | if s and not _needsshellquote(s) and not _quotere.search(s): | |
294 | # "s" shouldn't have to be quoted |
|
397 | # "s" shouldn't have to be quoted | |
295 | return s |
|
398 | return s | |
296 | return '"%s"' % _quotere.sub(r'\1\1\\\2', s) |
|
399 | return '"%s"' % _quotere.sub(r'\1\1\\\2', s) | |
297 |
|
400 | |||
298 | def _unquote(s): |
|
401 | def _unquote(s): | |
299 | if s.startswith(b'"') and s.endswith(b'"'): |
|
402 | if s.startswith(b'"') and s.endswith(b'"'): | |
300 | return s[1:-1] |
|
403 | return s[1:-1] | |
301 | return s |
|
404 | return s | |
302 |
|
405 | |||
303 | def shellsplit(s): |
|
406 | def shellsplit(s): | |
304 | """Parse a command string in cmd.exe way (best-effort)""" |
|
407 | """Parse a command string in cmd.exe way (best-effort)""" | |
305 | return pycompat.maplist(_unquote, pycompat.shlexsplit(s, posix=False)) |
|
408 | return pycompat.maplist(_unquote, pycompat.shlexsplit(s, posix=False)) | |
306 |
|
409 | |||
307 | def quotecommand(cmd): |
|
410 | def quotecommand(cmd): | |
308 | """Build a command string suitable for os.popen* calls.""" |
|
411 | """Build a command string suitable for os.popen* calls.""" | |
309 | if sys.version_info < (2, 7, 1): |
|
412 | if sys.version_info < (2, 7, 1): | |
310 | # Python versions since 2.7.1 do this extra quoting themselves |
|
413 | # Python versions since 2.7.1 do this extra quoting themselves | |
311 | return '"' + cmd + '"' |
|
414 | return '"' + cmd + '"' | |
312 | return cmd |
|
415 | return cmd | |
313 |
|
416 | |||
314 | # if you change this stub into a real check, please try to implement the |
|
417 | # if you change this stub into a real check, please try to implement the | |
315 | # username and groupname functions above, too. |
|
418 | # username and groupname functions above, too. | |
316 | def isowner(st): |
|
419 | def isowner(st): | |
317 | return True |
|
420 | return True | |
318 |
|
421 | |||
319 | def findexe(command): |
|
422 | def findexe(command): | |
320 | '''Find executable for command searching like cmd.exe does. |
|
423 | '''Find executable for command searching like cmd.exe does. | |
321 | If command is a basename then PATH is searched for command. |
|
424 | If command is a basename then PATH is searched for command. | |
322 | PATH isn't searched if command is an absolute or relative path. |
|
425 | PATH isn't searched if command is an absolute or relative path. | |
323 | An extension from PATHEXT is found and added if not present. |
|
426 | An extension from PATHEXT is found and added if not present. | |
324 | If command isn't found None is returned.''' |
|
427 | If command isn't found None is returned.''' | |
325 | pathext = encoding.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') |
|
428 | pathext = encoding.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') | |
326 | pathexts = [ext for ext in pathext.lower().split(pycompat.ospathsep)] |
|
429 | pathexts = [ext for ext in pathext.lower().split(pycompat.ospathsep)] | |
327 | if os.path.splitext(command)[1].lower() in pathexts: |
|
430 | if os.path.splitext(command)[1].lower() in pathexts: | |
328 | pathexts = [''] |
|
431 | pathexts = [''] | |
329 |
|
432 | |||
330 | def findexisting(pathcommand): |
|
433 | def findexisting(pathcommand): | |
331 | 'Will append extension (if needed) and return existing file' |
|
434 | 'Will append extension (if needed) and return existing file' | |
332 | for ext in pathexts: |
|
435 | for ext in pathexts: | |
333 | executable = pathcommand + ext |
|
436 | executable = pathcommand + ext | |
334 | if os.path.exists(executable): |
|
437 | if os.path.exists(executable): | |
335 | return executable |
|
438 | return executable | |
336 | return None |
|
439 | return None | |
337 |
|
440 | |||
338 | if pycompat.ossep in command: |
|
441 | if pycompat.ossep in command: | |
339 | return findexisting(command) |
|
442 | return findexisting(command) | |
340 |
|
443 | |||
341 | for path in encoding.environ.get('PATH', '').split(pycompat.ospathsep): |
|
444 | for path in encoding.environ.get('PATH', '').split(pycompat.ospathsep): | |
342 | executable = findexisting(os.path.join(path, command)) |
|
445 | executable = findexisting(os.path.join(path, command)) | |
343 | if executable is not None: |
|
446 | if executable is not None: | |
344 | return executable |
|
447 | return executable | |
345 | return findexisting(os.path.expanduser(os.path.expandvars(command))) |
|
448 | return findexisting(os.path.expanduser(os.path.expandvars(command))) | |
346 |
|
449 | |||
347 | _wantedkinds = {stat.S_IFREG, stat.S_IFLNK} |
|
450 | _wantedkinds = {stat.S_IFREG, stat.S_IFLNK} | |
348 |
|
451 | |||
349 | def statfiles(files): |
|
452 | def statfiles(files): | |
350 | '''Stat each file in files. Yield each stat, or None if a file |
|
453 | '''Stat each file in files. Yield each stat, or None if a file | |
351 | does not exist or has a type we don't care about. |
|
454 | does not exist or has a type we don't care about. | |
352 |
|
455 | |||
353 | Cluster and cache stat per directory to minimize number of OS stat calls.''' |
|
456 | Cluster and cache stat per directory to minimize number of OS stat calls.''' | |
354 | dircache = {} # dirname -> filename -> status | None if file does not exist |
|
457 | dircache = {} # dirname -> filename -> status | None if file does not exist | |
355 | getkind = stat.S_IFMT |
|
458 | getkind = stat.S_IFMT | |
356 | for nf in files: |
|
459 | for nf in files: | |
357 | nf = normcase(nf) |
|
460 | nf = normcase(nf) | |
358 | dir, base = os.path.split(nf) |
|
461 | dir, base = os.path.split(nf) | |
359 | if not dir: |
|
462 | if not dir: | |
360 | dir = '.' |
|
463 | dir = '.' | |
361 | cache = dircache.get(dir, None) |
|
464 | cache = dircache.get(dir, None) | |
362 | if cache is None: |
|
465 | if cache is None: | |
363 | try: |
|
466 | try: | |
364 | dmap = dict([(normcase(n), s) |
|
467 | dmap = dict([(normcase(n), s) | |
365 | for n, k, s in listdir(dir, True) |
|
468 | for n, k, s in listdir(dir, True) | |
366 | if getkind(s.st_mode) in _wantedkinds]) |
|
469 | if getkind(s.st_mode) in _wantedkinds]) | |
367 | except OSError as err: |
|
470 | except OSError as err: | |
368 | # Python >= 2.5 returns ENOENT and adds winerror field |
|
471 | # Python >= 2.5 returns ENOENT and adds winerror field | |
369 | # EINVAL is raised if dir is not a directory. |
|
472 | # EINVAL is raised if dir is not a directory. | |
370 | if err.errno not in (errno.ENOENT, errno.EINVAL, |
|
473 | if err.errno not in (errno.ENOENT, errno.EINVAL, | |
371 | errno.ENOTDIR): |
|
474 | errno.ENOTDIR): | |
372 | raise |
|
475 | raise | |
373 | dmap = {} |
|
476 | dmap = {} | |
374 | cache = dircache.setdefault(dir, dmap) |
|
477 | cache = dircache.setdefault(dir, dmap) | |
375 | yield cache.get(base, None) |
|
478 | yield cache.get(base, None) | |
376 |
|
479 | |||
377 | def username(uid=None): |
|
480 | def username(uid=None): | |
378 | """Return the name of the user with the given uid. |
|
481 | """Return the name of the user with the given uid. | |
379 |
|
482 | |||
380 | If uid is None, return the name of the current user.""" |
|
483 | If uid is None, return the name of the current user.""" | |
381 | return None |
|
484 | return None | |
382 |
|
485 | |||
383 | def groupname(gid=None): |
|
486 | def groupname(gid=None): | |
384 | """Return the name of the group with the given gid. |
|
487 | """Return the name of the group with the given gid. | |
385 |
|
488 | |||
386 | If gid is None, return the name of the current group.""" |
|
489 | If gid is None, return the name of the current group.""" | |
387 | return None |
|
490 | return None | |
388 |
|
491 | |||
389 | def removedirs(name): |
|
492 | def removedirs(name): | |
390 | """special version of os.removedirs that does not remove symlinked |
|
493 | """special version of os.removedirs that does not remove symlinked | |
391 | directories or junction points if they actually contain files""" |
|
494 | directories or junction points if they actually contain files""" | |
392 | if listdir(name): |
|
495 | if listdir(name): | |
393 | return |
|
496 | return | |
394 | os.rmdir(name) |
|
497 | os.rmdir(name) | |
395 | head, tail = os.path.split(name) |
|
498 | head, tail = os.path.split(name) | |
396 | if not tail: |
|
499 | if not tail: | |
397 | head, tail = os.path.split(head) |
|
500 | head, tail = os.path.split(head) | |
398 | while head and tail: |
|
501 | while head and tail: | |
399 | try: |
|
502 | try: | |
400 | if listdir(head): |
|
503 | if listdir(head): | |
401 | return |
|
504 | return | |
402 | os.rmdir(head) |
|
505 | os.rmdir(head) | |
403 | except (ValueError, OSError): |
|
506 | except (ValueError, OSError): | |
404 | break |
|
507 | break | |
405 | head, tail = os.path.split(head) |
|
508 | head, tail = os.path.split(head) | |
406 |
|
509 | |||
407 | def rename(src, dst): |
|
510 | def rename(src, dst): | |
408 | '''atomically rename file src to dst, replacing dst if it exists''' |
|
511 | '''atomically rename file src to dst, replacing dst if it exists''' | |
409 | try: |
|
512 | try: | |
410 | os.rename(src, dst) |
|
513 | os.rename(src, dst) | |
411 | except OSError as e: |
|
514 | except OSError as e: | |
412 | if e.errno != errno.EEXIST: |
|
515 | if e.errno != errno.EEXIST: | |
413 | raise |
|
516 | raise | |
414 | unlink(dst) |
|
517 | unlink(dst) | |
415 | os.rename(src, dst) |
|
518 | os.rename(src, dst) | |
416 |
|
519 | |||
417 | def gethgcmd(): |
|
520 | def gethgcmd(): | |
418 | return [sys.executable] + sys.argv[:1] |
|
521 | return [sys.executable] + sys.argv[:1] | |
419 |
|
522 | |||
420 | def groupmembers(name): |
|
523 | def groupmembers(name): | |
421 | # Don't support groups on Windows for now |
|
524 | # Don't support groups on Windows for now | |
422 | raise KeyError |
|
525 | raise KeyError | |
423 |
|
526 | |||
424 | def isexec(f): |
|
527 | def isexec(f): | |
425 | return False |
|
528 | return False | |
426 |
|
529 | |||
427 | class cachestat(object): |
|
530 | class cachestat(object): | |
428 | def __init__(self, path): |
|
531 | def __init__(self, path): | |
429 | pass |
|
532 | pass | |
430 |
|
533 | |||
431 | def cacheable(self): |
|
534 | def cacheable(self): | |
432 | return False |
|
535 | return False | |
433 |
|
536 | |||
434 | def lookupreg(key, valname=None, scope=None): |
|
537 | def lookupreg(key, valname=None, scope=None): | |
435 | ''' Look up a key/value name in the Windows registry. |
|
538 | ''' Look up a key/value name in the Windows registry. | |
436 |
|
539 | |||
437 | valname: value name. If unspecified, the default value for the key |
|
540 | valname: value name. If unspecified, the default value for the key | |
438 | is used. |
|
541 | is used. | |
439 | scope: optionally specify scope for registry lookup, this can be |
|
542 | scope: optionally specify scope for registry lookup, this can be | |
440 | a sequence of scopes to look up in order. Default (CURRENT_USER, |
|
543 | a sequence of scopes to look up in order. Default (CURRENT_USER, | |
441 | LOCAL_MACHINE). |
|
544 | LOCAL_MACHINE). | |
442 | ''' |
|
545 | ''' | |
443 | if scope is None: |
|
546 | if scope is None: | |
444 | scope = (winreg.HKEY_CURRENT_USER, winreg.HKEY_LOCAL_MACHINE) |
|
547 | scope = (winreg.HKEY_CURRENT_USER, winreg.HKEY_LOCAL_MACHINE) | |
445 | elif not isinstance(scope, (list, tuple)): |
|
548 | elif not isinstance(scope, (list, tuple)): | |
446 | scope = (scope,) |
|
549 | scope = (scope,) | |
447 | for s in scope: |
|
550 | for s in scope: | |
448 | try: |
|
551 | try: | |
449 | val = winreg.QueryValueEx(winreg.OpenKey(s, key), valname)[0] |
|
552 | val = winreg.QueryValueEx(winreg.OpenKey(s, key), valname)[0] | |
450 | # never let a Unicode string escape into the wild |
|
553 | # never let a Unicode string escape into the wild | |
451 | return encoding.unitolocal(val) |
|
554 | return encoding.unitolocal(val) | |
452 | except EnvironmentError: |
|
555 | except EnvironmentError: | |
453 | pass |
|
556 | pass | |
454 |
|
557 | |||
455 | expandglobs = True |
|
558 | expandglobs = True | |
456 |
|
559 | |||
457 | def statislink(st): |
|
560 | def statislink(st): | |
458 | '''check whether a stat result is a symlink''' |
|
561 | '''check whether a stat result is a symlink''' | |
459 | return False |
|
562 | return False | |
460 |
|
563 | |||
461 | def statisexec(st): |
|
564 | def statisexec(st): | |
462 | '''check whether a stat result is an executable file''' |
|
565 | '''check whether a stat result is an executable file''' | |
463 | return False |
|
566 | return False | |
464 |
|
567 | |||
465 | def poll(fds): |
|
568 | def poll(fds): | |
466 | # see posix.py for description |
|
569 | # see posix.py for description | |
467 | raise NotImplementedError() |
|
570 | raise NotImplementedError() | |
468 |
|
571 | |||
469 | def readpipe(pipe): |
|
572 | def readpipe(pipe): | |
470 | """Read all available data from a pipe.""" |
|
573 | """Read all available data from a pipe.""" | |
471 | chunks = [] |
|
574 | chunks = [] | |
472 | while True: |
|
575 | while True: | |
473 | size = win32.peekpipe(pipe) |
|
576 | size = win32.peekpipe(pipe) | |
474 | if not size: |
|
577 | if not size: | |
475 | break |
|
578 | break | |
476 |
|
579 | |||
477 | s = pipe.read(size) |
|
580 | s = pipe.read(size) | |
478 | if not s: |
|
581 | if not s: | |
479 | break |
|
582 | break | |
480 | chunks.append(s) |
|
583 | chunks.append(s) | |
481 |
|
584 | |||
482 | return ''.join(chunks) |
|
585 | return ''.join(chunks) | |
483 |
|
586 | |||
484 | def bindunixsocket(sock, path): |
|
587 | def bindunixsocket(sock, path): | |
485 | raise NotImplementedError('unsupported platform') |
|
588 | raise NotImplementedError('unsupported platform') |
General Comments 0
You need to be logged in to leave comments.
Login now