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@@ -1,286 +1,286 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 i18n import _ |
|
8 | from i18n import _ | |
9 | import osutil |
|
9 | import osutil | |
10 | import errno, msvcrt, os, re, sys |
|
10 | import errno, msvcrt, os, re, sys | |
11 |
|
11 | |||
12 | nulldev = 'NUL:' |
|
12 | nulldev = 'NUL:' | |
13 | umask = 002 |
|
13 | umask = 002 | |
14 |
|
14 | |||
15 | # wrap osutil.posixfile to provide friendlier exceptions |
|
15 | # wrap osutil.posixfile to provide friendlier exceptions | |
16 | def posixfile(name, mode='r', buffering=-1): |
|
16 | def posixfile(name, mode='r', buffering=-1): | |
17 | try: |
|
17 | try: | |
18 | return osutil.posixfile(name, mode, buffering) |
|
18 | return osutil.posixfile(name, mode, buffering) | |
19 | except WindowsError, err: |
|
19 | except WindowsError, err: | |
20 | raise IOError(err.errno, '%s: %s' % (name, err.strerror)) |
|
20 | raise IOError(err.errno, '%s: %s' % (name, err.strerror)) | |
21 | posixfile.__doc__ = osutil.posixfile.__doc__ |
|
21 | posixfile.__doc__ = osutil.posixfile.__doc__ | |
22 |
|
22 | |||
23 | class winstdout(object): |
|
23 | class winstdout(object): | |
24 | '''stdout on windows misbehaves if sent through a pipe''' |
|
24 | '''stdout on windows misbehaves if sent through a pipe''' | |
25 |
|
25 | |||
26 | def __init__(self, fp): |
|
26 | def __init__(self, fp): | |
27 | self.fp = fp |
|
27 | self.fp = fp | |
28 |
|
28 | |||
29 | def __getattr__(self, key): |
|
29 | def __getattr__(self, key): | |
30 | return getattr(self.fp, key) |
|
30 | return getattr(self.fp, key) | |
31 |
|
31 | |||
32 | def close(self): |
|
32 | def close(self): | |
33 | try: |
|
33 | try: | |
34 | self.fp.close() |
|
34 | self.fp.close() | |
35 | except IOError: |
|
35 | except IOError: | |
36 | pass |
|
36 | pass | |
37 |
|
37 | |||
38 | def write(self, s): |
|
38 | def write(self, s): | |
39 | try: |
|
39 | try: | |
40 | # This is workaround for "Not enough space" error on |
|
40 | # This is workaround for "Not enough space" error on | |
41 | # writing large size of data to console. |
|
41 | # writing large size of data to console. | |
42 | limit = 16000 |
|
42 | limit = 16000 | |
43 | l = len(s) |
|
43 | l = len(s) | |
44 | start = 0 |
|
44 | start = 0 | |
45 | self.softspace = 0 |
|
45 | self.softspace = 0 | |
46 | while start < l: |
|
46 | while start < l: | |
47 | end = start + limit |
|
47 | end = start + limit | |
48 | self.fp.write(s[start:end]) |
|
48 | self.fp.write(s[start:end]) | |
49 | start = end |
|
49 | start = end | |
50 | except IOError, inst: |
|
50 | except IOError, inst: | |
51 | if inst.errno != 0: |
|
51 | if inst.errno != 0: | |
52 | raise |
|
52 | raise | |
53 | self.close() |
|
53 | self.close() | |
54 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
54 | raise IOError(errno.EPIPE, 'Broken pipe') | |
55 |
|
55 | |||
56 | def flush(self): |
|
56 | def flush(self): | |
57 | try: |
|
57 | try: | |
58 | return self.fp.flush() |
|
58 | return self.fp.flush() | |
59 | except IOError, inst: |
|
59 | except IOError, inst: | |
60 | if inst.errno != errno.EINVAL: |
|
60 | if inst.errno != errno.EINVAL: | |
61 | raise |
|
61 | raise | |
62 | self.close() |
|
62 | self.close() | |
63 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
63 | raise IOError(errno.EPIPE, 'Broken pipe') | |
64 |
|
64 | |||
65 | sys.stdout = winstdout(sys.stdout) |
|
65 | sys.__stdout__ = sys.stdout = winstdout(sys.stdout) | |
66 |
|
66 | |||
67 | def _is_win_9x(): |
|
67 | def _is_win_9x(): | |
68 | '''return true if run on windows 95, 98 or me.''' |
|
68 | '''return true if run on windows 95, 98 or me.''' | |
69 | try: |
|
69 | try: | |
70 | return sys.getwindowsversion()[3] == 1 |
|
70 | return sys.getwindowsversion()[3] == 1 | |
71 | except AttributeError: |
|
71 | except AttributeError: | |
72 | return 'command' in os.environ.get('comspec', '') |
|
72 | return 'command' in os.environ.get('comspec', '') | |
73 |
|
73 | |||
74 | def openhardlinks(): |
|
74 | def openhardlinks(): | |
75 | return not _is_win_9x() |
|
75 | return not _is_win_9x() | |
76 |
|
76 | |||
77 | def parsepatchoutput(output_line): |
|
77 | def parsepatchoutput(output_line): | |
78 | """parses the output produced by patch and returns the filename""" |
|
78 | """parses the output produced by patch and returns the filename""" | |
79 | pf = output_line[14:] |
|
79 | pf = output_line[14:] | |
80 | if pf[0] == '`': |
|
80 | if pf[0] == '`': | |
81 | pf = pf[1:-1] # Remove the quotes |
|
81 | pf = pf[1:-1] # Remove the quotes | |
82 | return pf |
|
82 | return pf | |
83 |
|
83 | |||
84 | def sshargs(sshcmd, host, user, port): |
|
84 | def sshargs(sshcmd, host, user, port): | |
85 | '''Build argument list for ssh or Plink''' |
|
85 | '''Build argument list for ssh or Plink''' | |
86 | pflag = 'plink' in sshcmd.lower() and '-P' or '-p' |
|
86 | pflag = 'plink' in sshcmd.lower() and '-P' or '-p' | |
87 | args = user and ("%s@%s" % (user, host)) or host |
|
87 | args = user and ("%s@%s" % (user, host)) or host | |
88 | return port and ("%s %s %s" % (args, pflag, port)) or args |
|
88 | return port and ("%s %s %s" % (args, pflag, port)) or args | |
89 |
|
89 | |||
90 | def setflags(f, l, x): |
|
90 | def setflags(f, l, x): | |
91 | pass |
|
91 | pass | |
92 |
|
92 | |||
93 | def checkexec(path): |
|
93 | def checkexec(path): | |
94 | return False |
|
94 | return False | |
95 |
|
95 | |||
96 | def checklink(path): |
|
96 | def checklink(path): | |
97 | return False |
|
97 | return False | |
98 |
|
98 | |||
99 | def setbinary(fd): |
|
99 | def setbinary(fd): | |
100 | # When run without console, pipes may expose invalid |
|
100 | # When run without console, pipes may expose invalid | |
101 | # fileno(), usually set to -1. |
|
101 | # fileno(), usually set to -1. | |
102 | if hasattr(fd, 'fileno') and fd.fileno() >= 0: |
|
102 | if hasattr(fd, 'fileno') and fd.fileno() >= 0: | |
103 | msvcrt.setmode(fd.fileno(), os.O_BINARY) |
|
103 | msvcrt.setmode(fd.fileno(), os.O_BINARY) | |
104 |
|
104 | |||
105 | def pconvert(path): |
|
105 | def pconvert(path): | |
106 | return '/'.join(path.split(os.sep)) |
|
106 | return '/'.join(path.split(os.sep)) | |
107 |
|
107 | |||
108 | def localpath(path): |
|
108 | def localpath(path): | |
109 | return path.replace('/', '\\') |
|
109 | return path.replace('/', '\\') | |
110 |
|
110 | |||
111 | def normpath(path): |
|
111 | def normpath(path): | |
112 | return pconvert(os.path.normpath(path)) |
|
112 | return pconvert(os.path.normpath(path)) | |
113 |
|
113 | |||
114 | def realpath(path): |
|
114 | def realpath(path): | |
115 | ''' |
|
115 | ''' | |
116 | Returns the true, canonical file system path equivalent to the given |
|
116 | Returns the true, canonical file system path equivalent to the given | |
117 | path. |
|
117 | path. | |
118 | ''' |
|
118 | ''' | |
119 | # TODO: There may be a more clever way to do this that also handles other, |
|
119 | # TODO: There may be a more clever way to do this that also handles other, | |
120 | # less common file systems. |
|
120 | # less common file systems. | |
121 | return os.path.normpath(os.path.normcase(os.path.realpath(path))) |
|
121 | return os.path.normpath(os.path.normcase(os.path.realpath(path))) | |
122 |
|
122 | |||
123 | def samestat(s1, s2): |
|
123 | def samestat(s1, s2): | |
124 | return False |
|
124 | return False | |
125 |
|
125 | |||
126 | # A sequence of backslashes is special iff it precedes a double quote: |
|
126 | # A sequence of backslashes is special iff it precedes a double quote: | |
127 | # - if there's an even number of backslashes, the double quote is not |
|
127 | # - if there's an even number of backslashes, the double quote is not | |
128 | # quoted (i.e. it ends the quoted region) |
|
128 | # quoted (i.e. it ends the quoted region) | |
129 | # - if there's an odd number of backslashes, the double quote is quoted |
|
129 | # - if there's an odd number of backslashes, the double quote is quoted | |
130 | # - in both cases, every pair of backslashes is unquoted into a single |
|
130 | # - in both cases, every pair of backslashes is unquoted into a single | |
131 | # backslash |
|
131 | # backslash | |
132 | # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) |
|
132 | # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) | |
133 | # So, to quote a string, we must surround it in double quotes, double |
|
133 | # So, to quote a string, we must surround it in double quotes, double | |
134 | # the number of backslashes that preceed double quotes and add another |
|
134 | # the number of backslashes that preceed double quotes and add another | |
135 | # backslash before every double quote (being careful with the double |
|
135 | # backslash before every double quote (being careful with the double | |
136 | # quote we've appended to the end) |
|
136 | # quote we've appended to the end) | |
137 | _quotere = None |
|
137 | _quotere = None | |
138 | def shellquote(s): |
|
138 | def shellquote(s): | |
139 | global _quotere |
|
139 | global _quotere | |
140 | if _quotere is None: |
|
140 | if _quotere is None: | |
141 | _quotere = re.compile(r'(\\*)("|\\$)') |
|
141 | _quotere = re.compile(r'(\\*)("|\\$)') | |
142 | return '"%s"' % _quotere.sub(r'\1\1\\\2', s) |
|
142 | return '"%s"' % _quotere.sub(r'\1\1\\\2', s) | |
143 |
|
143 | |||
144 | def quotecommand(cmd): |
|
144 | def quotecommand(cmd): | |
145 | """Build a command string suitable for os.popen* calls.""" |
|
145 | """Build a command string suitable for os.popen* calls.""" | |
146 | if sys.version_info < (2, 7, 1): |
|
146 | if sys.version_info < (2, 7, 1): | |
147 | # Python versions since 2.7.1 do this extra quoting themselves |
|
147 | # Python versions since 2.7.1 do this extra quoting themselves | |
148 | return '"' + cmd + '"' |
|
148 | return '"' + cmd + '"' | |
149 | return cmd |
|
149 | return cmd | |
150 |
|
150 | |||
151 | def popen(command, mode='r'): |
|
151 | def popen(command, mode='r'): | |
152 | # Work around "popen spawned process may not write to stdout |
|
152 | # Work around "popen spawned process may not write to stdout | |
153 | # under windows" |
|
153 | # under windows" | |
154 | # http://bugs.python.org/issue1366 |
|
154 | # http://bugs.python.org/issue1366 | |
155 | command += " 2> %s" % nulldev |
|
155 | command += " 2> %s" % nulldev | |
156 | return os.popen(quotecommand(command), mode) |
|
156 | return os.popen(quotecommand(command), mode) | |
157 |
|
157 | |||
158 | def explainexit(code): |
|
158 | def explainexit(code): | |
159 | return _("exited with status %d") % code, code |
|
159 | return _("exited with status %d") % code, code | |
160 |
|
160 | |||
161 | # if you change this stub into a real check, please try to implement the |
|
161 | # if you change this stub into a real check, please try to implement the | |
162 | # username and groupname functions above, too. |
|
162 | # username and groupname functions above, too. | |
163 | def isowner(st): |
|
163 | def isowner(st): | |
164 | return True |
|
164 | return True | |
165 |
|
165 | |||
166 | def findexe(command): |
|
166 | def findexe(command): | |
167 | '''Find executable for command searching like cmd.exe does. |
|
167 | '''Find executable for command searching like cmd.exe does. | |
168 | If command is a basename then PATH is searched for command. |
|
168 | If command is a basename then PATH is searched for command. | |
169 | PATH isn't searched if command is an absolute or relative path. |
|
169 | PATH isn't searched if command is an absolute or relative path. | |
170 | An extension from PATHEXT is found and added if not present. |
|
170 | An extension from PATHEXT is found and added if not present. | |
171 | If command isn't found None is returned.''' |
|
171 | If command isn't found None is returned.''' | |
172 | pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') |
|
172 | pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') | |
173 | pathexts = [ext for ext in pathext.lower().split(os.pathsep)] |
|
173 | pathexts = [ext for ext in pathext.lower().split(os.pathsep)] | |
174 | if os.path.splitext(command)[1].lower() in pathexts: |
|
174 | if os.path.splitext(command)[1].lower() in pathexts: | |
175 | pathexts = [''] |
|
175 | pathexts = [''] | |
176 |
|
176 | |||
177 | def findexisting(pathcommand): |
|
177 | def findexisting(pathcommand): | |
178 | 'Will append extension (if needed) and return existing file' |
|
178 | 'Will append extension (if needed) and return existing file' | |
179 | for ext in pathexts: |
|
179 | for ext in pathexts: | |
180 | executable = pathcommand + ext |
|
180 | executable = pathcommand + ext | |
181 | if os.path.exists(executable): |
|
181 | if os.path.exists(executable): | |
182 | return executable |
|
182 | return executable | |
183 | return None |
|
183 | return None | |
184 |
|
184 | |||
185 | if os.sep in command: |
|
185 | if os.sep in command: | |
186 | return findexisting(command) |
|
186 | return findexisting(command) | |
187 |
|
187 | |||
188 | for path in os.environ.get('PATH', '').split(os.pathsep): |
|
188 | for path in os.environ.get('PATH', '').split(os.pathsep): | |
189 | executable = findexisting(os.path.join(path, command)) |
|
189 | executable = findexisting(os.path.join(path, command)) | |
190 | if executable is not None: |
|
190 | if executable is not None: | |
191 | return executable |
|
191 | return executable | |
192 | return findexisting(os.path.expanduser(os.path.expandvars(command))) |
|
192 | return findexisting(os.path.expanduser(os.path.expandvars(command))) | |
193 |
|
193 | |||
194 | def statfiles(files): |
|
194 | def statfiles(files): | |
195 | '''Stat each file in files and yield stat or None if file does not exist. |
|
195 | '''Stat each file in files and yield stat or None if file does not exist. | |
196 | Cluster and cache stat per directory to minimize number of OS stat calls.''' |
|
196 | Cluster and cache stat per directory to minimize number of OS stat calls.''' | |
197 | ncase = os.path.normcase |
|
197 | ncase = os.path.normcase | |
198 | dircache = {} # dirname -> filename -> status | None if file does not exist |
|
198 | dircache = {} # dirname -> filename -> status | None if file does not exist | |
199 | for nf in files: |
|
199 | for nf in files: | |
200 | nf = ncase(nf) |
|
200 | nf = ncase(nf) | |
201 | dir, base = os.path.split(nf) |
|
201 | dir, base = os.path.split(nf) | |
202 | if not dir: |
|
202 | if not dir: | |
203 | dir = '.' |
|
203 | dir = '.' | |
204 | cache = dircache.get(dir, None) |
|
204 | cache = dircache.get(dir, None) | |
205 | if cache is None: |
|
205 | if cache is None: | |
206 | try: |
|
206 | try: | |
207 | dmap = dict([(ncase(n), s) |
|
207 | dmap = dict([(ncase(n), s) | |
208 | for n, k, s in osutil.listdir(dir, True)]) |
|
208 | for n, k, s in osutil.listdir(dir, True)]) | |
209 | except OSError, err: |
|
209 | except OSError, err: | |
210 | # handle directory not found in Python version prior to 2.5 |
|
210 | # handle directory not found in Python version prior to 2.5 | |
211 | # Python <= 2.4 returns native Windows code 3 in errno |
|
211 | # Python <= 2.4 returns native Windows code 3 in errno | |
212 | # Python >= 2.5 returns ENOENT and adds winerror field |
|
212 | # Python >= 2.5 returns ENOENT and adds winerror field | |
213 | # EINVAL is raised if dir is not a directory. |
|
213 | # EINVAL is raised if dir is not a directory. | |
214 | if err.errno not in (3, errno.ENOENT, errno.EINVAL, |
|
214 | if err.errno not in (3, errno.ENOENT, errno.EINVAL, | |
215 | errno.ENOTDIR): |
|
215 | errno.ENOTDIR): | |
216 | raise |
|
216 | raise | |
217 | dmap = {} |
|
217 | dmap = {} | |
218 | cache = dircache.setdefault(dir, dmap) |
|
218 | cache = dircache.setdefault(dir, dmap) | |
219 | yield cache.get(base, None) |
|
219 | yield cache.get(base, None) | |
220 |
|
220 | |||
221 | def username(uid=None): |
|
221 | def username(uid=None): | |
222 | """Return the name of the user with the given uid. |
|
222 | """Return the name of the user with the given uid. | |
223 |
|
223 | |||
224 | If uid is None, return the name of the current user.""" |
|
224 | If uid is None, return the name of the current user.""" | |
225 | return None |
|
225 | return None | |
226 |
|
226 | |||
227 | def groupname(gid=None): |
|
227 | def groupname(gid=None): | |
228 | """Return the name of the group with the given gid. |
|
228 | """Return the name of the group with the given gid. | |
229 |
|
229 | |||
230 | If gid is None, return the name of the current group.""" |
|
230 | If gid is None, return the name of the current group.""" | |
231 | return None |
|
231 | return None | |
232 |
|
232 | |||
233 | def _removedirs(name): |
|
233 | def _removedirs(name): | |
234 | """special version of os.removedirs that does not remove symlinked |
|
234 | """special version of os.removedirs that does not remove symlinked | |
235 | directories or junction points if they actually contain files""" |
|
235 | directories or junction points if they actually contain files""" | |
236 | if osutil.listdir(name): |
|
236 | if osutil.listdir(name): | |
237 | return |
|
237 | return | |
238 | os.rmdir(name) |
|
238 | os.rmdir(name) | |
239 | head, tail = os.path.split(name) |
|
239 | head, tail = os.path.split(name) | |
240 | if not tail: |
|
240 | if not tail: | |
241 | head, tail = os.path.split(head) |
|
241 | head, tail = os.path.split(head) | |
242 | while head and tail: |
|
242 | while head and tail: | |
243 | try: |
|
243 | try: | |
244 | if osutil.listdir(head): |
|
244 | if osutil.listdir(head): | |
245 | return |
|
245 | return | |
246 | os.rmdir(head) |
|
246 | os.rmdir(head) | |
247 | except (ValueError, OSError): |
|
247 | except (ValueError, OSError): | |
248 | break |
|
248 | break | |
249 | head, tail = os.path.split(head) |
|
249 | head, tail = os.path.split(head) | |
250 |
|
250 | |||
251 | def unlinkpath(f): |
|
251 | def unlinkpath(f): | |
252 | """unlink and remove the directory if it is empty""" |
|
252 | """unlink and remove the directory if it is empty""" | |
253 | unlink(f) |
|
253 | unlink(f) | |
254 | # try removing directories that might now be empty |
|
254 | # try removing directories that might now be empty | |
255 | try: |
|
255 | try: | |
256 | _removedirs(os.path.dirname(f)) |
|
256 | _removedirs(os.path.dirname(f)) | |
257 | except OSError: |
|
257 | except OSError: | |
258 | pass |
|
258 | pass | |
259 |
|
259 | |||
260 | def rename(src, dst): |
|
260 | def rename(src, dst): | |
261 | '''atomically rename file src to dst, replacing dst if it exists''' |
|
261 | '''atomically rename file src to dst, replacing dst if it exists''' | |
262 | try: |
|
262 | try: | |
263 | os.rename(src, dst) |
|
263 | os.rename(src, dst) | |
264 | except OSError, e: |
|
264 | except OSError, e: | |
265 | if e.errno != errno.EEXIST: |
|
265 | if e.errno != errno.EEXIST: | |
266 | raise |
|
266 | raise | |
267 | unlink(dst) |
|
267 | unlink(dst) | |
268 | os.rename(src, dst) |
|
268 | os.rename(src, dst) | |
269 |
|
269 | |||
270 | def gethgcmd(): |
|
270 | def gethgcmd(): | |
271 | return [sys.executable] + sys.argv[:1] |
|
271 | return [sys.executable] + sys.argv[:1] | |
272 |
|
272 | |||
273 | def termwidth(): |
|
273 | def termwidth(): | |
274 | # cmd.exe does not handle CR like a unix console, the CR is |
|
274 | # cmd.exe does not handle CR like a unix console, the CR is | |
275 | # counted in the line length. On 80 columns consoles, if 80 |
|
275 | # counted in the line length. On 80 columns consoles, if 80 | |
276 | # characters are written, the following CR won't apply on the |
|
276 | # characters are written, the following CR won't apply on the | |
277 | # current line but on the new one. Keep room for it. |
|
277 | # current line but on the new one. Keep room for it. | |
278 | return 79 |
|
278 | return 79 | |
279 |
|
279 | |||
280 | def groupmembers(name): |
|
280 | def groupmembers(name): | |
281 | # Don't support groups on Windows for now |
|
281 | # Don't support groups on Windows for now | |
282 | raise KeyError() |
|
282 | raise KeyError() | |
283 |
|
283 | |||
284 | from win32 import * |
|
284 | from win32 import * | |
285 |
|
285 | |||
286 | expandglobs = True |
|
286 | expandglobs = True |
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