Show More
@@ -1,194 +1,201 b'' | |||
|
1 | 1 | # filemerge.py - file-level merge handling for Mercurial |
|
2 | 2 | # |
|
3 | 3 | # Copyright 2006, 2007, 2008 Matt Mackall <mpm@selenic.com> |
|
4 | 4 | # |
|
5 | 5 | # This software may be used and distributed according to the terms |
|
6 | 6 | # of the GNU General Public License, incorporated herein by reference. |
|
7 | 7 | |
|
8 | 8 | from node import * |
|
9 | 9 | from i18n import _ |
|
10 | 10 | import util, os, tempfile, context, simplemerge, re |
|
11 | 11 | |
|
12 | 12 | def _toolstr(ui, tool, part, default=None): |
|
13 | 13 | return ui.config("merge-tools", tool + "." + part, default) |
|
14 | 14 | |
|
15 | 15 | def _toolbool(ui, tool, part, default=False): |
|
16 | 16 | return ui.configbool("merge-tools", tool + "." + part, default) |
|
17 | 17 | |
|
18 | 18 | def _findtool(ui, tool): |
|
19 | k = _toolstr(ui, tool, "regkey") | |
|
20 | if k: | |
|
21 | p = util.lookup_reg(k, _toolstr(ui, tool, "regname")) | |
|
22 | if p: | |
|
23 | p = util.find_exe(p + _toolstr(ui, tool, "regappend")) | |
|
24 | if p: | |
|
25 | return p | |
|
19 | 26 | return util.find_exe(_toolstr(ui, tool, "executable", tool)) |
|
20 | 27 | |
|
21 | 28 | def _picktool(repo, ui, path, binary, symlink): |
|
22 | 29 | def check(tool, pat, symlink, binary): |
|
23 | 30 | tmsg = tool |
|
24 | 31 | if pat: |
|
25 | 32 | tmsg += " specified for " + pat |
|
26 | 33 | if pat and not _findtool(ui, tool): # skip search if not matching |
|
27 | 34 | ui.warn(_("couldn't find merge tool %s\n") % tmsg) |
|
28 | 35 | elif symlink and not _toolbool(ui, tool, "symlink"): |
|
29 | 36 | ui.warn(_("tool %s can't handle symlinks\n") % tmsg) |
|
30 | 37 | elif binary and not _toolbool(ui, tool, "binary"): |
|
31 | 38 | ui.warn(_("tool %s can't handle binary\n") % tmsg) |
|
32 | 39 | else: |
|
33 | 40 | return True |
|
34 | 41 | return False |
|
35 | 42 | |
|
36 | 43 | # HGMERGE takes precedence |
|
37 | 44 | if os.environ.get("HGMERGE"): |
|
38 | 45 | return os.environ.get("HGMERGE") |
|
39 | 46 | |
|
40 | 47 | # then patterns |
|
41 | 48 | for pattern, tool in ui.configitems("merge-patterns"): |
|
42 | 49 | mf = util.matcher(repo.root, "", [pat], [], [])[1] |
|
43 | 50 | if mf(path) and check(tool, pat, symlink, False): |
|
44 | 51 | return tool |
|
45 | 52 | |
|
46 | 53 | # then merge tools |
|
47 | 54 | tools = {} |
|
48 | 55 | for k,v in ui.configitems("merge-tools"): |
|
49 | 56 | t = k.split('.')[0] |
|
50 | 57 | if t not in tools: |
|
51 | 58 | tools[t] = int(_toolstr(ui, t, "priority", "0")) |
|
52 | 59 | tools = [(-p,t) for t,p in tools.items()] |
|
53 | 60 | tools.sort() |
|
54 | 61 | if ui.config("ui", "merge"): |
|
55 | 62 | tools.insert(0, (None, ui.config("ui", "merge"))) # highest priority |
|
56 | 63 | tools.append((None, "hgmerge")) # the old default, if found |
|
57 | 64 | tools.append((None, "internal:merge")) # internal merge as last resort |
|
58 | 65 | for p,t in tools: |
|
59 | 66 | if _findtool(ui, t) and check(t, None, symlink, binary): |
|
60 | 67 | return t |
|
61 | 68 | |
|
62 | 69 | def _eoltype(data): |
|
63 | 70 | "Guess the EOL type of a file" |
|
64 | 71 | if '\0' in data: # binary |
|
65 | 72 | return None |
|
66 | 73 | if '\r\n' in data: # Windows |
|
67 | 74 | return '\r\n' |
|
68 | 75 | if '\r' in data: # Old Mac |
|
69 | 76 | return '\r' |
|
70 | 77 | if '\n' in data: # UNIX |
|
71 | 78 | return '\n' |
|
72 | 79 | return None # unknown |
|
73 | 80 | |
|
74 | 81 | def _matcheol(file, origfile): |
|
75 | 82 | "Convert EOL markers in a file to match origfile" |
|
76 | 83 | tostyle = _eoltype(open(origfile, "rb").read()) |
|
77 | 84 | if tostyle: |
|
78 | 85 | data = open(file, "rb").read() |
|
79 | 86 | style = _eoltype(data) |
|
80 | 87 | if style: |
|
81 | 88 | newdata = data.replace(style, tostyle) |
|
82 | 89 | if newdata != data: |
|
83 | 90 | open(file, "wb").write(newdata) |
|
84 | 91 | |
|
85 | 92 | def filemerge(repo, fw, fd, fo, wctx, mctx): |
|
86 | 93 | """perform a 3-way merge in the working directory |
|
87 | 94 | |
|
88 | 95 | fw = original filename in the working directory |
|
89 | 96 | fd = destination filename in the working directory |
|
90 | 97 | fo = filename in other parent |
|
91 | 98 | wctx, mctx = working and merge changecontexts |
|
92 | 99 | """ |
|
93 | 100 | |
|
94 | 101 | def temp(prefix, ctx): |
|
95 | 102 | pre = "%s~%s." % (os.path.basename(ctx.path()), prefix) |
|
96 | 103 | (fd, name) = tempfile.mkstemp(prefix=pre) |
|
97 | 104 | data = repo.wwritedata(ctx.path(), ctx.data()) |
|
98 | 105 | f = os.fdopen(fd, "wb") |
|
99 | 106 | f.write(data) |
|
100 | 107 | f.close() |
|
101 | 108 | return name |
|
102 | 109 | |
|
103 | 110 | def isbin(ctx): |
|
104 | 111 | try: |
|
105 | 112 | return util.binary(ctx.data()) |
|
106 | 113 | except IOError: |
|
107 | 114 | return False |
|
108 | 115 | |
|
109 | 116 | fco = mctx.filectx(fo) |
|
110 | 117 | if not fco.cmp(wctx.filectx(fd).data()): # files identical? |
|
111 | 118 | return None |
|
112 | 119 | |
|
113 | 120 | ui = repo.ui |
|
114 | 121 | fcm = wctx.filectx(fw) |
|
115 | 122 | fca = fcm.ancestor(fco) or repo.filectx(fw, fileid=nullrev) |
|
116 | 123 | binary = isbin(fcm) or isbin(fco) or isbin(fca) |
|
117 | 124 | symlink = fcm.islink() or fco.islink() |
|
118 | 125 | tool = _picktool(repo, ui, fw, binary, symlink) |
|
119 | 126 | ui.debug(_("picked tool '%s' for %s (binary %s symlink %s)\n") % |
|
120 | 127 | (tool, fw, binary, symlink)) |
|
121 | 128 | |
|
122 | 129 | if not tool: |
|
123 | 130 | tool = "internal:local" |
|
124 | 131 | if ui.prompt(_(" no tool found to merge %s\n" |
|
125 | 132 | "keep (l)ocal or take (o)ther?") % fw, |
|
126 | 133 | _("[lo]"), _("l")) != _("l"): |
|
127 | 134 | tool = "internal:other" |
|
128 | 135 | if tool == "internal:local": |
|
129 | 136 | return 0 |
|
130 | 137 | if tool == "internal:other": |
|
131 | 138 | repo.wwrite(fd, fco.data(), fco.fileflags()) |
|
132 | 139 | return 0 |
|
133 | 140 | if tool == "internal:fail": |
|
134 | 141 | return 1 |
|
135 | 142 | |
|
136 | 143 | # do the actual merge |
|
137 | 144 | a = repo.wjoin(fd) |
|
138 | 145 | b = temp("base", fca) |
|
139 | 146 | c = temp("other", fco) |
|
140 | 147 | out = "" |
|
141 | 148 | back = a + ".orig" |
|
142 | 149 | util.copyfile(a, back) |
|
143 | 150 | |
|
144 | 151 | if fw != fo: |
|
145 | 152 | repo.ui.status(_("merging %s and %s\n") % (fw, fo)) |
|
146 | 153 | else: |
|
147 | 154 | repo.ui.status(_("merging %s\n") % fw) |
|
148 | 155 | repo.ui.debug(_("my %s other %s ancestor %s\n") % (fcm, fco, fca)) |
|
149 | 156 | |
|
150 | 157 | # do we attempt to simplemerge first? |
|
151 | 158 | if _toolbool(ui, tool, "premerge", not (binary or symlink)): |
|
152 | 159 | r = simplemerge.simplemerge(a, b, c, quiet=True) |
|
153 | 160 | if not r: |
|
154 | 161 | ui.debug(_(" premerge successful\n")) |
|
155 | 162 | os.unlink(back) |
|
156 | 163 | os.unlink(b) |
|
157 | 164 | os.unlink(c) |
|
158 | 165 | return 0 |
|
159 | 166 | util.copyfile(back, a) # restore from backup and try again |
|
160 | 167 | |
|
161 | 168 | env = dict(HG_FILE=fd, |
|
162 | 169 | HG_MY_NODE=str(wctx.parents()[0]), |
|
163 | 170 | HG_OTHER_NODE=str(mctx), |
|
164 | 171 | HG_MY_ISLINK=fcm.islink(), |
|
165 | 172 | HG_OTHER_ISLINK=fco.islink(), |
|
166 | 173 | HG_BASE_ISLINK=fca.islink()) |
|
167 | 174 | |
|
168 | 175 | if tool == "internal:merge": |
|
169 | 176 | r = simplemerge.simplemerge(a, b, c, label=['local', 'other']) |
|
170 | 177 | else: |
|
171 | 178 | toolpath = _findtool(ui, tool) |
|
172 | 179 | args = _toolstr(ui, tool, "args", '$local $base $other') |
|
173 | 180 | if "$output" in args: |
|
174 | 181 | out, a = a, back # read input from backup, write to original |
|
175 | 182 | replace = dict(local=a, base=b, other=c, output=out) |
|
176 | 183 | args = re.sub("\$(local|base|other|output)", |
|
177 | 184 | lambda x: '"%s"' % replace[x.group()[1:]], args) |
|
178 | 185 | r = util.system(toolpath + ' ' + args, cwd=repo.root, environ=env) |
|
179 | 186 | |
|
180 | 187 | if not r and _toolbool(ui, tool, "checkconflicts"): |
|
181 | 188 | if re.match("^(<<<<<<< .*|=======|>>>>>>> .*)$", fcm.data()): |
|
182 | 189 | r = 1 |
|
183 | 190 | |
|
184 | 191 | if _toolbool(ui, tool, "fixeol"): |
|
185 | 192 | _matcheol(repo.join(fd), back) |
|
186 | 193 | |
|
187 | 194 | if r: |
|
188 | 195 | repo.ui.warn(_("merging %s failed!\n") % fd) |
|
189 | 196 | else: |
|
190 | 197 | os.unlink(back) |
|
191 | 198 | |
|
192 | 199 | os.unlink(b) |
|
193 | 200 | os.unlink(c) |
|
194 | 201 | return r |
@@ -1,1739 +1,1742 b'' | |||
|
1 | 1 | """ |
|
2 | 2 | util.py - Mercurial utility functions and platform specfic implementations |
|
3 | 3 | |
|
4 | 4 | Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
|
5 | 5 | Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
|
6 | 6 | Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
|
7 | 7 | |
|
8 | 8 | This software may be used and distributed according to the terms |
|
9 | 9 | of the GNU General Public License, incorporated herein by reference. |
|
10 | 10 | |
|
11 | 11 | This contains helper routines that are independent of the SCM core and hide |
|
12 | 12 | platform-specific details from the core. |
|
13 | 13 | """ |
|
14 | 14 | |
|
15 | 15 | from i18n import _ |
|
16 | 16 | import cStringIO, errno, getpass, popen2, re, shutil, sys, tempfile, strutil |
|
17 | 17 | import os, stat, threading, time, calendar, ConfigParser, locale, glob, osutil |
|
18 | 18 | import urlparse |
|
19 | 19 | |
|
20 | 20 | try: |
|
21 | 21 | set = set |
|
22 | 22 | frozenset = frozenset |
|
23 | 23 | except NameError: |
|
24 | 24 | from sets import Set as set, ImmutableSet as frozenset |
|
25 | 25 | |
|
26 | 26 | try: |
|
27 | 27 | _encoding = os.environ.get("HGENCODING") |
|
28 | 28 | if sys.platform == 'darwin' and not _encoding: |
|
29 | 29 | # On darwin, getpreferredencoding ignores the locale environment and |
|
30 | 30 | # always returns mac-roman. We override this if the environment is |
|
31 | 31 | # not C (has been customized by the user). |
|
32 | 32 | locale.setlocale(locale.LC_CTYPE, '') |
|
33 | 33 | _encoding = locale.getlocale()[1] |
|
34 | 34 | if not _encoding: |
|
35 | 35 | _encoding = locale.getpreferredencoding() or 'ascii' |
|
36 | 36 | except locale.Error: |
|
37 | 37 | _encoding = 'ascii' |
|
38 | 38 | _encodingmode = os.environ.get("HGENCODINGMODE", "strict") |
|
39 | 39 | _fallbackencoding = 'ISO-8859-1' |
|
40 | 40 | |
|
41 | 41 | def tolocal(s): |
|
42 | 42 | """ |
|
43 | 43 | Convert a string from internal UTF-8 to local encoding |
|
44 | 44 | |
|
45 | 45 | All internal strings should be UTF-8 but some repos before the |
|
46 | 46 | implementation of locale support may contain latin1 or possibly |
|
47 | 47 | other character sets. We attempt to decode everything strictly |
|
48 | 48 | using UTF-8, then Latin-1, and failing that, we use UTF-8 and |
|
49 | 49 | replace unknown characters. |
|
50 | 50 | """ |
|
51 | 51 | for e in ('UTF-8', _fallbackencoding): |
|
52 | 52 | try: |
|
53 | 53 | u = s.decode(e) # attempt strict decoding |
|
54 | 54 | return u.encode(_encoding, "replace") |
|
55 | 55 | except LookupError, k: |
|
56 | 56 | raise Abort(_("%s, please check your locale settings") % k) |
|
57 | 57 | except UnicodeDecodeError: |
|
58 | 58 | pass |
|
59 | 59 | u = s.decode("utf-8", "replace") # last ditch |
|
60 | 60 | return u.encode(_encoding, "replace") |
|
61 | 61 | |
|
62 | 62 | def fromlocal(s): |
|
63 | 63 | """ |
|
64 | 64 | Convert a string from the local character encoding to UTF-8 |
|
65 | 65 | |
|
66 | 66 | We attempt to decode strings using the encoding mode set by |
|
67 | 67 | HGENCODINGMODE, which defaults to 'strict'. In this mode, unknown |
|
68 | 68 | characters will cause an error message. Other modes include |
|
69 | 69 | 'replace', which replaces unknown characters with a special |
|
70 | 70 | Unicode character, and 'ignore', which drops the character. |
|
71 | 71 | """ |
|
72 | 72 | try: |
|
73 | 73 | return s.decode(_encoding, _encodingmode).encode("utf-8") |
|
74 | 74 | except UnicodeDecodeError, inst: |
|
75 | 75 | sub = s[max(0, inst.start-10):inst.start+10] |
|
76 | 76 | raise Abort("decoding near '%s': %s!" % (sub, inst)) |
|
77 | 77 | except LookupError, k: |
|
78 | 78 | raise Abort(_("%s, please check your locale settings") % k) |
|
79 | 79 | |
|
80 | 80 | def locallen(s): |
|
81 | 81 | """Find the length in characters of a local string""" |
|
82 | 82 | return len(s.decode(_encoding, "replace")) |
|
83 | 83 | |
|
84 | 84 | # used by parsedate |
|
85 | 85 | defaultdateformats = ( |
|
86 | 86 | '%Y-%m-%d %H:%M:%S', |
|
87 | 87 | '%Y-%m-%d %I:%M:%S%p', |
|
88 | 88 | '%Y-%m-%d %H:%M', |
|
89 | 89 | '%Y-%m-%d %I:%M%p', |
|
90 | 90 | '%Y-%m-%d', |
|
91 | 91 | '%m-%d', |
|
92 | 92 | '%m/%d', |
|
93 | 93 | '%m/%d/%y', |
|
94 | 94 | '%m/%d/%Y', |
|
95 | 95 | '%a %b %d %H:%M:%S %Y', |
|
96 | 96 | '%a %b %d %I:%M:%S%p %Y', |
|
97 | 97 | '%a, %d %b %Y %H:%M:%S', # GNU coreutils "/bin/date --rfc-2822" |
|
98 | 98 | '%b %d %H:%M:%S %Y', |
|
99 | 99 | '%b %d %I:%M:%S%p %Y', |
|
100 | 100 | '%b %d %H:%M:%S', |
|
101 | 101 | '%b %d %I:%M:%S%p', |
|
102 | 102 | '%b %d %H:%M', |
|
103 | 103 | '%b %d %I:%M%p', |
|
104 | 104 | '%b %d %Y', |
|
105 | 105 | '%b %d', |
|
106 | 106 | '%H:%M:%S', |
|
107 | 107 | '%I:%M:%SP', |
|
108 | 108 | '%H:%M', |
|
109 | 109 | '%I:%M%p', |
|
110 | 110 | ) |
|
111 | 111 | |
|
112 | 112 | extendeddateformats = defaultdateformats + ( |
|
113 | 113 | "%Y", |
|
114 | 114 | "%Y-%m", |
|
115 | 115 | "%b", |
|
116 | 116 | "%b %Y", |
|
117 | 117 | ) |
|
118 | 118 | |
|
119 | 119 | class SignalInterrupt(Exception): |
|
120 | 120 | """Exception raised on SIGTERM and SIGHUP.""" |
|
121 | 121 | |
|
122 | 122 | # differences from SafeConfigParser: |
|
123 | 123 | # - case-sensitive keys |
|
124 | 124 | # - allows values that are not strings (this means that you may not |
|
125 | 125 | # be able to save the configuration to a file) |
|
126 | 126 | class configparser(ConfigParser.SafeConfigParser): |
|
127 | 127 | def optionxform(self, optionstr): |
|
128 | 128 | return optionstr |
|
129 | 129 | |
|
130 | 130 | def set(self, section, option, value): |
|
131 | 131 | return ConfigParser.ConfigParser.set(self, section, option, value) |
|
132 | 132 | |
|
133 | 133 | def _interpolate(self, section, option, rawval, vars): |
|
134 | 134 | if not isinstance(rawval, basestring): |
|
135 | 135 | return rawval |
|
136 | 136 | return ConfigParser.SafeConfigParser._interpolate(self, section, |
|
137 | 137 | option, rawval, vars) |
|
138 | 138 | |
|
139 | 139 | def cachefunc(func): |
|
140 | 140 | '''cache the result of function calls''' |
|
141 | 141 | # XXX doesn't handle keywords args |
|
142 | 142 | cache = {} |
|
143 | 143 | if func.func_code.co_argcount == 1: |
|
144 | 144 | # we gain a small amount of time because |
|
145 | 145 | # we don't need to pack/unpack the list |
|
146 | 146 | def f(arg): |
|
147 | 147 | if arg not in cache: |
|
148 | 148 | cache[arg] = func(arg) |
|
149 | 149 | return cache[arg] |
|
150 | 150 | else: |
|
151 | 151 | def f(*args): |
|
152 | 152 | if args not in cache: |
|
153 | 153 | cache[args] = func(*args) |
|
154 | 154 | return cache[args] |
|
155 | 155 | |
|
156 | 156 | return f |
|
157 | 157 | |
|
158 | 158 | def pipefilter(s, cmd): |
|
159 | 159 | '''filter string S through command CMD, returning its output''' |
|
160 | 160 | (pin, pout) = os.popen2(cmd, 'b') |
|
161 | 161 | def writer(): |
|
162 | 162 | try: |
|
163 | 163 | pin.write(s) |
|
164 | 164 | pin.close() |
|
165 | 165 | except IOError, inst: |
|
166 | 166 | if inst.errno != errno.EPIPE: |
|
167 | 167 | raise |
|
168 | 168 | |
|
169 | 169 | # we should use select instead on UNIX, but this will work on most |
|
170 | 170 | # systems, including Windows |
|
171 | 171 | w = threading.Thread(target=writer) |
|
172 | 172 | w.start() |
|
173 | 173 | f = pout.read() |
|
174 | 174 | pout.close() |
|
175 | 175 | w.join() |
|
176 | 176 | return f |
|
177 | 177 | |
|
178 | 178 | def tempfilter(s, cmd): |
|
179 | 179 | '''filter string S through a pair of temporary files with CMD. |
|
180 | 180 | CMD is used as a template to create the real command to be run, |
|
181 | 181 | with the strings INFILE and OUTFILE replaced by the real names of |
|
182 | 182 | the temporary files generated.''' |
|
183 | 183 | inname, outname = None, None |
|
184 | 184 | try: |
|
185 | 185 | infd, inname = tempfile.mkstemp(prefix='hg-filter-in-') |
|
186 | 186 | fp = os.fdopen(infd, 'wb') |
|
187 | 187 | fp.write(s) |
|
188 | 188 | fp.close() |
|
189 | 189 | outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-') |
|
190 | 190 | os.close(outfd) |
|
191 | 191 | cmd = cmd.replace('INFILE', inname) |
|
192 | 192 | cmd = cmd.replace('OUTFILE', outname) |
|
193 | 193 | code = os.system(cmd) |
|
194 | 194 | if sys.platform == 'OpenVMS' and code & 1: |
|
195 | 195 | code = 0 |
|
196 | 196 | if code: raise Abort(_("command '%s' failed: %s") % |
|
197 | 197 | (cmd, explain_exit(code))) |
|
198 | 198 | return open(outname, 'rb').read() |
|
199 | 199 | finally: |
|
200 | 200 | try: |
|
201 | 201 | if inname: os.unlink(inname) |
|
202 | 202 | except: pass |
|
203 | 203 | try: |
|
204 | 204 | if outname: os.unlink(outname) |
|
205 | 205 | except: pass |
|
206 | 206 | |
|
207 | 207 | filtertable = { |
|
208 | 208 | 'tempfile:': tempfilter, |
|
209 | 209 | 'pipe:': pipefilter, |
|
210 | 210 | } |
|
211 | 211 | |
|
212 | 212 | def filter(s, cmd): |
|
213 | 213 | "filter a string through a command that transforms its input to its output" |
|
214 | 214 | for name, fn in filtertable.iteritems(): |
|
215 | 215 | if cmd.startswith(name): |
|
216 | 216 | return fn(s, cmd[len(name):].lstrip()) |
|
217 | 217 | return pipefilter(s, cmd) |
|
218 | 218 | |
|
219 | 219 | def binary(s): |
|
220 | 220 | """return true if a string is binary data using diff's heuristic""" |
|
221 | 221 | if s and '\0' in s[:4096]: |
|
222 | 222 | return True |
|
223 | 223 | return False |
|
224 | 224 | |
|
225 | 225 | def unique(g): |
|
226 | 226 | """return the uniq elements of iterable g""" |
|
227 | 227 | return dict.fromkeys(g).keys() |
|
228 | 228 | |
|
229 | 229 | class Abort(Exception): |
|
230 | 230 | """Raised if a command needs to print an error and exit.""" |
|
231 | 231 | |
|
232 | 232 | class UnexpectedOutput(Abort): |
|
233 | 233 | """Raised to print an error with part of output and exit.""" |
|
234 | 234 | |
|
235 | 235 | def always(fn): return True |
|
236 | 236 | def never(fn): return False |
|
237 | 237 | |
|
238 | 238 | def expand_glob(pats): |
|
239 | 239 | '''On Windows, expand the implicit globs in a list of patterns''' |
|
240 | 240 | if os.name != 'nt': |
|
241 | 241 | return list(pats) |
|
242 | 242 | ret = [] |
|
243 | 243 | for p in pats: |
|
244 | 244 | kind, name = patkind(p, None) |
|
245 | 245 | if kind is None: |
|
246 | 246 | globbed = glob.glob(name) |
|
247 | 247 | if globbed: |
|
248 | 248 | ret.extend(globbed) |
|
249 | 249 | continue |
|
250 | 250 | # if we couldn't expand the glob, just keep it around |
|
251 | 251 | ret.append(p) |
|
252 | 252 | return ret |
|
253 | 253 | |
|
254 | 254 | def patkind(name, dflt_pat='glob'): |
|
255 | 255 | """Split a string into an optional pattern kind prefix and the |
|
256 | 256 | actual pattern.""" |
|
257 | 257 | for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre': |
|
258 | 258 | if name.startswith(prefix + ':'): return name.split(':', 1) |
|
259 | 259 | return dflt_pat, name |
|
260 | 260 | |
|
261 | 261 | def globre(pat, head='^', tail='$'): |
|
262 | 262 | "convert a glob pattern into a regexp" |
|
263 | 263 | i, n = 0, len(pat) |
|
264 | 264 | res = '' |
|
265 | 265 | group = 0 |
|
266 | 266 | def peek(): return i < n and pat[i] |
|
267 | 267 | while i < n: |
|
268 | 268 | c = pat[i] |
|
269 | 269 | i = i+1 |
|
270 | 270 | if c == '*': |
|
271 | 271 | if peek() == '*': |
|
272 | 272 | i += 1 |
|
273 | 273 | res += '.*' |
|
274 | 274 | else: |
|
275 | 275 | res += '[^/]*' |
|
276 | 276 | elif c == '?': |
|
277 | 277 | res += '.' |
|
278 | 278 | elif c == '[': |
|
279 | 279 | j = i |
|
280 | 280 | if j < n and pat[j] in '!]': |
|
281 | 281 | j += 1 |
|
282 | 282 | while j < n and pat[j] != ']': |
|
283 | 283 | j += 1 |
|
284 | 284 | if j >= n: |
|
285 | 285 | res += '\\[' |
|
286 | 286 | else: |
|
287 | 287 | stuff = pat[i:j].replace('\\','\\\\') |
|
288 | 288 | i = j + 1 |
|
289 | 289 | if stuff[0] == '!': |
|
290 | 290 | stuff = '^' + stuff[1:] |
|
291 | 291 | elif stuff[0] == '^': |
|
292 | 292 | stuff = '\\' + stuff |
|
293 | 293 | res = '%s[%s]' % (res, stuff) |
|
294 | 294 | elif c == '{': |
|
295 | 295 | group += 1 |
|
296 | 296 | res += '(?:' |
|
297 | 297 | elif c == '}' and group: |
|
298 | 298 | res += ')' |
|
299 | 299 | group -= 1 |
|
300 | 300 | elif c == ',' and group: |
|
301 | 301 | res += '|' |
|
302 | 302 | elif c == '\\': |
|
303 | 303 | p = peek() |
|
304 | 304 | if p: |
|
305 | 305 | i += 1 |
|
306 | 306 | res += re.escape(p) |
|
307 | 307 | else: |
|
308 | 308 | res += re.escape(c) |
|
309 | 309 | else: |
|
310 | 310 | res += re.escape(c) |
|
311 | 311 | return head + res + tail |
|
312 | 312 | |
|
313 | 313 | _globchars = {'[': 1, '{': 1, '*': 1, '?': 1} |
|
314 | 314 | |
|
315 | 315 | def pathto(root, n1, n2): |
|
316 | 316 | '''return the relative path from one place to another. |
|
317 | 317 | root should use os.sep to separate directories |
|
318 | 318 | n1 should use os.sep to separate directories |
|
319 | 319 | n2 should use "/" to separate directories |
|
320 | 320 | returns an os.sep-separated path. |
|
321 | 321 | |
|
322 | 322 | If n1 is a relative path, it's assumed it's |
|
323 | 323 | relative to root. |
|
324 | 324 | n2 should always be relative to root. |
|
325 | 325 | ''' |
|
326 | 326 | if not n1: return localpath(n2) |
|
327 | 327 | if os.path.isabs(n1): |
|
328 | 328 | if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]: |
|
329 | 329 | return os.path.join(root, localpath(n2)) |
|
330 | 330 | n2 = '/'.join((pconvert(root), n2)) |
|
331 | 331 | a, b = splitpath(n1), n2.split('/') |
|
332 | 332 | a.reverse() |
|
333 | 333 | b.reverse() |
|
334 | 334 | while a and b and a[-1] == b[-1]: |
|
335 | 335 | a.pop() |
|
336 | 336 | b.pop() |
|
337 | 337 | b.reverse() |
|
338 | 338 | return os.sep.join((['..'] * len(a)) + b) |
|
339 | 339 | |
|
340 | 340 | def canonpath(root, cwd, myname): |
|
341 | 341 | """return the canonical path of myname, given cwd and root""" |
|
342 | 342 | if root == os.sep: |
|
343 | 343 | rootsep = os.sep |
|
344 | 344 | elif endswithsep(root): |
|
345 | 345 | rootsep = root |
|
346 | 346 | else: |
|
347 | 347 | rootsep = root + os.sep |
|
348 | 348 | name = myname |
|
349 | 349 | if not os.path.isabs(name): |
|
350 | 350 | name = os.path.join(root, cwd, name) |
|
351 | 351 | name = os.path.normpath(name) |
|
352 | 352 | audit_path = path_auditor(root) |
|
353 | 353 | if name != rootsep and name.startswith(rootsep): |
|
354 | 354 | name = name[len(rootsep):] |
|
355 | 355 | audit_path(name) |
|
356 | 356 | return pconvert(name) |
|
357 | 357 | elif name == root: |
|
358 | 358 | return '' |
|
359 | 359 | else: |
|
360 | 360 | # Determine whether `name' is in the hierarchy at or beneath `root', |
|
361 | 361 | # by iterating name=dirname(name) until that causes no change (can't |
|
362 | 362 | # check name == '/', because that doesn't work on windows). For each |
|
363 | 363 | # `name', compare dev/inode numbers. If they match, the list `rel' |
|
364 | 364 | # holds the reversed list of components making up the relative file |
|
365 | 365 | # name we want. |
|
366 | 366 | root_st = os.stat(root) |
|
367 | 367 | rel = [] |
|
368 | 368 | while True: |
|
369 | 369 | try: |
|
370 | 370 | name_st = os.stat(name) |
|
371 | 371 | except OSError: |
|
372 | 372 | break |
|
373 | 373 | if samestat(name_st, root_st): |
|
374 | 374 | if not rel: |
|
375 | 375 | # name was actually the same as root (maybe a symlink) |
|
376 | 376 | return '' |
|
377 | 377 | rel.reverse() |
|
378 | 378 | name = os.path.join(*rel) |
|
379 | 379 | audit_path(name) |
|
380 | 380 | return pconvert(name) |
|
381 | 381 | dirname, basename = os.path.split(name) |
|
382 | 382 | rel.append(basename) |
|
383 | 383 | if dirname == name: |
|
384 | 384 | break |
|
385 | 385 | name = dirname |
|
386 | 386 | |
|
387 | 387 | raise Abort('%s not under root' % myname) |
|
388 | 388 | |
|
389 | 389 | def matcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None): |
|
390 | 390 | return _matcher(canonroot, cwd, names, inc, exc, 'glob', src) |
|
391 | 391 | |
|
392 | 392 | def cmdmatcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None, |
|
393 | 393 | globbed=False, default=None): |
|
394 | 394 | default = default or 'relpath' |
|
395 | 395 | if default == 'relpath' and not globbed: |
|
396 | 396 | names = expand_glob(names) |
|
397 | 397 | return _matcher(canonroot, cwd, names, inc, exc, default, src) |
|
398 | 398 | |
|
399 | 399 | def _matcher(canonroot, cwd, names, inc, exc, dflt_pat, src): |
|
400 | 400 | """build a function to match a set of file patterns |
|
401 | 401 | |
|
402 | 402 | arguments: |
|
403 | 403 | canonroot - the canonical root of the tree you're matching against |
|
404 | 404 | cwd - the current working directory, if relevant |
|
405 | 405 | names - patterns to find |
|
406 | 406 | inc - patterns to include |
|
407 | 407 | exc - patterns to exclude |
|
408 | 408 | dflt_pat - if a pattern in names has no explicit type, assume this one |
|
409 | 409 | src - where these patterns came from (e.g. .hgignore) |
|
410 | 410 | |
|
411 | 411 | a pattern is one of: |
|
412 | 412 | 'glob:<glob>' - a glob relative to cwd |
|
413 | 413 | 're:<regexp>' - a regular expression |
|
414 | 414 | 'path:<path>' - a path relative to canonroot |
|
415 | 415 | 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs) |
|
416 | 416 | 'relpath:<path>' - a path relative to cwd |
|
417 | 417 | 'relre:<regexp>' - a regexp that doesn't have to match the start of a name |
|
418 | 418 | '<something>' - one of the cases above, selected by the dflt_pat argument |
|
419 | 419 | |
|
420 | 420 | returns: |
|
421 | 421 | a 3-tuple containing |
|
422 | 422 | - list of roots (places where one should start a recursive walk of the fs); |
|
423 | 423 | this often matches the explicit non-pattern names passed in, but also |
|
424 | 424 | includes the initial part of glob: patterns that has no glob characters |
|
425 | 425 | - a bool match(filename) function |
|
426 | 426 | - a bool indicating if any patterns were passed in |
|
427 | 427 | """ |
|
428 | 428 | |
|
429 | 429 | # a common case: no patterns at all |
|
430 | 430 | if not names and not inc and not exc: |
|
431 | 431 | return [], always, False |
|
432 | 432 | |
|
433 | 433 | def contains_glob(name): |
|
434 | 434 | for c in name: |
|
435 | 435 | if c in _globchars: return True |
|
436 | 436 | return False |
|
437 | 437 | |
|
438 | 438 | def regex(kind, name, tail): |
|
439 | 439 | '''convert a pattern into a regular expression''' |
|
440 | 440 | if not name: |
|
441 | 441 | return '' |
|
442 | 442 | if kind == 're': |
|
443 | 443 | return name |
|
444 | 444 | elif kind == 'path': |
|
445 | 445 | return '^' + re.escape(name) + '(?:/|$)' |
|
446 | 446 | elif kind == 'relglob': |
|
447 | 447 | return globre(name, '(?:|.*/)', tail) |
|
448 | 448 | elif kind == 'relpath': |
|
449 | 449 | return re.escape(name) + '(?:/|$)' |
|
450 | 450 | elif kind == 'relre': |
|
451 | 451 | if name.startswith('^'): |
|
452 | 452 | return name |
|
453 | 453 | return '.*' + name |
|
454 | 454 | return globre(name, '', tail) |
|
455 | 455 | |
|
456 | 456 | def matchfn(pats, tail): |
|
457 | 457 | """build a matching function from a set of patterns""" |
|
458 | 458 | if not pats: |
|
459 | 459 | return |
|
460 | 460 | try: |
|
461 | 461 | pat = '(?:%s)' % '|'.join([regex(k, p, tail) for (k, p) in pats]) |
|
462 | 462 | return re.compile(pat).match |
|
463 | 463 | except OverflowError: |
|
464 | 464 | # We're using a Python with a tiny regex engine and we |
|
465 | 465 | # made it explode, so we'll divide the pattern list in two |
|
466 | 466 | # until it works |
|
467 | 467 | l = len(pats) |
|
468 | 468 | if l < 2: |
|
469 | 469 | raise |
|
470 | 470 | a, b = matchfn(pats[:l//2], tail), matchfn(pats[l//2:], tail) |
|
471 | 471 | return lambda s: a(s) or b(s) |
|
472 | 472 | except re.error: |
|
473 | 473 | for k, p in pats: |
|
474 | 474 | try: |
|
475 | 475 | re.compile('(?:%s)' % regex(k, p, tail)) |
|
476 | 476 | except re.error: |
|
477 | 477 | if src: |
|
478 | 478 | raise Abort("%s: invalid pattern (%s): %s" % |
|
479 | 479 | (src, k, p)) |
|
480 | 480 | else: |
|
481 | 481 | raise Abort("invalid pattern (%s): %s" % (k, p)) |
|
482 | 482 | raise Abort("invalid pattern") |
|
483 | 483 | |
|
484 | 484 | def globprefix(pat): |
|
485 | 485 | '''return the non-glob prefix of a path, e.g. foo/* -> foo''' |
|
486 | 486 | root = [] |
|
487 | 487 | for p in pat.split('/'): |
|
488 | 488 | if contains_glob(p): break |
|
489 | 489 | root.append(p) |
|
490 | 490 | return '/'.join(root) or '.' |
|
491 | 491 | |
|
492 | 492 | def normalizepats(names, default): |
|
493 | 493 | pats = [] |
|
494 | 494 | roots = [] |
|
495 | 495 | anypats = False |
|
496 | 496 | for kind, name in [patkind(p, default) for p in names]: |
|
497 | 497 | if kind in ('glob', 'relpath'): |
|
498 | 498 | name = canonpath(canonroot, cwd, name) |
|
499 | 499 | elif kind in ('relglob', 'path'): |
|
500 | 500 | name = normpath(name) |
|
501 | 501 | |
|
502 | 502 | pats.append((kind, name)) |
|
503 | 503 | |
|
504 | 504 | if kind in ('glob', 're', 'relglob', 'relre'): |
|
505 | 505 | anypats = True |
|
506 | 506 | |
|
507 | 507 | if kind == 'glob': |
|
508 | 508 | root = globprefix(name) |
|
509 | 509 | roots.append(root) |
|
510 | 510 | elif kind in ('relpath', 'path'): |
|
511 | 511 | roots.append(name or '.') |
|
512 | 512 | elif kind == 'relglob': |
|
513 | 513 | roots.append('.') |
|
514 | 514 | return roots, pats, anypats |
|
515 | 515 | |
|
516 | 516 | roots, pats, anypats = normalizepats(names, dflt_pat) |
|
517 | 517 | |
|
518 | 518 | patmatch = matchfn(pats, '$') or always |
|
519 | 519 | incmatch = always |
|
520 | 520 | if inc: |
|
521 | 521 | dummy, inckinds, dummy = normalizepats(inc, 'glob') |
|
522 | 522 | incmatch = matchfn(inckinds, '(?:/|$)') |
|
523 | 523 | excmatch = lambda fn: False |
|
524 | 524 | if exc: |
|
525 | 525 | dummy, exckinds, dummy = normalizepats(exc, 'glob') |
|
526 | 526 | excmatch = matchfn(exckinds, '(?:/|$)') |
|
527 | 527 | |
|
528 | 528 | if not names and inc and not exc: |
|
529 | 529 | # common case: hgignore patterns |
|
530 | 530 | match = incmatch |
|
531 | 531 | else: |
|
532 | 532 | match = lambda fn: incmatch(fn) and not excmatch(fn) and patmatch(fn) |
|
533 | 533 | |
|
534 | 534 | return (roots, match, (inc or exc or anypats) and True) |
|
535 | 535 | |
|
536 | 536 | _hgexecutable = None |
|
537 | 537 | |
|
538 | 538 | def hgexecutable(): |
|
539 | 539 | """return location of the 'hg' executable. |
|
540 | 540 | |
|
541 | 541 | Defaults to $HG or 'hg' in the search path. |
|
542 | 542 | """ |
|
543 | 543 | if _hgexecutable is None: |
|
544 | 544 | set_hgexecutable(os.environ.get('HG') or find_exe('hg', 'hg')) |
|
545 | 545 | return _hgexecutable |
|
546 | 546 | |
|
547 | 547 | def set_hgexecutable(path): |
|
548 | 548 | """set location of the 'hg' executable""" |
|
549 | 549 | global _hgexecutable |
|
550 | 550 | _hgexecutable = path |
|
551 | 551 | |
|
552 | 552 | def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None): |
|
553 | 553 | '''enhanced shell command execution. |
|
554 | 554 | run with environment maybe modified, maybe in different dir. |
|
555 | 555 | |
|
556 | 556 | if command fails and onerr is None, return status. if ui object, |
|
557 | 557 | print error message and return status, else raise onerr object as |
|
558 | 558 | exception.''' |
|
559 | 559 | def py2shell(val): |
|
560 | 560 | 'convert python object into string that is useful to shell' |
|
561 | 561 | if val in (None, False): |
|
562 | 562 | return '0' |
|
563 | 563 | if val == True: |
|
564 | 564 | return '1' |
|
565 | 565 | return str(val) |
|
566 | 566 | oldenv = {} |
|
567 | 567 | for k in environ: |
|
568 | 568 | oldenv[k] = os.environ.get(k) |
|
569 | 569 | if cwd is not None: |
|
570 | 570 | oldcwd = os.getcwd() |
|
571 | 571 | origcmd = cmd |
|
572 | 572 | if os.name == 'nt': |
|
573 | 573 | cmd = '"%s"' % cmd |
|
574 | 574 | try: |
|
575 | 575 | for k, v in environ.iteritems(): |
|
576 | 576 | os.environ[k] = py2shell(v) |
|
577 | 577 | os.environ['HG'] = hgexecutable() |
|
578 | 578 | if cwd is not None and oldcwd != cwd: |
|
579 | 579 | os.chdir(cwd) |
|
580 | 580 | rc = os.system(cmd) |
|
581 | 581 | if sys.platform == 'OpenVMS' and rc & 1: |
|
582 | 582 | rc = 0 |
|
583 | 583 | if rc and onerr: |
|
584 | 584 | errmsg = '%s %s' % (os.path.basename(origcmd.split(None, 1)[0]), |
|
585 | 585 | explain_exit(rc)[0]) |
|
586 | 586 | if errprefix: |
|
587 | 587 | errmsg = '%s: %s' % (errprefix, errmsg) |
|
588 | 588 | try: |
|
589 | 589 | onerr.warn(errmsg + '\n') |
|
590 | 590 | except AttributeError: |
|
591 | 591 | raise onerr(errmsg) |
|
592 | 592 | return rc |
|
593 | 593 | finally: |
|
594 | 594 | for k, v in oldenv.iteritems(): |
|
595 | 595 | if v is None: |
|
596 | 596 | del os.environ[k] |
|
597 | 597 | else: |
|
598 | 598 | os.environ[k] = v |
|
599 | 599 | if cwd is not None and oldcwd != cwd: |
|
600 | 600 | os.chdir(oldcwd) |
|
601 | 601 | |
|
602 | 602 | # os.path.lexists is not available on python2.3 |
|
603 | 603 | def lexists(filename): |
|
604 | 604 | "test whether a file with this name exists. does not follow symlinks" |
|
605 | 605 | try: |
|
606 | 606 | os.lstat(filename) |
|
607 | 607 | except: |
|
608 | 608 | return False |
|
609 | 609 | return True |
|
610 | 610 | |
|
611 | 611 | def rename(src, dst): |
|
612 | 612 | """forcibly rename a file""" |
|
613 | 613 | try: |
|
614 | 614 | os.rename(src, dst) |
|
615 | 615 | except OSError, err: # FIXME: check err (EEXIST ?) |
|
616 | 616 | # on windows, rename to existing file is not allowed, so we |
|
617 | 617 | # must delete destination first. but if file is open, unlink |
|
618 | 618 | # schedules it for delete but does not delete it. rename |
|
619 | 619 | # happens immediately even for open files, so we create |
|
620 | 620 | # temporary file, delete it, rename destination to that name, |
|
621 | 621 | # then delete that. then rename is safe to do. |
|
622 | 622 | fd, temp = tempfile.mkstemp(dir=os.path.dirname(dst) or '.') |
|
623 | 623 | os.close(fd) |
|
624 | 624 | os.unlink(temp) |
|
625 | 625 | os.rename(dst, temp) |
|
626 | 626 | os.unlink(temp) |
|
627 | 627 | os.rename(src, dst) |
|
628 | 628 | |
|
629 | 629 | def unlink(f): |
|
630 | 630 | """unlink and remove the directory if it is empty""" |
|
631 | 631 | os.unlink(f) |
|
632 | 632 | # try removing directories that might now be empty |
|
633 | 633 | try: |
|
634 | 634 | os.removedirs(os.path.dirname(f)) |
|
635 | 635 | except OSError: |
|
636 | 636 | pass |
|
637 | 637 | |
|
638 | 638 | def copyfile(src, dest): |
|
639 | 639 | "copy a file, preserving mode" |
|
640 | 640 | if os.path.islink(src): |
|
641 | 641 | try: |
|
642 | 642 | os.unlink(dest) |
|
643 | 643 | except: |
|
644 | 644 | pass |
|
645 | 645 | os.symlink(os.readlink(src), dest) |
|
646 | 646 | else: |
|
647 | 647 | try: |
|
648 | 648 | shutil.copyfile(src, dest) |
|
649 | 649 | shutil.copymode(src, dest) |
|
650 | 650 | except shutil.Error, inst: |
|
651 | 651 | raise Abort(str(inst)) |
|
652 | 652 | |
|
653 | 653 | def copyfiles(src, dst, hardlink=None): |
|
654 | 654 | """Copy a directory tree using hardlinks if possible""" |
|
655 | 655 | |
|
656 | 656 | if hardlink is None: |
|
657 | 657 | hardlink = (os.stat(src).st_dev == |
|
658 | 658 | os.stat(os.path.dirname(dst)).st_dev) |
|
659 | 659 | |
|
660 | 660 | if os.path.isdir(src): |
|
661 | 661 | os.mkdir(dst) |
|
662 | 662 | for name, kind in osutil.listdir(src): |
|
663 | 663 | srcname = os.path.join(src, name) |
|
664 | 664 | dstname = os.path.join(dst, name) |
|
665 | 665 | copyfiles(srcname, dstname, hardlink) |
|
666 | 666 | else: |
|
667 | 667 | if hardlink: |
|
668 | 668 | try: |
|
669 | 669 | os_link(src, dst) |
|
670 | 670 | except (IOError, OSError): |
|
671 | 671 | hardlink = False |
|
672 | 672 | shutil.copy(src, dst) |
|
673 | 673 | else: |
|
674 | 674 | shutil.copy(src, dst) |
|
675 | 675 | |
|
676 | 676 | class path_auditor(object): |
|
677 | 677 | '''ensure that a filesystem path contains no banned components. |
|
678 | 678 | the following properties of a path are checked: |
|
679 | 679 | |
|
680 | 680 | - under top-level .hg |
|
681 | 681 | - starts at the root of a windows drive |
|
682 | 682 | - contains ".." |
|
683 | 683 | - traverses a symlink (e.g. a/symlink_here/b) |
|
684 | 684 | - inside a nested repository''' |
|
685 | 685 | |
|
686 | 686 | def __init__(self, root): |
|
687 | 687 | self.audited = set() |
|
688 | 688 | self.auditeddir = set() |
|
689 | 689 | self.root = root |
|
690 | 690 | |
|
691 | 691 | def __call__(self, path): |
|
692 | 692 | if path in self.audited: |
|
693 | 693 | return |
|
694 | 694 | normpath = os.path.normcase(path) |
|
695 | 695 | parts = splitpath(normpath) |
|
696 | 696 | if (os.path.splitdrive(path)[0] or parts[0] in ('.hg', '') |
|
697 | 697 | or os.pardir in parts): |
|
698 | 698 | raise Abort(_("path contains illegal component: %s") % path) |
|
699 | 699 | def check(prefix): |
|
700 | 700 | curpath = os.path.join(self.root, prefix) |
|
701 | 701 | try: |
|
702 | 702 | st = os.lstat(curpath) |
|
703 | 703 | except OSError, err: |
|
704 | 704 | # EINVAL can be raised as invalid path syntax under win32. |
|
705 | 705 | # They must be ignored for patterns can be checked too. |
|
706 | 706 | if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL): |
|
707 | 707 | raise |
|
708 | 708 | else: |
|
709 | 709 | if stat.S_ISLNK(st.st_mode): |
|
710 | 710 | raise Abort(_('path %r traverses symbolic link %r') % |
|
711 | 711 | (path, prefix)) |
|
712 | 712 | elif (stat.S_ISDIR(st.st_mode) and |
|
713 | 713 | os.path.isdir(os.path.join(curpath, '.hg'))): |
|
714 | 714 | raise Abort(_('path %r is inside repo %r') % |
|
715 | 715 | (path, prefix)) |
|
716 | 716 | parts.pop() |
|
717 | 717 | prefixes = [] |
|
718 | 718 | for n in range(len(parts)): |
|
719 | 719 | prefix = os.sep.join(parts) |
|
720 | 720 | if prefix in self.auditeddir: |
|
721 | 721 | break |
|
722 | 722 | check(prefix) |
|
723 | 723 | prefixes.append(prefix) |
|
724 | 724 | parts.pop() |
|
725 | 725 | |
|
726 | 726 | self.audited.add(path) |
|
727 | 727 | # only add prefixes to the cache after checking everything: we don't |
|
728 | 728 | # want to add "foo/bar/baz" before checking if there's a "foo/.hg" |
|
729 | 729 | self.auditeddir.update(prefixes) |
|
730 | 730 | |
|
731 | 731 | def _makelock_file(info, pathname): |
|
732 | 732 | ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) |
|
733 | 733 | os.write(ld, info) |
|
734 | 734 | os.close(ld) |
|
735 | 735 | |
|
736 | 736 | def _readlock_file(pathname): |
|
737 | 737 | return posixfile(pathname).read() |
|
738 | 738 | |
|
739 | 739 | def nlinks(pathname): |
|
740 | 740 | """Return number of hardlinks for the given file.""" |
|
741 | 741 | return os.lstat(pathname).st_nlink |
|
742 | 742 | |
|
743 | 743 | if hasattr(os, 'link'): |
|
744 | 744 | os_link = os.link |
|
745 | 745 | else: |
|
746 | 746 | def os_link(src, dst): |
|
747 | 747 | raise OSError(0, _("Hardlinks not supported")) |
|
748 | 748 | |
|
749 | 749 | def fstat(fp): |
|
750 | 750 | '''stat file object that may not have fileno method.''' |
|
751 | 751 | try: |
|
752 | 752 | return os.fstat(fp.fileno()) |
|
753 | 753 | except AttributeError: |
|
754 | 754 | return os.stat(fp.name) |
|
755 | 755 | |
|
756 | 756 | posixfile = file |
|
757 | 757 | |
|
758 | 758 | def openhardlinks(): |
|
759 | 759 | '''return true if it is safe to hold open file handles to hardlinks''' |
|
760 | 760 | return True |
|
761 | 761 | |
|
762 | 762 | getuser_fallback = None |
|
763 | 763 | |
|
764 | 764 | def getuser(): |
|
765 | 765 | '''return name of current user''' |
|
766 | 766 | try: |
|
767 | 767 | return getpass.getuser() |
|
768 | 768 | except ImportError: |
|
769 | 769 | # import of pwd will fail on windows - try fallback |
|
770 | 770 | if getuser_fallback: |
|
771 | 771 | return getuser_fallback() |
|
772 | 772 | # raised if win32api not available |
|
773 | 773 | raise Abort(_('user name not available - set USERNAME ' |
|
774 | 774 | 'environment variable')) |
|
775 | 775 | |
|
776 | 776 | def username(uid=None): |
|
777 | 777 | """Return the name of the user with the given uid. |
|
778 | 778 | |
|
779 | 779 | If uid is None, return the name of the current user.""" |
|
780 | 780 | try: |
|
781 | 781 | import pwd |
|
782 | 782 | if uid is None: |
|
783 | 783 | uid = os.getuid() |
|
784 | 784 | try: |
|
785 | 785 | return pwd.getpwuid(uid)[0] |
|
786 | 786 | except KeyError: |
|
787 | 787 | return str(uid) |
|
788 | 788 | except ImportError: |
|
789 | 789 | return None |
|
790 | 790 | |
|
791 | 791 | def groupname(gid=None): |
|
792 | 792 | """Return the name of the group with the given gid. |
|
793 | 793 | |
|
794 | 794 | If gid is None, return the name of the current group.""" |
|
795 | 795 | try: |
|
796 | 796 | import grp |
|
797 | 797 | if gid is None: |
|
798 | 798 | gid = os.getgid() |
|
799 | 799 | try: |
|
800 | 800 | return grp.getgrgid(gid)[0] |
|
801 | 801 | except KeyError: |
|
802 | 802 | return str(gid) |
|
803 | 803 | except ImportError: |
|
804 | 804 | return None |
|
805 | 805 | |
|
806 | 806 | # File system features |
|
807 | 807 | |
|
808 | 808 | def checkfolding(path): |
|
809 | 809 | """ |
|
810 | 810 | Check whether the given path is on a case-sensitive filesystem |
|
811 | 811 | |
|
812 | 812 | Requires a path (like /foo/.hg) ending with a foldable final |
|
813 | 813 | directory component. |
|
814 | 814 | """ |
|
815 | 815 | s1 = os.stat(path) |
|
816 | 816 | d, b = os.path.split(path) |
|
817 | 817 | p2 = os.path.join(d, b.upper()) |
|
818 | 818 | if path == p2: |
|
819 | 819 | p2 = os.path.join(d, b.lower()) |
|
820 | 820 | try: |
|
821 | 821 | s2 = os.stat(p2) |
|
822 | 822 | if s2 == s1: |
|
823 | 823 | return False |
|
824 | 824 | return True |
|
825 | 825 | except: |
|
826 | 826 | return True |
|
827 | 827 | |
|
828 | 828 | def checkexec(path): |
|
829 | 829 | """ |
|
830 | 830 | Check whether the given path is on a filesystem with UNIX-like exec flags |
|
831 | 831 | |
|
832 | 832 | Requires a directory (like /foo/.hg) |
|
833 | 833 | """ |
|
834 | 834 | |
|
835 | 835 | # VFAT on some Linux versions can flip mode but it doesn't persist |
|
836 | 836 | # a FS remount. Frequently we can detect it if files are created |
|
837 | 837 | # with exec bit on. |
|
838 | 838 | |
|
839 | 839 | try: |
|
840 | 840 | EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
|
841 | 841 | fh, fn = tempfile.mkstemp("", "", path) |
|
842 | 842 | try: |
|
843 | 843 | os.close(fh) |
|
844 | 844 | m = os.stat(fn).st_mode & 0777 |
|
845 | 845 | new_file_has_exec = m & EXECFLAGS |
|
846 | 846 | os.chmod(fn, m ^ EXECFLAGS) |
|
847 | 847 | exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) |
|
848 | 848 | finally: |
|
849 | 849 | os.unlink(fn) |
|
850 | 850 | except (IOError, OSError): |
|
851 | 851 | # we don't care, the user probably won't be able to commit anyway |
|
852 | 852 | return False |
|
853 | 853 | return not (new_file_has_exec or exec_flags_cannot_flip) |
|
854 | 854 | |
|
855 | 855 | def execfunc(path, fallback): |
|
856 | 856 | '''return an is_exec() function with default to fallback''' |
|
857 | 857 | if checkexec(path): |
|
858 | 858 | return lambda x: is_exec(os.path.join(path, x)) |
|
859 | 859 | return fallback |
|
860 | 860 | |
|
861 | 861 | def checklink(path): |
|
862 | 862 | """check whether the given path is on a symlink-capable filesystem""" |
|
863 | 863 | # mktemp is not racy because symlink creation will fail if the |
|
864 | 864 | # file already exists |
|
865 | 865 | name = tempfile.mktemp(dir=path) |
|
866 | 866 | try: |
|
867 | 867 | os.symlink(".", name) |
|
868 | 868 | os.unlink(name) |
|
869 | 869 | return True |
|
870 | 870 | except (OSError, AttributeError): |
|
871 | 871 | return False |
|
872 | 872 | |
|
873 | 873 | def linkfunc(path, fallback): |
|
874 | 874 | '''return an is_link() function with default to fallback''' |
|
875 | 875 | if checklink(path): |
|
876 | 876 | return lambda x: os.path.islink(os.path.join(path, x)) |
|
877 | 877 | return fallback |
|
878 | 878 | |
|
879 | 879 | _umask = os.umask(0) |
|
880 | 880 | os.umask(_umask) |
|
881 | 881 | |
|
882 | 882 | def needbinarypatch(): |
|
883 | 883 | """return True if patches should be applied in binary mode by default.""" |
|
884 | 884 | return os.name == 'nt' |
|
885 | 885 | |
|
886 | 886 | def endswithsep(path): |
|
887 | 887 | '''Check path ends with os.sep or os.altsep.''' |
|
888 | 888 | return path.endswith(os.sep) or os.altsep and path.endswith(os.altsep) |
|
889 | 889 | |
|
890 | 890 | def splitpath(path): |
|
891 | 891 | '''Split path by os.sep. |
|
892 | 892 | Note that this function does not use os.altsep because this is |
|
893 | 893 | an alternative of simple "xxx.split(os.sep)". |
|
894 | 894 | It is recommended to use os.path.normpath() before using this |
|
895 | 895 | function if need.''' |
|
896 | 896 | return path.split(os.sep) |
|
897 | 897 | |
|
898 | 898 | # Platform specific variants |
|
899 | 899 | if os.name == 'nt': |
|
900 | 900 | import msvcrt |
|
901 | 901 | nulldev = 'NUL:' |
|
902 | 902 | |
|
903 | 903 | class winstdout: |
|
904 | 904 | '''stdout on windows misbehaves if sent through a pipe''' |
|
905 | 905 | |
|
906 | 906 | def __init__(self, fp): |
|
907 | 907 | self.fp = fp |
|
908 | 908 | |
|
909 | 909 | def __getattr__(self, key): |
|
910 | 910 | return getattr(self.fp, key) |
|
911 | 911 | |
|
912 | 912 | def close(self): |
|
913 | 913 | try: |
|
914 | 914 | self.fp.close() |
|
915 | 915 | except: pass |
|
916 | 916 | |
|
917 | 917 | def write(self, s): |
|
918 | 918 | try: |
|
919 | 919 | # This is workaround for "Not enough space" error on |
|
920 | 920 | # writing large size of data to console. |
|
921 | 921 | limit = 16000 |
|
922 | 922 | l = len(s) |
|
923 | 923 | start = 0 |
|
924 | 924 | while start < l: |
|
925 | 925 | end = start + limit |
|
926 | 926 | self.fp.write(s[start:end]) |
|
927 | 927 | start = end |
|
928 | 928 | except IOError, inst: |
|
929 | 929 | if inst.errno != 0: raise |
|
930 | 930 | self.close() |
|
931 | 931 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
932 | 932 | |
|
933 | 933 | def flush(self): |
|
934 | 934 | try: |
|
935 | 935 | return self.fp.flush() |
|
936 | 936 | except IOError, inst: |
|
937 | 937 | if inst.errno != errno.EINVAL: raise |
|
938 | 938 | self.close() |
|
939 | 939 | raise IOError(errno.EPIPE, 'Broken pipe') |
|
940 | 940 | |
|
941 | 941 | sys.stdout = winstdout(sys.stdout) |
|
942 | 942 | |
|
943 | 943 | def _is_win_9x(): |
|
944 | 944 | '''return true if run on windows 95, 98 or me.''' |
|
945 | 945 | try: |
|
946 | 946 | return sys.getwindowsversion()[3] == 1 |
|
947 | 947 | except AttributeError: |
|
948 | 948 | return 'command' in os.environ.get('comspec', '') |
|
949 | 949 | |
|
950 | 950 | def openhardlinks(): |
|
951 | 951 | return not _is_win_9x and "win32api" in locals() |
|
952 | 952 | |
|
953 | 953 | def system_rcpath(): |
|
954 | 954 | try: |
|
955 | 955 | return system_rcpath_win32() |
|
956 | 956 | except: |
|
957 | 957 | return [r'c:\mercurial\mercurial.ini'] |
|
958 | 958 | |
|
959 | 959 | def user_rcpath(): |
|
960 | 960 | '''return os-specific hgrc search path to the user dir''' |
|
961 | 961 | try: |
|
962 | 962 | userrc = user_rcpath_win32() |
|
963 | 963 | except: |
|
964 | 964 | userrc = os.path.join(os.path.expanduser('~'), 'mercurial.ini') |
|
965 | 965 | path = [userrc] |
|
966 | 966 | userprofile = os.environ.get('USERPROFILE') |
|
967 | 967 | if userprofile: |
|
968 | 968 | path.append(os.path.join(userprofile, 'mercurial.ini')) |
|
969 | 969 | return path |
|
970 | 970 | |
|
971 | 971 | def parse_patch_output(output_line): |
|
972 | 972 | """parses the output produced by patch and returns the file name""" |
|
973 | 973 | pf = output_line[14:] |
|
974 | 974 | if pf[0] == '`': |
|
975 | 975 | pf = pf[1:-1] # Remove the quotes |
|
976 | 976 | return pf |
|
977 | 977 | |
|
978 | 978 | def sshargs(sshcmd, host, user, port): |
|
979 | 979 | '''Build argument list for ssh or Plink''' |
|
980 | 980 | pflag = 'plink' in sshcmd.lower() and '-P' or '-p' |
|
981 | 981 | args = user and ("%s@%s" % (user, host)) or host |
|
982 | 982 | return port and ("%s %s %s" % (args, pflag, port)) or args |
|
983 | 983 | |
|
984 | 984 | def testpid(pid): |
|
985 | 985 | '''return False if pid dead, True if running or not known''' |
|
986 | 986 | return True |
|
987 | 987 | |
|
988 | 988 | def set_flags(f, flags): |
|
989 | 989 | pass |
|
990 | 990 | |
|
991 | 991 | def set_binary(fd): |
|
992 | 992 | msvcrt.setmode(fd.fileno(), os.O_BINARY) |
|
993 | 993 | |
|
994 | 994 | def pconvert(path): |
|
995 | 995 | return '/'.join(splitpath(path)) |
|
996 | 996 | |
|
997 | 997 | def localpath(path): |
|
998 | 998 | return path.replace('/', '\\') |
|
999 | 999 | |
|
1000 | 1000 | def normpath(path): |
|
1001 | 1001 | return pconvert(os.path.normpath(path)) |
|
1002 | 1002 | |
|
1003 | 1003 | makelock = _makelock_file |
|
1004 | 1004 | readlock = _readlock_file |
|
1005 | 1005 | |
|
1006 | 1006 | def samestat(s1, s2): |
|
1007 | 1007 | return False |
|
1008 | 1008 | |
|
1009 | 1009 | # A sequence of backslashes is special iff it precedes a double quote: |
|
1010 | 1010 | # - if there's an even number of backslashes, the double quote is not |
|
1011 | 1011 | # quoted (i.e. it ends the quoted region) |
|
1012 | 1012 | # - if there's an odd number of backslashes, the double quote is quoted |
|
1013 | 1013 | # - in both cases, every pair of backslashes is unquoted into a single |
|
1014 | 1014 | # backslash |
|
1015 | 1015 | # (See http://msdn2.microsoft.com/en-us/library/a1y7w461.aspx ) |
|
1016 | 1016 | # So, to quote a string, we must surround it in double quotes, double |
|
1017 | 1017 | # the number of backslashes that preceed double quotes and add another |
|
1018 | 1018 | # backslash before every double quote (being careful with the double |
|
1019 | 1019 | # quote we've appended to the end) |
|
1020 | 1020 | _quotere = None |
|
1021 | 1021 | def shellquote(s): |
|
1022 | 1022 | global _quotere |
|
1023 | 1023 | if _quotere is None: |
|
1024 | 1024 | _quotere = re.compile(r'(\\*)("|\\$)') |
|
1025 | 1025 | return '"%s"' % _quotere.sub(r'\1\1\\\2', s) |
|
1026 | 1026 | |
|
1027 | 1027 | def quotecommand(cmd): |
|
1028 | 1028 | """Build a command string suitable for os.popen* calls.""" |
|
1029 | 1029 | # The extra quotes are needed because popen* runs the command |
|
1030 | 1030 | # through the current COMSPEC. cmd.exe suppress enclosing quotes. |
|
1031 | 1031 | return '"' + cmd + '"' |
|
1032 | 1032 | |
|
1033 | 1033 | def popen(command): |
|
1034 | 1034 | # Work around "popen spawned process may not write to stdout |
|
1035 | 1035 | # under windows" |
|
1036 | 1036 | # http://bugs.python.org/issue1366 |
|
1037 | 1037 | command += " 2> %s" % nulldev |
|
1038 | 1038 | return os.popen(quotecommand(command)) |
|
1039 | 1039 | |
|
1040 | 1040 | def explain_exit(code): |
|
1041 | 1041 | return _("exited with status %d") % code, code |
|
1042 | 1042 | |
|
1043 | 1043 | # if you change this stub into a real check, please try to implement the |
|
1044 | 1044 | # username and groupname functions above, too. |
|
1045 | 1045 | def isowner(fp, st=None): |
|
1046 | 1046 | return True |
|
1047 | 1047 | |
|
1048 | 1048 | def find_in_path(name, path, default=None): |
|
1049 | 1049 | '''find name in search path. path can be string (will be split |
|
1050 | 1050 | with os.pathsep), or iterable thing that returns strings. if name |
|
1051 | 1051 | found, return path to name. else return default. name is looked up |
|
1052 | 1052 | using cmd.exe rules, using PATHEXT.''' |
|
1053 | 1053 | if isinstance(path, str): |
|
1054 | 1054 | path = path.split(os.pathsep) |
|
1055 | 1055 | |
|
1056 | 1056 | pathext = os.environ.get('PATHEXT', '.COM;.EXE;.BAT;.CMD') |
|
1057 | 1057 | pathext = pathext.lower().split(os.pathsep) |
|
1058 | 1058 | isexec = os.path.splitext(name)[1].lower() in pathext |
|
1059 | 1059 | |
|
1060 | 1060 | for p in path: |
|
1061 | 1061 | p_name = os.path.join(p, name) |
|
1062 | 1062 | |
|
1063 | 1063 | if isexec and os.path.exists(p_name): |
|
1064 | 1064 | return p_name |
|
1065 | 1065 | |
|
1066 | 1066 | for ext in pathext: |
|
1067 | 1067 | p_name_ext = p_name + ext |
|
1068 | 1068 | if os.path.exists(p_name_ext): |
|
1069 | 1069 | return p_name_ext |
|
1070 | 1070 | return default |
|
1071 | 1071 | |
|
1072 | 1072 | def set_signal_handler(): |
|
1073 | 1073 | try: |
|
1074 | 1074 | set_signal_handler_win32() |
|
1075 | 1075 | except NameError: |
|
1076 | 1076 | pass |
|
1077 | 1077 | |
|
1078 | 1078 | try: |
|
1079 | 1079 | # override functions with win32 versions if possible |
|
1080 | 1080 | from util_win32 import * |
|
1081 | 1081 | if not _is_win_9x(): |
|
1082 | 1082 | posixfile = posixfile_nt |
|
1083 | 1083 | except ImportError: |
|
1084 | 1084 | pass |
|
1085 | 1085 | |
|
1086 | 1086 | else: |
|
1087 | 1087 | nulldev = '/dev/null' |
|
1088 | 1088 | |
|
1089 | def lookup_reg(key, name=None, scope=None): | |
|
1090 | return None | |
|
1091 | ||
|
1089 | 1092 | def rcfiles(path): |
|
1090 | 1093 | rcs = [os.path.join(path, 'hgrc')] |
|
1091 | 1094 | rcdir = os.path.join(path, 'hgrc.d') |
|
1092 | 1095 | try: |
|
1093 | 1096 | rcs.extend([os.path.join(rcdir, f) |
|
1094 | 1097 | for f, kind in osutil.listdir(rcdir) |
|
1095 | 1098 | if f.endswith(".rc")]) |
|
1096 | 1099 | except OSError: |
|
1097 | 1100 | pass |
|
1098 | 1101 | return rcs |
|
1099 | 1102 | |
|
1100 | 1103 | def system_rcpath(): |
|
1101 | 1104 | path = [] |
|
1102 | 1105 | # old mod_python does not set sys.argv |
|
1103 | 1106 | if len(getattr(sys, 'argv', [])) > 0: |
|
1104 | 1107 | path.extend(rcfiles(os.path.dirname(sys.argv[0]) + |
|
1105 | 1108 | '/../etc/mercurial')) |
|
1106 | 1109 | path.extend(rcfiles('/etc/mercurial')) |
|
1107 | 1110 | return path |
|
1108 | 1111 | |
|
1109 | 1112 | def user_rcpath(): |
|
1110 | 1113 | return [os.path.expanduser('~/.hgrc')] |
|
1111 | 1114 | |
|
1112 | 1115 | def parse_patch_output(output_line): |
|
1113 | 1116 | """parses the output produced by patch and returns the file name""" |
|
1114 | 1117 | pf = output_line[14:] |
|
1115 | 1118 | if os.sys.platform == 'OpenVMS': |
|
1116 | 1119 | if pf[0] == '`': |
|
1117 | 1120 | pf = pf[1:-1] # Remove the quotes |
|
1118 | 1121 | else: |
|
1119 | 1122 | if pf.startswith("'") and pf.endswith("'") and " " in pf: |
|
1120 | 1123 | pf = pf[1:-1] # Remove the quotes |
|
1121 | 1124 | return pf |
|
1122 | 1125 | |
|
1123 | 1126 | def sshargs(sshcmd, host, user, port): |
|
1124 | 1127 | '''Build argument list for ssh''' |
|
1125 | 1128 | args = user and ("%s@%s" % (user, host)) or host |
|
1126 | 1129 | return port and ("%s -p %s" % (args, port)) or args |
|
1127 | 1130 | |
|
1128 | 1131 | def is_exec(f): |
|
1129 | 1132 | """check whether a file is executable""" |
|
1130 | 1133 | return (os.lstat(f).st_mode & 0100 != 0) |
|
1131 | 1134 | |
|
1132 | 1135 | def set_flags(f, flags): |
|
1133 | 1136 | s = os.lstat(f).st_mode |
|
1134 | 1137 | x = "x" in flags |
|
1135 | 1138 | l = "l" in flags |
|
1136 | 1139 | if l: |
|
1137 | 1140 | if not stat.S_ISLNK(s): |
|
1138 | 1141 | # switch file to link |
|
1139 | 1142 | data = file(f).read() |
|
1140 | 1143 | os.unlink(f) |
|
1141 | 1144 | os.symlink(data, f) |
|
1142 | 1145 | # no chmod needed at this point |
|
1143 | 1146 | return |
|
1144 | 1147 | if stat.S_ISLNK(s): |
|
1145 | 1148 | # switch link to file |
|
1146 | 1149 | data = os.readlink(f) |
|
1147 | 1150 | os.unlink(f) |
|
1148 | 1151 | file(f, "w").write(data) |
|
1149 | 1152 | s = 0666 & ~_umask # avoid restatting for chmod |
|
1150 | 1153 | |
|
1151 | 1154 | sx = s & 0100 |
|
1152 | 1155 | if x and not sx: |
|
1153 | 1156 | # Turn on +x for every +r bit when making a file executable |
|
1154 | 1157 | # and obey umask. |
|
1155 | 1158 | os.chmod(f, s | (s & 0444) >> 2 & ~_umask) |
|
1156 | 1159 | elif not x and sx: |
|
1157 | 1160 | # Turn off all +x bits |
|
1158 | 1161 | os.chmod(f, s & 0666) |
|
1159 | 1162 | |
|
1160 | 1163 | def set_binary(fd): |
|
1161 | 1164 | pass |
|
1162 | 1165 | |
|
1163 | 1166 | def pconvert(path): |
|
1164 | 1167 | return path |
|
1165 | 1168 | |
|
1166 | 1169 | def localpath(path): |
|
1167 | 1170 | return path |
|
1168 | 1171 | |
|
1169 | 1172 | normpath = os.path.normpath |
|
1170 | 1173 | samestat = os.path.samestat |
|
1171 | 1174 | |
|
1172 | 1175 | def makelock(info, pathname): |
|
1173 | 1176 | try: |
|
1174 | 1177 | os.symlink(info, pathname) |
|
1175 | 1178 | except OSError, why: |
|
1176 | 1179 | if why.errno == errno.EEXIST: |
|
1177 | 1180 | raise |
|
1178 | 1181 | else: |
|
1179 | 1182 | _makelock_file(info, pathname) |
|
1180 | 1183 | |
|
1181 | 1184 | def readlock(pathname): |
|
1182 | 1185 | try: |
|
1183 | 1186 | return os.readlink(pathname) |
|
1184 | 1187 | except OSError, why: |
|
1185 | 1188 | if why.errno in (errno.EINVAL, errno.ENOSYS): |
|
1186 | 1189 | return _readlock_file(pathname) |
|
1187 | 1190 | else: |
|
1188 | 1191 | raise |
|
1189 | 1192 | |
|
1190 | 1193 | def shellquote(s): |
|
1191 | 1194 | if os.sys.platform == 'OpenVMS': |
|
1192 | 1195 | return '"%s"' % s |
|
1193 | 1196 | else: |
|
1194 | 1197 | return "'%s'" % s.replace("'", "'\\''") |
|
1195 | 1198 | |
|
1196 | 1199 | def quotecommand(cmd): |
|
1197 | 1200 | return cmd |
|
1198 | 1201 | |
|
1199 | 1202 | def popen(command): |
|
1200 | 1203 | return os.popen(command) |
|
1201 | 1204 | |
|
1202 | 1205 | def testpid(pid): |
|
1203 | 1206 | '''return False if pid dead, True if running or not sure''' |
|
1204 | 1207 | if os.sys.platform == 'OpenVMS': |
|
1205 | 1208 | return True |
|
1206 | 1209 | try: |
|
1207 | 1210 | os.kill(pid, 0) |
|
1208 | 1211 | return True |
|
1209 | 1212 | except OSError, inst: |
|
1210 | 1213 | return inst.errno != errno.ESRCH |
|
1211 | 1214 | |
|
1212 | 1215 | def explain_exit(code): |
|
1213 | 1216 | """return a 2-tuple (desc, code) describing a process's status""" |
|
1214 | 1217 | if os.WIFEXITED(code): |
|
1215 | 1218 | val = os.WEXITSTATUS(code) |
|
1216 | 1219 | return _("exited with status %d") % val, val |
|
1217 | 1220 | elif os.WIFSIGNALED(code): |
|
1218 | 1221 | val = os.WTERMSIG(code) |
|
1219 | 1222 | return _("killed by signal %d") % val, val |
|
1220 | 1223 | elif os.WIFSTOPPED(code): |
|
1221 | 1224 | val = os.WSTOPSIG(code) |
|
1222 | 1225 | return _("stopped by signal %d") % val, val |
|
1223 | 1226 | raise ValueError(_("invalid exit code")) |
|
1224 | 1227 | |
|
1225 | 1228 | def isowner(fp, st=None): |
|
1226 | 1229 | """Return True if the file object f belongs to the current user. |
|
1227 | 1230 | |
|
1228 | 1231 | The return value of a util.fstat(f) may be passed as the st argument. |
|
1229 | 1232 | """ |
|
1230 | 1233 | if st is None: |
|
1231 | 1234 | st = fstat(fp) |
|
1232 | 1235 | return st.st_uid == os.getuid() |
|
1233 | 1236 | |
|
1234 | 1237 | def find_in_path(name, path, default=None): |
|
1235 | 1238 | '''find name in search path. path can be string (will be split |
|
1236 | 1239 | with os.pathsep), or iterable thing that returns strings. if name |
|
1237 | 1240 | found, return path to name. else return default.''' |
|
1238 | 1241 | if isinstance(path, str): |
|
1239 | 1242 | path = path.split(os.pathsep) |
|
1240 | 1243 | for p in path: |
|
1241 | 1244 | p_name = os.path.join(p, name) |
|
1242 | 1245 | if os.path.exists(p_name): |
|
1243 | 1246 | return p_name |
|
1244 | 1247 | return default |
|
1245 | 1248 | |
|
1246 | 1249 | def set_signal_handler(): |
|
1247 | 1250 | pass |
|
1248 | 1251 | |
|
1249 | 1252 | def find_exe(name, default=None): |
|
1250 | 1253 | '''find path of an executable. |
|
1251 | 1254 | if name contains a path component, return it as is. otherwise, |
|
1252 | 1255 | use normal executable search path.''' |
|
1253 | 1256 | |
|
1254 | 1257 | if os.sep in name or sys.platform == 'OpenVMS': |
|
1255 | 1258 | # don't check the executable bit. if the file isn't |
|
1256 | 1259 | # executable, whoever tries to actually run it will give a |
|
1257 | 1260 | # much more useful error message. |
|
1258 | 1261 | return name |
|
1259 | 1262 | return find_in_path(name, os.environ.get('PATH', ''), default=default) |
|
1260 | 1263 | |
|
1261 | 1264 | def _buildencodefun(): |
|
1262 | 1265 | e = '_' |
|
1263 | 1266 | win_reserved = [ord(x) for x in '\\:*?"<>|'] |
|
1264 | 1267 | cmap = dict([ (chr(x), chr(x)) for x in xrange(127) ]) |
|
1265 | 1268 | for x in (range(32) + range(126, 256) + win_reserved): |
|
1266 | 1269 | cmap[chr(x)] = "~%02x" % x |
|
1267 | 1270 | for x in range(ord("A"), ord("Z")+1) + [ord(e)]: |
|
1268 | 1271 | cmap[chr(x)] = e + chr(x).lower() |
|
1269 | 1272 | dmap = {} |
|
1270 | 1273 | for k, v in cmap.iteritems(): |
|
1271 | 1274 | dmap[v] = k |
|
1272 | 1275 | def decode(s): |
|
1273 | 1276 | i = 0 |
|
1274 | 1277 | while i < len(s): |
|
1275 | 1278 | for l in xrange(1, 4): |
|
1276 | 1279 | try: |
|
1277 | 1280 | yield dmap[s[i:i+l]] |
|
1278 | 1281 | i += l |
|
1279 | 1282 | break |
|
1280 | 1283 | except KeyError: |
|
1281 | 1284 | pass |
|
1282 | 1285 | else: |
|
1283 | 1286 | raise KeyError |
|
1284 | 1287 | return (lambda s: "".join([cmap[c] for c in s]), |
|
1285 | 1288 | lambda s: "".join(list(decode(s)))) |
|
1286 | 1289 | |
|
1287 | 1290 | encodefilename, decodefilename = _buildencodefun() |
|
1288 | 1291 | |
|
1289 | 1292 | def encodedopener(openerfn, fn): |
|
1290 | 1293 | def o(path, *args, **kw): |
|
1291 | 1294 | return openerfn(fn(path), *args, **kw) |
|
1292 | 1295 | return o |
|
1293 | 1296 | |
|
1294 | 1297 | def mktempcopy(name, emptyok=False): |
|
1295 | 1298 | """Create a temporary file with the same contents from name |
|
1296 | 1299 | |
|
1297 | 1300 | The permission bits are copied from the original file. |
|
1298 | 1301 | |
|
1299 | 1302 | If the temporary file is going to be truncated immediately, you |
|
1300 | 1303 | can use emptyok=True as an optimization. |
|
1301 | 1304 | |
|
1302 | 1305 | Returns the name of the temporary file. |
|
1303 | 1306 | """ |
|
1304 | 1307 | d, fn = os.path.split(name) |
|
1305 | 1308 | fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d) |
|
1306 | 1309 | os.close(fd) |
|
1307 | 1310 | # Temporary files are created with mode 0600, which is usually not |
|
1308 | 1311 | # what we want. If the original file already exists, just copy |
|
1309 | 1312 | # its mode. Otherwise, manually obey umask. |
|
1310 | 1313 | try: |
|
1311 | 1314 | st_mode = os.lstat(name).st_mode & 0777 |
|
1312 | 1315 | except OSError, inst: |
|
1313 | 1316 | if inst.errno != errno.ENOENT: |
|
1314 | 1317 | raise |
|
1315 | 1318 | st_mode = 0666 & ~_umask |
|
1316 | 1319 | os.chmod(temp, st_mode) |
|
1317 | 1320 | if emptyok: |
|
1318 | 1321 | return temp |
|
1319 | 1322 | try: |
|
1320 | 1323 | try: |
|
1321 | 1324 | ifp = posixfile(name, "rb") |
|
1322 | 1325 | except IOError, inst: |
|
1323 | 1326 | if inst.errno == errno.ENOENT: |
|
1324 | 1327 | return temp |
|
1325 | 1328 | if not getattr(inst, 'filename', None): |
|
1326 | 1329 | inst.filename = name |
|
1327 | 1330 | raise |
|
1328 | 1331 | ofp = posixfile(temp, "wb") |
|
1329 | 1332 | for chunk in filechunkiter(ifp): |
|
1330 | 1333 | ofp.write(chunk) |
|
1331 | 1334 | ifp.close() |
|
1332 | 1335 | ofp.close() |
|
1333 | 1336 | except: |
|
1334 | 1337 | try: os.unlink(temp) |
|
1335 | 1338 | except: pass |
|
1336 | 1339 | raise |
|
1337 | 1340 | return temp |
|
1338 | 1341 | |
|
1339 | 1342 | class atomictempfile(posixfile): |
|
1340 | 1343 | """file-like object that atomically updates a file |
|
1341 | 1344 | |
|
1342 | 1345 | All writes will be redirected to a temporary copy of the original |
|
1343 | 1346 | file. When rename is called, the copy is renamed to the original |
|
1344 | 1347 | name, making the changes visible. |
|
1345 | 1348 | """ |
|
1346 | 1349 | def __init__(self, name, mode): |
|
1347 | 1350 | self.__name = name |
|
1348 | 1351 | self.temp = mktempcopy(name, emptyok=('w' in mode)) |
|
1349 | 1352 | posixfile.__init__(self, self.temp, mode) |
|
1350 | 1353 | |
|
1351 | 1354 | def rename(self): |
|
1352 | 1355 | if not self.closed: |
|
1353 | 1356 | posixfile.close(self) |
|
1354 | 1357 | rename(self.temp, localpath(self.__name)) |
|
1355 | 1358 | |
|
1356 | 1359 | def __del__(self): |
|
1357 | 1360 | if not self.closed: |
|
1358 | 1361 | try: |
|
1359 | 1362 | os.unlink(self.temp) |
|
1360 | 1363 | except: pass |
|
1361 | 1364 | posixfile.close(self) |
|
1362 | 1365 | |
|
1363 | 1366 | class opener(object): |
|
1364 | 1367 | """Open files relative to a base directory |
|
1365 | 1368 | |
|
1366 | 1369 | This class is used to hide the details of COW semantics and |
|
1367 | 1370 | remote file access from higher level code. |
|
1368 | 1371 | """ |
|
1369 | 1372 | def __init__(self, base, audit=True): |
|
1370 | 1373 | self.base = base |
|
1371 | 1374 | if audit: |
|
1372 | 1375 | self.audit_path = path_auditor(base) |
|
1373 | 1376 | else: |
|
1374 | 1377 | self.audit_path = always |
|
1375 | 1378 | |
|
1376 | 1379 | def __getattr__(self, name): |
|
1377 | 1380 | if name == '_can_symlink': |
|
1378 | 1381 | self._can_symlink = checklink(self.base) |
|
1379 | 1382 | return self._can_symlink |
|
1380 | 1383 | raise AttributeError(name) |
|
1381 | 1384 | |
|
1382 | 1385 | def __call__(self, path, mode="r", text=False, atomictemp=False): |
|
1383 | 1386 | self.audit_path(path) |
|
1384 | 1387 | f = os.path.join(self.base, path) |
|
1385 | 1388 | |
|
1386 | 1389 | if not text and "b" not in mode: |
|
1387 | 1390 | mode += "b" # for that other OS |
|
1388 | 1391 | |
|
1389 | 1392 | if mode[0] != "r": |
|
1390 | 1393 | try: |
|
1391 | 1394 | nlink = nlinks(f) |
|
1392 | 1395 | except OSError: |
|
1393 | 1396 | nlink = 0 |
|
1394 | 1397 | d = os.path.dirname(f) |
|
1395 | 1398 | if not os.path.isdir(d): |
|
1396 | 1399 | os.makedirs(d) |
|
1397 | 1400 | if atomictemp: |
|
1398 | 1401 | return atomictempfile(f, mode) |
|
1399 | 1402 | if nlink > 1: |
|
1400 | 1403 | rename(mktempcopy(f), f) |
|
1401 | 1404 | return posixfile(f, mode) |
|
1402 | 1405 | |
|
1403 | 1406 | def symlink(self, src, dst): |
|
1404 | 1407 | self.audit_path(dst) |
|
1405 | 1408 | linkname = os.path.join(self.base, dst) |
|
1406 | 1409 | try: |
|
1407 | 1410 | os.unlink(linkname) |
|
1408 | 1411 | except OSError: |
|
1409 | 1412 | pass |
|
1410 | 1413 | |
|
1411 | 1414 | dirname = os.path.dirname(linkname) |
|
1412 | 1415 | if not os.path.exists(dirname): |
|
1413 | 1416 | os.makedirs(dirname) |
|
1414 | 1417 | |
|
1415 | 1418 | if self._can_symlink: |
|
1416 | 1419 | try: |
|
1417 | 1420 | os.symlink(src, linkname) |
|
1418 | 1421 | except OSError, err: |
|
1419 | 1422 | raise OSError(err.errno, _('could not symlink to %r: %s') % |
|
1420 | 1423 | (src, err.strerror), linkname) |
|
1421 | 1424 | else: |
|
1422 | 1425 | f = self(dst, "w") |
|
1423 | 1426 | f.write(src) |
|
1424 | 1427 | f.close() |
|
1425 | 1428 | |
|
1426 | 1429 | class chunkbuffer(object): |
|
1427 | 1430 | """Allow arbitrary sized chunks of data to be efficiently read from an |
|
1428 | 1431 | iterator over chunks of arbitrary size.""" |
|
1429 | 1432 | |
|
1430 | 1433 | def __init__(self, in_iter): |
|
1431 | 1434 | """in_iter is the iterator that's iterating over the input chunks. |
|
1432 | 1435 | targetsize is how big a buffer to try to maintain.""" |
|
1433 | 1436 | self.iter = iter(in_iter) |
|
1434 | 1437 | self.buf = '' |
|
1435 | 1438 | self.targetsize = 2**16 |
|
1436 | 1439 | |
|
1437 | 1440 | def read(self, l): |
|
1438 | 1441 | """Read L bytes of data from the iterator of chunks of data. |
|
1439 | 1442 | Returns less than L bytes if the iterator runs dry.""" |
|
1440 | 1443 | if l > len(self.buf) and self.iter: |
|
1441 | 1444 | # Clamp to a multiple of self.targetsize |
|
1442 | 1445 | targetsize = max(l, self.targetsize) |
|
1443 | 1446 | collector = cStringIO.StringIO() |
|
1444 | 1447 | collector.write(self.buf) |
|
1445 | 1448 | collected = len(self.buf) |
|
1446 | 1449 | for chunk in self.iter: |
|
1447 | 1450 | collector.write(chunk) |
|
1448 | 1451 | collected += len(chunk) |
|
1449 | 1452 | if collected >= targetsize: |
|
1450 | 1453 | break |
|
1451 | 1454 | if collected < targetsize: |
|
1452 | 1455 | self.iter = False |
|
1453 | 1456 | self.buf = collector.getvalue() |
|
1454 | 1457 | if len(self.buf) == l: |
|
1455 | 1458 | s, self.buf = str(self.buf), '' |
|
1456 | 1459 | else: |
|
1457 | 1460 | s, self.buf = self.buf[:l], buffer(self.buf, l) |
|
1458 | 1461 | return s |
|
1459 | 1462 | |
|
1460 | 1463 | def filechunkiter(f, size=65536, limit=None): |
|
1461 | 1464 | """Create a generator that produces the data in the file size |
|
1462 | 1465 | (default 65536) bytes at a time, up to optional limit (default is |
|
1463 | 1466 | to read all data). Chunks may be less than size bytes if the |
|
1464 | 1467 | chunk is the last chunk in the file, or the file is a socket or |
|
1465 | 1468 | some other type of file that sometimes reads less data than is |
|
1466 | 1469 | requested.""" |
|
1467 | 1470 | assert size >= 0 |
|
1468 | 1471 | assert limit is None or limit >= 0 |
|
1469 | 1472 | while True: |
|
1470 | 1473 | if limit is None: nbytes = size |
|
1471 | 1474 | else: nbytes = min(limit, size) |
|
1472 | 1475 | s = nbytes and f.read(nbytes) |
|
1473 | 1476 | if not s: break |
|
1474 | 1477 | if limit: limit -= len(s) |
|
1475 | 1478 | yield s |
|
1476 | 1479 | |
|
1477 | 1480 | def makedate(): |
|
1478 | 1481 | lt = time.localtime() |
|
1479 | 1482 | if lt[8] == 1 and time.daylight: |
|
1480 | 1483 | tz = time.altzone |
|
1481 | 1484 | else: |
|
1482 | 1485 | tz = time.timezone |
|
1483 | 1486 | return time.mktime(lt), tz |
|
1484 | 1487 | |
|
1485 | 1488 | def datestr(date=None, format='%a %b %d %H:%M:%S %Y', timezone=True, timezone_format=" %+03d%02d"): |
|
1486 | 1489 | """represent a (unixtime, offset) tuple as a localized time. |
|
1487 | 1490 | unixtime is seconds since the epoch, and offset is the time zone's |
|
1488 | 1491 | number of seconds away from UTC. if timezone is false, do not |
|
1489 | 1492 | append time zone to string.""" |
|
1490 | 1493 | t, tz = date or makedate() |
|
1491 | 1494 | s = time.strftime(format, time.gmtime(float(t) - tz)) |
|
1492 | 1495 | if timezone: |
|
1493 | 1496 | s += timezone_format % (-tz / 3600, ((-tz % 3600) / 60)) |
|
1494 | 1497 | return s |
|
1495 | 1498 | |
|
1496 | 1499 | def strdate(string, format, defaults=[]): |
|
1497 | 1500 | """parse a localized time string and return a (unixtime, offset) tuple. |
|
1498 | 1501 | if the string cannot be parsed, ValueError is raised.""" |
|
1499 | 1502 | def timezone(string): |
|
1500 | 1503 | tz = string.split()[-1] |
|
1501 | 1504 | if tz[0] in "+-" and len(tz) == 5 and tz[1:].isdigit(): |
|
1502 | 1505 | tz = int(tz) |
|
1503 | 1506 | offset = - 3600 * (tz / 100) - 60 * (tz % 100) |
|
1504 | 1507 | return offset |
|
1505 | 1508 | if tz == "GMT" or tz == "UTC": |
|
1506 | 1509 | return 0 |
|
1507 | 1510 | return None |
|
1508 | 1511 | |
|
1509 | 1512 | # NOTE: unixtime = localunixtime + offset |
|
1510 | 1513 | offset, date = timezone(string), string |
|
1511 | 1514 | if offset != None: |
|
1512 | 1515 | date = " ".join(string.split()[:-1]) |
|
1513 | 1516 | |
|
1514 | 1517 | # add missing elements from defaults |
|
1515 | 1518 | for part in defaults: |
|
1516 | 1519 | found = [True for p in part if ("%"+p) in format] |
|
1517 | 1520 | if not found: |
|
1518 | 1521 | date += "@" + defaults[part] |
|
1519 | 1522 | format += "@%" + part[0] |
|
1520 | 1523 | |
|
1521 | 1524 | timetuple = time.strptime(date, format) |
|
1522 | 1525 | localunixtime = int(calendar.timegm(timetuple)) |
|
1523 | 1526 | if offset is None: |
|
1524 | 1527 | # local timezone |
|
1525 | 1528 | unixtime = int(time.mktime(timetuple)) |
|
1526 | 1529 | offset = unixtime - localunixtime |
|
1527 | 1530 | else: |
|
1528 | 1531 | unixtime = localunixtime + offset |
|
1529 | 1532 | return unixtime, offset |
|
1530 | 1533 | |
|
1531 | 1534 | def parsedate(string, formats=None, defaults=None): |
|
1532 | 1535 | """parse a localized time string and return a (unixtime, offset) tuple. |
|
1533 | 1536 | The date may be a "unixtime offset" string or in one of the specified |
|
1534 | 1537 | formats.""" |
|
1535 | 1538 | if not string: |
|
1536 | 1539 | return 0, 0 |
|
1537 | 1540 | if not formats: |
|
1538 | 1541 | formats = defaultdateformats |
|
1539 | 1542 | string = string.strip() |
|
1540 | 1543 | try: |
|
1541 | 1544 | when, offset = map(int, string.split(' ')) |
|
1542 | 1545 | except ValueError: |
|
1543 | 1546 | # fill out defaults |
|
1544 | 1547 | if not defaults: |
|
1545 | 1548 | defaults = {} |
|
1546 | 1549 | now = makedate() |
|
1547 | 1550 | for part in "d mb yY HI M S".split(): |
|
1548 | 1551 | if part not in defaults: |
|
1549 | 1552 | if part[0] in "HMS": |
|
1550 | 1553 | defaults[part] = "00" |
|
1551 | 1554 | elif part[0] in "dm": |
|
1552 | 1555 | defaults[part] = "1" |
|
1553 | 1556 | else: |
|
1554 | 1557 | defaults[part] = datestr(now, "%" + part[0], False) |
|
1555 | 1558 | |
|
1556 | 1559 | for format in formats: |
|
1557 | 1560 | try: |
|
1558 | 1561 | when, offset = strdate(string, format, defaults) |
|
1559 | 1562 | except ValueError: |
|
1560 | 1563 | pass |
|
1561 | 1564 | else: |
|
1562 | 1565 | break |
|
1563 | 1566 | else: |
|
1564 | 1567 | raise Abort(_('invalid date: %r ') % string) |
|
1565 | 1568 | # validate explicit (probably user-specified) date and |
|
1566 | 1569 | # time zone offset. values must fit in signed 32 bits for |
|
1567 | 1570 | # current 32-bit linux runtimes. timezones go from UTC-12 |
|
1568 | 1571 | # to UTC+14 |
|
1569 | 1572 | if abs(when) > 0x7fffffff: |
|
1570 | 1573 | raise Abort(_('date exceeds 32 bits: %d') % when) |
|
1571 | 1574 | if offset < -50400 or offset > 43200: |
|
1572 | 1575 | raise Abort(_('impossible time zone offset: %d') % offset) |
|
1573 | 1576 | return when, offset |
|
1574 | 1577 | |
|
1575 | 1578 | def matchdate(date): |
|
1576 | 1579 | """Return a function that matches a given date match specifier |
|
1577 | 1580 | |
|
1578 | 1581 | Formats include: |
|
1579 | 1582 | |
|
1580 | 1583 | '{date}' match a given date to the accuracy provided |
|
1581 | 1584 | |
|
1582 | 1585 | '<{date}' on or before a given date |
|
1583 | 1586 | |
|
1584 | 1587 | '>{date}' on or after a given date |
|
1585 | 1588 | |
|
1586 | 1589 | """ |
|
1587 | 1590 | |
|
1588 | 1591 | def lower(date): |
|
1589 | 1592 | return parsedate(date, extendeddateformats)[0] |
|
1590 | 1593 | |
|
1591 | 1594 | def upper(date): |
|
1592 | 1595 | d = dict(mb="12", HI="23", M="59", S="59") |
|
1593 | 1596 | for days in "31 30 29".split(): |
|
1594 | 1597 | try: |
|
1595 | 1598 | d["d"] = days |
|
1596 | 1599 | return parsedate(date, extendeddateformats, d)[0] |
|
1597 | 1600 | except: |
|
1598 | 1601 | pass |
|
1599 | 1602 | d["d"] = "28" |
|
1600 | 1603 | return parsedate(date, extendeddateformats, d)[0] |
|
1601 | 1604 | |
|
1602 | 1605 | if date[0] == "<": |
|
1603 | 1606 | when = upper(date[1:]) |
|
1604 | 1607 | return lambda x: x <= when |
|
1605 | 1608 | elif date[0] == ">": |
|
1606 | 1609 | when = lower(date[1:]) |
|
1607 | 1610 | return lambda x: x >= when |
|
1608 | 1611 | elif date[0] == "-": |
|
1609 | 1612 | try: |
|
1610 | 1613 | days = int(date[1:]) |
|
1611 | 1614 | except ValueError: |
|
1612 | 1615 | raise Abort(_("invalid day spec: %s") % date[1:]) |
|
1613 | 1616 | when = makedate()[0] - days * 3600 * 24 |
|
1614 | 1617 | return lambda x: x >= when |
|
1615 | 1618 | elif " to " in date: |
|
1616 | 1619 | a, b = date.split(" to ") |
|
1617 | 1620 | start, stop = lower(a), upper(b) |
|
1618 | 1621 | return lambda x: x >= start and x <= stop |
|
1619 | 1622 | else: |
|
1620 | 1623 | start, stop = lower(date), upper(date) |
|
1621 | 1624 | return lambda x: x >= start and x <= stop |
|
1622 | 1625 | |
|
1623 | 1626 | def shortuser(user): |
|
1624 | 1627 | """Return a short representation of a user name or email address.""" |
|
1625 | 1628 | f = user.find('@') |
|
1626 | 1629 | if f >= 0: |
|
1627 | 1630 | user = user[:f] |
|
1628 | 1631 | f = user.find('<') |
|
1629 | 1632 | if f >= 0: |
|
1630 | 1633 | user = user[f+1:] |
|
1631 | 1634 | f = user.find(' ') |
|
1632 | 1635 | if f >= 0: |
|
1633 | 1636 | user = user[:f] |
|
1634 | 1637 | f = user.find('.') |
|
1635 | 1638 | if f >= 0: |
|
1636 | 1639 | user = user[:f] |
|
1637 | 1640 | return user |
|
1638 | 1641 | |
|
1639 | 1642 | def email(author): |
|
1640 | 1643 | '''get email of author.''' |
|
1641 | 1644 | r = author.find('>') |
|
1642 | 1645 | if r == -1: r = None |
|
1643 | 1646 | return author[author.find('<')+1:r] |
|
1644 | 1647 | |
|
1645 | 1648 | def ellipsis(text, maxlength=400): |
|
1646 | 1649 | """Trim string to at most maxlength (default: 400) characters.""" |
|
1647 | 1650 | if len(text) <= maxlength: |
|
1648 | 1651 | return text |
|
1649 | 1652 | else: |
|
1650 | 1653 | return "%s..." % (text[:maxlength-3]) |
|
1651 | 1654 | |
|
1652 | 1655 | def walkrepos(path): |
|
1653 | 1656 | '''yield every hg repository under path, recursively.''' |
|
1654 | 1657 | def errhandler(err): |
|
1655 | 1658 | if err.filename == path: |
|
1656 | 1659 | raise err |
|
1657 | 1660 | |
|
1658 | 1661 | for root, dirs, files in os.walk(path, onerror=errhandler): |
|
1659 | 1662 | for d in dirs: |
|
1660 | 1663 | if d == '.hg': |
|
1661 | 1664 | yield root |
|
1662 | 1665 | dirs[:] = [] |
|
1663 | 1666 | break |
|
1664 | 1667 | |
|
1665 | 1668 | _rcpath = None |
|
1666 | 1669 | |
|
1667 | 1670 | def os_rcpath(): |
|
1668 | 1671 | '''return default os-specific hgrc search path''' |
|
1669 | 1672 | path = system_rcpath() |
|
1670 | 1673 | path.extend(user_rcpath()) |
|
1671 | 1674 | path = [os.path.normpath(f) for f in path] |
|
1672 | 1675 | return path |
|
1673 | 1676 | |
|
1674 | 1677 | def rcpath(): |
|
1675 | 1678 | '''return hgrc search path. if env var HGRCPATH is set, use it. |
|
1676 | 1679 | for each item in path, if directory, use files ending in .rc, |
|
1677 | 1680 | else use item. |
|
1678 | 1681 | make HGRCPATH empty to only look in .hg/hgrc of current repo. |
|
1679 | 1682 | if no HGRCPATH, use default os-specific path.''' |
|
1680 | 1683 | global _rcpath |
|
1681 | 1684 | if _rcpath is None: |
|
1682 | 1685 | if 'HGRCPATH' in os.environ: |
|
1683 | 1686 | _rcpath = [] |
|
1684 | 1687 | for p in os.environ['HGRCPATH'].split(os.pathsep): |
|
1685 | 1688 | if not p: continue |
|
1686 | 1689 | if os.path.isdir(p): |
|
1687 | 1690 | for f, kind in osutil.listdir(p): |
|
1688 | 1691 | if f.endswith('.rc'): |
|
1689 | 1692 | _rcpath.append(os.path.join(p, f)) |
|
1690 | 1693 | else: |
|
1691 | 1694 | _rcpath.append(p) |
|
1692 | 1695 | else: |
|
1693 | 1696 | _rcpath = os_rcpath() |
|
1694 | 1697 | return _rcpath |
|
1695 | 1698 | |
|
1696 | 1699 | def bytecount(nbytes): |
|
1697 | 1700 | '''return byte count formatted as readable string, with units''' |
|
1698 | 1701 | |
|
1699 | 1702 | units = ( |
|
1700 | 1703 | (100, 1<<30, _('%.0f GB')), |
|
1701 | 1704 | (10, 1<<30, _('%.1f GB')), |
|
1702 | 1705 | (1, 1<<30, _('%.2f GB')), |
|
1703 | 1706 | (100, 1<<20, _('%.0f MB')), |
|
1704 | 1707 | (10, 1<<20, _('%.1f MB')), |
|
1705 | 1708 | (1, 1<<20, _('%.2f MB')), |
|
1706 | 1709 | (100, 1<<10, _('%.0f KB')), |
|
1707 | 1710 | (10, 1<<10, _('%.1f KB')), |
|
1708 | 1711 | (1, 1<<10, _('%.2f KB')), |
|
1709 | 1712 | (1, 1, _('%.0f bytes')), |
|
1710 | 1713 | ) |
|
1711 | 1714 | |
|
1712 | 1715 | for multiplier, divisor, format in units: |
|
1713 | 1716 | if nbytes >= divisor * multiplier: |
|
1714 | 1717 | return format % (nbytes / float(divisor)) |
|
1715 | 1718 | return units[-1][2] % nbytes |
|
1716 | 1719 | |
|
1717 | 1720 | def drop_scheme(scheme, path): |
|
1718 | 1721 | sc = scheme + ':' |
|
1719 | 1722 | if path.startswith(sc): |
|
1720 | 1723 | path = path[len(sc):] |
|
1721 | 1724 | if path.startswith('//'): |
|
1722 | 1725 | path = path[2:] |
|
1723 | 1726 | return path |
|
1724 | 1727 | |
|
1725 | 1728 | def uirepr(s): |
|
1726 | 1729 | # Avoid double backslash in Windows path repr() |
|
1727 | 1730 | return repr(s).replace('\\\\', '\\') |
|
1728 | 1731 | |
|
1729 | 1732 | def hidepassword(url): |
|
1730 | 1733 | '''hide user credential in a url string''' |
|
1731 | 1734 | scheme, netloc, path, params, query, fragment = urlparse.urlparse(url) |
|
1732 | 1735 | netloc = re.sub('([^:]*):([^@]*)@(.*)', r'\1:***@\3', netloc) |
|
1733 | 1736 | return urlparse.urlunparse((scheme, netloc, path, params, query, fragment)) |
|
1734 | 1737 | |
|
1735 | 1738 | def removeauth(url): |
|
1736 | 1739 | '''remove all authentication information from a url string''' |
|
1737 | 1740 | scheme, netloc, path, params, query, fragment = urlparse.urlparse(url) |
|
1738 | 1741 | netloc = netloc[netloc.find('@')+1:] |
|
1739 | 1742 | return urlparse.urlunparse((scheme, netloc, path, params, query, fragment)) |
@@ -1,340 +1,371 b'' | |||
|
1 | 1 | # util_win32.py - utility functions that use win32 API |
|
2 | 2 | # |
|
3 | 3 | # Copyright 2005 Matt Mackall <mpm@selenic.com> |
|
4 | 4 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
|
5 | 5 | # |
|
6 | 6 | # This software may be used and distributed according to the terms of |
|
7 | 7 | # the GNU General Public License, incorporated herein by reference. |
|
8 | 8 | |
|
9 | 9 | # Mark Hammond's win32all package allows better functionality on |
|
10 | 10 | # Windows. this module overrides definitions in util.py. if not |
|
11 | 11 | # available, import of this module will fail, and generic code will be |
|
12 | 12 | # used. |
|
13 | 13 | |
|
14 | 14 | import win32api |
|
15 | 15 | |
|
16 | 16 | from i18n import _ |
|
17 | 17 | import errno, os, pywintypes, win32con, win32file, win32process |
|
18 | 18 | import cStringIO, winerror |
|
19 | 19 | import osutil |
|
20 | 20 | from win32com.shell import shell,shellcon |
|
21 | 21 | |
|
22 | 22 | class WinError: |
|
23 | 23 | winerror_map = { |
|
24 | 24 | winerror.ERROR_ACCESS_DENIED: errno.EACCES, |
|
25 | 25 | winerror.ERROR_ACCOUNT_DISABLED: errno.EACCES, |
|
26 | 26 | winerror.ERROR_ACCOUNT_RESTRICTION: errno.EACCES, |
|
27 | 27 | winerror.ERROR_ALREADY_ASSIGNED: errno.EBUSY, |
|
28 | 28 | winerror.ERROR_ALREADY_EXISTS: errno.EEXIST, |
|
29 | 29 | winerror.ERROR_ARITHMETIC_OVERFLOW: errno.ERANGE, |
|
30 | 30 | winerror.ERROR_BAD_COMMAND: errno.EIO, |
|
31 | 31 | winerror.ERROR_BAD_DEVICE: errno.ENODEV, |
|
32 | 32 | winerror.ERROR_BAD_DRIVER_LEVEL: errno.ENXIO, |
|
33 | 33 | winerror.ERROR_BAD_EXE_FORMAT: errno.ENOEXEC, |
|
34 | 34 | winerror.ERROR_BAD_FORMAT: errno.ENOEXEC, |
|
35 | 35 | winerror.ERROR_BAD_LENGTH: errno.EINVAL, |
|
36 | 36 | winerror.ERROR_BAD_PATHNAME: errno.ENOENT, |
|
37 | 37 | winerror.ERROR_BAD_PIPE: errno.EPIPE, |
|
38 | 38 | winerror.ERROR_BAD_UNIT: errno.ENODEV, |
|
39 | 39 | winerror.ERROR_BAD_USERNAME: errno.EINVAL, |
|
40 | 40 | winerror.ERROR_BROKEN_PIPE: errno.EPIPE, |
|
41 | 41 | winerror.ERROR_BUFFER_OVERFLOW: errno.ENAMETOOLONG, |
|
42 | 42 | winerror.ERROR_BUSY: errno.EBUSY, |
|
43 | 43 | winerror.ERROR_BUSY_DRIVE: errno.EBUSY, |
|
44 | 44 | winerror.ERROR_CALL_NOT_IMPLEMENTED: errno.ENOSYS, |
|
45 | 45 | winerror.ERROR_CANNOT_MAKE: errno.EACCES, |
|
46 | 46 | winerror.ERROR_CANTOPEN: errno.EIO, |
|
47 | 47 | winerror.ERROR_CANTREAD: errno.EIO, |
|
48 | 48 | winerror.ERROR_CANTWRITE: errno.EIO, |
|
49 | 49 | winerror.ERROR_CRC: errno.EIO, |
|
50 | 50 | winerror.ERROR_CURRENT_DIRECTORY: errno.EACCES, |
|
51 | 51 | winerror.ERROR_DEVICE_IN_USE: errno.EBUSY, |
|
52 | 52 | winerror.ERROR_DEV_NOT_EXIST: errno.ENODEV, |
|
53 | 53 | winerror.ERROR_DIRECTORY: errno.EINVAL, |
|
54 | 54 | winerror.ERROR_DIR_NOT_EMPTY: errno.ENOTEMPTY, |
|
55 | 55 | winerror.ERROR_DISK_CHANGE: errno.EIO, |
|
56 | 56 | winerror.ERROR_DISK_FULL: errno.ENOSPC, |
|
57 | 57 | winerror.ERROR_DRIVE_LOCKED: errno.EBUSY, |
|
58 | 58 | winerror.ERROR_ENVVAR_NOT_FOUND: errno.EINVAL, |
|
59 | 59 | winerror.ERROR_EXE_MARKED_INVALID: errno.ENOEXEC, |
|
60 | 60 | winerror.ERROR_FILENAME_EXCED_RANGE: errno.ENAMETOOLONG, |
|
61 | 61 | winerror.ERROR_FILE_EXISTS: errno.EEXIST, |
|
62 | 62 | winerror.ERROR_FILE_INVALID: errno.ENODEV, |
|
63 | 63 | winerror.ERROR_FILE_NOT_FOUND: errno.ENOENT, |
|
64 | 64 | winerror.ERROR_GEN_FAILURE: errno.EIO, |
|
65 | 65 | winerror.ERROR_HANDLE_DISK_FULL: errno.ENOSPC, |
|
66 | 66 | winerror.ERROR_INSUFFICIENT_BUFFER: errno.ENOMEM, |
|
67 | 67 | winerror.ERROR_INVALID_ACCESS: errno.EACCES, |
|
68 | 68 | winerror.ERROR_INVALID_ADDRESS: errno.EFAULT, |
|
69 | 69 | winerror.ERROR_INVALID_BLOCK: errno.EFAULT, |
|
70 | 70 | winerror.ERROR_INVALID_DATA: errno.EINVAL, |
|
71 | 71 | winerror.ERROR_INVALID_DRIVE: errno.ENODEV, |
|
72 | 72 | winerror.ERROR_INVALID_EXE_SIGNATURE: errno.ENOEXEC, |
|
73 | 73 | winerror.ERROR_INVALID_FLAGS: errno.EINVAL, |
|
74 | 74 | winerror.ERROR_INVALID_FUNCTION: errno.ENOSYS, |
|
75 | 75 | winerror.ERROR_INVALID_HANDLE: errno.EBADF, |
|
76 | 76 | winerror.ERROR_INVALID_LOGON_HOURS: errno.EACCES, |
|
77 | 77 | winerror.ERROR_INVALID_NAME: errno.EINVAL, |
|
78 | 78 | winerror.ERROR_INVALID_OWNER: errno.EINVAL, |
|
79 | 79 | winerror.ERROR_INVALID_PARAMETER: errno.EINVAL, |
|
80 | 80 | winerror.ERROR_INVALID_PASSWORD: errno.EPERM, |
|
81 | 81 | winerror.ERROR_INVALID_PRIMARY_GROUP: errno.EINVAL, |
|
82 | 82 | winerror.ERROR_INVALID_SIGNAL_NUMBER: errno.EINVAL, |
|
83 | 83 | winerror.ERROR_INVALID_TARGET_HANDLE: errno.EIO, |
|
84 | 84 | winerror.ERROR_INVALID_WORKSTATION: errno.EACCES, |
|
85 | 85 | winerror.ERROR_IO_DEVICE: errno.EIO, |
|
86 | 86 | winerror.ERROR_IO_INCOMPLETE: errno.EINTR, |
|
87 | 87 | winerror.ERROR_LOCKED: errno.EBUSY, |
|
88 | 88 | winerror.ERROR_LOCK_VIOLATION: errno.EACCES, |
|
89 | 89 | winerror.ERROR_LOGON_FAILURE: errno.EACCES, |
|
90 | 90 | winerror.ERROR_MAPPED_ALIGNMENT: errno.EINVAL, |
|
91 | 91 | winerror.ERROR_META_EXPANSION_TOO_LONG: errno.E2BIG, |
|
92 | 92 | winerror.ERROR_MORE_DATA: errno.EPIPE, |
|
93 | 93 | winerror.ERROR_NEGATIVE_SEEK: errno.ESPIPE, |
|
94 | 94 | winerror.ERROR_NOACCESS: errno.EFAULT, |
|
95 | 95 | winerror.ERROR_NONE_MAPPED: errno.EINVAL, |
|
96 | 96 | winerror.ERROR_NOT_ENOUGH_MEMORY: errno.ENOMEM, |
|
97 | 97 | winerror.ERROR_NOT_READY: errno.EAGAIN, |
|
98 | 98 | winerror.ERROR_NOT_SAME_DEVICE: errno.EXDEV, |
|
99 | 99 | winerror.ERROR_NO_DATA: errno.EPIPE, |
|
100 | 100 | winerror.ERROR_NO_MORE_SEARCH_HANDLES: errno.EIO, |
|
101 | 101 | winerror.ERROR_NO_PROC_SLOTS: errno.EAGAIN, |
|
102 | 102 | winerror.ERROR_NO_SUCH_PRIVILEGE: errno.EACCES, |
|
103 | 103 | winerror.ERROR_OPEN_FAILED: errno.EIO, |
|
104 | 104 | winerror.ERROR_OPEN_FILES: errno.EBUSY, |
|
105 | 105 | winerror.ERROR_OPERATION_ABORTED: errno.EINTR, |
|
106 | 106 | winerror.ERROR_OUTOFMEMORY: errno.ENOMEM, |
|
107 | 107 | winerror.ERROR_PASSWORD_EXPIRED: errno.EACCES, |
|
108 | 108 | winerror.ERROR_PATH_BUSY: errno.EBUSY, |
|
109 | 109 | winerror.ERROR_PATH_NOT_FOUND: errno.ENOENT, |
|
110 | 110 | winerror.ERROR_PIPE_BUSY: errno.EBUSY, |
|
111 | 111 | winerror.ERROR_PIPE_CONNECTED: errno.EPIPE, |
|
112 | 112 | winerror.ERROR_PIPE_LISTENING: errno.EPIPE, |
|
113 | 113 | winerror.ERROR_PIPE_NOT_CONNECTED: errno.EPIPE, |
|
114 | 114 | winerror.ERROR_PRIVILEGE_NOT_HELD: errno.EACCES, |
|
115 | 115 | winerror.ERROR_READ_FAULT: errno.EIO, |
|
116 | 116 | winerror.ERROR_SEEK: errno.EIO, |
|
117 | 117 | winerror.ERROR_SEEK_ON_DEVICE: errno.ESPIPE, |
|
118 | 118 | winerror.ERROR_SHARING_BUFFER_EXCEEDED: errno.ENFILE, |
|
119 | 119 | winerror.ERROR_SHARING_VIOLATION: errno.EACCES, |
|
120 | 120 | winerror.ERROR_STACK_OVERFLOW: errno.ENOMEM, |
|
121 | 121 | winerror.ERROR_SWAPERROR: errno.ENOENT, |
|
122 | 122 | winerror.ERROR_TOO_MANY_MODULES: errno.EMFILE, |
|
123 | 123 | winerror.ERROR_TOO_MANY_OPEN_FILES: errno.EMFILE, |
|
124 | 124 | winerror.ERROR_UNRECOGNIZED_MEDIA: errno.ENXIO, |
|
125 | 125 | winerror.ERROR_UNRECOGNIZED_VOLUME: errno.ENODEV, |
|
126 | 126 | winerror.ERROR_WAIT_NO_CHILDREN: errno.ECHILD, |
|
127 | 127 | winerror.ERROR_WRITE_FAULT: errno.EIO, |
|
128 | 128 | winerror.ERROR_WRITE_PROTECT: errno.EROFS, |
|
129 | 129 | } |
|
130 | 130 | |
|
131 | 131 | def __init__(self, err): |
|
132 | 132 | self.win_errno, self.win_function, self.win_strerror = err |
|
133 | 133 | if self.win_strerror.endswith('.'): |
|
134 | 134 | self.win_strerror = self.win_strerror[:-1] |
|
135 | 135 | |
|
136 | 136 | class WinIOError(WinError, IOError): |
|
137 | 137 | def __init__(self, err, filename=None): |
|
138 | 138 | WinError.__init__(self, err) |
|
139 | 139 | IOError.__init__(self, self.winerror_map.get(self.win_errno, 0), |
|
140 | 140 | self.win_strerror) |
|
141 | 141 | self.filename = filename |
|
142 | 142 | |
|
143 | 143 | class WinOSError(WinError, OSError): |
|
144 | 144 | def __init__(self, err): |
|
145 | 145 | WinError.__init__(self, err) |
|
146 | 146 | OSError.__init__(self, self.winerror_map.get(self.win_errno, 0), |
|
147 | 147 | self.win_strerror) |
|
148 | 148 | |
|
149 | 149 | def os_link(src, dst): |
|
150 | 150 | try: |
|
151 | 151 | win32file.CreateHardLink(dst, src) |
|
152 | 152 | # CreateHardLink sometimes succeeds on mapped drives but |
|
153 | 153 | # following nlinks() returns 1. Check it now and bail out. |
|
154 | 154 | if nlinks(src) < 2: |
|
155 | 155 | try: |
|
156 | 156 | win32file.DeleteFile(dst) |
|
157 | 157 | except: |
|
158 | 158 | pass |
|
159 | 159 | # Fake hardlinking error |
|
160 | 160 | raise WinOSError((18, 'CreateHardLink', 'The system cannot ' |
|
161 | 161 | 'move the file to a different disk drive')) |
|
162 | 162 | except pywintypes.error, details: |
|
163 | 163 | raise WinOSError(details) |
|
164 | 164 | |
|
165 | 165 | def nlinks(pathname): |
|
166 | 166 | """Return number of hardlinks for the given file.""" |
|
167 | 167 | try: |
|
168 | 168 | fh = win32file.CreateFile(pathname, |
|
169 | 169 | win32file.GENERIC_READ, win32file.FILE_SHARE_READ, |
|
170 | 170 | None, win32file.OPEN_EXISTING, 0, None) |
|
171 | 171 | res = win32file.GetFileInformationByHandle(fh) |
|
172 | 172 | fh.Close() |
|
173 | 173 | return res[7] |
|
174 | 174 | except pywintypes.error: |
|
175 | 175 | return os.lstat(pathname).st_nlink |
|
176 | 176 | |
|
177 | 177 | def testpid(pid): |
|
178 | 178 | '''return True if pid is still running or unable to |
|
179 | 179 | determine, False otherwise''' |
|
180 | 180 | try: |
|
181 | 181 | handle = win32api.OpenProcess( |
|
182 | 182 | win32con.PROCESS_QUERY_INFORMATION, False, pid) |
|
183 | 183 | if handle: |
|
184 | 184 | status = win32process.GetExitCodeProcess(handle) |
|
185 | 185 | return status == win32con.STILL_ACTIVE |
|
186 | 186 | except pywintypes.error, details: |
|
187 | 187 | return details[0] != winerror.ERROR_INVALID_PARAMETER |
|
188 | 188 | return True |
|
189 | 189 | |
|
190 | def lookup_reg(key, valname=None, scope=None): | |
|
191 | ''' Look up a key/value name in the Windows registry. | |
|
192 | ||
|
193 | valname: value name. If unspecified, the default value for the key | |
|
194 | is used. | |
|
195 | scope: optionally specify scope for registry lookup, this can be | |
|
196 | a sequence of scopes to look up in order. Default (CURRENT_USER, | |
|
197 | LOCAL_MACHINE). | |
|
198 | ''' | |
|
199 | try: | |
|
200 | from _winreg import HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, \ | |
|
201 | QueryValueEx, OpenKey | |
|
202 | except ImportError: | |
|
203 | return None | |
|
204 | ||
|
205 | def query_val(scope, key): | |
|
206 | try: | |
|
207 | keyhandle = OpenKey(scope, key) | |
|
208 | return QueryValueEx(keyhandle, valname)[0] | |
|
209 | except EnvironmentError: | |
|
210 | return None | |
|
211 | ||
|
212 | if scope is None: | |
|
213 | scope = (HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE) | |
|
214 | elif not isinstance(scope, (list, tuple)): | |
|
215 | scope = (scope,) | |
|
216 | for s in scope: | |
|
217 | val = query_val(s, key, valname) | |
|
218 | if val is not None: | |
|
219 | return val | |
|
220 | ||
|
190 | 221 | def system_rcpath_win32(): |
|
191 | 222 | '''return default os-specific hgrc search path''' |
|
192 | 223 | proc = win32api.GetCurrentProcess() |
|
193 | 224 | try: |
|
194 | 225 | # This will fail on windows < NT |
|
195 | 226 | filename = win32process.GetModuleFileNameEx(proc, 0) |
|
196 | 227 | except: |
|
197 | 228 | filename = win32api.GetModuleFileName(0) |
|
198 | 229 | # Use mercurial.ini found in directory with hg.exe |
|
199 | 230 | progrc = os.path.join(os.path.dirname(filename), 'mercurial.ini') |
|
200 | 231 | if os.path.isfile(progrc): |
|
201 | 232 | return [progrc] |
|
202 | 233 | # else look for a system rcpath in the registry |
|
203 | 234 | try: |
|
204 | 235 | value = win32api.RegQueryValue( |
|
205 | 236 | win32con.HKEY_LOCAL_MACHINE, 'SOFTWARE\\Mercurial') |
|
206 | 237 | rcpath = [] |
|
207 | 238 | for p in value.split(os.pathsep): |
|
208 | 239 | if p.lower().endswith('mercurial.ini'): |
|
209 | 240 | rcpath.append(p) |
|
210 | 241 | elif os.path.isdir(p): |
|
211 | 242 | for f, kind in osutil.listdir(p): |
|
212 | 243 | if f.endswith('.rc'): |
|
213 | 244 | rcpath.append(os.path.join(p, f)) |
|
214 | 245 | return rcpath |
|
215 | 246 | except pywintypes.error: |
|
216 | 247 | return [] |
|
217 | 248 | |
|
218 | 249 | def user_rcpath_win32(): |
|
219 | 250 | '''return os-specific hgrc search path to the user dir''' |
|
220 | 251 | userdir = os.path.expanduser('~') |
|
221 | 252 | if sys.getwindowsversion() != 2 and userdir == '~': |
|
222 | 253 | # We are on win < nt: fetch the APPDATA directory location and use |
|
223 | 254 | # the parent directory as the user home dir. |
|
224 | 255 | appdir = shell.SHGetPathFromIDList( |
|
225 | 256 | shell.SHGetSpecialFolderLocation(0, shellcon.CSIDL_APPDATA)) |
|
226 | 257 | userdir = os.path.dirname(appdir) |
|
227 | 258 | return os.path.join(userdir, 'mercurial.ini') |
|
228 | 259 | |
|
229 | 260 | class posixfile_nt(object): |
|
230 | 261 | '''file object with posix-like semantics. on windows, normal |
|
231 | 262 | files can not be deleted or renamed if they are open. must open |
|
232 | 263 | with win32file.FILE_SHARE_DELETE. this flag does not exist on |
|
233 | 264 | windows < nt, so do not use this class there.''' |
|
234 | 265 | |
|
235 | 266 | # tried to use win32file._open_osfhandle to pass fd to os.fdopen, |
|
236 | 267 | # but does not work at all. wrap win32 file api instead. |
|
237 | 268 | |
|
238 | 269 | def __init__(self, name, mode='rb'): |
|
239 | 270 | self.closed = False |
|
240 | 271 | self.name = name |
|
241 | 272 | self.mode = mode |
|
242 | 273 | access = 0 |
|
243 | 274 | if 'r' in mode or '+' in mode: |
|
244 | 275 | access |= win32file.GENERIC_READ |
|
245 | 276 | if 'w' in mode or 'a' in mode or '+' in mode: |
|
246 | 277 | access |= win32file.GENERIC_WRITE |
|
247 | 278 | if 'r' in mode: |
|
248 | 279 | creation = win32file.OPEN_EXISTING |
|
249 | 280 | elif 'a' in mode: |
|
250 | 281 | creation = win32file.OPEN_ALWAYS |
|
251 | 282 | else: |
|
252 | 283 | creation = win32file.CREATE_ALWAYS |
|
253 | 284 | try: |
|
254 | 285 | self.handle = win32file.CreateFile(name, |
|
255 | 286 | access, |
|
256 | 287 | win32file.FILE_SHARE_READ | |
|
257 | 288 | win32file.FILE_SHARE_WRITE | |
|
258 | 289 | win32file.FILE_SHARE_DELETE, |
|
259 | 290 | None, |
|
260 | 291 | creation, |
|
261 | 292 | win32file.FILE_ATTRIBUTE_NORMAL, |
|
262 | 293 | 0) |
|
263 | 294 | except pywintypes.error, err: |
|
264 | 295 | raise WinIOError(err, name) |
|
265 | 296 | |
|
266 | 297 | def __iter__(self): |
|
267 | 298 | for line in self.read().splitlines(True): |
|
268 | 299 | yield line |
|
269 | 300 | |
|
270 | 301 | def read(self, count=-1): |
|
271 | 302 | try: |
|
272 | 303 | cs = cStringIO.StringIO() |
|
273 | 304 | while count: |
|
274 | 305 | wincount = int(count) |
|
275 | 306 | if wincount == -1: |
|
276 | 307 | wincount = 1048576 |
|
277 | 308 | val, data = win32file.ReadFile(self.handle, wincount) |
|
278 | 309 | if not data: break |
|
279 | 310 | cs.write(data) |
|
280 | 311 | if count != -1: |
|
281 | 312 | count -= len(data) |
|
282 | 313 | return cs.getvalue() |
|
283 | 314 | except pywintypes.error, err: |
|
284 | 315 | raise WinIOError(err) |
|
285 | 316 | |
|
286 | 317 | def write(self, data): |
|
287 | 318 | try: |
|
288 | 319 | if 'a' in self.mode: |
|
289 | 320 | win32file.SetFilePointer(self.handle, 0, win32file.FILE_END) |
|
290 | 321 | nwrit = 0 |
|
291 | 322 | while nwrit < len(data): |
|
292 | 323 | val, nwrit = win32file.WriteFile(self.handle, data) |
|
293 | 324 | data = data[nwrit:] |
|
294 | 325 | except pywintypes.error, err: |
|
295 | 326 | raise WinIOError(err) |
|
296 | 327 | |
|
297 | 328 | def writelines(self, sequence): |
|
298 | 329 | for s in sequence: |
|
299 | 330 | self.write(s) |
|
300 | 331 | |
|
301 | 332 | def seek(self, pos, whence=0): |
|
302 | 333 | try: |
|
303 | 334 | win32file.SetFilePointer(self.handle, int(pos), whence) |
|
304 | 335 | except pywintypes.error, err: |
|
305 | 336 | raise WinIOError(err) |
|
306 | 337 | |
|
307 | 338 | def tell(self): |
|
308 | 339 | try: |
|
309 | 340 | return win32file.SetFilePointer(self.handle, 0, |
|
310 | 341 | win32file.FILE_CURRENT) |
|
311 | 342 | except pywintypes.error, err: |
|
312 | 343 | raise WinIOError(err) |
|
313 | 344 | |
|
314 | 345 | def close(self): |
|
315 | 346 | if not self.closed: |
|
316 | 347 | self.handle = None |
|
317 | 348 | self.closed = True |
|
318 | 349 | |
|
319 | 350 | def flush(self): |
|
320 | 351 | # we have no application-level buffering |
|
321 | 352 | pass |
|
322 | 353 | |
|
323 | 354 | def truncate(self, pos=0): |
|
324 | 355 | try: |
|
325 | 356 | win32file.SetFilePointer(self.handle, int(pos), |
|
326 | 357 | win32file.FILE_BEGIN) |
|
327 | 358 | win32file.SetEndOfFile(self.handle) |
|
328 | 359 | except pywintypes.error, err: |
|
329 | 360 | raise WinIOError(err) |
|
330 | 361 | |
|
331 | 362 | getuser_fallback = win32api.GetUserName |
|
332 | 363 | |
|
333 | 364 | def set_signal_handler_win32(): |
|
334 | 365 | """Register a termination handler for console events including |
|
335 | 366 | CTRL+C. python signal handlers do not work well with socket |
|
336 | 367 | operations. |
|
337 | 368 | """ |
|
338 | 369 | def handler(event): |
|
339 | 370 | win32process.ExitProcess(1) |
|
340 | 371 | win32api.SetConsoleCtrlHandler(handler) |
General Comments 0
You need to be logged in to leave comments.
Login now