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@@ -1,1485 +1,1483 b'' | |||||
1 | # util.py - Mercurial utility functions and platform specfic implementations |
|
1 | # util.py - Mercurial utility functions and platform specfic implementations | |
2 | # |
|
2 | # | |
3 | # Copyright 2005 K. Thananchayan <thananck@yahoo.com> |
|
3 | # Copyright 2005 K. Thananchayan <thananck@yahoo.com> | |
4 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> |
|
4 | # Copyright 2005-2007 Matt Mackall <mpm@selenic.com> | |
5 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> |
|
5 | # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com> | |
6 | # |
|
6 | # | |
7 | # This software may be used and distributed according to the terms of the |
|
7 | # This software may be used and distributed according to the terms of the | |
8 | # GNU General Public License version 2, incorporated herein by reference. |
|
8 | # GNU General Public License version 2, incorporated herein by reference. | |
9 |
|
9 | |||
10 | """Mercurial utility functions and platform specfic implementations. |
|
10 | """Mercurial utility functions and platform specfic implementations. | |
11 |
|
11 | |||
12 | This contains helper routines that are independent of the SCM core and |
|
12 | This contains helper routines that are independent of the SCM core and | |
13 | hide platform-specific details from the core. |
|
13 | hide platform-specific details from the core. | |
14 | """ |
|
14 | """ | |
15 |
|
15 | |||
16 | from i18n import _ |
|
16 | from i18n import _ | |
17 | import cStringIO, errno, re, shutil, sys, tempfile, traceback, error |
|
17 | import cStringIO, errno, re, shutil, sys, tempfile, traceback, error | |
18 | import os, stat, threading, time, calendar, glob, osutil, random |
|
18 | import os, stat, threading, time, calendar, glob, osutil, random | |
19 | import imp |
|
19 | import imp | |
20 |
|
20 | |||
21 | # Python compatibility |
|
21 | # Python compatibility | |
22 |
|
22 | |||
23 | _md5 = None |
|
|||
24 | def md5(s): |
|
23 | def md5(s): | |
25 | global _md5 |
|
|||
26 | if _md5 is None: |
|
|||
27 |
|
|
24 | try: | |
28 |
|
|
25 | import hashlib | |
29 |
|
|
26 | _md5 = hashlib.md5 | |
30 |
|
|
27 | except ImportError: | |
31 |
|
|
28 | import md5 | |
32 |
|
|
29 | _md5 = md5.md5 | |
|
30 | global md5 | |||
|
31 | md5 = _md5 | |||
33 | return _md5(s) |
|
32 | return _md5(s) | |
34 |
|
33 | |||
35 | _sha1 = None |
|
|||
36 | def sha1(s): |
|
34 | def sha1(s): | |
37 | global _sha1 |
|
|||
38 | if _sha1 is None: |
|
|||
39 |
|
|
35 | try: | |
40 |
|
|
36 | import hashlib | |
41 |
|
|
37 | _sha1 = hashlib.sha1 | |
42 |
|
|
38 | except ImportError: | |
43 |
|
|
39 | import sha | |
44 |
|
|
40 | _sha1 = sha.sha | |
|
41 | global sha1 | |||
|
42 | sha1 = _sha1 | |||
45 | return _sha1(s) |
|
43 | return _sha1(s) | |
46 |
|
44 | |||
47 | import subprocess |
|
45 | import subprocess | |
48 | closefds = os.name == 'posix' |
|
46 | closefds = os.name == 'posix' | |
49 | def popen2(cmd, mode='t', bufsize=-1): |
|
47 | def popen2(cmd, mode='t', bufsize=-1): | |
50 | p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, |
|
48 | p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, | |
51 | close_fds=closefds, |
|
49 | close_fds=closefds, | |
52 | stdin=subprocess.PIPE, stdout=subprocess.PIPE) |
|
50 | stdin=subprocess.PIPE, stdout=subprocess.PIPE) | |
53 | return p.stdin, p.stdout |
|
51 | return p.stdin, p.stdout | |
54 | def popen3(cmd, mode='t', bufsize=-1): |
|
52 | def popen3(cmd, mode='t', bufsize=-1): | |
55 | p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, |
|
53 | p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, | |
56 | close_fds=closefds, |
|
54 | close_fds=closefds, | |
57 | stdin=subprocess.PIPE, stdout=subprocess.PIPE, |
|
55 | stdin=subprocess.PIPE, stdout=subprocess.PIPE, | |
58 | stderr=subprocess.PIPE) |
|
56 | stderr=subprocess.PIPE) | |
59 | return p.stdin, p.stdout, p.stderr |
|
57 | return p.stdin, p.stdout, p.stderr | |
60 | def Popen3(cmd, capturestderr=False, bufsize=-1): |
|
58 | def Popen3(cmd, capturestderr=False, bufsize=-1): | |
61 | stderr = capturestderr and subprocess.PIPE or None |
|
59 | stderr = capturestderr and subprocess.PIPE or None | |
62 | p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, |
|
60 | p = subprocess.Popen(cmd, shell=True, bufsize=bufsize, | |
63 | close_fds=closefds, |
|
61 | close_fds=closefds, | |
64 | stdin=subprocess.PIPE, stdout=subprocess.PIPE, |
|
62 | stdin=subprocess.PIPE, stdout=subprocess.PIPE, | |
65 | stderr=stderr) |
|
63 | stderr=stderr) | |
66 | p.fromchild = p.stdout |
|
64 | p.fromchild = p.stdout | |
67 | p.tochild = p.stdin |
|
65 | p.tochild = p.stdin | |
68 | p.childerr = p.stderr |
|
66 | p.childerr = p.stderr | |
69 | return p |
|
67 | return p | |
70 |
|
68 | |||
71 | def version(): |
|
69 | def version(): | |
72 | """Return version information if available.""" |
|
70 | """Return version information if available.""" | |
73 | try: |
|
71 | try: | |
74 | import __version__ |
|
72 | import __version__ | |
75 | return __version__.version |
|
73 | return __version__.version | |
76 | except ImportError: |
|
74 | except ImportError: | |
77 | return 'unknown' |
|
75 | return 'unknown' | |
78 |
|
76 | |||
79 | # used by parsedate |
|
77 | # used by parsedate | |
80 | defaultdateformats = ( |
|
78 | defaultdateformats = ( | |
81 | '%Y-%m-%d %H:%M:%S', |
|
79 | '%Y-%m-%d %H:%M:%S', | |
82 | '%Y-%m-%d %I:%M:%S%p', |
|
80 | '%Y-%m-%d %I:%M:%S%p', | |
83 | '%Y-%m-%d %H:%M', |
|
81 | '%Y-%m-%d %H:%M', | |
84 | '%Y-%m-%d %I:%M%p', |
|
82 | '%Y-%m-%d %I:%M%p', | |
85 | '%Y-%m-%d', |
|
83 | '%Y-%m-%d', | |
86 | '%m-%d', |
|
84 | '%m-%d', | |
87 | '%m/%d', |
|
85 | '%m/%d', | |
88 | '%m/%d/%y', |
|
86 | '%m/%d/%y', | |
89 | '%m/%d/%Y', |
|
87 | '%m/%d/%Y', | |
90 | '%a %b %d %H:%M:%S %Y', |
|
88 | '%a %b %d %H:%M:%S %Y', | |
91 | '%a %b %d %I:%M:%S%p %Y', |
|
89 | '%a %b %d %I:%M:%S%p %Y', | |
92 | '%a, %d %b %Y %H:%M:%S', # GNU coreutils "/bin/date --rfc-2822" |
|
90 | '%a, %d %b %Y %H:%M:%S', # GNU coreutils "/bin/date --rfc-2822" | |
93 | '%b %d %H:%M:%S %Y', |
|
91 | '%b %d %H:%M:%S %Y', | |
94 | '%b %d %I:%M:%S%p %Y', |
|
92 | '%b %d %I:%M:%S%p %Y', | |
95 | '%b %d %H:%M:%S', |
|
93 | '%b %d %H:%M:%S', | |
96 | '%b %d %I:%M:%S%p', |
|
94 | '%b %d %I:%M:%S%p', | |
97 | '%b %d %H:%M', |
|
95 | '%b %d %H:%M', | |
98 | '%b %d %I:%M%p', |
|
96 | '%b %d %I:%M%p', | |
99 | '%b %d %Y', |
|
97 | '%b %d %Y', | |
100 | '%b %d', |
|
98 | '%b %d', | |
101 | '%H:%M:%S', |
|
99 | '%H:%M:%S', | |
102 | '%I:%M:%SP', |
|
100 | '%I:%M:%SP', | |
103 | '%H:%M', |
|
101 | '%H:%M', | |
104 | '%I:%M%p', |
|
102 | '%I:%M%p', | |
105 | ) |
|
103 | ) | |
106 |
|
104 | |||
107 | extendeddateformats = defaultdateformats + ( |
|
105 | extendeddateformats = defaultdateformats + ( | |
108 | "%Y", |
|
106 | "%Y", | |
109 | "%Y-%m", |
|
107 | "%Y-%m", | |
110 | "%b", |
|
108 | "%b", | |
111 | "%b %Y", |
|
109 | "%b %Y", | |
112 | ) |
|
110 | ) | |
113 |
|
111 | |||
114 | def cachefunc(func): |
|
112 | def cachefunc(func): | |
115 | '''cache the result of function calls''' |
|
113 | '''cache the result of function calls''' | |
116 | # XXX doesn't handle keywords args |
|
114 | # XXX doesn't handle keywords args | |
117 | cache = {} |
|
115 | cache = {} | |
118 | if func.func_code.co_argcount == 1: |
|
116 | if func.func_code.co_argcount == 1: | |
119 | # we gain a small amount of time because |
|
117 | # we gain a small amount of time because | |
120 | # we don't need to pack/unpack the list |
|
118 | # we don't need to pack/unpack the list | |
121 | def f(arg): |
|
119 | def f(arg): | |
122 | if arg not in cache: |
|
120 | if arg not in cache: | |
123 | cache[arg] = func(arg) |
|
121 | cache[arg] = func(arg) | |
124 | return cache[arg] |
|
122 | return cache[arg] | |
125 | else: |
|
123 | else: | |
126 | def f(*args): |
|
124 | def f(*args): | |
127 | if args not in cache: |
|
125 | if args not in cache: | |
128 | cache[args] = func(*args) |
|
126 | cache[args] = func(*args) | |
129 | return cache[args] |
|
127 | return cache[args] | |
130 |
|
128 | |||
131 | return f |
|
129 | return f | |
132 |
|
130 | |||
133 | class propertycache(object): |
|
131 | class propertycache(object): | |
134 | def __init__(self, func): |
|
132 | def __init__(self, func): | |
135 | self.func = func |
|
133 | self.func = func | |
136 | self.name = func.__name__ |
|
134 | self.name = func.__name__ | |
137 | def __get__(self, obj, type=None): |
|
135 | def __get__(self, obj, type=None): | |
138 | result = self.func(obj) |
|
136 | result = self.func(obj) | |
139 | setattr(obj, self.name, result) |
|
137 | setattr(obj, self.name, result) | |
140 | return result |
|
138 | return result | |
141 |
|
139 | |||
142 | def pipefilter(s, cmd): |
|
140 | def pipefilter(s, cmd): | |
143 | '''filter string S through command CMD, returning its output''' |
|
141 | '''filter string S through command CMD, returning its output''' | |
144 | (pin, pout) = popen2(cmd, 'b') |
|
142 | (pin, pout) = popen2(cmd, 'b') | |
145 | def writer(): |
|
143 | def writer(): | |
146 | try: |
|
144 | try: | |
147 | pin.write(s) |
|
145 | pin.write(s) | |
148 | pin.close() |
|
146 | pin.close() | |
149 | except IOError, inst: |
|
147 | except IOError, inst: | |
150 | if inst.errno != errno.EPIPE: |
|
148 | if inst.errno != errno.EPIPE: | |
151 | raise |
|
149 | raise | |
152 |
|
150 | |||
153 | # we should use select instead on UNIX, but this will work on most |
|
151 | # we should use select instead on UNIX, but this will work on most | |
154 | # systems, including Windows |
|
152 | # systems, including Windows | |
155 | w = threading.Thread(target=writer) |
|
153 | w = threading.Thread(target=writer) | |
156 | w.start() |
|
154 | w.start() | |
157 | f = pout.read() |
|
155 | f = pout.read() | |
158 | pout.close() |
|
156 | pout.close() | |
159 | w.join() |
|
157 | w.join() | |
160 | return f |
|
158 | return f | |
161 |
|
159 | |||
162 | def tempfilter(s, cmd): |
|
160 | def tempfilter(s, cmd): | |
163 | '''filter string S through a pair of temporary files with CMD. |
|
161 | '''filter string S through a pair of temporary files with CMD. | |
164 | CMD is used as a template to create the real command to be run, |
|
162 | CMD is used as a template to create the real command to be run, | |
165 | with the strings INFILE and OUTFILE replaced by the real names of |
|
163 | with the strings INFILE and OUTFILE replaced by the real names of | |
166 | the temporary files generated.''' |
|
164 | the temporary files generated.''' | |
167 | inname, outname = None, None |
|
165 | inname, outname = None, None | |
168 | try: |
|
166 | try: | |
169 | infd, inname = tempfile.mkstemp(prefix='hg-filter-in-') |
|
167 | infd, inname = tempfile.mkstemp(prefix='hg-filter-in-') | |
170 | fp = os.fdopen(infd, 'wb') |
|
168 | fp = os.fdopen(infd, 'wb') | |
171 | fp.write(s) |
|
169 | fp.write(s) | |
172 | fp.close() |
|
170 | fp.close() | |
173 | outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-') |
|
171 | outfd, outname = tempfile.mkstemp(prefix='hg-filter-out-') | |
174 | os.close(outfd) |
|
172 | os.close(outfd) | |
175 | cmd = cmd.replace('INFILE', inname) |
|
173 | cmd = cmd.replace('INFILE', inname) | |
176 | cmd = cmd.replace('OUTFILE', outname) |
|
174 | cmd = cmd.replace('OUTFILE', outname) | |
177 | code = os.system(cmd) |
|
175 | code = os.system(cmd) | |
178 | if sys.platform == 'OpenVMS' and code & 1: |
|
176 | if sys.platform == 'OpenVMS' and code & 1: | |
179 | code = 0 |
|
177 | code = 0 | |
180 | if code: raise Abort(_("command '%s' failed: %s") % |
|
178 | if code: raise Abort(_("command '%s' failed: %s") % | |
181 | (cmd, explain_exit(code))) |
|
179 | (cmd, explain_exit(code))) | |
182 | return open(outname, 'rb').read() |
|
180 | return open(outname, 'rb').read() | |
183 | finally: |
|
181 | finally: | |
184 | try: |
|
182 | try: | |
185 | if inname: os.unlink(inname) |
|
183 | if inname: os.unlink(inname) | |
186 | except: pass |
|
184 | except: pass | |
187 | try: |
|
185 | try: | |
188 | if outname: os.unlink(outname) |
|
186 | if outname: os.unlink(outname) | |
189 | except: pass |
|
187 | except: pass | |
190 |
|
188 | |||
191 | filtertable = { |
|
189 | filtertable = { | |
192 | 'tempfile:': tempfilter, |
|
190 | 'tempfile:': tempfilter, | |
193 | 'pipe:': pipefilter, |
|
191 | 'pipe:': pipefilter, | |
194 | } |
|
192 | } | |
195 |
|
193 | |||
196 | def filter(s, cmd): |
|
194 | def filter(s, cmd): | |
197 | "filter a string through a command that transforms its input to its output" |
|
195 | "filter a string through a command that transforms its input to its output" | |
198 | for name, fn in filtertable.iteritems(): |
|
196 | for name, fn in filtertable.iteritems(): | |
199 | if cmd.startswith(name): |
|
197 | if cmd.startswith(name): | |
200 | return fn(s, cmd[len(name):].lstrip()) |
|
198 | return fn(s, cmd[len(name):].lstrip()) | |
201 | return pipefilter(s, cmd) |
|
199 | return pipefilter(s, cmd) | |
202 |
|
200 | |||
203 | def binary(s): |
|
201 | def binary(s): | |
204 | """return true if a string is binary data""" |
|
202 | """return true if a string is binary data""" | |
205 | return bool(s and '\0' in s) |
|
203 | return bool(s and '\0' in s) | |
206 |
|
204 | |||
207 | def increasingchunks(source, min=1024, max=65536): |
|
205 | def increasingchunks(source, min=1024, max=65536): | |
208 | '''return no less than min bytes per chunk while data remains, |
|
206 | '''return no less than min bytes per chunk while data remains, | |
209 | doubling min after each chunk until it reaches max''' |
|
207 | doubling min after each chunk until it reaches max''' | |
210 | def log2(x): |
|
208 | def log2(x): | |
211 | if not x: |
|
209 | if not x: | |
212 | return 0 |
|
210 | return 0 | |
213 | i = 0 |
|
211 | i = 0 | |
214 | while x: |
|
212 | while x: | |
215 | x >>= 1 |
|
213 | x >>= 1 | |
216 | i += 1 |
|
214 | i += 1 | |
217 | return i - 1 |
|
215 | return i - 1 | |
218 |
|
216 | |||
219 | buf = [] |
|
217 | buf = [] | |
220 | blen = 0 |
|
218 | blen = 0 | |
221 | for chunk in source: |
|
219 | for chunk in source: | |
222 | buf.append(chunk) |
|
220 | buf.append(chunk) | |
223 | blen += len(chunk) |
|
221 | blen += len(chunk) | |
224 | if blen >= min: |
|
222 | if blen >= min: | |
225 | if min < max: |
|
223 | if min < max: | |
226 | min = min << 1 |
|
224 | min = min << 1 | |
227 | nmin = 1 << log2(blen) |
|
225 | nmin = 1 << log2(blen) | |
228 | if nmin > min: |
|
226 | if nmin > min: | |
229 | min = nmin |
|
227 | min = nmin | |
230 | if min > max: |
|
228 | if min > max: | |
231 | min = max |
|
229 | min = max | |
232 | yield ''.join(buf) |
|
230 | yield ''.join(buf) | |
233 | blen = 0 |
|
231 | blen = 0 | |
234 | buf = [] |
|
232 | buf = [] | |
235 | if buf: |
|
233 | if buf: | |
236 | yield ''.join(buf) |
|
234 | yield ''.join(buf) | |
237 |
|
235 | |||
238 | Abort = error.Abort |
|
236 | Abort = error.Abort | |
239 |
|
237 | |||
240 | def always(fn): return True |
|
238 | def always(fn): return True | |
241 | def never(fn): return False |
|
239 | def never(fn): return False | |
242 |
|
240 | |||
243 | def patkind(name, default): |
|
241 | def patkind(name, default): | |
244 | """Split a string into an optional pattern kind prefix and the |
|
242 | """Split a string into an optional pattern kind prefix and the | |
245 | actual pattern.""" |
|
243 | actual pattern.""" | |
246 | for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre': |
|
244 | for prefix in 're', 'glob', 'path', 'relglob', 'relpath', 'relre': | |
247 | if name.startswith(prefix + ':'): return name.split(':', 1) |
|
245 | if name.startswith(prefix + ':'): return name.split(':', 1) | |
248 | return default, name |
|
246 | return default, name | |
249 |
|
247 | |||
250 | def globre(pat, head='^', tail='$'): |
|
248 | def globre(pat, head='^', tail='$'): | |
251 | "convert a glob pattern into a regexp" |
|
249 | "convert a glob pattern into a regexp" | |
252 | i, n = 0, len(pat) |
|
250 | i, n = 0, len(pat) | |
253 | res = '' |
|
251 | res = '' | |
254 | group = 0 |
|
252 | group = 0 | |
255 | def peek(): return i < n and pat[i] |
|
253 | def peek(): return i < n and pat[i] | |
256 | while i < n: |
|
254 | while i < n: | |
257 | c = pat[i] |
|
255 | c = pat[i] | |
258 | i = i+1 |
|
256 | i = i+1 | |
259 | if c == '*': |
|
257 | if c == '*': | |
260 | if peek() == '*': |
|
258 | if peek() == '*': | |
261 | i += 1 |
|
259 | i += 1 | |
262 | res += '.*' |
|
260 | res += '.*' | |
263 | else: |
|
261 | else: | |
264 | res += '[^/]*' |
|
262 | res += '[^/]*' | |
265 | elif c == '?': |
|
263 | elif c == '?': | |
266 | res += '.' |
|
264 | res += '.' | |
267 | elif c == '[': |
|
265 | elif c == '[': | |
268 | j = i |
|
266 | j = i | |
269 | if j < n and pat[j] in '!]': |
|
267 | if j < n and pat[j] in '!]': | |
270 | j += 1 |
|
268 | j += 1 | |
271 | while j < n and pat[j] != ']': |
|
269 | while j < n and pat[j] != ']': | |
272 | j += 1 |
|
270 | j += 1 | |
273 | if j >= n: |
|
271 | if j >= n: | |
274 | res += '\\[' |
|
272 | res += '\\[' | |
275 | else: |
|
273 | else: | |
276 | stuff = pat[i:j].replace('\\','\\\\') |
|
274 | stuff = pat[i:j].replace('\\','\\\\') | |
277 | i = j + 1 |
|
275 | i = j + 1 | |
278 | if stuff[0] == '!': |
|
276 | if stuff[0] == '!': | |
279 | stuff = '^' + stuff[1:] |
|
277 | stuff = '^' + stuff[1:] | |
280 | elif stuff[0] == '^': |
|
278 | elif stuff[0] == '^': | |
281 | stuff = '\\' + stuff |
|
279 | stuff = '\\' + stuff | |
282 | res = '%s[%s]' % (res, stuff) |
|
280 | res = '%s[%s]' % (res, stuff) | |
283 | elif c == '{': |
|
281 | elif c == '{': | |
284 | group += 1 |
|
282 | group += 1 | |
285 | res += '(?:' |
|
283 | res += '(?:' | |
286 | elif c == '}' and group: |
|
284 | elif c == '}' and group: | |
287 | res += ')' |
|
285 | res += ')' | |
288 | group -= 1 |
|
286 | group -= 1 | |
289 | elif c == ',' and group: |
|
287 | elif c == ',' and group: | |
290 | res += '|' |
|
288 | res += '|' | |
291 | elif c == '\\': |
|
289 | elif c == '\\': | |
292 | p = peek() |
|
290 | p = peek() | |
293 | if p: |
|
291 | if p: | |
294 | i += 1 |
|
292 | i += 1 | |
295 | res += re.escape(p) |
|
293 | res += re.escape(p) | |
296 | else: |
|
294 | else: | |
297 | res += re.escape(c) |
|
295 | res += re.escape(c) | |
298 | else: |
|
296 | else: | |
299 | res += re.escape(c) |
|
297 | res += re.escape(c) | |
300 | return head + res + tail |
|
298 | return head + res + tail | |
301 |
|
299 | |||
302 | _globchars = {'[': 1, '{': 1, '*': 1, '?': 1} |
|
300 | _globchars = {'[': 1, '{': 1, '*': 1, '?': 1} | |
303 |
|
301 | |||
304 | def pathto(root, n1, n2): |
|
302 | def pathto(root, n1, n2): | |
305 | '''return the relative path from one place to another. |
|
303 | '''return the relative path from one place to another. | |
306 | root should use os.sep to separate directories |
|
304 | root should use os.sep to separate directories | |
307 | n1 should use os.sep to separate directories |
|
305 | n1 should use os.sep to separate directories | |
308 | n2 should use "/" to separate directories |
|
306 | n2 should use "/" to separate directories | |
309 | returns an os.sep-separated path. |
|
307 | returns an os.sep-separated path. | |
310 |
|
308 | |||
311 | If n1 is a relative path, it's assumed it's |
|
309 | If n1 is a relative path, it's assumed it's | |
312 | relative to root. |
|
310 | relative to root. | |
313 | n2 should always be relative to root. |
|
311 | n2 should always be relative to root. | |
314 | ''' |
|
312 | ''' | |
315 | if not n1: return localpath(n2) |
|
313 | if not n1: return localpath(n2) | |
316 | if os.path.isabs(n1): |
|
314 | if os.path.isabs(n1): | |
317 | if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]: |
|
315 | if os.path.splitdrive(root)[0] != os.path.splitdrive(n1)[0]: | |
318 | return os.path.join(root, localpath(n2)) |
|
316 | return os.path.join(root, localpath(n2)) | |
319 | n2 = '/'.join((pconvert(root), n2)) |
|
317 | n2 = '/'.join((pconvert(root), n2)) | |
320 | a, b = splitpath(n1), n2.split('/') |
|
318 | a, b = splitpath(n1), n2.split('/') | |
321 | a.reverse() |
|
319 | a.reverse() | |
322 | b.reverse() |
|
320 | b.reverse() | |
323 | while a and b and a[-1] == b[-1]: |
|
321 | while a and b and a[-1] == b[-1]: | |
324 | a.pop() |
|
322 | a.pop() | |
325 | b.pop() |
|
323 | b.pop() | |
326 | b.reverse() |
|
324 | b.reverse() | |
327 | return os.sep.join((['..'] * len(a)) + b) or '.' |
|
325 | return os.sep.join((['..'] * len(a)) + b) or '.' | |
328 |
|
326 | |||
329 | def canonpath(root, cwd, myname): |
|
327 | def canonpath(root, cwd, myname): | |
330 | """return the canonical path of myname, given cwd and root""" |
|
328 | """return the canonical path of myname, given cwd and root""" | |
331 | if root == os.sep: |
|
329 | if root == os.sep: | |
332 | rootsep = os.sep |
|
330 | rootsep = os.sep | |
333 | elif endswithsep(root): |
|
331 | elif endswithsep(root): | |
334 | rootsep = root |
|
332 | rootsep = root | |
335 | else: |
|
333 | else: | |
336 | rootsep = root + os.sep |
|
334 | rootsep = root + os.sep | |
337 | name = myname |
|
335 | name = myname | |
338 | if not os.path.isabs(name): |
|
336 | if not os.path.isabs(name): | |
339 | name = os.path.join(root, cwd, name) |
|
337 | name = os.path.join(root, cwd, name) | |
340 | name = os.path.normpath(name) |
|
338 | name = os.path.normpath(name) | |
341 | audit_path = path_auditor(root) |
|
339 | audit_path = path_auditor(root) | |
342 | if name != rootsep and name.startswith(rootsep): |
|
340 | if name != rootsep and name.startswith(rootsep): | |
343 | name = name[len(rootsep):] |
|
341 | name = name[len(rootsep):] | |
344 | audit_path(name) |
|
342 | audit_path(name) | |
345 | return pconvert(name) |
|
343 | return pconvert(name) | |
346 | elif name == root: |
|
344 | elif name == root: | |
347 | return '' |
|
345 | return '' | |
348 | else: |
|
346 | else: | |
349 | # Determine whether `name' is in the hierarchy at or beneath `root', |
|
347 | # Determine whether `name' is in the hierarchy at or beneath `root', | |
350 | # by iterating name=dirname(name) until that causes no change (can't |
|
348 | # by iterating name=dirname(name) until that causes no change (can't | |
351 | # check name == '/', because that doesn't work on windows). For each |
|
349 | # check name == '/', because that doesn't work on windows). For each | |
352 | # `name', compare dev/inode numbers. If they match, the list `rel' |
|
350 | # `name', compare dev/inode numbers. If they match, the list `rel' | |
353 | # holds the reversed list of components making up the relative file |
|
351 | # holds the reversed list of components making up the relative file | |
354 | # name we want. |
|
352 | # name we want. | |
355 | root_st = os.stat(root) |
|
353 | root_st = os.stat(root) | |
356 | rel = [] |
|
354 | rel = [] | |
357 | while True: |
|
355 | while True: | |
358 | try: |
|
356 | try: | |
359 | name_st = os.stat(name) |
|
357 | name_st = os.stat(name) | |
360 | except OSError: |
|
358 | except OSError: | |
361 | break |
|
359 | break | |
362 | if samestat(name_st, root_st): |
|
360 | if samestat(name_st, root_st): | |
363 | if not rel: |
|
361 | if not rel: | |
364 | # name was actually the same as root (maybe a symlink) |
|
362 | # name was actually the same as root (maybe a symlink) | |
365 | return '' |
|
363 | return '' | |
366 | rel.reverse() |
|
364 | rel.reverse() | |
367 | name = os.path.join(*rel) |
|
365 | name = os.path.join(*rel) | |
368 | audit_path(name) |
|
366 | audit_path(name) | |
369 | return pconvert(name) |
|
367 | return pconvert(name) | |
370 | dirname, basename = os.path.split(name) |
|
368 | dirname, basename = os.path.split(name) | |
371 | rel.append(basename) |
|
369 | rel.append(basename) | |
372 | if dirname == name: |
|
370 | if dirname == name: | |
373 | break |
|
371 | break | |
374 | name = dirname |
|
372 | name = dirname | |
375 |
|
373 | |||
376 | raise Abort('%s not under root' % myname) |
|
374 | raise Abort('%s not under root' % myname) | |
377 |
|
375 | |||
378 | def matcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None, dflt_pat='glob'): |
|
376 | def matcher(canonroot, cwd='', names=[], inc=[], exc=[], src=None, dflt_pat='glob'): | |
379 | """build a function to match a set of file patterns |
|
377 | """build a function to match a set of file patterns | |
380 |
|
378 | |||
381 | arguments: |
|
379 | arguments: | |
382 | canonroot - the canonical root of the tree you're matching against |
|
380 | canonroot - the canonical root of the tree you're matching against | |
383 | cwd - the current working directory, if relevant |
|
381 | cwd - the current working directory, if relevant | |
384 | names - patterns to find |
|
382 | names - patterns to find | |
385 | inc - patterns to include |
|
383 | inc - patterns to include | |
386 | exc - patterns to exclude |
|
384 | exc - patterns to exclude | |
387 | dflt_pat - if a pattern in names has no explicit type, assume this one |
|
385 | dflt_pat - if a pattern in names has no explicit type, assume this one | |
388 | src - where these patterns came from (e.g. .hgignore) |
|
386 | src - where these patterns came from (e.g. .hgignore) | |
389 |
|
387 | |||
390 | a pattern is one of: |
|
388 | a pattern is one of: | |
391 | 'glob:<glob>' - a glob relative to cwd |
|
389 | 'glob:<glob>' - a glob relative to cwd | |
392 | 're:<regexp>' - a regular expression |
|
390 | 're:<regexp>' - a regular expression | |
393 | 'path:<path>' - a path relative to canonroot |
|
391 | 'path:<path>' - a path relative to canonroot | |
394 | 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs) |
|
392 | 'relglob:<glob>' - an unrooted glob (*.c matches C files in all dirs) | |
395 | 'relpath:<path>' - a path relative to cwd |
|
393 | 'relpath:<path>' - a path relative to cwd | |
396 | 'relre:<regexp>' - a regexp that doesn't have to match the start of a name |
|
394 | 'relre:<regexp>' - a regexp that doesn't have to match the start of a name | |
397 | '<something>' - one of the cases above, selected by the dflt_pat argument |
|
395 | '<something>' - one of the cases above, selected by the dflt_pat argument | |
398 |
|
396 | |||
399 | returns: |
|
397 | returns: | |
400 | a 3-tuple containing |
|
398 | a 3-tuple containing | |
401 | - list of roots (places where one should start a recursive walk of the fs); |
|
399 | - list of roots (places where one should start a recursive walk of the fs); | |
402 | this often matches the explicit non-pattern names passed in, but also |
|
400 | this often matches the explicit non-pattern names passed in, but also | |
403 | includes the initial part of glob: patterns that has no glob characters |
|
401 | includes the initial part of glob: patterns that has no glob characters | |
404 | - a bool match(filename) function |
|
402 | - a bool match(filename) function | |
405 | - a bool indicating if any patterns were passed in |
|
403 | - a bool indicating if any patterns were passed in | |
406 | """ |
|
404 | """ | |
407 |
|
405 | |||
408 | # a common case: no patterns at all |
|
406 | # a common case: no patterns at all | |
409 | if not names and not inc and not exc: |
|
407 | if not names and not inc and not exc: | |
410 | return [], always, False |
|
408 | return [], always, False | |
411 |
|
409 | |||
412 | def contains_glob(name): |
|
410 | def contains_glob(name): | |
413 | for c in name: |
|
411 | for c in name: | |
414 | if c in _globchars: return True |
|
412 | if c in _globchars: return True | |
415 | return False |
|
413 | return False | |
416 |
|
414 | |||
417 | def regex(kind, name, tail): |
|
415 | def regex(kind, name, tail): | |
418 | '''convert a pattern into a regular expression''' |
|
416 | '''convert a pattern into a regular expression''' | |
419 | if not name: |
|
417 | if not name: | |
420 | return '' |
|
418 | return '' | |
421 | if kind == 're': |
|
419 | if kind == 're': | |
422 | return name |
|
420 | return name | |
423 | elif kind == 'path': |
|
421 | elif kind == 'path': | |
424 | return '^' + re.escape(name) + '(?:/|$)' |
|
422 | return '^' + re.escape(name) + '(?:/|$)' | |
425 | elif kind == 'relglob': |
|
423 | elif kind == 'relglob': | |
426 | return globre(name, '(?:|.*/)', tail) |
|
424 | return globre(name, '(?:|.*/)', tail) | |
427 | elif kind == 'relpath': |
|
425 | elif kind == 'relpath': | |
428 | return re.escape(name) + '(?:/|$)' |
|
426 | return re.escape(name) + '(?:/|$)' | |
429 | elif kind == 'relre': |
|
427 | elif kind == 'relre': | |
430 | if name.startswith('^'): |
|
428 | if name.startswith('^'): | |
431 | return name |
|
429 | return name | |
432 | return '.*' + name |
|
430 | return '.*' + name | |
433 | return globre(name, '', tail) |
|
431 | return globre(name, '', tail) | |
434 |
|
432 | |||
435 | def matchfn(pats, tail): |
|
433 | def matchfn(pats, tail): | |
436 | """build a matching function from a set of patterns""" |
|
434 | """build a matching function from a set of patterns""" | |
437 | if not pats: |
|
435 | if not pats: | |
438 | return |
|
436 | return | |
439 | try: |
|
437 | try: | |
440 | pat = '(?:%s)' % '|'.join([regex(k, p, tail) for (k, p) in pats]) |
|
438 | pat = '(?:%s)' % '|'.join([regex(k, p, tail) for (k, p) in pats]) | |
441 | if len(pat) > 20000: |
|
439 | if len(pat) > 20000: | |
442 | raise OverflowError() |
|
440 | raise OverflowError() | |
443 | return re.compile(pat).match |
|
441 | return re.compile(pat).match | |
444 | except OverflowError: |
|
442 | except OverflowError: | |
445 | # We're using a Python with a tiny regex engine and we |
|
443 | # We're using a Python with a tiny regex engine and we | |
446 | # made it explode, so we'll divide the pattern list in two |
|
444 | # made it explode, so we'll divide the pattern list in two | |
447 | # until it works |
|
445 | # until it works | |
448 | l = len(pats) |
|
446 | l = len(pats) | |
449 | if l < 2: |
|
447 | if l < 2: | |
450 | raise |
|
448 | raise | |
451 | a, b = matchfn(pats[:l//2], tail), matchfn(pats[l//2:], tail) |
|
449 | a, b = matchfn(pats[:l//2], tail), matchfn(pats[l//2:], tail) | |
452 | return lambda s: a(s) or b(s) |
|
450 | return lambda s: a(s) or b(s) | |
453 | except re.error: |
|
451 | except re.error: | |
454 | for k, p in pats: |
|
452 | for k, p in pats: | |
455 | try: |
|
453 | try: | |
456 | re.compile('(?:%s)' % regex(k, p, tail)) |
|
454 | re.compile('(?:%s)' % regex(k, p, tail)) | |
457 | except re.error: |
|
455 | except re.error: | |
458 | if src: |
|
456 | if src: | |
459 | raise Abort("%s: invalid pattern (%s): %s" % |
|
457 | raise Abort("%s: invalid pattern (%s): %s" % | |
460 | (src, k, p)) |
|
458 | (src, k, p)) | |
461 | else: |
|
459 | else: | |
462 | raise Abort("invalid pattern (%s): %s" % (k, p)) |
|
460 | raise Abort("invalid pattern (%s): %s" % (k, p)) | |
463 | raise Abort("invalid pattern") |
|
461 | raise Abort("invalid pattern") | |
464 |
|
462 | |||
465 | def globprefix(pat): |
|
463 | def globprefix(pat): | |
466 | '''return the non-glob prefix of a path, e.g. foo/* -> foo''' |
|
464 | '''return the non-glob prefix of a path, e.g. foo/* -> foo''' | |
467 | root = [] |
|
465 | root = [] | |
468 | for p in pat.split('/'): |
|
466 | for p in pat.split('/'): | |
469 | if contains_glob(p): break |
|
467 | if contains_glob(p): break | |
470 | root.append(p) |
|
468 | root.append(p) | |
471 | return '/'.join(root) or '.' |
|
469 | return '/'.join(root) or '.' | |
472 |
|
470 | |||
473 | def normalizepats(names, default): |
|
471 | def normalizepats(names, default): | |
474 | pats = [] |
|
472 | pats = [] | |
475 | roots = [] |
|
473 | roots = [] | |
476 | anypats = False |
|
474 | anypats = False | |
477 | for kind, name in [patkind(p, default) for p in names]: |
|
475 | for kind, name in [patkind(p, default) for p in names]: | |
478 | if kind in ('glob', 'relpath'): |
|
476 | if kind in ('glob', 'relpath'): | |
479 | name = canonpath(canonroot, cwd, name) |
|
477 | name = canonpath(canonroot, cwd, name) | |
480 | elif kind in ('relglob', 'path'): |
|
478 | elif kind in ('relglob', 'path'): | |
481 | name = normpath(name) |
|
479 | name = normpath(name) | |
482 |
|
480 | |||
483 | pats.append((kind, name)) |
|
481 | pats.append((kind, name)) | |
484 |
|
482 | |||
485 | if kind in ('glob', 're', 'relglob', 'relre'): |
|
483 | if kind in ('glob', 're', 'relglob', 'relre'): | |
486 | anypats = True |
|
484 | anypats = True | |
487 |
|
485 | |||
488 | if kind == 'glob': |
|
486 | if kind == 'glob': | |
489 | root = globprefix(name) |
|
487 | root = globprefix(name) | |
490 | roots.append(root) |
|
488 | roots.append(root) | |
491 | elif kind in ('relpath', 'path'): |
|
489 | elif kind in ('relpath', 'path'): | |
492 | roots.append(name or '.') |
|
490 | roots.append(name or '.') | |
493 | elif kind == 'relglob': |
|
491 | elif kind == 'relglob': | |
494 | roots.append('.') |
|
492 | roots.append('.') | |
495 | return roots, pats, anypats |
|
493 | return roots, pats, anypats | |
496 |
|
494 | |||
497 | roots, pats, anypats = normalizepats(names, dflt_pat) |
|
495 | roots, pats, anypats = normalizepats(names, dflt_pat) | |
498 |
|
496 | |||
499 | patmatch = matchfn(pats, '$') or always |
|
497 | patmatch = matchfn(pats, '$') or always | |
500 | incmatch = always |
|
498 | incmatch = always | |
501 | if inc: |
|
499 | if inc: | |
502 | dummy, inckinds, dummy = normalizepats(inc, 'glob') |
|
500 | dummy, inckinds, dummy = normalizepats(inc, 'glob') | |
503 | incmatch = matchfn(inckinds, '(?:/|$)') |
|
501 | incmatch = matchfn(inckinds, '(?:/|$)') | |
504 | excmatch = never |
|
502 | excmatch = never | |
505 | if exc: |
|
503 | if exc: | |
506 | dummy, exckinds, dummy = normalizepats(exc, 'glob') |
|
504 | dummy, exckinds, dummy = normalizepats(exc, 'glob') | |
507 | excmatch = matchfn(exckinds, '(?:/|$)') |
|
505 | excmatch = matchfn(exckinds, '(?:/|$)') | |
508 |
|
506 | |||
509 | if not names and inc and not exc: |
|
507 | if not names and inc and not exc: | |
510 | # common case: hgignore patterns |
|
508 | # common case: hgignore patterns | |
511 | match = incmatch |
|
509 | match = incmatch | |
512 | else: |
|
510 | else: | |
513 | match = lambda fn: incmatch(fn) and not excmatch(fn) and patmatch(fn) |
|
511 | match = lambda fn: incmatch(fn) and not excmatch(fn) and patmatch(fn) | |
514 |
|
512 | |||
515 | return (roots, match, (inc or exc or anypats) and True) |
|
513 | return (roots, match, (inc or exc or anypats) and True) | |
516 |
|
514 | |||
517 | _hgexecutable = None |
|
515 | _hgexecutable = None | |
518 |
|
516 | |||
519 | def main_is_frozen(): |
|
517 | def main_is_frozen(): | |
520 | """return True if we are a frozen executable. |
|
518 | """return True if we are a frozen executable. | |
521 |
|
519 | |||
522 | The code supports py2exe (most common, Windows only) and tools/freeze |
|
520 | The code supports py2exe (most common, Windows only) and tools/freeze | |
523 | (portable, not much used). |
|
521 | (portable, not much used). | |
524 | """ |
|
522 | """ | |
525 | return (hasattr(sys, "frozen") or # new py2exe |
|
523 | return (hasattr(sys, "frozen") or # new py2exe | |
526 | hasattr(sys, "importers") or # old py2exe |
|
524 | hasattr(sys, "importers") or # old py2exe | |
527 | imp.is_frozen("__main__")) # tools/freeze |
|
525 | imp.is_frozen("__main__")) # tools/freeze | |
528 |
|
526 | |||
529 | def hgexecutable(): |
|
527 | def hgexecutable(): | |
530 | """return location of the 'hg' executable. |
|
528 | """return location of the 'hg' executable. | |
531 |
|
529 | |||
532 | Defaults to $HG or 'hg' in the search path. |
|
530 | Defaults to $HG or 'hg' in the search path. | |
533 | """ |
|
531 | """ | |
534 | if _hgexecutable is None: |
|
532 | if _hgexecutable is None: | |
535 | hg = os.environ.get('HG') |
|
533 | hg = os.environ.get('HG') | |
536 | if hg: |
|
534 | if hg: | |
537 | set_hgexecutable(hg) |
|
535 | set_hgexecutable(hg) | |
538 | elif main_is_frozen(): |
|
536 | elif main_is_frozen(): | |
539 | set_hgexecutable(sys.executable) |
|
537 | set_hgexecutable(sys.executable) | |
540 | else: |
|
538 | else: | |
541 | set_hgexecutable(find_exe('hg') or 'hg') |
|
539 | set_hgexecutable(find_exe('hg') or 'hg') | |
542 | return _hgexecutable |
|
540 | return _hgexecutable | |
543 |
|
541 | |||
544 | def set_hgexecutable(path): |
|
542 | def set_hgexecutable(path): | |
545 | """set location of the 'hg' executable""" |
|
543 | """set location of the 'hg' executable""" | |
546 | global _hgexecutable |
|
544 | global _hgexecutable | |
547 | _hgexecutable = path |
|
545 | _hgexecutable = path | |
548 |
|
546 | |||
549 | def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None): |
|
547 | def system(cmd, environ={}, cwd=None, onerr=None, errprefix=None): | |
550 | '''enhanced shell command execution. |
|
548 | '''enhanced shell command execution. | |
551 | run with environment maybe modified, maybe in different dir. |
|
549 | run with environment maybe modified, maybe in different dir. | |
552 |
|
550 | |||
553 | if command fails and onerr is None, return status. if ui object, |
|
551 | if command fails and onerr is None, return status. if ui object, | |
554 | print error message and return status, else raise onerr object as |
|
552 | print error message and return status, else raise onerr object as | |
555 | exception.''' |
|
553 | exception.''' | |
556 | def py2shell(val): |
|
554 | def py2shell(val): | |
557 | 'convert python object into string that is useful to shell' |
|
555 | 'convert python object into string that is useful to shell' | |
558 | if val in (None, False): |
|
556 | if val in (None, False): | |
559 | return '0' |
|
557 | return '0' | |
560 | if val == True: |
|
558 | if val == True: | |
561 | return '1' |
|
559 | return '1' | |
562 | return str(val) |
|
560 | return str(val) | |
563 | oldenv = {} |
|
561 | oldenv = {} | |
564 | for k in environ: |
|
562 | for k in environ: | |
565 | oldenv[k] = os.environ.get(k) |
|
563 | oldenv[k] = os.environ.get(k) | |
566 | if cwd is not None: |
|
564 | if cwd is not None: | |
567 | oldcwd = os.getcwd() |
|
565 | oldcwd = os.getcwd() | |
568 | origcmd = cmd |
|
566 | origcmd = cmd | |
569 | if os.name == 'nt': |
|
567 | if os.name == 'nt': | |
570 | cmd = '"%s"' % cmd |
|
568 | cmd = '"%s"' % cmd | |
571 | try: |
|
569 | try: | |
572 | for k, v in environ.iteritems(): |
|
570 | for k, v in environ.iteritems(): | |
573 | os.environ[k] = py2shell(v) |
|
571 | os.environ[k] = py2shell(v) | |
574 | os.environ['HG'] = hgexecutable() |
|
572 | os.environ['HG'] = hgexecutable() | |
575 | if cwd is not None and oldcwd != cwd: |
|
573 | if cwd is not None and oldcwd != cwd: | |
576 | os.chdir(cwd) |
|
574 | os.chdir(cwd) | |
577 | rc = os.system(cmd) |
|
575 | rc = os.system(cmd) | |
578 | if sys.platform == 'OpenVMS' and rc & 1: |
|
576 | if sys.platform == 'OpenVMS' and rc & 1: | |
579 | rc = 0 |
|
577 | rc = 0 | |
580 | if rc and onerr: |
|
578 | if rc and onerr: | |
581 | errmsg = '%s %s' % (os.path.basename(origcmd.split(None, 1)[0]), |
|
579 | errmsg = '%s %s' % (os.path.basename(origcmd.split(None, 1)[0]), | |
582 | explain_exit(rc)[0]) |
|
580 | explain_exit(rc)[0]) | |
583 | if errprefix: |
|
581 | if errprefix: | |
584 | errmsg = '%s: %s' % (errprefix, errmsg) |
|
582 | errmsg = '%s: %s' % (errprefix, errmsg) | |
585 | try: |
|
583 | try: | |
586 | onerr.warn(errmsg + '\n') |
|
584 | onerr.warn(errmsg + '\n') | |
587 | except AttributeError: |
|
585 | except AttributeError: | |
588 | raise onerr(errmsg) |
|
586 | raise onerr(errmsg) | |
589 | return rc |
|
587 | return rc | |
590 | finally: |
|
588 | finally: | |
591 | for k, v in oldenv.iteritems(): |
|
589 | for k, v in oldenv.iteritems(): | |
592 | if v is None: |
|
590 | if v is None: | |
593 | del os.environ[k] |
|
591 | del os.environ[k] | |
594 | else: |
|
592 | else: | |
595 | os.environ[k] = v |
|
593 | os.environ[k] = v | |
596 | if cwd is not None and oldcwd != cwd: |
|
594 | if cwd is not None and oldcwd != cwd: | |
597 | os.chdir(oldcwd) |
|
595 | os.chdir(oldcwd) | |
598 |
|
596 | |||
599 | def checksignature(func): |
|
597 | def checksignature(func): | |
600 | '''wrap a function with code to check for calling errors''' |
|
598 | '''wrap a function with code to check for calling errors''' | |
601 | def check(*args, **kwargs): |
|
599 | def check(*args, **kwargs): | |
602 | try: |
|
600 | try: | |
603 | return func(*args, **kwargs) |
|
601 | return func(*args, **kwargs) | |
604 | except TypeError: |
|
602 | except TypeError: | |
605 | if len(traceback.extract_tb(sys.exc_info()[2])) == 1: |
|
603 | if len(traceback.extract_tb(sys.exc_info()[2])) == 1: | |
606 | raise error.SignatureError |
|
604 | raise error.SignatureError | |
607 | raise |
|
605 | raise | |
608 |
|
606 | |||
609 | return check |
|
607 | return check | |
610 |
|
608 | |||
611 | # os.path.lexists is not available on python2.3 |
|
609 | # os.path.lexists is not available on python2.3 | |
612 | def lexists(filename): |
|
610 | def lexists(filename): | |
613 | "test whether a file with this name exists. does not follow symlinks" |
|
611 | "test whether a file with this name exists. does not follow symlinks" | |
614 | try: |
|
612 | try: | |
615 | os.lstat(filename) |
|
613 | os.lstat(filename) | |
616 | except: |
|
614 | except: | |
617 | return False |
|
615 | return False | |
618 | return True |
|
616 | return True | |
619 |
|
617 | |||
620 | def rename(src, dst): |
|
618 | def rename(src, dst): | |
621 | """forcibly rename a file""" |
|
619 | """forcibly rename a file""" | |
622 | try: |
|
620 | try: | |
623 | os.rename(src, dst) |
|
621 | os.rename(src, dst) | |
624 | except OSError, err: # FIXME: check err (EEXIST ?) |
|
622 | except OSError, err: # FIXME: check err (EEXIST ?) | |
625 |
|
623 | |||
626 | # On windows, rename to existing file is not allowed, so we |
|
624 | # On windows, rename to existing file is not allowed, so we | |
627 | # must delete destination first. But if a file is open, unlink |
|
625 | # must delete destination first. But if a file is open, unlink | |
628 | # schedules it for delete but does not delete it. Rename |
|
626 | # schedules it for delete but does not delete it. Rename | |
629 | # happens immediately even for open files, so we rename |
|
627 | # happens immediately even for open files, so we rename | |
630 | # destination to a temporary name, then delete that. Then |
|
628 | # destination to a temporary name, then delete that. Then | |
631 | # rename is safe to do. |
|
629 | # rename is safe to do. | |
632 | # The temporary name is chosen at random to avoid the situation |
|
630 | # The temporary name is chosen at random to avoid the situation | |
633 | # where a file is left lying around from a previous aborted run. |
|
631 | # where a file is left lying around from a previous aborted run. | |
634 | # The usual race condition this introduces can't be avoided as |
|
632 | # The usual race condition this introduces can't be avoided as | |
635 | # we need the name to rename into, and not the file itself. Due |
|
633 | # we need the name to rename into, and not the file itself. Due | |
636 | # to the nature of the operation however, any races will at worst |
|
634 | # to the nature of the operation however, any races will at worst | |
637 | # lead to the rename failing and the current operation aborting. |
|
635 | # lead to the rename failing and the current operation aborting. | |
638 |
|
636 | |||
639 | def tempname(prefix): |
|
637 | def tempname(prefix): | |
640 | for tries in xrange(10): |
|
638 | for tries in xrange(10): | |
641 | temp = '%s-%08x' % (prefix, random.randint(0, 0xffffffff)) |
|
639 | temp = '%s-%08x' % (prefix, random.randint(0, 0xffffffff)) | |
642 | if not os.path.exists(temp): |
|
640 | if not os.path.exists(temp): | |
643 | return temp |
|
641 | return temp | |
644 | raise IOError, (errno.EEXIST, "No usable temporary filename found") |
|
642 | raise IOError, (errno.EEXIST, "No usable temporary filename found") | |
645 |
|
643 | |||
646 | temp = tempname(dst) |
|
644 | temp = tempname(dst) | |
647 | os.rename(dst, temp) |
|
645 | os.rename(dst, temp) | |
648 | os.unlink(temp) |
|
646 | os.unlink(temp) | |
649 | os.rename(src, dst) |
|
647 | os.rename(src, dst) | |
650 |
|
648 | |||
651 | def unlink(f): |
|
649 | def unlink(f): | |
652 | """unlink and remove the directory if it is empty""" |
|
650 | """unlink and remove the directory if it is empty""" | |
653 | os.unlink(f) |
|
651 | os.unlink(f) | |
654 | # try removing directories that might now be empty |
|
652 | # try removing directories that might now be empty | |
655 | try: |
|
653 | try: | |
656 | os.removedirs(os.path.dirname(f)) |
|
654 | os.removedirs(os.path.dirname(f)) | |
657 | except OSError: |
|
655 | except OSError: | |
658 | pass |
|
656 | pass | |
659 |
|
657 | |||
660 | def copyfile(src, dest): |
|
658 | def copyfile(src, dest): | |
661 | "copy a file, preserving mode and atime/mtime" |
|
659 | "copy a file, preserving mode and atime/mtime" | |
662 | if os.path.islink(src): |
|
660 | if os.path.islink(src): | |
663 | try: |
|
661 | try: | |
664 | os.unlink(dest) |
|
662 | os.unlink(dest) | |
665 | except: |
|
663 | except: | |
666 | pass |
|
664 | pass | |
667 | os.symlink(os.readlink(src), dest) |
|
665 | os.symlink(os.readlink(src), dest) | |
668 | else: |
|
666 | else: | |
669 | try: |
|
667 | try: | |
670 | shutil.copyfile(src, dest) |
|
668 | shutil.copyfile(src, dest) | |
671 | shutil.copystat(src, dest) |
|
669 | shutil.copystat(src, dest) | |
672 | except shutil.Error, inst: |
|
670 | except shutil.Error, inst: | |
673 | raise Abort(str(inst)) |
|
671 | raise Abort(str(inst)) | |
674 |
|
672 | |||
675 | def copyfiles(src, dst, hardlink=None): |
|
673 | def copyfiles(src, dst, hardlink=None): | |
676 | """Copy a directory tree using hardlinks if possible""" |
|
674 | """Copy a directory tree using hardlinks if possible""" | |
677 |
|
675 | |||
678 | if hardlink is None: |
|
676 | if hardlink is None: | |
679 | hardlink = (os.stat(src).st_dev == |
|
677 | hardlink = (os.stat(src).st_dev == | |
680 | os.stat(os.path.dirname(dst)).st_dev) |
|
678 | os.stat(os.path.dirname(dst)).st_dev) | |
681 |
|
679 | |||
682 | if os.path.isdir(src): |
|
680 | if os.path.isdir(src): | |
683 | os.mkdir(dst) |
|
681 | os.mkdir(dst) | |
684 | for name, kind in osutil.listdir(src): |
|
682 | for name, kind in osutil.listdir(src): | |
685 | srcname = os.path.join(src, name) |
|
683 | srcname = os.path.join(src, name) | |
686 | dstname = os.path.join(dst, name) |
|
684 | dstname = os.path.join(dst, name) | |
687 | copyfiles(srcname, dstname, hardlink) |
|
685 | copyfiles(srcname, dstname, hardlink) | |
688 | else: |
|
686 | else: | |
689 | if hardlink: |
|
687 | if hardlink: | |
690 | try: |
|
688 | try: | |
691 | os_link(src, dst) |
|
689 | os_link(src, dst) | |
692 | except (IOError, OSError): |
|
690 | except (IOError, OSError): | |
693 | hardlink = False |
|
691 | hardlink = False | |
694 | shutil.copy(src, dst) |
|
692 | shutil.copy(src, dst) | |
695 | else: |
|
693 | else: | |
696 | shutil.copy(src, dst) |
|
694 | shutil.copy(src, dst) | |
697 |
|
695 | |||
698 | class path_auditor(object): |
|
696 | class path_auditor(object): | |
699 | '''ensure that a filesystem path contains no banned components. |
|
697 | '''ensure that a filesystem path contains no banned components. | |
700 | the following properties of a path are checked: |
|
698 | the following properties of a path are checked: | |
701 |
|
699 | |||
702 | - under top-level .hg |
|
700 | - under top-level .hg | |
703 | - starts at the root of a windows drive |
|
701 | - starts at the root of a windows drive | |
704 | - contains ".." |
|
702 | - contains ".." | |
705 | - traverses a symlink (e.g. a/symlink_here/b) |
|
703 | - traverses a symlink (e.g. a/symlink_here/b) | |
706 | - inside a nested repository''' |
|
704 | - inside a nested repository''' | |
707 |
|
705 | |||
708 | def __init__(self, root): |
|
706 | def __init__(self, root): | |
709 | self.audited = set() |
|
707 | self.audited = set() | |
710 | self.auditeddir = set() |
|
708 | self.auditeddir = set() | |
711 | self.root = root |
|
709 | self.root = root | |
712 |
|
710 | |||
713 | def __call__(self, path): |
|
711 | def __call__(self, path): | |
714 | if path in self.audited: |
|
712 | if path in self.audited: | |
715 | return |
|
713 | return | |
716 | normpath = os.path.normcase(path) |
|
714 | normpath = os.path.normcase(path) | |
717 | parts = splitpath(normpath) |
|
715 | parts = splitpath(normpath) | |
718 | if (os.path.splitdrive(path)[0] |
|
716 | if (os.path.splitdrive(path)[0] | |
719 | or parts[0].lower() in ('.hg', '.hg.', '') |
|
717 | or parts[0].lower() in ('.hg', '.hg.', '') | |
720 | or os.pardir in parts): |
|
718 | or os.pardir in parts): | |
721 | raise Abort(_("path contains illegal component: %s") % path) |
|
719 | raise Abort(_("path contains illegal component: %s") % path) | |
722 | if '.hg' in path.lower(): |
|
720 | if '.hg' in path.lower(): | |
723 | lparts = [p.lower() for p in parts] |
|
721 | lparts = [p.lower() for p in parts] | |
724 | for p in '.hg', '.hg.': |
|
722 | for p in '.hg', '.hg.': | |
725 | if p in lparts[1:]: |
|
723 | if p in lparts[1:]: | |
726 | pos = lparts.index(p) |
|
724 | pos = lparts.index(p) | |
727 | base = os.path.join(*parts[:pos]) |
|
725 | base = os.path.join(*parts[:pos]) | |
728 | raise Abort(_('path %r is inside repo %r') % (path, base)) |
|
726 | raise Abort(_('path %r is inside repo %r') % (path, base)) | |
729 | def check(prefix): |
|
727 | def check(prefix): | |
730 | curpath = os.path.join(self.root, prefix) |
|
728 | curpath = os.path.join(self.root, prefix) | |
731 | try: |
|
729 | try: | |
732 | st = os.lstat(curpath) |
|
730 | st = os.lstat(curpath) | |
733 | except OSError, err: |
|
731 | except OSError, err: | |
734 | # EINVAL can be raised as invalid path syntax under win32. |
|
732 | # EINVAL can be raised as invalid path syntax under win32. | |
735 | # They must be ignored for patterns can be checked too. |
|
733 | # They must be ignored for patterns can be checked too. | |
736 | if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL): |
|
734 | if err.errno not in (errno.ENOENT, errno.ENOTDIR, errno.EINVAL): | |
737 | raise |
|
735 | raise | |
738 | else: |
|
736 | else: | |
739 | if stat.S_ISLNK(st.st_mode): |
|
737 | if stat.S_ISLNK(st.st_mode): | |
740 | raise Abort(_('path %r traverses symbolic link %r') % |
|
738 | raise Abort(_('path %r traverses symbolic link %r') % | |
741 | (path, prefix)) |
|
739 | (path, prefix)) | |
742 | elif (stat.S_ISDIR(st.st_mode) and |
|
740 | elif (stat.S_ISDIR(st.st_mode) and | |
743 | os.path.isdir(os.path.join(curpath, '.hg'))): |
|
741 | os.path.isdir(os.path.join(curpath, '.hg'))): | |
744 | raise Abort(_('path %r is inside repo %r') % |
|
742 | raise Abort(_('path %r is inside repo %r') % | |
745 | (path, prefix)) |
|
743 | (path, prefix)) | |
746 | parts.pop() |
|
744 | parts.pop() | |
747 | prefixes = [] |
|
745 | prefixes = [] | |
748 | for n in range(len(parts)): |
|
746 | for n in range(len(parts)): | |
749 | prefix = os.sep.join(parts) |
|
747 | prefix = os.sep.join(parts) | |
750 | if prefix in self.auditeddir: |
|
748 | if prefix in self.auditeddir: | |
751 | break |
|
749 | break | |
752 | check(prefix) |
|
750 | check(prefix) | |
753 | prefixes.append(prefix) |
|
751 | prefixes.append(prefix) | |
754 | parts.pop() |
|
752 | parts.pop() | |
755 |
|
753 | |||
756 | self.audited.add(path) |
|
754 | self.audited.add(path) | |
757 | # only add prefixes to the cache after checking everything: we don't |
|
755 | # only add prefixes to the cache after checking everything: we don't | |
758 | # want to add "foo/bar/baz" before checking if there's a "foo/.hg" |
|
756 | # want to add "foo/bar/baz" before checking if there's a "foo/.hg" | |
759 | self.auditeddir.update(prefixes) |
|
757 | self.auditeddir.update(prefixes) | |
760 |
|
758 | |||
761 | def nlinks(pathname): |
|
759 | def nlinks(pathname): | |
762 | """Return number of hardlinks for the given file.""" |
|
760 | """Return number of hardlinks for the given file.""" | |
763 | return os.lstat(pathname).st_nlink |
|
761 | return os.lstat(pathname).st_nlink | |
764 |
|
762 | |||
765 | if hasattr(os, 'link'): |
|
763 | if hasattr(os, 'link'): | |
766 | os_link = os.link |
|
764 | os_link = os.link | |
767 | else: |
|
765 | else: | |
768 | def os_link(src, dst): |
|
766 | def os_link(src, dst): | |
769 | raise OSError(0, _("Hardlinks not supported")) |
|
767 | raise OSError(0, _("Hardlinks not supported")) | |
770 |
|
768 | |||
771 | def lookup_reg(key, name=None, scope=None): |
|
769 | def lookup_reg(key, name=None, scope=None): | |
772 | return None |
|
770 | return None | |
773 |
|
771 | |||
774 | if os.name == 'nt': |
|
772 | if os.name == 'nt': | |
775 | from windows import * |
|
773 | from windows import * | |
776 | def expand_glob(pats): |
|
774 | def expand_glob(pats): | |
777 | '''On Windows, expand the implicit globs in a list of patterns''' |
|
775 | '''On Windows, expand the implicit globs in a list of patterns''' | |
778 | ret = [] |
|
776 | ret = [] | |
779 | for p in pats: |
|
777 | for p in pats: | |
780 | kind, name = patkind(p, None) |
|
778 | kind, name = patkind(p, None) | |
781 | if kind is None: |
|
779 | if kind is None: | |
782 | globbed = glob.glob(name) |
|
780 | globbed = glob.glob(name) | |
783 | if globbed: |
|
781 | if globbed: | |
784 | ret.extend(globbed) |
|
782 | ret.extend(globbed) | |
785 | continue |
|
783 | continue | |
786 | # if we couldn't expand the glob, just keep it around |
|
784 | # if we couldn't expand the glob, just keep it around | |
787 | ret.append(p) |
|
785 | ret.append(p) | |
788 | return ret |
|
786 | return ret | |
789 | else: |
|
787 | else: | |
790 | from posix import * |
|
788 | from posix import * | |
791 |
|
789 | |||
792 | def makelock(info, pathname): |
|
790 | def makelock(info, pathname): | |
793 | try: |
|
791 | try: | |
794 | return os.symlink(info, pathname) |
|
792 | return os.symlink(info, pathname) | |
795 | except OSError, why: |
|
793 | except OSError, why: | |
796 | if why.errno == errno.EEXIST: |
|
794 | if why.errno == errno.EEXIST: | |
797 | raise |
|
795 | raise | |
798 | except AttributeError: # no symlink in os |
|
796 | except AttributeError: # no symlink in os | |
799 | pass |
|
797 | pass | |
800 |
|
798 | |||
801 | ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) |
|
799 | ld = os.open(pathname, os.O_CREAT | os.O_WRONLY | os.O_EXCL) | |
802 | os.write(ld, info) |
|
800 | os.write(ld, info) | |
803 | os.close(ld) |
|
801 | os.close(ld) | |
804 |
|
802 | |||
805 | def readlock(pathname): |
|
803 | def readlock(pathname): | |
806 | try: |
|
804 | try: | |
807 | return os.readlink(pathname) |
|
805 | return os.readlink(pathname) | |
808 | except OSError, why: |
|
806 | except OSError, why: | |
809 | if why.errno not in (errno.EINVAL, errno.ENOSYS): |
|
807 | if why.errno not in (errno.EINVAL, errno.ENOSYS): | |
810 | raise |
|
808 | raise | |
811 | except AttributeError: # no symlink in os |
|
809 | except AttributeError: # no symlink in os | |
812 | pass |
|
810 | pass | |
813 | return posixfile(pathname).read() |
|
811 | return posixfile(pathname).read() | |
814 |
|
812 | |||
815 | def fstat(fp): |
|
813 | def fstat(fp): | |
816 | '''stat file object that may not have fileno method.''' |
|
814 | '''stat file object that may not have fileno method.''' | |
817 | try: |
|
815 | try: | |
818 | return os.fstat(fp.fileno()) |
|
816 | return os.fstat(fp.fileno()) | |
819 | except AttributeError: |
|
817 | except AttributeError: | |
820 | return os.stat(fp.name) |
|
818 | return os.stat(fp.name) | |
821 |
|
819 | |||
822 | # File system features |
|
820 | # File system features | |
823 |
|
821 | |||
824 | def checkcase(path): |
|
822 | def checkcase(path): | |
825 | """ |
|
823 | """ | |
826 | Check whether the given path is on a case-sensitive filesystem |
|
824 | Check whether the given path is on a case-sensitive filesystem | |
827 |
|
825 | |||
828 | Requires a path (like /foo/.hg) ending with a foldable final |
|
826 | Requires a path (like /foo/.hg) ending with a foldable final | |
829 | directory component. |
|
827 | directory component. | |
830 | """ |
|
828 | """ | |
831 | s1 = os.stat(path) |
|
829 | s1 = os.stat(path) | |
832 | d, b = os.path.split(path) |
|
830 | d, b = os.path.split(path) | |
833 | p2 = os.path.join(d, b.upper()) |
|
831 | p2 = os.path.join(d, b.upper()) | |
834 | if path == p2: |
|
832 | if path == p2: | |
835 | p2 = os.path.join(d, b.lower()) |
|
833 | p2 = os.path.join(d, b.lower()) | |
836 | try: |
|
834 | try: | |
837 | s2 = os.stat(p2) |
|
835 | s2 = os.stat(p2) | |
838 | if s2 == s1: |
|
836 | if s2 == s1: | |
839 | return False |
|
837 | return False | |
840 | return True |
|
838 | return True | |
841 | except: |
|
839 | except: | |
842 | return True |
|
840 | return True | |
843 |
|
841 | |||
844 | _fspathcache = {} |
|
842 | _fspathcache = {} | |
845 | def fspath(name, root): |
|
843 | def fspath(name, root): | |
846 | '''Get name in the case stored in the filesystem |
|
844 | '''Get name in the case stored in the filesystem | |
847 |
|
845 | |||
848 | The name is either relative to root, or it is an absolute path starting |
|
846 | The name is either relative to root, or it is an absolute path starting | |
849 | with root. Note that this function is unnecessary, and should not be |
|
847 | with root. Note that this function is unnecessary, and should not be | |
850 | called, for case-sensitive filesystems (simply because it's expensive). |
|
848 | called, for case-sensitive filesystems (simply because it's expensive). | |
851 | ''' |
|
849 | ''' | |
852 | # If name is absolute, make it relative |
|
850 | # If name is absolute, make it relative | |
853 | if name.lower().startswith(root.lower()): |
|
851 | if name.lower().startswith(root.lower()): | |
854 | l = len(root) |
|
852 | l = len(root) | |
855 | if name[l] == os.sep or name[l] == os.altsep: |
|
853 | if name[l] == os.sep or name[l] == os.altsep: | |
856 | l = l + 1 |
|
854 | l = l + 1 | |
857 | name = name[l:] |
|
855 | name = name[l:] | |
858 |
|
856 | |||
859 | if not os.path.exists(os.path.join(root, name)): |
|
857 | if not os.path.exists(os.path.join(root, name)): | |
860 | return None |
|
858 | return None | |
861 |
|
859 | |||
862 | seps = os.sep |
|
860 | seps = os.sep | |
863 | if os.altsep: |
|
861 | if os.altsep: | |
864 | seps = seps + os.altsep |
|
862 | seps = seps + os.altsep | |
865 | # Protect backslashes. This gets silly very quickly. |
|
863 | # Protect backslashes. This gets silly very quickly. | |
866 | seps.replace('\\','\\\\') |
|
864 | seps.replace('\\','\\\\') | |
867 | pattern = re.compile(r'([^%s]+)|([%s]+)' % (seps, seps)) |
|
865 | pattern = re.compile(r'([^%s]+)|([%s]+)' % (seps, seps)) | |
868 | dir = os.path.normcase(os.path.normpath(root)) |
|
866 | dir = os.path.normcase(os.path.normpath(root)) | |
869 | result = [] |
|
867 | result = [] | |
870 | for part, sep in pattern.findall(name): |
|
868 | for part, sep in pattern.findall(name): | |
871 | if sep: |
|
869 | if sep: | |
872 | result.append(sep) |
|
870 | result.append(sep) | |
873 | continue |
|
871 | continue | |
874 |
|
872 | |||
875 | if dir not in _fspathcache: |
|
873 | if dir not in _fspathcache: | |
876 | _fspathcache[dir] = os.listdir(dir) |
|
874 | _fspathcache[dir] = os.listdir(dir) | |
877 | contents = _fspathcache[dir] |
|
875 | contents = _fspathcache[dir] | |
878 |
|
876 | |||
879 | lpart = part.lower() |
|
877 | lpart = part.lower() | |
880 | for n in contents: |
|
878 | for n in contents: | |
881 | if n.lower() == lpart: |
|
879 | if n.lower() == lpart: | |
882 | result.append(n) |
|
880 | result.append(n) | |
883 | break |
|
881 | break | |
884 | else: |
|
882 | else: | |
885 | # Cannot happen, as the file exists! |
|
883 | # Cannot happen, as the file exists! | |
886 | result.append(part) |
|
884 | result.append(part) | |
887 | dir = os.path.join(dir, lpart) |
|
885 | dir = os.path.join(dir, lpart) | |
888 |
|
886 | |||
889 | return ''.join(result) |
|
887 | return ''.join(result) | |
890 |
|
888 | |||
891 | def checkexec(path): |
|
889 | def checkexec(path): | |
892 | """ |
|
890 | """ | |
893 | Check whether the given path is on a filesystem with UNIX-like exec flags |
|
891 | Check whether the given path is on a filesystem with UNIX-like exec flags | |
894 |
|
892 | |||
895 | Requires a directory (like /foo/.hg) |
|
893 | Requires a directory (like /foo/.hg) | |
896 | """ |
|
894 | """ | |
897 |
|
895 | |||
898 | # VFAT on some Linux versions can flip mode but it doesn't persist |
|
896 | # VFAT on some Linux versions can flip mode but it doesn't persist | |
899 | # a FS remount. Frequently we can detect it if files are created |
|
897 | # a FS remount. Frequently we can detect it if files are created | |
900 | # with exec bit on. |
|
898 | # with exec bit on. | |
901 |
|
899 | |||
902 | try: |
|
900 | try: | |
903 | EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH |
|
901 | EXECFLAGS = stat.S_IXUSR | stat.S_IXGRP | stat.S_IXOTH | |
904 | fh, fn = tempfile.mkstemp("", "", path) |
|
902 | fh, fn = tempfile.mkstemp("", "", path) | |
905 | try: |
|
903 | try: | |
906 | os.close(fh) |
|
904 | os.close(fh) | |
907 | m = os.stat(fn).st_mode & 0777 |
|
905 | m = os.stat(fn).st_mode & 0777 | |
908 | new_file_has_exec = m & EXECFLAGS |
|
906 | new_file_has_exec = m & EXECFLAGS | |
909 | os.chmod(fn, m ^ EXECFLAGS) |
|
907 | os.chmod(fn, m ^ EXECFLAGS) | |
910 | exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) |
|
908 | exec_flags_cannot_flip = ((os.stat(fn).st_mode & 0777) == m) | |
911 | finally: |
|
909 | finally: | |
912 | os.unlink(fn) |
|
910 | os.unlink(fn) | |
913 | except (IOError, OSError): |
|
911 | except (IOError, OSError): | |
914 | # we don't care, the user probably won't be able to commit anyway |
|
912 | # we don't care, the user probably won't be able to commit anyway | |
915 | return False |
|
913 | return False | |
916 | return not (new_file_has_exec or exec_flags_cannot_flip) |
|
914 | return not (new_file_has_exec or exec_flags_cannot_flip) | |
917 |
|
915 | |||
918 | def checklink(path): |
|
916 | def checklink(path): | |
919 | """check whether the given path is on a symlink-capable filesystem""" |
|
917 | """check whether the given path is on a symlink-capable filesystem""" | |
920 | # mktemp is not racy because symlink creation will fail if the |
|
918 | # mktemp is not racy because symlink creation will fail if the | |
921 | # file already exists |
|
919 | # file already exists | |
922 | name = tempfile.mktemp(dir=path) |
|
920 | name = tempfile.mktemp(dir=path) | |
923 | try: |
|
921 | try: | |
924 | os.symlink(".", name) |
|
922 | os.symlink(".", name) | |
925 | os.unlink(name) |
|
923 | os.unlink(name) | |
926 | return True |
|
924 | return True | |
927 | except (OSError, AttributeError): |
|
925 | except (OSError, AttributeError): | |
928 | return False |
|
926 | return False | |
929 |
|
927 | |||
930 | def needbinarypatch(): |
|
928 | def needbinarypatch(): | |
931 | """return True if patches should be applied in binary mode by default.""" |
|
929 | """return True if patches should be applied in binary mode by default.""" | |
932 | return os.name == 'nt' |
|
930 | return os.name == 'nt' | |
933 |
|
931 | |||
934 | def endswithsep(path): |
|
932 | def endswithsep(path): | |
935 | '''Check path ends with os.sep or os.altsep.''' |
|
933 | '''Check path ends with os.sep or os.altsep.''' | |
936 | return path.endswith(os.sep) or os.altsep and path.endswith(os.altsep) |
|
934 | return path.endswith(os.sep) or os.altsep and path.endswith(os.altsep) | |
937 |
|
935 | |||
938 | def splitpath(path): |
|
936 | def splitpath(path): | |
939 | '''Split path by os.sep. |
|
937 | '''Split path by os.sep. | |
940 | Note that this function does not use os.altsep because this is |
|
938 | Note that this function does not use os.altsep because this is | |
941 | an alternative of simple "xxx.split(os.sep)". |
|
939 | an alternative of simple "xxx.split(os.sep)". | |
942 | It is recommended to use os.path.normpath() before using this |
|
940 | It is recommended to use os.path.normpath() before using this | |
943 | function if need.''' |
|
941 | function if need.''' | |
944 | return path.split(os.sep) |
|
942 | return path.split(os.sep) | |
945 |
|
943 | |||
946 | def gui(): |
|
944 | def gui(): | |
947 | '''Are we running in a GUI?''' |
|
945 | '''Are we running in a GUI?''' | |
948 | return os.name == "nt" or os.name == "mac" or os.environ.get("DISPLAY") |
|
946 | return os.name == "nt" or os.name == "mac" or os.environ.get("DISPLAY") | |
949 |
|
947 | |||
950 | def mktempcopy(name, emptyok=False, createmode=None): |
|
948 | def mktempcopy(name, emptyok=False, createmode=None): | |
951 | """Create a temporary file with the same contents from name |
|
949 | """Create a temporary file with the same contents from name | |
952 |
|
950 | |||
953 | The permission bits are copied from the original file. |
|
951 | The permission bits are copied from the original file. | |
954 |
|
952 | |||
955 | If the temporary file is going to be truncated immediately, you |
|
953 | If the temporary file is going to be truncated immediately, you | |
956 | can use emptyok=True as an optimization. |
|
954 | can use emptyok=True as an optimization. | |
957 |
|
955 | |||
958 | Returns the name of the temporary file. |
|
956 | Returns the name of the temporary file. | |
959 | """ |
|
957 | """ | |
960 | d, fn = os.path.split(name) |
|
958 | d, fn = os.path.split(name) | |
961 | fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d) |
|
959 | fd, temp = tempfile.mkstemp(prefix='.%s-' % fn, dir=d) | |
962 | os.close(fd) |
|
960 | os.close(fd) | |
963 | # Temporary files are created with mode 0600, which is usually not |
|
961 | # Temporary files are created with mode 0600, which is usually not | |
964 | # what we want. If the original file already exists, just copy |
|
962 | # what we want. If the original file already exists, just copy | |
965 | # its mode. Otherwise, manually obey umask. |
|
963 | # its mode. Otherwise, manually obey umask. | |
966 | try: |
|
964 | try: | |
967 | st_mode = os.lstat(name).st_mode & 0777 |
|
965 | st_mode = os.lstat(name).st_mode & 0777 | |
968 | except OSError, inst: |
|
966 | except OSError, inst: | |
969 | if inst.errno != errno.ENOENT: |
|
967 | if inst.errno != errno.ENOENT: | |
970 | raise |
|
968 | raise | |
971 | st_mode = createmode |
|
969 | st_mode = createmode | |
972 | if st_mode is None: |
|
970 | if st_mode is None: | |
973 | st_mode = ~umask |
|
971 | st_mode = ~umask | |
974 | st_mode &= 0666 |
|
972 | st_mode &= 0666 | |
975 | os.chmod(temp, st_mode) |
|
973 | os.chmod(temp, st_mode) | |
976 | if emptyok: |
|
974 | if emptyok: | |
977 | return temp |
|
975 | return temp | |
978 | try: |
|
976 | try: | |
979 | try: |
|
977 | try: | |
980 | ifp = posixfile(name, "rb") |
|
978 | ifp = posixfile(name, "rb") | |
981 | except IOError, inst: |
|
979 | except IOError, inst: | |
982 | if inst.errno == errno.ENOENT: |
|
980 | if inst.errno == errno.ENOENT: | |
983 | return temp |
|
981 | return temp | |
984 | if not getattr(inst, 'filename', None): |
|
982 | if not getattr(inst, 'filename', None): | |
985 | inst.filename = name |
|
983 | inst.filename = name | |
986 | raise |
|
984 | raise | |
987 | ofp = posixfile(temp, "wb") |
|
985 | ofp = posixfile(temp, "wb") | |
988 | for chunk in filechunkiter(ifp): |
|
986 | for chunk in filechunkiter(ifp): | |
989 | ofp.write(chunk) |
|
987 | ofp.write(chunk) | |
990 | ifp.close() |
|
988 | ifp.close() | |
991 | ofp.close() |
|
989 | ofp.close() | |
992 | except: |
|
990 | except: | |
993 | try: os.unlink(temp) |
|
991 | try: os.unlink(temp) | |
994 | except: pass |
|
992 | except: pass | |
995 | raise |
|
993 | raise | |
996 | return temp |
|
994 | return temp | |
997 |
|
995 | |||
998 | class atomictempfile(posixfile): |
|
996 | class atomictempfile(posixfile): | |
999 | """file-like object that atomically updates a file |
|
997 | """file-like object that atomically updates a file | |
1000 |
|
998 | |||
1001 | All writes will be redirected to a temporary copy of the original |
|
999 | All writes will be redirected to a temporary copy of the original | |
1002 | file. When rename is called, the copy is renamed to the original |
|
1000 | file. When rename is called, the copy is renamed to the original | |
1003 | name, making the changes visible. |
|
1001 | name, making the changes visible. | |
1004 | """ |
|
1002 | """ | |
1005 | def __init__(self, name, mode, createmode): |
|
1003 | def __init__(self, name, mode, createmode): | |
1006 | self.__name = name |
|
1004 | self.__name = name | |
1007 | self.temp = mktempcopy(name, emptyok=('w' in mode), |
|
1005 | self.temp = mktempcopy(name, emptyok=('w' in mode), | |
1008 | createmode=createmode) |
|
1006 | createmode=createmode) | |
1009 | posixfile.__init__(self, self.temp, mode) |
|
1007 | posixfile.__init__(self, self.temp, mode) | |
1010 |
|
1008 | |||
1011 | def rename(self): |
|
1009 | def rename(self): | |
1012 | if not self.closed: |
|
1010 | if not self.closed: | |
1013 | posixfile.close(self) |
|
1011 | posixfile.close(self) | |
1014 | rename(self.temp, localpath(self.__name)) |
|
1012 | rename(self.temp, localpath(self.__name)) | |
1015 |
|
1013 | |||
1016 | def __del__(self): |
|
1014 | def __del__(self): | |
1017 | if not self.closed: |
|
1015 | if not self.closed: | |
1018 | try: |
|
1016 | try: | |
1019 | os.unlink(self.temp) |
|
1017 | os.unlink(self.temp) | |
1020 | except: pass |
|
1018 | except: pass | |
1021 | posixfile.close(self) |
|
1019 | posixfile.close(self) | |
1022 |
|
1020 | |||
1023 | def makedirs(name, mode=None): |
|
1021 | def makedirs(name, mode=None): | |
1024 | """recursive directory creation with parent mode inheritance""" |
|
1022 | """recursive directory creation with parent mode inheritance""" | |
1025 | try: |
|
1023 | try: | |
1026 | os.mkdir(name) |
|
1024 | os.mkdir(name) | |
1027 | if mode is not None: |
|
1025 | if mode is not None: | |
1028 | os.chmod(name, mode) |
|
1026 | os.chmod(name, mode) | |
1029 | return |
|
1027 | return | |
1030 | except OSError, err: |
|
1028 | except OSError, err: | |
1031 | if err.errno == errno.EEXIST: |
|
1029 | if err.errno == errno.EEXIST: | |
1032 | return |
|
1030 | return | |
1033 | if err.errno != errno.ENOENT: |
|
1031 | if err.errno != errno.ENOENT: | |
1034 | raise |
|
1032 | raise | |
1035 | parent = os.path.abspath(os.path.dirname(name)) |
|
1033 | parent = os.path.abspath(os.path.dirname(name)) | |
1036 | makedirs(parent, mode) |
|
1034 | makedirs(parent, mode) | |
1037 | makedirs(name, mode) |
|
1035 | makedirs(name, mode) | |
1038 |
|
1036 | |||
1039 | class opener(object): |
|
1037 | class opener(object): | |
1040 | """Open files relative to a base directory |
|
1038 | """Open files relative to a base directory | |
1041 |
|
1039 | |||
1042 | This class is used to hide the details of COW semantics and |
|
1040 | This class is used to hide the details of COW semantics and | |
1043 | remote file access from higher level code. |
|
1041 | remote file access from higher level code. | |
1044 | """ |
|
1042 | """ | |
1045 | def __init__(self, base, audit=True): |
|
1043 | def __init__(self, base, audit=True): | |
1046 | self.base = base |
|
1044 | self.base = base | |
1047 | if audit: |
|
1045 | if audit: | |
1048 | self.audit_path = path_auditor(base) |
|
1046 | self.audit_path = path_auditor(base) | |
1049 | else: |
|
1047 | else: | |
1050 | self.audit_path = always |
|
1048 | self.audit_path = always | |
1051 | self.createmode = None |
|
1049 | self.createmode = None | |
1052 |
|
1050 | |||
1053 | def __getattr__(self, name): |
|
1051 | def __getattr__(self, name): | |
1054 | if name == '_can_symlink': |
|
1052 | if name == '_can_symlink': | |
1055 | self._can_symlink = checklink(self.base) |
|
1053 | self._can_symlink = checklink(self.base) | |
1056 | return self._can_symlink |
|
1054 | return self._can_symlink | |
1057 | raise AttributeError(name) |
|
1055 | raise AttributeError(name) | |
1058 |
|
1056 | |||
1059 | def _fixfilemode(self, name): |
|
1057 | def _fixfilemode(self, name): | |
1060 | if self.createmode is None: |
|
1058 | if self.createmode is None: | |
1061 | return |
|
1059 | return | |
1062 | os.chmod(name, self.createmode & 0666) |
|
1060 | os.chmod(name, self.createmode & 0666) | |
1063 |
|
1061 | |||
1064 | def __call__(self, path, mode="r", text=False, atomictemp=False): |
|
1062 | def __call__(self, path, mode="r", text=False, atomictemp=False): | |
1065 | self.audit_path(path) |
|
1063 | self.audit_path(path) | |
1066 | f = os.path.join(self.base, path) |
|
1064 | f = os.path.join(self.base, path) | |
1067 |
|
1065 | |||
1068 | if not text and "b" not in mode: |
|
1066 | if not text and "b" not in mode: | |
1069 | mode += "b" # for that other OS |
|
1067 | mode += "b" # for that other OS | |
1070 |
|
1068 | |||
1071 | nlink = -1 |
|
1069 | nlink = -1 | |
1072 | if mode not in ("r", "rb"): |
|
1070 | if mode not in ("r", "rb"): | |
1073 | try: |
|
1071 | try: | |
1074 | nlink = nlinks(f) |
|
1072 | nlink = nlinks(f) | |
1075 | except OSError: |
|
1073 | except OSError: | |
1076 | nlink = 0 |
|
1074 | nlink = 0 | |
1077 | d = os.path.dirname(f) |
|
1075 | d = os.path.dirname(f) | |
1078 | if not os.path.isdir(d): |
|
1076 | if not os.path.isdir(d): | |
1079 | makedirs(d, self.createmode) |
|
1077 | makedirs(d, self.createmode) | |
1080 | if atomictemp: |
|
1078 | if atomictemp: | |
1081 | return atomictempfile(f, mode, self.createmode) |
|
1079 | return atomictempfile(f, mode, self.createmode) | |
1082 | if nlink > 1: |
|
1080 | if nlink > 1: | |
1083 | rename(mktempcopy(f), f) |
|
1081 | rename(mktempcopy(f), f) | |
1084 | fp = posixfile(f, mode) |
|
1082 | fp = posixfile(f, mode) | |
1085 | if nlink == 0: |
|
1083 | if nlink == 0: | |
1086 | self._fixfilemode(f) |
|
1084 | self._fixfilemode(f) | |
1087 | return fp |
|
1085 | return fp | |
1088 |
|
1086 | |||
1089 | def symlink(self, src, dst): |
|
1087 | def symlink(self, src, dst): | |
1090 | self.audit_path(dst) |
|
1088 | self.audit_path(dst) | |
1091 | linkname = os.path.join(self.base, dst) |
|
1089 | linkname = os.path.join(self.base, dst) | |
1092 | try: |
|
1090 | try: | |
1093 | os.unlink(linkname) |
|
1091 | os.unlink(linkname) | |
1094 | except OSError: |
|
1092 | except OSError: | |
1095 | pass |
|
1093 | pass | |
1096 |
|
1094 | |||
1097 | dirname = os.path.dirname(linkname) |
|
1095 | dirname = os.path.dirname(linkname) | |
1098 | if not os.path.exists(dirname): |
|
1096 | if not os.path.exists(dirname): | |
1099 | makedirs(dirname, self.createmode) |
|
1097 | makedirs(dirname, self.createmode) | |
1100 |
|
1098 | |||
1101 | if self._can_symlink: |
|
1099 | if self._can_symlink: | |
1102 | try: |
|
1100 | try: | |
1103 | os.symlink(src, linkname) |
|
1101 | os.symlink(src, linkname) | |
1104 | except OSError, err: |
|
1102 | except OSError, err: | |
1105 | raise OSError(err.errno, _('could not symlink to %r: %s') % |
|
1103 | raise OSError(err.errno, _('could not symlink to %r: %s') % | |
1106 | (src, err.strerror), linkname) |
|
1104 | (src, err.strerror), linkname) | |
1107 | else: |
|
1105 | else: | |
1108 | f = self(dst, "w") |
|
1106 | f = self(dst, "w") | |
1109 | f.write(src) |
|
1107 | f.write(src) | |
1110 | f.close() |
|
1108 | f.close() | |
1111 | self._fixfilemode(dst) |
|
1109 | self._fixfilemode(dst) | |
1112 |
|
1110 | |||
1113 | class chunkbuffer(object): |
|
1111 | class chunkbuffer(object): | |
1114 | """Allow arbitrary sized chunks of data to be efficiently read from an |
|
1112 | """Allow arbitrary sized chunks of data to be efficiently read from an | |
1115 | iterator over chunks of arbitrary size.""" |
|
1113 | iterator over chunks of arbitrary size.""" | |
1116 |
|
1114 | |||
1117 | def __init__(self, in_iter): |
|
1115 | def __init__(self, in_iter): | |
1118 | """in_iter is the iterator that's iterating over the input chunks. |
|
1116 | """in_iter is the iterator that's iterating over the input chunks. | |
1119 | targetsize is how big a buffer to try to maintain.""" |
|
1117 | targetsize is how big a buffer to try to maintain.""" | |
1120 | self.iter = iter(in_iter) |
|
1118 | self.iter = iter(in_iter) | |
1121 | self.buf = '' |
|
1119 | self.buf = '' | |
1122 | self.targetsize = 2**16 |
|
1120 | self.targetsize = 2**16 | |
1123 |
|
1121 | |||
1124 | def read(self, l): |
|
1122 | def read(self, l): | |
1125 | """Read L bytes of data from the iterator of chunks of data. |
|
1123 | """Read L bytes of data from the iterator of chunks of data. | |
1126 | Returns less than L bytes if the iterator runs dry.""" |
|
1124 | Returns less than L bytes if the iterator runs dry.""" | |
1127 | if l > len(self.buf) and self.iter: |
|
1125 | if l > len(self.buf) and self.iter: | |
1128 | # Clamp to a multiple of self.targetsize |
|
1126 | # Clamp to a multiple of self.targetsize | |
1129 | targetsize = max(l, self.targetsize) |
|
1127 | targetsize = max(l, self.targetsize) | |
1130 | collector = cStringIO.StringIO() |
|
1128 | collector = cStringIO.StringIO() | |
1131 | collector.write(self.buf) |
|
1129 | collector.write(self.buf) | |
1132 | collected = len(self.buf) |
|
1130 | collected = len(self.buf) | |
1133 | for chunk in self.iter: |
|
1131 | for chunk in self.iter: | |
1134 | collector.write(chunk) |
|
1132 | collector.write(chunk) | |
1135 | collected += len(chunk) |
|
1133 | collected += len(chunk) | |
1136 | if collected >= targetsize: |
|
1134 | if collected >= targetsize: | |
1137 | break |
|
1135 | break | |
1138 | if collected < targetsize: |
|
1136 | if collected < targetsize: | |
1139 | self.iter = False |
|
1137 | self.iter = False | |
1140 | self.buf = collector.getvalue() |
|
1138 | self.buf = collector.getvalue() | |
1141 | if len(self.buf) == l: |
|
1139 | if len(self.buf) == l: | |
1142 | s, self.buf = str(self.buf), '' |
|
1140 | s, self.buf = str(self.buf), '' | |
1143 | else: |
|
1141 | else: | |
1144 | s, self.buf = self.buf[:l], buffer(self.buf, l) |
|
1142 | s, self.buf = self.buf[:l], buffer(self.buf, l) | |
1145 | return s |
|
1143 | return s | |
1146 |
|
1144 | |||
1147 | def filechunkiter(f, size=65536, limit=None): |
|
1145 | def filechunkiter(f, size=65536, limit=None): | |
1148 | """Create a generator that produces the data in the file size |
|
1146 | """Create a generator that produces the data in the file size | |
1149 | (default 65536) bytes at a time, up to optional limit (default is |
|
1147 | (default 65536) bytes at a time, up to optional limit (default is | |
1150 | to read all data). Chunks may be less than size bytes if the |
|
1148 | to read all data). Chunks may be less than size bytes if the | |
1151 | chunk is the last chunk in the file, or the file is a socket or |
|
1149 | chunk is the last chunk in the file, or the file is a socket or | |
1152 | some other type of file that sometimes reads less data than is |
|
1150 | some other type of file that sometimes reads less data than is | |
1153 | requested.""" |
|
1151 | requested.""" | |
1154 | assert size >= 0 |
|
1152 | assert size >= 0 | |
1155 | assert limit is None or limit >= 0 |
|
1153 | assert limit is None or limit >= 0 | |
1156 | while True: |
|
1154 | while True: | |
1157 | if limit is None: nbytes = size |
|
1155 | if limit is None: nbytes = size | |
1158 | else: nbytes = min(limit, size) |
|
1156 | else: nbytes = min(limit, size) | |
1159 | s = nbytes and f.read(nbytes) |
|
1157 | s = nbytes and f.read(nbytes) | |
1160 | if not s: break |
|
1158 | if not s: break | |
1161 | if limit: limit -= len(s) |
|
1159 | if limit: limit -= len(s) | |
1162 | yield s |
|
1160 | yield s | |
1163 |
|
1161 | |||
1164 | def makedate(): |
|
1162 | def makedate(): | |
1165 | lt = time.localtime() |
|
1163 | lt = time.localtime() | |
1166 | if lt[8] == 1 and time.daylight: |
|
1164 | if lt[8] == 1 and time.daylight: | |
1167 | tz = time.altzone |
|
1165 | tz = time.altzone | |
1168 | else: |
|
1166 | else: | |
1169 | tz = time.timezone |
|
1167 | tz = time.timezone | |
1170 | return time.mktime(lt), tz |
|
1168 | return time.mktime(lt), tz | |
1171 |
|
1169 | |||
1172 | def datestr(date=None, format='%a %b %d %H:%M:%S %Y %1%2'): |
|
1170 | def datestr(date=None, format='%a %b %d %H:%M:%S %Y %1%2'): | |
1173 | """represent a (unixtime, offset) tuple as a localized time. |
|
1171 | """represent a (unixtime, offset) tuple as a localized time. | |
1174 | unixtime is seconds since the epoch, and offset is the time zone's |
|
1172 | unixtime is seconds since the epoch, and offset is the time zone's | |
1175 | number of seconds away from UTC. if timezone is false, do not |
|
1173 | number of seconds away from UTC. if timezone is false, do not | |
1176 | append time zone to string.""" |
|
1174 | append time zone to string.""" | |
1177 | t, tz = date or makedate() |
|
1175 | t, tz = date or makedate() | |
1178 | if "%1" in format or "%2" in format: |
|
1176 | if "%1" in format or "%2" in format: | |
1179 | sign = (tz > 0) and "-" or "+" |
|
1177 | sign = (tz > 0) and "-" or "+" | |
1180 | minutes = abs(tz) / 60 |
|
1178 | minutes = abs(tz) / 60 | |
1181 | format = format.replace("%1", "%c%02d" % (sign, minutes / 60)) |
|
1179 | format = format.replace("%1", "%c%02d" % (sign, minutes / 60)) | |
1182 | format = format.replace("%2", "%02d" % (minutes % 60)) |
|
1180 | format = format.replace("%2", "%02d" % (minutes % 60)) | |
1183 | s = time.strftime(format, time.gmtime(float(t) - tz)) |
|
1181 | s = time.strftime(format, time.gmtime(float(t) - tz)) | |
1184 | return s |
|
1182 | return s | |
1185 |
|
1183 | |||
1186 | def shortdate(date=None): |
|
1184 | def shortdate(date=None): | |
1187 | """turn (timestamp, tzoff) tuple into iso 8631 date.""" |
|
1185 | """turn (timestamp, tzoff) tuple into iso 8631 date.""" | |
1188 | return datestr(date, format='%Y-%m-%d') |
|
1186 | return datestr(date, format='%Y-%m-%d') | |
1189 |
|
1187 | |||
1190 | def strdate(string, format, defaults=[]): |
|
1188 | def strdate(string, format, defaults=[]): | |
1191 | """parse a localized time string and return a (unixtime, offset) tuple. |
|
1189 | """parse a localized time string and return a (unixtime, offset) tuple. | |
1192 | if the string cannot be parsed, ValueError is raised.""" |
|
1190 | if the string cannot be parsed, ValueError is raised.""" | |
1193 | def timezone(string): |
|
1191 | def timezone(string): | |
1194 | tz = string.split()[-1] |
|
1192 | tz = string.split()[-1] | |
1195 | if tz[0] in "+-" and len(tz) == 5 and tz[1:].isdigit(): |
|
1193 | if tz[0] in "+-" and len(tz) == 5 and tz[1:].isdigit(): | |
1196 | sign = (tz[0] == "+") and 1 or -1 |
|
1194 | sign = (tz[0] == "+") and 1 or -1 | |
1197 | hours = int(tz[1:3]) |
|
1195 | hours = int(tz[1:3]) | |
1198 | minutes = int(tz[3:5]) |
|
1196 | minutes = int(tz[3:5]) | |
1199 | return -sign * (hours * 60 + minutes) * 60 |
|
1197 | return -sign * (hours * 60 + minutes) * 60 | |
1200 | if tz == "GMT" or tz == "UTC": |
|
1198 | if tz == "GMT" or tz == "UTC": | |
1201 | return 0 |
|
1199 | return 0 | |
1202 | return None |
|
1200 | return None | |
1203 |
|
1201 | |||
1204 | # NOTE: unixtime = localunixtime + offset |
|
1202 | # NOTE: unixtime = localunixtime + offset | |
1205 | offset, date = timezone(string), string |
|
1203 | offset, date = timezone(string), string | |
1206 | if offset != None: |
|
1204 | if offset != None: | |
1207 | date = " ".join(string.split()[:-1]) |
|
1205 | date = " ".join(string.split()[:-1]) | |
1208 |
|
1206 | |||
1209 | # add missing elements from defaults |
|
1207 | # add missing elements from defaults | |
1210 | for part in defaults: |
|
1208 | for part in defaults: | |
1211 | found = [True for p in part if ("%"+p) in format] |
|
1209 | found = [True for p in part if ("%"+p) in format] | |
1212 | if not found: |
|
1210 | if not found: | |
1213 | date += "@" + defaults[part] |
|
1211 | date += "@" + defaults[part] | |
1214 | format += "@%" + part[0] |
|
1212 | format += "@%" + part[0] | |
1215 |
|
1213 | |||
1216 | timetuple = time.strptime(date, format) |
|
1214 | timetuple = time.strptime(date, format) | |
1217 | localunixtime = int(calendar.timegm(timetuple)) |
|
1215 | localunixtime = int(calendar.timegm(timetuple)) | |
1218 | if offset is None: |
|
1216 | if offset is None: | |
1219 | # local timezone |
|
1217 | # local timezone | |
1220 | unixtime = int(time.mktime(timetuple)) |
|
1218 | unixtime = int(time.mktime(timetuple)) | |
1221 | offset = unixtime - localunixtime |
|
1219 | offset = unixtime - localunixtime | |
1222 | else: |
|
1220 | else: | |
1223 | unixtime = localunixtime + offset |
|
1221 | unixtime = localunixtime + offset | |
1224 | return unixtime, offset |
|
1222 | return unixtime, offset | |
1225 |
|
1223 | |||
1226 | def parsedate(date, formats=None, defaults=None): |
|
1224 | def parsedate(date, formats=None, defaults=None): | |
1227 | """parse a localized date/time string and return a (unixtime, offset) tuple. |
|
1225 | """parse a localized date/time string and return a (unixtime, offset) tuple. | |
1228 |
|
1226 | |||
1229 | The date may be a "unixtime offset" string or in one of the specified |
|
1227 | The date may be a "unixtime offset" string or in one of the specified | |
1230 | formats. If the date already is a (unixtime, offset) tuple, it is returned. |
|
1228 | formats. If the date already is a (unixtime, offset) tuple, it is returned. | |
1231 | """ |
|
1229 | """ | |
1232 | if not date: |
|
1230 | if not date: | |
1233 | return 0, 0 |
|
1231 | return 0, 0 | |
1234 | if isinstance(date, tuple) and len(date) == 2: |
|
1232 | if isinstance(date, tuple) and len(date) == 2: | |
1235 | return date |
|
1233 | return date | |
1236 | if not formats: |
|
1234 | if not formats: | |
1237 | formats = defaultdateformats |
|
1235 | formats = defaultdateformats | |
1238 | date = date.strip() |
|
1236 | date = date.strip() | |
1239 | try: |
|
1237 | try: | |
1240 | when, offset = map(int, date.split(' ')) |
|
1238 | when, offset = map(int, date.split(' ')) | |
1241 | except ValueError: |
|
1239 | except ValueError: | |
1242 | # fill out defaults |
|
1240 | # fill out defaults | |
1243 | if not defaults: |
|
1241 | if not defaults: | |
1244 | defaults = {} |
|
1242 | defaults = {} | |
1245 | now = makedate() |
|
1243 | now = makedate() | |
1246 | for part in "d mb yY HI M S".split(): |
|
1244 | for part in "d mb yY HI M S".split(): | |
1247 | if part not in defaults: |
|
1245 | if part not in defaults: | |
1248 | if part[0] in "HMS": |
|
1246 | if part[0] in "HMS": | |
1249 | defaults[part] = "00" |
|
1247 | defaults[part] = "00" | |
1250 | else: |
|
1248 | else: | |
1251 | defaults[part] = datestr(now, "%" + part[0]) |
|
1249 | defaults[part] = datestr(now, "%" + part[0]) | |
1252 |
|
1250 | |||
1253 | for format in formats: |
|
1251 | for format in formats: | |
1254 | try: |
|
1252 | try: | |
1255 | when, offset = strdate(date, format, defaults) |
|
1253 | when, offset = strdate(date, format, defaults) | |
1256 | except (ValueError, OverflowError): |
|
1254 | except (ValueError, OverflowError): | |
1257 | pass |
|
1255 | pass | |
1258 | else: |
|
1256 | else: | |
1259 | break |
|
1257 | break | |
1260 | else: |
|
1258 | else: | |
1261 | raise Abort(_('invalid date: %r ') % date) |
|
1259 | raise Abort(_('invalid date: %r ') % date) | |
1262 | # validate explicit (probably user-specified) date and |
|
1260 | # validate explicit (probably user-specified) date and | |
1263 | # time zone offset. values must fit in signed 32 bits for |
|
1261 | # time zone offset. values must fit in signed 32 bits for | |
1264 | # current 32-bit linux runtimes. timezones go from UTC-12 |
|
1262 | # current 32-bit linux runtimes. timezones go from UTC-12 | |
1265 | # to UTC+14 |
|
1263 | # to UTC+14 | |
1266 | if abs(when) > 0x7fffffff: |
|
1264 | if abs(when) > 0x7fffffff: | |
1267 | raise Abort(_('date exceeds 32 bits: %d') % when) |
|
1265 | raise Abort(_('date exceeds 32 bits: %d') % when) | |
1268 | if offset < -50400 or offset > 43200: |
|
1266 | if offset < -50400 or offset > 43200: | |
1269 | raise Abort(_('impossible time zone offset: %d') % offset) |
|
1267 | raise Abort(_('impossible time zone offset: %d') % offset) | |
1270 | return when, offset |
|
1268 | return when, offset | |
1271 |
|
1269 | |||
1272 | def matchdate(date): |
|
1270 | def matchdate(date): | |
1273 | """Return a function that matches a given date match specifier |
|
1271 | """Return a function that matches a given date match specifier | |
1274 |
|
1272 | |||
1275 | Formats include: |
|
1273 | Formats include: | |
1276 |
|
1274 | |||
1277 | '{date}' match a given date to the accuracy provided |
|
1275 | '{date}' match a given date to the accuracy provided | |
1278 |
|
1276 | |||
1279 | '<{date}' on or before a given date |
|
1277 | '<{date}' on or before a given date | |
1280 |
|
1278 | |||
1281 | '>{date}' on or after a given date |
|
1279 | '>{date}' on or after a given date | |
1282 |
|
1280 | |||
1283 | """ |
|
1281 | """ | |
1284 |
|
1282 | |||
1285 | def lower(date): |
|
1283 | def lower(date): | |
1286 | d = dict(mb="1", d="1") |
|
1284 | d = dict(mb="1", d="1") | |
1287 | return parsedate(date, extendeddateformats, d)[0] |
|
1285 | return parsedate(date, extendeddateformats, d)[0] | |
1288 |
|
1286 | |||
1289 | def upper(date): |
|
1287 | def upper(date): | |
1290 | d = dict(mb="12", HI="23", M="59", S="59") |
|
1288 | d = dict(mb="12", HI="23", M="59", S="59") | |
1291 | for days in "31 30 29".split(): |
|
1289 | for days in "31 30 29".split(): | |
1292 | try: |
|
1290 | try: | |
1293 | d["d"] = days |
|
1291 | d["d"] = days | |
1294 | return parsedate(date, extendeddateformats, d)[0] |
|
1292 | return parsedate(date, extendeddateformats, d)[0] | |
1295 | except: |
|
1293 | except: | |
1296 | pass |
|
1294 | pass | |
1297 | d["d"] = "28" |
|
1295 | d["d"] = "28" | |
1298 | return parsedate(date, extendeddateformats, d)[0] |
|
1296 | return parsedate(date, extendeddateformats, d)[0] | |
1299 |
|
1297 | |||
1300 | date = date.strip() |
|
1298 | date = date.strip() | |
1301 | if date[0] == "<": |
|
1299 | if date[0] == "<": | |
1302 | when = upper(date[1:]) |
|
1300 | when = upper(date[1:]) | |
1303 | return lambda x: x <= when |
|
1301 | return lambda x: x <= when | |
1304 | elif date[0] == ">": |
|
1302 | elif date[0] == ">": | |
1305 | when = lower(date[1:]) |
|
1303 | when = lower(date[1:]) | |
1306 | return lambda x: x >= when |
|
1304 | return lambda x: x >= when | |
1307 | elif date[0] == "-": |
|
1305 | elif date[0] == "-": | |
1308 | try: |
|
1306 | try: | |
1309 | days = int(date[1:]) |
|
1307 | days = int(date[1:]) | |
1310 | except ValueError: |
|
1308 | except ValueError: | |
1311 | raise Abort(_("invalid day spec: %s") % date[1:]) |
|
1309 | raise Abort(_("invalid day spec: %s") % date[1:]) | |
1312 | when = makedate()[0] - days * 3600 * 24 |
|
1310 | when = makedate()[0] - days * 3600 * 24 | |
1313 | return lambda x: x >= when |
|
1311 | return lambda x: x >= when | |
1314 | elif " to " in date: |
|
1312 | elif " to " in date: | |
1315 | a, b = date.split(" to ") |
|
1313 | a, b = date.split(" to ") | |
1316 | start, stop = lower(a), upper(b) |
|
1314 | start, stop = lower(a), upper(b) | |
1317 | return lambda x: x >= start and x <= stop |
|
1315 | return lambda x: x >= start and x <= stop | |
1318 | else: |
|
1316 | else: | |
1319 | start, stop = lower(date), upper(date) |
|
1317 | start, stop = lower(date), upper(date) | |
1320 | return lambda x: x >= start and x <= stop |
|
1318 | return lambda x: x >= start and x <= stop | |
1321 |
|
1319 | |||
1322 | def shortuser(user): |
|
1320 | def shortuser(user): | |
1323 | """Return a short representation of a user name or email address.""" |
|
1321 | """Return a short representation of a user name or email address.""" | |
1324 | f = user.find('@') |
|
1322 | f = user.find('@') | |
1325 | if f >= 0: |
|
1323 | if f >= 0: | |
1326 | user = user[:f] |
|
1324 | user = user[:f] | |
1327 | f = user.find('<') |
|
1325 | f = user.find('<') | |
1328 | if f >= 0: |
|
1326 | if f >= 0: | |
1329 | user = user[f+1:] |
|
1327 | user = user[f+1:] | |
1330 | f = user.find(' ') |
|
1328 | f = user.find(' ') | |
1331 | if f >= 0: |
|
1329 | if f >= 0: | |
1332 | user = user[:f] |
|
1330 | user = user[:f] | |
1333 | f = user.find('.') |
|
1331 | f = user.find('.') | |
1334 | if f >= 0: |
|
1332 | if f >= 0: | |
1335 | user = user[:f] |
|
1333 | user = user[:f] | |
1336 | return user |
|
1334 | return user | |
1337 |
|
1335 | |||
1338 | def email(author): |
|
1336 | def email(author): | |
1339 | '''get email of author.''' |
|
1337 | '''get email of author.''' | |
1340 | r = author.find('>') |
|
1338 | r = author.find('>') | |
1341 | if r == -1: r = None |
|
1339 | if r == -1: r = None | |
1342 | return author[author.find('<')+1:r] |
|
1340 | return author[author.find('<')+1:r] | |
1343 |
|
1341 | |||
1344 | def ellipsis(text, maxlength=400): |
|
1342 | def ellipsis(text, maxlength=400): | |
1345 | """Trim string to at most maxlength (default: 400) characters.""" |
|
1343 | """Trim string to at most maxlength (default: 400) characters.""" | |
1346 | if len(text) <= maxlength: |
|
1344 | if len(text) <= maxlength: | |
1347 | return text |
|
1345 | return text | |
1348 | else: |
|
1346 | else: | |
1349 | return "%s..." % (text[:maxlength-3]) |
|
1347 | return "%s..." % (text[:maxlength-3]) | |
1350 |
|
1348 | |||
1351 | def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): |
|
1349 | def walkrepos(path, followsym=False, seen_dirs=None, recurse=False): | |
1352 | '''yield every hg repository under path, recursively.''' |
|
1350 | '''yield every hg repository under path, recursively.''' | |
1353 | def errhandler(err): |
|
1351 | def errhandler(err): | |
1354 | if err.filename == path: |
|
1352 | if err.filename == path: | |
1355 | raise err |
|
1353 | raise err | |
1356 | if followsym and hasattr(os.path, 'samestat'): |
|
1354 | if followsym and hasattr(os.path, 'samestat'): | |
1357 | def _add_dir_if_not_there(dirlst, dirname): |
|
1355 | def _add_dir_if_not_there(dirlst, dirname): | |
1358 | match = False |
|
1356 | match = False | |
1359 | samestat = os.path.samestat |
|
1357 | samestat = os.path.samestat | |
1360 | dirstat = os.stat(dirname) |
|
1358 | dirstat = os.stat(dirname) | |
1361 | for lstdirstat in dirlst: |
|
1359 | for lstdirstat in dirlst: | |
1362 | if samestat(dirstat, lstdirstat): |
|
1360 | if samestat(dirstat, lstdirstat): | |
1363 | match = True |
|
1361 | match = True | |
1364 | break |
|
1362 | break | |
1365 | if not match: |
|
1363 | if not match: | |
1366 | dirlst.append(dirstat) |
|
1364 | dirlst.append(dirstat) | |
1367 | return not match |
|
1365 | return not match | |
1368 | else: |
|
1366 | else: | |
1369 | followsym = False |
|
1367 | followsym = False | |
1370 |
|
1368 | |||
1371 | if (seen_dirs is None) and followsym: |
|
1369 | if (seen_dirs is None) and followsym: | |
1372 | seen_dirs = [] |
|
1370 | seen_dirs = [] | |
1373 | _add_dir_if_not_there(seen_dirs, path) |
|
1371 | _add_dir_if_not_there(seen_dirs, path) | |
1374 | for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): |
|
1372 | for root, dirs, files in os.walk(path, topdown=True, onerror=errhandler): | |
1375 | if '.hg' in dirs: |
|
1373 | if '.hg' in dirs: | |
1376 | yield root # found a repository |
|
1374 | yield root # found a repository | |
1377 | qroot = os.path.join(root, '.hg', 'patches') |
|
1375 | qroot = os.path.join(root, '.hg', 'patches') | |
1378 | if os.path.isdir(os.path.join(qroot, '.hg')): |
|
1376 | if os.path.isdir(os.path.join(qroot, '.hg')): | |
1379 | yield qroot # we have a patch queue repo here |
|
1377 | yield qroot # we have a patch queue repo here | |
1380 | if recurse: |
|
1378 | if recurse: | |
1381 | # avoid recursing inside the .hg directory |
|
1379 | # avoid recursing inside the .hg directory | |
1382 | dirs.remove('.hg') |
|
1380 | dirs.remove('.hg') | |
1383 | else: |
|
1381 | else: | |
1384 | dirs[:] = [] # don't descend further |
|
1382 | dirs[:] = [] # don't descend further | |
1385 | elif followsym: |
|
1383 | elif followsym: | |
1386 | newdirs = [] |
|
1384 | newdirs = [] | |
1387 | for d in dirs: |
|
1385 | for d in dirs: | |
1388 | fname = os.path.join(root, d) |
|
1386 | fname = os.path.join(root, d) | |
1389 | if _add_dir_if_not_there(seen_dirs, fname): |
|
1387 | if _add_dir_if_not_there(seen_dirs, fname): | |
1390 | if os.path.islink(fname): |
|
1388 | if os.path.islink(fname): | |
1391 | for hgname in walkrepos(fname, True, seen_dirs): |
|
1389 | for hgname in walkrepos(fname, True, seen_dirs): | |
1392 | yield hgname |
|
1390 | yield hgname | |
1393 | else: |
|
1391 | else: | |
1394 | newdirs.append(d) |
|
1392 | newdirs.append(d) | |
1395 | dirs[:] = newdirs |
|
1393 | dirs[:] = newdirs | |
1396 |
|
1394 | |||
1397 | _rcpath = None |
|
1395 | _rcpath = None | |
1398 |
|
1396 | |||
1399 | def os_rcpath(): |
|
1397 | def os_rcpath(): | |
1400 | '''return default os-specific hgrc search path''' |
|
1398 | '''return default os-specific hgrc search path''' | |
1401 | path = system_rcpath() |
|
1399 | path = system_rcpath() | |
1402 | path.extend(user_rcpath()) |
|
1400 | path.extend(user_rcpath()) | |
1403 | path = [os.path.normpath(f) for f in path] |
|
1401 | path = [os.path.normpath(f) for f in path] | |
1404 | return path |
|
1402 | return path | |
1405 |
|
1403 | |||
1406 | def rcpath(): |
|
1404 | def rcpath(): | |
1407 | '''return hgrc search path. if env var HGRCPATH is set, use it. |
|
1405 | '''return hgrc search path. if env var HGRCPATH is set, use it. | |
1408 | for each item in path, if directory, use files ending in .rc, |
|
1406 | for each item in path, if directory, use files ending in .rc, | |
1409 | else use item. |
|
1407 | else use item. | |
1410 | make HGRCPATH empty to only look in .hg/hgrc of current repo. |
|
1408 | make HGRCPATH empty to only look in .hg/hgrc of current repo. | |
1411 | if no HGRCPATH, use default os-specific path.''' |
|
1409 | if no HGRCPATH, use default os-specific path.''' | |
1412 | global _rcpath |
|
1410 | global _rcpath | |
1413 | if _rcpath is None: |
|
1411 | if _rcpath is None: | |
1414 | if 'HGRCPATH' in os.environ: |
|
1412 | if 'HGRCPATH' in os.environ: | |
1415 | _rcpath = [] |
|
1413 | _rcpath = [] | |
1416 | for p in os.environ['HGRCPATH'].split(os.pathsep): |
|
1414 | for p in os.environ['HGRCPATH'].split(os.pathsep): | |
1417 | if not p: continue |
|
1415 | if not p: continue | |
1418 | if os.path.isdir(p): |
|
1416 | if os.path.isdir(p): | |
1419 | for f, kind in osutil.listdir(p): |
|
1417 | for f, kind in osutil.listdir(p): | |
1420 | if f.endswith('.rc'): |
|
1418 | if f.endswith('.rc'): | |
1421 | _rcpath.append(os.path.join(p, f)) |
|
1419 | _rcpath.append(os.path.join(p, f)) | |
1422 | else: |
|
1420 | else: | |
1423 | _rcpath.append(p) |
|
1421 | _rcpath.append(p) | |
1424 | else: |
|
1422 | else: | |
1425 | _rcpath = os_rcpath() |
|
1423 | _rcpath = os_rcpath() | |
1426 | return _rcpath |
|
1424 | return _rcpath | |
1427 |
|
1425 | |||
1428 | def bytecount(nbytes): |
|
1426 | def bytecount(nbytes): | |
1429 | '''return byte count formatted as readable string, with units''' |
|
1427 | '''return byte count formatted as readable string, with units''' | |
1430 |
|
1428 | |||
1431 | units = ( |
|
1429 | units = ( | |
1432 | (100, 1<<30, _('%.0f GB')), |
|
1430 | (100, 1<<30, _('%.0f GB')), | |
1433 | (10, 1<<30, _('%.1f GB')), |
|
1431 | (10, 1<<30, _('%.1f GB')), | |
1434 | (1, 1<<30, _('%.2f GB')), |
|
1432 | (1, 1<<30, _('%.2f GB')), | |
1435 | (100, 1<<20, _('%.0f MB')), |
|
1433 | (100, 1<<20, _('%.0f MB')), | |
1436 | (10, 1<<20, _('%.1f MB')), |
|
1434 | (10, 1<<20, _('%.1f MB')), | |
1437 | (1, 1<<20, _('%.2f MB')), |
|
1435 | (1, 1<<20, _('%.2f MB')), | |
1438 | (100, 1<<10, _('%.0f KB')), |
|
1436 | (100, 1<<10, _('%.0f KB')), | |
1439 | (10, 1<<10, _('%.1f KB')), |
|
1437 | (10, 1<<10, _('%.1f KB')), | |
1440 | (1, 1<<10, _('%.2f KB')), |
|
1438 | (1, 1<<10, _('%.2f KB')), | |
1441 | (1, 1, _('%.0f bytes')), |
|
1439 | (1, 1, _('%.0f bytes')), | |
1442 | ) |
|
1440 | ) | |
1443 |
|
1441 | |||
1444 | for multiplier, divisor, format in units: |
|
1442 | for multiplier, divisor, format in units: | |
1445 | if nbytes >= divisor * multiplier: |
|
1443 | if nbytes >= divisor * multiplier: | |
1446 | return format % (nbytes / float(divisor)) |
|
1444 | return format % (nbytes / float(divisor)) | |
1447 | return units[-1][2] % nbytes |
|
1445 | return units[-1][2] % nbytes | |
1448 |
|
1446 | |||
1449 | def drop_scheme(scheme, path): |
|
1447 | def drop_scheme(scheme, path): | |
1450 | sc = scheme + ':' |
|
1448 | sc = scheme + ':' | |
1451 | if path.startswith(sc): |
|
1449 | if path.startswith(sc): | |
1452 | path = path[len(sc):] |
|
1450 | path = path[len(sc):] | |
1453 | if path.startswith('//'): |
|
1451 | if path.startswith('//'): | |
1454 | path = path[2:] |
|
1452 | path = path[2:] | |
1455 | return path |
|
1453 | return path | |
1456 |
|
1454 | |||
1457 | def uirepr(s): |
|
1455 | def uirepr(s): | |
1458 | # Avoid double backslash in Windows path repr() |
|
1456 | # Avoid double backslash in Windows path repr() | |
1459 | return repr(s).replace('\\\\', '\\') |
|
1457 | return repr(s).replace('\\\\', '\\') | |
1460 |
|
1458 | |||
1461 | def termwidth(): |
|
1459 | def termwidth(): | |
1462 | if 'COLUMNS' in os.environ: |
|
1460 | if 'COLUMNS' in os.environ: | |
1463 | try: |
|
1461 | try: | |
1464 | return int(os.environ['COLUMNS']) |
|
1462 | return int(os.environ['COLUMNS']) | |
1465 | except ValueError: |
|
1463 | except ValueError: | |
1466 | pass |
|
1464 | pass | |
1467 | try: |
|
1465 | try: | |
1468 | import termios, array, fcntl |
|
1466 | import termios, array, fcntl | |
1469 | for dev in (sys.stdout, sys.stdin): |
|
1467 | for dev in (sys.stdout, sys.stdin): | |
1470 | try: |
|
1468 | try: | |
1471 | fd = dev.fileno() |
|
1469 | fd = dev.fileno() | |
1472 | if not os.isatty(fd): |
|
1470 | if not os.isatty(fd): | |
1473 | continue |
|
1471 | continue | |
1474 | arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) |
|
1472 | arri = fcntl.ioctl(fd, termios.TIOCGWINSZ, '\0' * 8) | |
1475 | return array.array('h', arri)[1] |
|
1473 | return array.array('h', arri)[1] | |
1476 | except ValueError: |
|
1474 | except ValueError: | |
1477 | pass |
|
1475 | pass | |
1478 | except ImportError: |
|
1476 | except ImportError: | |
1479 | pass |
|
1477 | pass | |
1480 | return 80 |
|
1478 | return 80 | |
1481 |
|
1479 | |||
1482 | def iterlines(iterator): |
|
1480 | def iterlines(iterator): | |
1483 | for chunk in iterator: |
|
1481 | for chunk in iterator: | |
1484 | for line in chunk.splitlines(): |
|
1482 | for line in chunk.splitlines(): | |
1485 | yield line |
|
1483 | yield line |
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