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@@ -1,211 +1,211 b'' | |||||
1 | # hook.py - hook support for mercurial |
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1 | # hook.py - hook support for mercurial | |
2 | # |
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2 | # | |
3 | # Copyright 2007 Matt Mackall <mpm@selenic.com> |
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3 | # Copyright 2007 Matt Mackall <mpm@selenic.com> | |
4 | # |
|
4 | # | |
5 | # This software may be used and distributed according to the terms of the |
|
5 | # This software may be used and distributed according to the terms of the | |
6 | # GNU General Public License version 2 or any later version. |
|
6 | # GNU General Public License version 2 or any later version. | |
7 |
|
7 | |||
8 | from i18n import _ |
|
8 | from i18n import _ | |
9 | import os, sys, time |
|
9 | import os, sys, time | |
10 | import extensions, util, demandimport |
|
10 | import extensions, util, demandimport | |
11 |
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11 | |||
12 | def _pythonhook(ui, repo, name, hname, funcname, args, throw): |
|
12 | def _pythonhook(ui, repo, name, hname, funcname, args, throw): | |
13 | '''call python hook. hook is callable object, looked up as |
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13 | '''call python hook. hook is callable object, looked up as | |
14 | name in python module. if callable returns "true", hook |
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14 | name in python module. if callable returns "true", hook | |
15 | fails, else passes. if hook raises exception, treated as |
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15 | fails, else passes. if hook raises exception, treated as | |
16 | hook failure. exception propagates if throw is "true". |
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16 | hook failure. exception propagates if throw is "true". | |
17 |
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17 | |||
18 | reason for "true" meaning "hook failed" is so that |
|
18 | reason for "true" meaning "hook failed" is so that | |
19 | unmodified commands (e.g. mercurial.commands.update) can |
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19 | unmodified commands (e.g. mercurial.commands.update) can | |
20 | be run as hooks without wrappers to convert return values.''' |
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20 | be run as hooks without wrappers to convert return values.''' | |
21 |
|
21 | |||
22 | if util.safehasattr(funcname, '__call__'): |
|
22 | if callable(funcname): | |
23 | obj = funcname |
|
23 | obj = funcname | |
24 | funcname = obj.__module__ + "." + obj.__name__ |
|
24 | funcname = obj.__module__ + "." + obj.__name__ | |
25 | else: |
|
25 | else: | |
26 | d = funcname.rfind('.') |
|
26 | d = funcname.rfind('.') | |
27 | if d == -1: |
|
27 | if d == -1: | |
28 | raise util.Abort(_('%s hook is invalid ("%s" not in ' |
|
28 | raise util.Abort(_('%s hook is invalid ("%s" not in ' | |
29 | 'a module)') % (hname, funcname)) |
|
29 | 'a module)') % (hname, funcname)) | |
30 | modname = funcname[:d] |
|
30 | modname = funcname[:d] | |
31 | oldpaths = sys.path |
|
31 | oldpaths = sys.path | |
32 | if util.mainfrozen(): |
|
32 | if util.mainfrozen(): | |
33 | # binary installs require sys.path manipulation |
|
33 | # binary installs require sys.path manipulation | |
34 | modpath, modfile = os.path.split(modname) |
|
34 | modpath, modfile = os.path.split(modname) | |
35 | if modpath and modfile: |
|
35 | if modpath and modfile: | |
36 | sys.path = sys.path[:] + [modpath] |
|
36 | sys.path = sys.path[:] + [modpath] | |
37 | modname = modfile |
|
37 | modname = modfile | |
38 | demandimportenabled = demandimport.isenabled() |
|
38 | demandimportenabled = demandimport.isenabled() | |
39 | if demandimportenabled: |
|
39 | if demandimportenabled: | |
40 | demandimport.disable() |
|
40 | demandimport.disable() | |
41 | try: |
|
41 | try: | |
42 | try: |
|
42 | try: | |
43 | obj = __import__(modname) |
|
43 | obj = __import__(modname) | |
44 | except ImportError: |
|
44 | except ImportError: | |
45 | e1 = sys.exc_type, sys.exc_value, sys.exc_traceback |
|
45 | e1 = sys.exc_type, sys.exc_value, sys.exc_traceback | |
46 | try: |
|
46 | try: | |
47 | # extensions are loaded with hgext_ prefix |
|
47 | # extensions are loaded with hgext_ prefix | |
48 | obj = __import__("hgext_%s" % modname) |
|
48 | obj = __import__("hgext_%s" % modname) | |
49 | except ImportError: |
|
49 | except ImportError: | |
50 | e2 = sys.exc_type, sys.exc_value, sys.exc_traceback |
|
50 | e2 = sys.exc_type, sys.exc_value, sys.exc_traceback | |
51 | if ui.tracebackflag: |
|
51 | if ui.tracebackflag: | |
52 | ui.warn(_('exception from first failed import ' |
|
52 | ui.warn(_('exception from first failed import ' | |
53 | 'attempt:\n')) |
|
53 | 'attempt:\n')) | |
54 | ui.traceback(e1) |
|
54 | ui.traceback(e1) | |
55 | if ui.tracebackflag: |
|
55 | if ui.tracebackflag: | |
56 | ui.warn(_('exception from second failed import ' |
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56 | ui.warn(_('exception from second failed import ' | |
57 | 'attempt:\n')) |
|
57 | 'attempt:\n')) | |
58 | ui.traceback(e2) |
|
58 | ui.traceback(e2) | |
59 | raise util.Abort(_('%s hook is invalid ' |
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59 | raise util.Abort(_('%s hook is invalid ' | |
60 | '(import of "%s" failed)') % |
|
60 | '(import of "%s" failed)') % | |
61 | (hname, modname)) |
|
61 | (hname, modname)) | |
62 | finally: |
|
62 | finally: | |
63 | if demandimportenabled: |
|
63 | if demandimportenabled: | |
64 | demandimport.enable() |
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64 | demandimport.enable() | |
65 | sys.path = oldpaths |
|
65 | sys.path = oldpaths | |
66 | try: |
|
66 | try: | |
67 | for p in funcname.split('.')[1:]: |
|
67 | for p in funcname.split('.')[1:]: | |
68 | obj = getattr(obj, p) |
|
68 | obj = getattr(obj, p) | |
69 | except AttributeError: |
|
69 | except AttributeError: | |
70 | raise util.Abort(_('%s hook is invalid ' |
|
70 | raise util.Abort(_('%s hook is invalid ' | |
71 | '("%s" is not defined)') % |
|
71 | '("%s" is not defined)') % | |
72 | (hname, funcname)) |
|
72 | (hname, funcname)) | |
73 |
if not |
|
73 | if not callable(obj): | |
74 | raise util.Abort(_('%s hook is invalid ' |
|
74 | raise util.Abort(_('%s hook is invalid ' | |
75 | '("%s" is not callable)') % |
|
75 | '("%s" is not callable)') % | |
76 | (hname, funcname)) |
|
76 | (hname, funcname)) | |
77 |
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77 | |||
78 | ui.note(_("calling hook %s: %s\n") % (hname, funcname)) |
|
78 | ui.note(_("calling hook %s: %s\n") % (hname, funcname)) | |
79 | starttime = time.time() |
|
79 | starttime = time.time() | |
80 |
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80 | |||
81 | try: |
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81 | try: | |
82 | try: |
|
82 | try: | |
83 | # redirect IO descriptors to the ui descriptors so hooks |
|
83 | # redirect IO descriptors to the ui descriptors so hooks | |
84 | # that write directly to these don't mess up the command |
|
84 | # that write directly to these don't mess up the command | |
85 | # protocol when running through the command server |
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85 | # protocol when running through the command server | |
86 | old = sys.stdout, sys.stderr, sys.stdin |
|
86 | old = sys.stdout, sys.stderr, sys.stdin | |
87 | sys.stdout, sys.stderr, sys.stdin = ui.fout, ui.ferr, ui.fin |
|
87 | sys.stdout, sys.stderr, sys.stdin = ui.fout, ui.ferr, ui.fin | |
88 |
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88 | |||
89 | r = obj(ui=ui, repo=repo, hooktype=name, **args) |
|
89 | r = obj(ui=ui, repo=repo, hooktype=name, **args) | |
90 | except KeyboardInterrupt: |
|
90 | except KeyboardInterrupt: | |
91 | raise |
|
91 | raise | |
92 | except Exception, exc: |
|
92 | except Exception, exc: | |
93 | if isinstance(exc, util.Abort): |
|
93 | if isinstance(exc, util.Abort): | |
94 | ui.warn(_('error: %s hook failed: %s\n') % |
|
94 | ui.warn(_('error: %s hook failed: %s\n') % | |
95 | (hname, exc.args[0])) |
|
95 | (hname, exc.args[0])) | |
96 | else: |
|
96 | else: | |
97 | ui.warn(_('error: %s hook raised an exception: ' |
|
97 | ui.warn(_('error: %s hook raised an exception: ' | |
98 | '%s\n') % (hname, exc)) |
|
98 | '%s\n') % (hname, exc)) | |
99 | if throw: |
|
99 | if throw: | |
100 | raise |
|
100 | raise | |
101 | ui.traceback() |
|
101 | ui.traceback() | |
102 | return True |
|
102 | return True | |
103 | finally: |
|
103 | finally: | |
104 | sys.stdout, sys.stderr, sys.stdin = old |
|
104 | sys.stdout, sys.stderr, sys.stdin = old | |
105 | duration = time.time() - starttime |
|
105 | duration = time.time() - starttime | |
106 | ui.log('pythonhook', 'pythonhook-%s: %s finished in %0.2f seconds\n', |
|
106 | ui.log('pythonhook', 'pythonhook-%s: %s finished in %0.2f seconds\n', | |
107 | name, funcname, duration) |
|
107 | name, funcname, duration) | |
108 | if r: |
|
108 | if r: | |
109 | if throw: |
|
109 | if throw: | |
110 | raise util.Abort(_('%s hook failed') % hname) |
|
110 | raise util.Abort(_('%s hook failed') % hname) | |
111 | ui.warn(_('warning: %s hook failed\n') % hname) |
|
111 | ui.warn(_('warning: %s hook failed\n') % hname) | |
112 | return r |
|
112 | return r | |
113 |
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113 | |||
114 | def _exthook(ui, repo, name, cmd, args, throw): |
|
114 | def _exthook(ui, repo, name, cmd, args, throw): | |
115 | ui.note(_("running hook %s: %s\n") % (name, cmd)) |
|
115 | ui.note(_("running hook %s: %s\n") % (name, cmd)) | |
116 |
|
116 | |||
117 | starttime = time.time() |
|
117 | starttime = time.time() | |
118 | env = {} |
|
118 | env = {} | |
119 | for k, v in args.iteritems(): |
|
119 | for k, v in args.iteritems(): | |
120 | if util.safehasattr(v, '__call__'): |
|
120 | if callable(v): | |
121 | v = v() |
|
121 | v = v() | |
122 | if isinstance(v, dict): |
|
122 | if isinstance(v, dict): | |
123 | # make the dictionary element order stable across Python |
|
123 | # make the dictionary element order stable across Python | |
124 | # implementations |
|
124 | # implementations | |
125 | v = ('{' + |
|
125 | v = ('{' + | |
126 | ', '.join('%r: %r' % i for i in sorted(v.iteritems())) + |
|
126 | ', '.join('%r: %r' % i for i in sorted(v.iteritems())) + | |
127 | '}') |
|
127 | '}') | |
128 | env['HG_' + k.upper()] = v |
|
128 | env['HG_' + k.upper()] = v | |
129 |
|
129 | |||
130 | if repo: |
|
130 | if repo: | |
131 | cwd = repo.root |
|
131 | cwd = repo.root | |
132 | else: |
|
132 | else: | |
133 | cwd = os.getcwd() |
|
133 | cwd = os.getcwd() | |
134 | if 'HG_URL' in env and env['HG_URL'].startswith('remote:http'): |
|
134 | if 'HG_URL' in env and env['HG_URL'].startswith('remote:http'): | |
135 | r = util.system(cmd, environ=env, cwd=cwd, out=ui) |
|
135 | r = util.system(cmd, environ=env, cwd=cwd, out=ui) | |
136 | else: |
|
136 | else: | |
137 | r = util.system(cmd, environ=env, cwd=cwd, out=ui.fout) |
|
137 | r = util.system(cmd, environ=env, cwd=cwd, out=ui.fout) | |
138 |
|
138 | |||
139 | duration = time.time() - starttime |
|
139 | duration = time.time() - starttime | |
140 | ui.log('exthook', 'exthook-%s: %s finished in %0.2f seconds\n', |
|
140 | ui.log('exthook', 'exthook-%s: %s finished in %0.2f seconds\n', | |
141 | name, cmd, duration) |
|
141 | name, cmd, duration) | |
142 | if r: |
|
142 | if r: | |
143 | desc, r = util.explainexit(r) |
|
143 | desc, r = util.explainexit(r) | |
144 | if throw: |
|
144 | if throw: | |
145 | raise util.Abort(_('%s hook %s') % (name, desc)) |
|
145 | raise util.Abort(_('%s hook %s') % (name, desc)) | |
146 | ui.warn(_('warning: %s hook %s\n') % (name, desc)) |
|
146 | ui.warn(_('warning: %s hook %s\n') % (name, desc)) | |
147 | return r |
|
147 | return r | |
148 |
|
148 | |||
149 | def _allhooks(ui): |
|
149 | def _allhooks(ui): | |
150 | hooks = [] |
|
150 | hooks = [] | |
151 | for name, cmd in ui.configitems('hooks'): |
|
151 | for name, cmd in ui.configitems('hooks'): | |
152 | if not name.startswith('priority'): |
|
152 | if not name.startswith('priority'): | |
153 | priority = ui.configint('hooks', 'priority.%s' % name, 0) |
|
153 | priority = ui.configint('hooks', 'priority.%s' % name, 0) | |
154 | hooks.append((-priority, len(hooks), name, cmd)) |
|
154 | hooks.append((-priority, len(hooks), name, cmd)) | |
155 | return [(k, v) for p, o, k, v in sorted(hooks)] |
|
155 | return [(k, v) for p, o, k, v in sorted(hooks)] | |
156 |
|
156 | |||
157 | _redirect = False |
|
157 | _redirect = False | |
158 | def redirect(state): |
|
158 | def redirect(state): | |
159 | global _redirect |
|
159 | global _redirect | |
160 | _redirect = state |
|
160 | _redirect = state | |
161 |
|
161 | |||
162 | def hook(ui, repo, name, throw=False, **args): |
|
162 | def hook(ui, repo, name, throw=False, **args): | |
163 | if not ui.callhooks: |
|
163 | if not ui.callhooks: | |
164 | return False |
|
164 | return False | |
165 |
|
165 | |||
166 | r = False |
|
166 | r = False | |
167 | oldstdout = -1 |
|
167 | oldstdout = -1 | |
168 |
|
168 | |||
169 | try: |
|
169 | try: | |
170 | for hname, cmd in _allhooks(ui): |
|
170 | for hname, cmd in _allhooks(ui): | |
171 | if hname.split('.')[0] != name or not cmd: |
|
171 | if hname.split('.')[0] != name or not cmd: | |
172 | continue |
|
172 | continue | |
173 |
|
173 | |||
174 | if oldstdout == -1 and _redirect: |
|
174 | if oldstdout == -1 and _redirect: | |
175 | try: |
|
175 | try: | |
176 | stdoutno = sys.__stdout__.fileno() |
|
176 | stdoutno = sys.__stdout__.fileno() | |
177 | stderrno = sys.__stderr__.fileno() |
|
177 | stderrno = sys.__stderr__.fileno() | |
178 | # temporarily redirect stdout to stderr, if possible |
|
178 | # temporarily redirect stdout to stderr, if possible | |
179 | if stdoutno >= 0 and stderrno >= 0: |
|
179 | if stdoutno >= 0 and stderrno >= 0: | |
180 | sys.__stdout__.flush() |
|
180 | sys.__stdout__.flush() | |
181 | oldstdout = os.dup(stdoutno) |
|
181 | oldstdout = os.dup(stdoutno) | |
182 | os.dup2(stderrno, stdoutno) |
|
182 | os.dup2(stderrno, stdoutno) | |
183 | except (OSError, AttributeError): |
|
183 | except (OSError, AttributeError): | |
184 | # files seem to be bogus, give up on redirecting (WSGI, etc) |
|
184 | # files seem to be bogus, give up on redirecting (WSGI, etc) | |
185 | pass |
|
185 | pass | |
186 |
|
186 | |||
187 |
if |
|
187 | if callable(cmd): | |
188 | r = _pythonhook(ui, repo, name, hname, cmd, args, throw) or r |
|
188 | r = _pythonhook(ui, repo, name, hname, cmd, args, throw) or r | |
189 | elif cmd.startswith('python:'): |
|
189 | elif cmd.startswith('python:'): | |
190 | if cmd.count(':') >= 2: |
|
190 | if cmd.count(':') >= 2: | |
191 | path, cmd = cmd[7:].rsplit(':', 1) |
|
191 | path, cmd = cmd[7:].rsplit(':', 1) | |
192 | path = util.expandpath(path) |
|
192 | path = util.expandpath(path) | |
193 | if repo: |
|
193 | if repo: | |
194 | path = os.path.join(repo.root, path) |
|
194 | path = os.path.join(repo.root, path) | |
195 | try: |
|
195 | try: | |
196 | mod = extensions.loadpath(path, 'hghook.%s' % hname) |
|
196 | mod = extensions.loadpath(path, 'hghook.%s' % hname) | |
197 | except Exception: |
|
197 | except Exception: | |
198 | ui.write(_("loading %s hook failed:\n") % hname) |
|
198 | ui.write(_("loading %s hook failed:\n") % hname) | |
199 | raise |
|
199 | raise | |
200 | hookfn = getattr(mod, cmd) |
|
200 | hookfn = getattr(mod, cmd) | |
201 | else: |
|
201 | else: | |
202 | hookfn = cmd[7:].strip() |
|
202 | hookfn = cmd[7:].strip() | |
203 | r = _pythonhook(ui, repo, name, hname, hookfn, args, throw) or r |
|
203 | r = _pythonhook(ui, repo, name, hname, hookfn, args, throw) or r | |
204 | else: |
|
204 | else: | |
205 | r = _exthook(ui, repo, hname, cmd, args, throw) or r |
|
205 | r = _exthook(ui, repo, hname, cmd, args, throw) or r | |
206 | finally: |
|
206 | finally: | |
207 | if _redirect and oldstdout >= 0: |
|
207 | if _redirect and oldstdout >= 0: | |
208 | os.dup2(oldstdout, stdoutno) |
|
208 | os.dup2(oldstdout, stdoutno) | |
209 | os.close(oldstdout) |
|
209 | os.close(oldstdout) | |
210 |
|
210 | |||
211 | return r |
|
211 | return r |
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