annotate mercurial/ui.py @ 613:5374955ec5b1

Demand-load most modules in the commands and ui modules. # HG changeset patch # User Bryan O'Sullivan <bos@serpentine.com> # Node ID 059c6e42fc4221816e26a72bef8cf780891989ca # Parent d2994b5298fb20f87dc1d4747635b280db3c0526 Demand-load most modules in the commands and ui modules. This improves response times for a number of simple commands, as the Python interpreter doesn't end up loading modules that it never uses. There's less benefit to demand-loading in other modules.
author Bryan O'Sullivan <bos@serpentine.com>
date Mon, 04 Jul 2005 12:16:27 -0800
parents d2994b5298fb
children b55a78595ef6
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1 # ui.py - user interface bits for mercurial
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2 #
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3 # Copyright 2005 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms
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6 # of the GNU General Public License, incorporated herein by reference.
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7
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8 import os, ConfigParser
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9 from demandload import *
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10 demandload(globals(), "re socket sys util")
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11
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12 class ui:
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13 def __init__(self, verbose=False, debug=False, quiet=False,
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14 interactive=True):
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15 self.cdata = ConfigParser.SafeConfigParser()
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16 self.cdata.read(os.path.expanduser("~/.hgrc"))
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17
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18 self.quiet = self.configbool("ui", "quiet")
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19 self.verbose = self.configbool("ui", "verbose")
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20 self.debugflag = self.configbool("ui", "debug")
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21 self.interactive = self.configbool("ui", "interactive", True)
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22
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23 self.quiet = (self.quiet or quiet) and not verbose and not debug
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24 self.verbose = (self.verbose or verbose) or debug
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25 self.debugflag = (self.debugflag or debug)
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26 self.interactive = (self.interactive and interactive)
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27
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28 def readconfig(self, fp):
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29 self.cdata.readfp(fp)
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30
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31 def config(self, section, val, default=None):
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32 if self.cdata.has_option(section, val):
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33 return self.cdata.get(section, val)
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34 return default
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35
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36 def configbool(self, section, val, default=False):
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37 if self.cdata.has_option(section, val):
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38 return self.cdata.getboolean(section, val)
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39 return default
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40
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41 def configitems(self, section):
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42 if self.cdata.has_section(section):
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43 return self.cdata.items(section)
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44 return []
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45
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46 def username(self):
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47 return (self.config("ui", "username") or
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48 os.environ.get("HGUSER") or
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49 os.environ.get("EMAIL") or
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50 (os.environ.get("LOGNAME",
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51 os.environ.get("USERNAME", "unknown"))
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52 + '@' + socket.getfqdn()))
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53
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54 def expandpath(self, loc):
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55 paths = {}
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56 for name, path in self.configitems("paths"):
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57 paths[name] = path
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58
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59 return paths.get(loc, loc)
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60
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61 def write(self, *args):
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62 for a in args:
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63 sys.stdout.write(str(a))
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64
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65 def write_err(self, *args):
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66 sys.stdout.flush()
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67 for a in args:
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68 sys.stderr.write(str(a))
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69
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70 def readline(self):
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71 return sys.stdin.readline()[:-1]
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72 def prompt(self, msg, pat, default = "y"):
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73 if not self.interactive: return default
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74 while 1:
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75 self.write(msg, " ")
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76 r = self.readline()
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77 if re.match(pat, r):
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78 return r
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79 else:
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80 self.write("unrecognized response\n")
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81 def status(self, *msg):
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82 if not self.quiet: self.write(*msg)
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83 def warn(self, *msg):
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84 self.write_err(*msg)
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85 def note(self, *msg):
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86 if self.verbose: self.write(*msg)
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87 def debug(self, *msg):
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88 if self.debugflag: self.write(*msg)
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89 def edit(self, text):
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90 import tempfile
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91 (fd, name) = tempfile.mkstemp("hg")
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92 f = os.fdopen(fd, "w")
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93 f.write(text)
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94 f.close()
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95
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96 editor = (self.config("ui", "editor") or
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97 os.environ.get("HGEDITOR") or
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98 os.environ.get("EDITOR", "vi"))
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99
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100 util.system("%s %s" % (editor, name), errprefix = "edit failed")
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101
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102 t = open(name).read()
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103 t = re.sub("(?m)^HG:.*\n", "", t)
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104
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105 return t