Mercurial > hg > mercurial-crew-with-dirclash
annotate hgext/convert/cvs.py @ 4668:e241598e956f
Remove useless variable assignments in util.opener.
The original idea might have been to prevent circular references, but
as this assignment would have created another reference, this makes
no difference.
author | Thomas Arendsen Hein <thomas@intevation.de> |
---|---|
date | Thu, 21 Jun 2007 19:24:27 +0200 |
parents | cc9b79216a76 |
children | 30e826bd8ed1 |
rev | line source |
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1 # CVS conversion code inspired by hg-cvs-import and git-cvsimport |
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2 |
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3 import os, locale, re, socket |
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4 from mercurial import util |
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5 |
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6 from common import NoRepo, commit, converter_source |
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7 |
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8 class convert_cvs(converter_source): |
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9 def __init__(self, ui, path): |
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10 self.path = path |
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11 self.ui = ui |
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12 cvs = os.path.join(path, "CVS") |
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13 if not os.path.exists(cvs): |
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14 raise NoRepo("couldn't open CVS repo %s" % path) |
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15 |
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16 self.changeset = {} |
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17 self.files = {} |
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18 self.tags = {} |
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19 self.lastbranch = {} |
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20 self.parent = {} |
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21 self.socket = None |
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22 self.cvsroot = file(os.path.join(cvs, "Root")).read()[:-1] |
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23 self.cvsrepo = file(os.path.join(cvs, "Repository")).read()[:-1] |
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24 self.encoding = locale.getpreferredencoding() |
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25 self._parse() |
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26 self._connect() |
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27 |
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28 def _parse(self): |
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29 if self.changeset: |
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30 return |
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31 |
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32 d = os.getcwd() |
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33 try: |
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34 os.chdir(self.path) |
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35 id = None |
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36 state = 0 |
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37 for l in os.popen("cvsps -A -u --cvs-direct -q"): |
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38 if state == 0: # header |
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39 if l.startswith("PatchSet"): |
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40 id = l[9:-2] |
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41 elif l.startswith("Date"): |
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42 date = util.parsedate(l[6:-1], ["%Y/%m/%d %H:%M:%S"]) |
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43 date = util.datestr(date) |
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44 elif l.startswith("Branch"): |
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45 branch = l[8:-1] |
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46 self.parent[id] = self.lastbranch.get(branch, 'bad') |
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47 self.lastbranch[branch] = id |
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48 elif l.startswith("Ancestor branch"): |
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49 ancestor = l[17:-1] |
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50 self.parent[id] = self.lastbranch[ancestor] |
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51 elif l.startswith("Author"): |
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52 author = self.recode(l[8:-1]) |
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53 elif l.startswith("Tag: "): |
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54 t = l[5:-1].rstrip() |
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55 if t != "(none)": |
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56 self.tags[t] = id |
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57 elif l.startswith("Log:"): |
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58 state = 1 |
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59 log = "" |
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60 elif state == 1: # log |
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61 if l == "Members: \n": |
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62 files = {} |
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63 log = self.recode(log[:-1]) |
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64 if log.isspace(): |
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65 log = "*** empty log message ***\n" |
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66 state = 2 |
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67 else: |
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68 log += l |
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69 elif state == 2: |
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70 if l == "\n": # |
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71 state = 0 |
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72 p = [self.parent[id]] |
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73 if id == "1": |
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74 p = [] |
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75 if branch == "HEAD": |
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76 branch = "" |
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77 c = commit(author=author, date=date, parents=p, |
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78 desc=log, branch=branch) |
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79 self.changeset[id] = c |
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80 self.files[id] = files |
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81 else: |
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82 colon = l.rfind(':') |
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83 file = l[1:colon] |
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84 rev = l[colon+1:-2] |
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85 rev = rev.split("->")[1] |
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86 files[file] = rev |
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87 |
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88 self.heads = self.lastbranch.values() |
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89 finally: |
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90 os.chdir(d) |
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91 |
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92 def _connect(self): |
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93 root = self.cvsroot |
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95 user, host = None, None |
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96 cmd = ['cvs', 'server'] |
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97 |
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98 self.ui.status("connecting to %s\n" % root) |
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99 |
4047 | 100 if root.startswith(":pserver:"): |
101 root = root[9:] | |
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102 m = re.match(r'(?:(.*?)(?::(.*?))?@)?([^:\/]*)(?::(\d*))?(.*)', |
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103 root) |
4047 | 104 if m: |
105 conntype = "pserver" | |
106 user, passw, serv, port, root = m.groups() | |
107 if not user: | |
108 user = "anonymous" | |
109 rr = ":pserver:" + user + "@" + serv + ":" + root | |
110 if port: | |
111 rr2, port = "-", int(port) | |
112 else: | |
113 rr2, port = rr, 2401 | |
114 rr += str(port) | |
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115 |
4047 | 116 if not passw: |
117 passw = "A" | |
118 pf = open(os.path.join(os.environ["HOME"], ".cvspass")) | |
119 for l in pf: | |
120 # :pserver:cvs@mea.tmt.tele.fi:/cvsroot/zmailer Ah<Z | |
121 m = re.match(r'(/\d+\s+/)?(.*)', l) | |
122 l = m.group(2) | |
123 w, p = l.split(' ', 1) | |
124 if w in [rr, rr2]: | |
125 passw = p | |
126 break | |
127 pf.close() | |
128 | |
129 sck = socket.socket() | |
130 sck.connect((serv, port)) | |
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131 sck.send("\n".join(["BEGIN AUTH REQUEST", root, user, passw, |
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132 "END AUTH REQUEST", ""])) |
4047 | 133 if sck.recv(128) != "I LOVE YOU\n": |
134 raise NoRepo("CVS pserver authentication failed") | |
135 | |
136 self.writep = self.readp = sck.makefile('r+') | |
137 | |
138 if not conntype and root.startswith(":local:"): | |
139 conntype = "local" | |
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140 root = root[7:] |
4047 | 141 |
142 if not conntype: | |
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143 # :ext:user@host/home/user/path/to/cvsroot |
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144 if root.startswith(":ext:"): |
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145 root = root[5:] |
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146 m = re.match(r'(?:([^@:/]+)@)?([^:/]+):?(.*)', root) |
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147 if not m: |
4047 | 148 conntype = "local" |
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149 else: |
4047 | 150 conntype = "rsh" |
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151 user, host, root = m.group(1), m.group(2), m.group(3) |
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152 |
4047 | 153 if conntype != "pserver": |
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154 if conntype == "rsh": |
4047 | 155 rsh = os.environ.get("CVS_RSH" or "rsh") |
156 if user: | |
157 cmd = [rsh, '-l', user, host] + cmd | |
158 else: | |
159 cmd = [rsh, host] + cmd | |
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160 |
4047 | 161 self.writep, self.readp = os.popen2(cmd) |
162 | |
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163 self.realroot = root |
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164 |
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165 self.writep.write("Root %s\n" % root) |
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166 self.writep.write("Valid-responses ok error Valid-requests Mode" |
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167 " M Mbinary E Checked-in Created Updated" |
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168 " Merged Removed\n") |
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169 self.writep.write("valid-requests\n") |
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170 self.writep.flush() |
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171 r = self.readp.readline() |
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172 if not r.startswith("Valid-requests"): |
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173 raise util.Abort("server sucks") |
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174 if "UseUnchanged" in r: |
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175 self.writep.write("UseUnchanged\n") |
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176 self.writep.flush() |
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177 r = self.readp.readline() |
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178 |
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179 def getheads(self): |
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180 return self.heads |
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181 |
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182 def _getfile(self, name, rev): |
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183 if rev.endswith("(DEAD)"): |
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184 raise IOError |
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185 |
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186 args = ("-N -P -kk -r %s --" % rev).split() |
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187 args.append(os.path.join(self.cvsrepo, name)) |
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188 for x in args: |
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189 self.writep.write("Argument %s\n" % x) |
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190 self.writep.write("Directory .\n%s\nco\n" % self.realroot) |
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191 self.writep.flush() |
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192 |
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193 data = "" |
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194 while 1: |
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195 line = self.readp.readline() |
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196 if line.startswith("Created ") or line.startswith("Updated "): |
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197 self.readp.readline() # path |
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198 self.readp.readline() # entries |
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199 mode = self.readp.readline()[:-1] |
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200 count = int(self.readp.readline()[:-1]) |
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201 data = self.readp.read(count) |
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202 elif line.startswith(" "): |
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203 data += line[1:] |
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204 elif line.startswith("M "): |
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205 pass |
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206 elif line.startswith("Mbinary "): |
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207 count = int(self.readp.readline()[:-1]) |
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208 data = self.readp.read(count) |
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209 else: |
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210 if line == "ok\n": |
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211 return (data, "x" in mode and "x" or "") |
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212 elif line.startswith("E "): |
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213 self.ui.warn("cvs server: %s\n" % line[2:]) |
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214 elif line.startswith("Remove"): |
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215 l = self.readp.readline() |
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216 l = self.readp.readline() |
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217 if l != "ok\n": |
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218 raise util.Abort("unknown CVS response: %s" % l) |
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219 else: |
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220 raise util.Abort("unknown CVS response: %s" % line) |
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221 |
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222 def getfile(self, file, rev): |
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223 data, mode = self._getfile(file, rev) |
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224 self.modecache[(file, rev)] = mode |
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225 return data |
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226 |
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227 def getmode(self, file, rev): |
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228 return self.modecache[(file, rev)] |
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229 |
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230 def getchanges(self, rev): |
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231 self.modecache = {} |
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232 files = self.files[rev] |
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233 cl = files.items() |
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234 cl.sort() |
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235 return cl |
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236 |
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237 def recode(self, text): |
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238 return text.decode(self.encoding, "replace").encode("utf-8") |
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239 |
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240 def getcommit(self, rev): |
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241 return self.changeset[rev] |
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242 |
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243 def gettags(self): |
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244 return self.tags |