Mercurial > treepkg > treepkg
annotate treepkg/packager.py @ 55:6b5f7f7575f6
merge
| author | Bernhard Herzog <bh@intevation.de> |
|---|---|
| date | Tue, 10 Apr 2007 12:07:39 +0200 |
| parents | e1028211d34b b0014b8f6029 |
| children | 9a602d8eaa60 |
| rev | line source |
|---|---|
| 0 | 1 # Copyright (C) 2007 by Intevation GmbH |
| 2 # Authors: | |
| 3 # Bernhard Herzog <bh@intevation.de> | |
| 4 # | |
| 5 # This program is free software under the GPL (>=v2) | |
| 6 # Read the file COPYING coming with the software for details. | |
| 7 | |
| 8 """Classes to automatically build debian packages from subversion checkouts""" | |
| 9 | |
| 10 import os | |
| 11 import time | |
| 12 import re | |
| 13 import logging | |
| 14 import shutil | |
| 15 import traceback | |
|
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16 import datetime |
| 0 | 17 |
| 18 import util | |
| 19 import subversion | |
| 20 import run | |
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21 import status |
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22 from cmdexpand import cmdexpand |
| 0 | 23 |
| 24 def _filenameproperty(relative_dir): | |
| 25 def get(self): | |
| 26 return os.path.join(self.base_dir, relative_dir) | |
| 27 return property(get) | |
| 28 | |
| 29 | |
| 30 class SourcePackager(object): | |
| 31 | |
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32 # Derived classes must supply the package basename |
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33 pkg_basename = None |
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34 |
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35 def __init__(self, track, status, work_dir, src_dir, revision): |
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36 self.track = track |
| 0 | 37 self.status = status |
| 38 self.work_dir = work_dir | |
| 39 self.src_dir = src_dir | |
| 40 self.revision = revision | |
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41 assert(self.pkg_basename) |
| 0 | 42 |
| 43 def determine_package_version(self, directory): | |
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44 """Returns the version number of the new package as a string |
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45 |
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46 The directory parameter is the name of the directory containing |
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47 the newly exported sources. The sources were exported with the |
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48 export_sources method. |
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49 |
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50 The default implementation simply returns the revision converted |
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51 to a string. |
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52 """ |
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53 return str(self.revision) |
| 0 | 54 |
| 55 def export_sources(self): | |
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56 """Export the sources from the subversion working directory |
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57 |
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58 This method first exports the sources to a temporary directory |
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59 and then renames the directory. The new name is of the form |
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60 |
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61 <pkg_basename>-<version> |
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62 |
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63 Where pkg_basename is the value of self.pkg_basename and version |
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64 is the return value of the determine_package_version() method. |
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65 """ |
| 0 | 66 temp_dir = os.path.join(self.work_dir, "temp") |
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67 self.track.export_sources(temp_dir) |
| 0 | 68 |
| 69 pkgbaseversion = self.determine_package_version(temp_dir) | |
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70 pkgbasedir = os.path.join(self.work_dir, |
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71 self.pkg_basename + "-" + pkgbaseversion) |
| 0 | 72 |
| 73 os.rename(temp_dir, pkgbasedir) | |
| 74 return pkgbaseversion, pkgbasedir | |
| 75 | |
| 76 | |
| 77 def update_version_numbers(self, pkgbasedir): | |
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78 """Updates the version numbers in the code in pkgbasedir. |
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79 |
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80 The default implementation does nothing. Derived classes should |
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81 override this method if necessary. |
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82 """ |
| 0 | 83 |
| 84 def create_tarball(self, tarballname, workdir, basedir): | |
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85 """Creates a new tarball. |
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86 |
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87 Parameters: |
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88 |
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89 tarballname -- the filename of the new tarball |
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90 workdir -- The directory into which to change before running tar. |
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91 (actually this is done with GNUI tar's -C option) |
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92 basedir -- The basedirectory of the files that are packaged |
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93 into the tarfile. This should be a relative |
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94 filename directly in workdir. |
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95 """ |
| 0 | 96 logging.info("Creating tarball %r", tarballname) |
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97 run.call(cmdexpand("tar czf $tarballname -C $workdir $basedir", |
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98 **locals())) |
| 0 | 99 |
| 100 def copy_debian_directory(self, pkgbasedir, pkgbaseversion, changemsg): | |
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101 """Copies the debian directory and updates the copy's changelog |
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102 |
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103 Parameter: |
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104 pkgbasedir -- The directory holding the unpacked source package |
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105 pkgbaseversion -- The version to update the changelog to |
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106 changemsg -- The message for the changelog |
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107 |
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108 When determining the actual version for the new package, this |
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109 function looks at the previous version in the changelog. If it |
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110 has a prefix separated from the version number by a colon this |
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111 prefix is prepended to the pkgbaseversion parameter. Debian |
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112 uses such prefixes for the kde packages. |
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113 """ |
| 0 | 114 debian_dir = os.path.join(pkgbasedir, "debian") |
| 115 changelog = os.path.join(debian_dir, "changelog") | |
| 116 | |
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117 self.track.copy_debian_directory(debian_dir) |
| 0 | 118 |
| 119 logging.info("Updating %r", changelog) | |
| 120 oldversion = util.debian_changelog_version(changelog) | |
| 121 if ":" in oldversion: | |
| 122 oldversionprefix = oldversion.split(":")[0] + ":" | |
| 123 else: | |
| 124 oldversionprefix = "" | |
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125 run.call(cmdexpand("debchange -c $changelog" |
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126 " -v ${oldversionprefix}${pkgbaseversion}-kk1" |
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127 " $changemsg", **locals()), |
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128 env=self.track.debian_environment()) |
| 0 | 129 |
| 130 | |
| 131 def create_source_package(self, pkgbasedir, origtargz): | |
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132 """Creates a new source package from pkgbasedir and origtargz""" |
| 0 | 133 logging.info("Creating new source package") |
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134 run.call(cmdexpand("dpkg-source -b $directory $tarball", |
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135 directory=os.path.basename(pkgbasedir), |
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136 tarball=os.path.basename(origtargz)), |
| 0 | 137 cwd=os.path.dirname(pkgbasedir), |
| 138 suppress_output=True, | |
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139 env=self.track.debian_environment()) |
| 0 | 140 |
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141 def move_source_package(self, pkgbasename): |
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142 """Moves the new source package from the work_dir to the src_dir""" |
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143 logging.info("Moving source package to %r", self.src_dir) |
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144 util.ensure_directory(self.src_dir) |
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145 for filename in [filename for filename in os.listdir(self.work_dir) |
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146 if filename.startswith(pkgbasename)]: |
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147 os.rename(os.path.join(self.work_dir, filename), |
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148 os.path.join(self.src_dir, filename)) |
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149 |
| 0 | 150 def package(self): |
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151 """Creates a source package from a subversion checkout. |
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152 |
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153 After setting up the working directory, this method calls the |
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154 do_package method to do the actual packaging. Afterwards the |
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155 work directory is removed. |
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156 """ |
| 0 | 157 util.ensure_directory(self.work_dir) |
| 158 try: | |
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159 self.status.creating_source_package() |
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160 self.do_package() |
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161 self.status.source_package_created() |
| 0 | 162 finally: |
| 163 logging.info("Removing workdir %r", self.work_dir) | |
| 164 shutil.rmtree(self.work_dir) | |
| 165 | |
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166 def do_package(self): |
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167 """Does the work of creating a source package |
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168 This method must be overriden by derived classes. |
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169 |
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170 The method should do the work in self.work_dir. When the |
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171 package is done, the source package files should be in |
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172 self.src_dir. |
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173 """ |
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174 raise NotImplementedError |
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175 |
| 0 | 176 |
| 177 class BinaryPackager(object): | |
| 178 | |
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179 def __init__(self, track, status, binary_dir, dsc_file, logfile): |
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180 self.track = track |
| 0 | 181 self.status = status |
| 182 self.binary_dir = binary_dir | |
| 183 self.dsc_file = dsc_file | |
| 184 self.logfile = logfile | |
| 185 | |
| 186 def package(self): | |
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187 self.status.creating_binary_package() |
| 0 | 188 util.ensure_directory(self.binary_dir) |
| 54 | 189 logging.info("Building binary package; logging to %r", self.logfile) |
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190 run.call(cmdexpand("@rootcmd /usr/sbin/pbuilder build" |
| 51 | 191 " --configfile $pbuilderrc" |
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192 " --logfile $logfile --buildresult $bindir $dsc", |
| 55 | 193 rootcmd=self.track.root_cmd, |
| 194 pbuilderrc=self.track.pbuilderrc, | |
| 51 | 195 logfile=self.logfile, bindir=self.binary_dir, |
| 196 dsc=self.dsc_file), | |
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197 suppress_output=True) |
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198 self.status.binary_package_created() |
| 0 | 199 |
| 200 | |
| 201 class RevisionPackager(object): | |
| 202 | |
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203 source_packager_cls = SourcePackager |
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204 binary_packager_cls = BinaryPackager |
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205 |
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206 def __init__(self, track, revision): |
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207 self.track = track |
| 0 | 208 self.revision = revision |
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209 self.base_dir = self.track.pkg_dir_for_revision(self.revision, 1) |
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210 self.status = status.RevisionStatus(os.path.join(self.base_dir, |
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211 "status")) |
| 0 | 212 |
| 213 work_dir = _filenameproperty("work") | |
| 214 binary_dir = _filenameproperty("binary") | |
| 215 src_dir = _filenameproperty("src") | |
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216 build_log = _filenameproperty("build.log") |
| 0 | 217 |
| 218 def find_dsc_file(self): | |
| 219 for filename in os.listdir(self.src_dir): | |
| 220 if filename.endswith(".dsc"): | |
| 221 return os.path.join(self.src_dir, filename) | |
| 222 return None | |
| 223 | |
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224 def has_build_log(self): |
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225 return os.path.exists(self.build_log) |
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226 |
| 0 | 227 def package(self): |
| 228 try: | |
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229 util.ensure_directory(self.work_dir) |
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230 self.status.start = datetime.datetime.utcnow() |
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231 src_packager = self.source_packager_cls(self.track, self.status, |
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232 self.work_dir, self.src_dir, |
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233 self.revision) |
| 0 | 234 src_packager.package() |
| 235 | |
| 236 dsc_file = self.find_dsc_file() | |
| 237 if dsc_file is None: | |
| 238 raise RuntimeError("Cannot find dsc File in %r" % self.src_dir) | |
| 239 | |
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240 bin_packager = self.binary_packager_cls(self.track, self.status, |
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241 self.binary_dir, dsc_file, |
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242 self.build_log) |
| 0 | 243 bin_packager.package() |
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244 self.status.stop = datetime.datetime.utcnow() |
| 0 | 245 except: |
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246 self.status.error() |
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247 self.status.stop = datetime.datetime.utcnow() |
| 0 | 248 raise |
| 249 | |
| 250 def remove_package_dir(self): | |
| 251 logging.info("Removing pkgdir %r", self.base_dir) | |
| 252 shutil.rmtree(self.base_dir) | |
| 253 | |
| 254 | |
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255 class PackageTrack(object): |
| 0 | 256 |
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257 revision_packager_cls = RevisionPackager |
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258 |
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259 svn_external_subdirs = [] |
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260 |
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261 extra_config_desc = [] |
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262 |
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263 def __init__(self, name, base_dir, svn_url, root_cmd, pbuilderrc, deb_email, |
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264 deb_fullname, packager_class="treepkg.packager"): |
| 0 | 265 self.name = name |
| 266 self.base_dir = base_dir | |
| 267 self.svn_url = svn_url | |
| 268 self.root_cmd = root_cmd | |
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269 self.pbuilderrc = pbuilderrc |
| 0 | 270 self.deb_email = deb_email |
| 271 self.deb_fullname = deb_fullname | |
| 272 self.pkg_dir_template = "%(revision)d-%(increment)d" | |
| 273 self.pkg_dir_regex \ | |
| 274 = re.compile(r"(?P<revision>[0-9]+)-(?P<increment>[0-9]+)$") | |
| 275 | |
| 276 checkout_dir = _filenameproperty("checkout") | |
| 277 debian_dir = _filenameproperty("debian") | |
| 278 pkg_dir = _filenameproperty("pkg") | |
| 279 | |
| 280 def pkg_dir_for_revision(self, revision, increment): | |
| 281 return os.path.join(self.pkg_dir, | |
| 282 self.pkg_dir_template % locals()) | |
| 283 | |
| 284 def last_changed_revision(self): | |
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285 revisions = [] |
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286 for directory in [self.checkout_dir] + self.svn_external_subdirs: |
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287 directory = os.path.join(self.checkout_dir, directory) |
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288 revisions.append(subversion.last_changed_revision(directory)) |
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289 return max(revisions) |
| 0 | 290 |
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291 def get_revision_numbers(self): |
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292 """Returns a list of the numbers of the packaged revisions""" |
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293 revisions = [] |
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294 if os.path.exists(self.pkg_dir): |
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295 for filename in os.listdir(self.pkg_dir): |
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296 match = self.pkg_dir_regex.match(filename) |
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297 if match: |
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298 revisions.append(int(match.group("revision"))) |
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299 return revisions |
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300 |
| 0 | 301 def last_packaged_revision(self): |
| 302 """Returns the revision number of the highest packaged revision. | |
| 303 | |
| 304 If the revision cannot be determined because no already packaged | |
| 305 revisions can be found, the function returns -1. | |
| 306 """ | |
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307 return max([-1] + self.get_revision_numbers()) |
| 0 | 308 |
| 309 def debian_source(self): | |
| 310 return util.extract_value_for_key(open(os.path.join(self.debian_dir, | |
| 311 "control")), | |
| 312 "Source:") | |
| 313 | |
| 314 def update_checkout(self): | |
| 315 """Updates the working copy of self.svn_url in self.checkout_dir. | |
| 316 | |
| 317 If self.checkout_dir doesn't exist yet, self.svn_url is checked | |
| 318 out into that directory. | |
| 319 """ | |
| 320 localdir = self.checkout_dir | |
| 321 if os.path.exists(localdir): | |
| 322 logging.info("Updating the working copy in %r", localdir) | |
| 323 subversion.update(localdir) | |
| 324 else: | |
| 325 logging.info("The working copy in %r doesn't exist yet." | |
| 26 | 326 " Checking out from %r", localdir, |
| 0 | 327 self.svn_url) |
| 328 subversion.checkout(self.svn_url, localdir) | |
| 329 | |
| 330 def export_sources(self, to_dir): | |
| 331 logging.info("Exporting sources for tarball to %r", to_dir) | |
| 332 subversion.export(self.checkout_dir, to_dir) | |
| 333 # some versions of svn (notably version 1.4.2 shipped with etch) | |
| 334 # do export externals such as the admin subdirectory. We may | |
| 335 # have to do that in an extra step. | |
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336 for subdir in self.svn_external_subdirs: |
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337 absdir = os.path.join(to_dir, subdir) |
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338 if not os.path.isdir(absdir): |
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339 subversion.export(os.path.join(self.checkout_dir, subdir), |
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340 absdir) |
| 0 | 341 |
| 342 def copy_debian_directory(self, to_dir): | |
| 343 logging.info("Copying debian directory to %r", to_dir) | |
| 344 shutil.copytree(self.debian_dir, to_dir) | |
| 345 | |
| 346 def debian_environment(self): | |
| 347 """Returns the environment variables for the debian commands""" | |
| 348 env = os.environ.copy() | |
| 349 env["DEBFULLNAME"] = self.deb_fullname | |
| 350 env["DEBEMAIL"] = self.deb_email | |
| 351 return env | |
| 352 | |
| 353 def package_if_updated(self): | |
| 354 """Checks if the checkout changed and returns a new packager if so""" | |
| 355 self.update_checkout() | |
| 356 current_revision = self.last_changed_revision() | |
| 357 logging.info("New revision is %d", current_revision) | |
| 358 previous_revision = self.last_packaged_revision() | |
| 359 logging.info("Previously packaged revision was %d", previous_revision) | |
| 360 if current_revision > previous_revision: | |
| 361 logging.info("New revision is not packaged yet") | |
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362 return self.revision_packager_cls(self, current_revision) |
| 0 | 363 else: |
| 364 logging.info("New revision already packaged.") | |
| 365 | |
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366 def get_revisions(self): |
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367 """Returns RevisionPackager objects for each packaged revision""" |
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368 return [self.revision_packager_cls(self, revision) |
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369 for revision in self.get_revision_numbers()] |
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370 |
| 0 | 371 |
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372 def create_package_track(packager_class, **kw): |
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373 module = util.import_dotted_name(packager_class) |
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374 return module.PackageTrack(**kw) |
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375 |
| 0 | 376 |
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377 class PackagerGroup(object): |
| 0 | 378 |
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379 def __init__(self, package_tracks, check_interval): |
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380 self.package_tracks = package_tracks |
| 0 | 381 self.check_interval = check_interval |
| 382 | |
| 383 def run(self): | |
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384 """Runs the packager group indefinitely""" |
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385 logging.info("Tree packager starts. Will check every %d seconds", |
| 0 | 386 self.check_interval) |
| 387 last_check = -1 | |
| 388 while 1: | |
| 389 now = time.time() | |
| 390 if now > last_check + self.check_interval: | |
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391 self.check_package_tracks() |
| 0 | 392 last_check = now |
| 393 next_check = now + self.check_interval | |
| 394 to_sleep = next_check - time.time() | |
| 395 if to_sleep > 0: | |
| 396 logging.info("Next check at %s", | |
| 397 time.strftime("%Y-%m-%d %H:%M:%S", | |
| 398 time.localtime(next_check))) | |
| 399 time.sleep(to_sleep) | |
| 400 else: | |
| 401 logging.info("Next check now") | |
| 402 | |
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403 def check_package_tracks(self): |
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404 logging.info("Checking package tracks") |
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405 for track in self.package_tracks: |
| 0 | 406 try: |
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407 packager = track.package_if_updated() |
| 0 | 408 if packager: |
| 409 packager.package() | |
| 410 except: | |
| 411 logging.exception("An error occurred while" | |
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412 " checking packager track %r", track.name) |
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413 logging.info("Checked all package tracks") |
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414 |
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415 def get_package_tracks(self): |
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416 return self.package_tracks |