Mercurial > treepkg > treepkg
annotate treepkg/packager.py @ 45:3e610233ccfe
use cmdexpand when calling subprocesses
| author | Bernhard Herzog <bh@intevation.de> |
|---|---|
| date | Tue, 20 Mar 2007 17:27:46 +0100 |
| parents | f7ec40638a06 |
| children | e1028211d34b |
| 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, pkg_line, status, work_dir, src_dir, revision): |
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36 self.pkg_line = pkg_line |
| 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.pkg_line.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.pkg_line.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.pkg_line.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.pkg_line.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, pkg_line, status, binary_dir, dsc_file, logfile): |
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180 self.pkg_line = pkg_line |
| 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) |
| 189 logging.info("Building binary package; loging to %r", self.logfile) | |
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190 run.call(cmdexpand("@rootcmd /usr/sbin/pbuilder build" |
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191 " --logfile $logfile --buildresult $bindir $dsc", |
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192 rootcmd=self.pkg_line.root_cmd, logfile=self.logfile, |
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193 bindir=self.binary_dir, dsc=self.dsc_file), |
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194 suppress_output=True) |
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195 self.status.binary_package_created() |
| 0 | 196 |
| 197 | |
| 198 class RevisionPackager(object): | |
| 199 | |
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200 source_packager_cls = SourcePackager |
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201 binary_packager_cls = BinaryPackager |
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202 |
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203 def __init__(self, pkg_line, revision): |
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204 self.pkg_line = pkg_line |
| 0 | 205 self.revision = revision |
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206 self.base_dir = self.pkg_line.pkg_dir_for_revision(self.revision, 1) |
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207 self.status = status.RevisionStatus(os.path.join(self.base_dir, |
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208 "status")) |
| 0 | 209 |
| 210 work_dir = _filenameproperty("work") | |
| 211 binary_dir = _filenameproperty("binary") | |
| 212 src_dir = _filenameproperty("src") | |
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213 build_log = _filenameproperty("build.log") |
| 0 | 214 |
| 215 def find_dsc_file(self): | |
| 216 for filename in os.listdir(self.src_dir): | |
| 217 if filename.endswith(".dsc"): | |
| 218 return os.path.join(self.src_dir, filename) | |
| 219 return None | |
| 220 | |
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221 def has_build_log(self): |
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222 return os.path.exists(self.build_log) |
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223 |
| 0 | 224 def package(self): |
| 225 try: | |
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226 util.ensure_directory(self.work_dir) |
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227 self.status.start = datetime.datetime.utcnow() |
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228 src_packager = self.source_packager_cls(self.pkg_line, self.status, |
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229 self.work_dir, self.src_dir, |
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230 self.revision) |
| 0 | 231 src_packager.package() |
| 232 | |
| 233 dsc_file = self.find_dsc_file() | |
| 234 if dsc_file is None: | |
| 235 raise RuntimeError("Cannot find dsc File in %r" % self.src_dir) | |
| 236 | |
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237 bin_packager = self.binary_packager_cls(self.pkg_line, self.status, |
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238 self.binary_dir, dsc_file, |
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239 self.build_log) |
| 0 | 240 bin_packager.package() |
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241 self.status.stop = datetime.datetime.utcnow() |
| 0 | 242 except: |
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243 self.status.error() |
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244 self.status.stop = datetime.datetime.utcnow() |
| 0 | 245 raise |
| 246 | |
| 247 def remove_package_dir(self): | |
| 248 logging.info("Removing pkgdir %r", self.base_dir) | |
| 249 shutil.rmtree(self.base_dir) | |
| 250 | |
| 251 | |
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252 class PackageLine(object): |
| 0 | 253 |
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254 revision_packager_cls = RevisionPackager |
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255 |
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256 svn_external_subdirs = [] |
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257 |
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258 extra_config_desc = [] |
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259 |
| 0 | 260 def __init__(self, name, base_dir, svn_url, root_cmd, deb_email, |
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261 deb_fullname, packager_class="treepkg.packager"): |
| 0 | 262 self.name = name |
| 263 self.base_dir = base_dir | |
| 264 self.svn_url = svn_url | |
| 265 self.root_cmd = root_cmd | |
| 266 self.deb_email = deb_email | |
| 267 self.deb_fullname = deb_fullname | |
| 268 self.pkg_dir_template = "%(revision)d-%(increment)d" | |
| 269 self.pkg_dir_regex \ | |
| 270 = re.compile(r"(?P<revision>[0-9]+)-(?P<increment>[0-9]+)$") | |
| 271 | |
| 272 checkout_dir = _filenameproperty("checkout") | |
| 273 debian_dir = _filenameproperty("debian") | |
| 274 pkg_dir = _filenameproperty("pkg") | |
| 275 | |
| 276 def pkg_dir_for_revision(self, revision, increment): | |
| 277 return os.path.join(self.pkg_dir, | |
| 278 self.pkg_dir_template % locals()) | |
| 279 | |
| 280 def last_changed_revision(self): | |
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281 revisions = [] |
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282 for directory in [self.checkout_dir] + self.svn_external_subdirs: |
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283 directory = os.path.join(self.checkout_dir, directory) |
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284 revisions.append(subversion.last_changed_revision(directory)) |
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285 return max(revisions) |
| 0 | 286 |
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287 def get_revision_numbers(self): |
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288 """Returns a list of the numbers of the packaged revisions""" |
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289 revisions = [] |
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290 if os.path.exists(self.pkg_dir): |
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291 for filename in os.listdir(self.pkg_dir): |
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292 match = self.pkg_dir_regex.match(filename) |
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293 if match: |
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294 revisions.append(int(match.group("revision"))) |
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295 return revisions |
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296 |
| 0 | 297 def last_packaged_revision(self): |
| 298 """Returns the revision number of the highest packaged revision. | |
| 299 | |
| 300 If the revision cannot be determined because no already packaged | |
| 301 revisions can be found, the function returns -1. | |
| 302 """ | |
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303 return max([-1] + self.get_revision_numbers()) |
| 0 | 304 |
| 305 def debian_source(self): | |
| 306 return util.extract_value_for_key(open(os.path.join(self.debian_dir, | |
| 307 "control")), | |
| 308 "Source:") | |
| 309 | |
| 310 def update_checkout(self): | |
| 311 """Updates the working copy of self.svn_url in self.checkout_dir. | |
| 312 | |
| 313 If self.checkout_dir doesn't exist yet, self.svn_url is checked | |
| 314 out into that directory. | |
| 315 """ | |
| 316 localdir = self.checkout_dir | |
| 317 if os.path.exists(localdir): | |
| 318 logging.info("Updating the working copy in %r", localdir) | |
| 319 subversion.update(localdir) | |
| 320 else: | |
| 321 logging.info("The working copy in %r doesn't exist yet." | |
| 26 | 322 " Checking out from %r", localdir, |
| 0 | 323 self.svn_url) |
| 324 subversion.checkout(self.svn_url, localdir) | |
| 325 | |
| 326 def export_sources(self, to_dir): | |
| 327 logging.info("Exporting sources for tarball to %r", to_dir) | |
| 328 subversion.export(self.checkout_dir, to_dir) | |
| 329 # some versions of svn (notably version 1.4.2 shipped with etch) | |
| 330 # do export externals such as the admin subdirectory. We may | |
| 331 # have to do that in an extra step. | |
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332 for subdir in self.svn_external_subdirs: |
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333 absdir = os.path.join(to_dir, subdir) |
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334 if not os.path.isdir(absdir): |
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335 subversion.export(os.path.join(self.checkout_dir, subdir), |
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336 absdir) |
| 0 | 337 |
| 338 def copy_debian_directory(self, to_dir): | |
| 339 logging.info("Copying debian directory to %r", to_dir) | |
| 340 shutil.copytree(self.debian_dir, to_dir) | |
| 341 | |
| 342 def debian_environment(self): | |
| 343 """Returns the environment variables for the debian commands""" | |
| 344 env = os.environ.copy() | |
| 345 env["DEBFULLNAME"] = self.deb_fullname | |
| 346 env["DEBEMAIL"] = self.deb_email | |
| 347 return env | |
| 348 | |
| 349 def package_if_updated(self): | |
| 350 """Checks if the checkout changed and returns a new packager if so""" | |
| 351 self.update_checkout() | |
| 352 current_revision = self.last_changed_revision() | |
| 353 logging.info("New revision is %d", current_revision) | |
| 354 previous_revision = self.last_packaged_revision() | |
| 355 logging.info("Previously packaged revision was %d", previous_revision) | |
| 356 if current_revision > previous_revision: | |
| 357 logging.info("New revision is not packaged yet") | |
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358 return self.revision_packager_cls(self, current_revision) |
| 0 | 359 else: |
| 360 logging.info("New revision already packaged.") | |
| 361 | |
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362 def get_revisions(self): |
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363 """Returns RevisionPackager objects for each packaged revision""" |
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364 return [self.revision_packager_cls(self, revision) |
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365 for revision in self.get_revision_numbers()] |
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366 |
| 0 | 367 |
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368 def create_package_line(packager_class, **kw): |
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369 module = util.import_dotted_name(packager_class) |
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370 return module.PackageLine(**kw) |
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371 |
| 0 | 372 |
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373 class PackagerGroup(object): |
| 0 | 374 |
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375 def __init__(self, package_lines, check_interval): |
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376 self.package_lines = package_lines |
| 0 | 377 self.check_interval = check_interval |
| 378 | |
| 379 def run(self): | |
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380 """Runs the packager group indefinitely""" |
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381 logging.info("Tree packager starts. Will check every %d seconds", |
| 0 | 382 self.check_interval) |
| 383 last_check = -1 | |
| 384 while 1: | |
| 385 now = time.time() | |
| 386 if now > last_check + self.check_interval: | |
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387 self.check_package_lines() |
| 0 | 388 last_check = now |
| 389 next_check = now + self.check_interval | |
| 390 to_sleep = next_check - time.time() | |
| 391 if to_sleep > 0: | |
| 392 logging.info("Next check at %s", | |
| 393 time.strftime("%Y-%m-%d %H:%M:%S", | |
| 394 time.localtime(next_check))) | |
| 395 time.sleep(to_sleep) | |
| 396 else: | |
| 397 logging.info("Next check now") | |
| 398 | |
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399 def check_package_lines(self): |
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400 logging.info("Checking package lines") |
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401 for line in self.package_lines: |
| 0 | 402 try: |
| 403 packager = line.package_if_updated() | |
| 404 if packager: | |
| 405 packager.package() | |
| 406 except: | |
| 407 logging.exception("An error occurred while" | |
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408 " checking packager line %r", line.name) |
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409 logging.info("Checked all package lines") |
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410 |
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411 def get_package_lines(self): |
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412 return self.package_lines |