Mercurial > treepkg > treepkg
annotate treepkg/packager.py @ 172:06af36f915f2
Move the filenameproperty factory from treepkg/packager.py to
treepkg/util.py
author | Bernhard Herzog <bh@intevation.de> |
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date | Mon, 23 Jun 2008 19:26:21 +0000 |
parents | be07b88b44ea |
children | 7bde59aa611e |
rev | line source |
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1 # Copyright (C) 2007, 2008 by Intevation GmbH |
0 | 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 | |
16
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15 import datetime |
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16 import new |
0 | 17 |
18 import util | |
19 import subversion | |
20 import run | |
16
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21 import status |
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22 import debian |
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23 from cmdexpand import cmdexpand |
112
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24 from builder import PBuilder |
0 | 25 |
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26 def _fromparent(attr): |
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27 """Creates a property that delegates its value to self.parent.<attr>""" |
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28 def get(self): |
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29 return getattr(self.parent, attr) |
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30 return property(get) |
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31 |
0 | 32 |
33 class SourcePackager(object): | |
34 | |
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35 # Derived classes must supply the package basename |
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36 pkg_basename = None |
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37 |
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38 track = _fromparent("track") |
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39 revision = _fromparent("revision") |
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40 status = _fromparent("status") |
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41 log_dir = _fromparent("log_dir") |
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42 work_dir = _fromparent("work_dir") |
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43 src_dir = _fromparent("src_dir") |
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44 |
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45 def __init__(self, parent): |
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46 self.parent = parent |
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47 assert(self.pkg_basename) |
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49 def determine_package_version(self, directory): | |
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50 """Returns the version number of the new package as a string |
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51 |
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52 The directory parameter is the name of the directory containing |
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53 the newly exported sources. The sources were exported with the |
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54 export_sources method. |
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55 |
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56 The default implementation simply returns the revision converted |
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57 to a string. |
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58 """ |
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59 return str(self.revision) |
0 | 60 |
61 def export_sources(self): | |
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62 """Export the sources from the subversion working directory |
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63 |
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64 This method first exports the sources to a temporary directory |
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65 and then renames the directory. The new name is of the form |
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66 |
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67 <pkg_basename>-<version> |
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68 |
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69 Where pkg_basename is the value of self.pkg_basename and version |
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70 is the return value of the determine_package_version() method. |
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71 """ |
0 | 72 temp_dir = os.path.join(self.work_dir, "temp") |
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73 self.track.export_sources(temp_dir) |
0 | 74 |
75 pkgbaseversion = self.determine_package_version(temp_dir) | |
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76 pkgbasedir = os.path.join(self.work_dir, |
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77 self.pkg_basename + "-" + pkgbaseversion) |
0 | 78 |
79 os.rename(temp_dir, pkgbasedir) | |
80 return pkgbaseversion, pkgbasedir | |
81 | |
82 | |
83 def update_version_numbers(self, pkgbasedir): | |
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84 """Updates the version numbers in the code in pkgbasedir. |
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85 |
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86 The default implementation does nothing. Derived classes should |
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87 override this method if necessary. |
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88 """ |
0 | 89 |
90 def create_tarball(self, tarballname, workdir, basedir): | |
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91 """Creates a new tarball. |
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92 |
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93 Parameters: |
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94 |
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95 tarballname -- the filename of the new tarball |
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96 workdir -- The directory into which to change before running tar. |
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97 (actually this is done with GNUI tar's -C option) |
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98 basedir -- The basedirectory of the files that are packaged |
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99 into the tarfile. This should be a relative |
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100 filename directly in workdir. |
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101 """ |
0 | 102 logging.info("Creating tarball %r", tarballname) |
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103 run.call(cmdexpand("tar czf $tarballname -C $workdir $basedir", |
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104 **locals())) |
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106 def copy_debian_directory(self, pkgbasedir, pkgbaseversion, changemsg): | |
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107 """Copies the debian directory and updates the copy's changelog |
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108 |
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109 Parameter: |
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110 pkgbasedir -- The directory holding the unpacked source package |
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111 pkgbaseversion -- The version to update the changelog to |
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112 changemsg -- The message for the changelog |
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113 |
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114 When determining the actual version for the new package, this |
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115 function looks at the previous version in the changelog. If it |
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116 has a prefix separated from the version number by a colon this |
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117 prefix is prepended to the pkgbaseversion parameter. Debian |
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118 uses such prefixes for the kde packages. |
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119 """ |
0 | 120 debian_dir = os.path.join(pkgbasedir, "debian") |
121 changelog = os.path.join(debian_dir, "changelog") | |
122 | |
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123 self.track.copy_debian_directory(debian_dir) |
0 | 124 |
125 logging.info("Updating %r", changelog) | |
126 oldversion = util.debian_changelog_version(changelog) | |
127 if ":" in oldversion: | |
128 oldversionprefix = oldversion.split(":")[0] + ":" | |
129 else: | |
130 oldversionprefix = "" | |
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131 debrev = self.track.debrevision_prefix + "1" |
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132 run.call(cmdexpand("debchange -c $changelog" |
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133 " -v ${oldversionprefix}${pkgbaseversion}-${debrev}" |
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134 " $changemsg", **locals()), |
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135 env=self.track.debian_environment()) |
0 | 136 |
137 | |
138 def create_source_package(self, pkgbasedir, origtargz): | |
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139 """Creates a new source package from pkgbasedir and origtargz""" |
0 | 140 logging.info("Creating new source package") |
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141 run.call(cmdexpand("dpkg-source -b $directory $tarball", |
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142 directory=os.path.basename(pkgbasedir), |
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143 tarball=os.path.basename(origtargz)), |
0 | 144 cwd=os.path.dirname(pkgbasedir), |
145 suppress_output=True, | |
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146 env=self.track.debian_environment()) |
0 | 147 |
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148 def move_source_package(self, pkgbasename): |
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149 """Moves the new source package from the work_dir to the src_dir""" |
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150 logging.info("Moving source package to %r", self.src_dir) |
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151 util.ensure_directory(self.src_dir) |
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152 for filename in [filename for filename in os.listdir(self.work_dir) |
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153 if filename.startswith(pkgbasename)]: |
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154 os.rename(os.path.join(self.work_dir, filename), |
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155 os.path.join(self.src_dir, filename)) |
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156 |
0 | 157 def package(self): |
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158 """Creates a source package from a subversion checkout. |
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159 |
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160 After setting up the working directory, this method calls the |
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161 do_package method to do the actual packaging. Afterwards the |
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162 work directory is removed. |
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163 """ |
0 | 164 util.ensure_directory(self.work_dir) |
165 try: | |
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166 self.status.creating_source_package() |
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167 self.do_package() |
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168 self.status.source_package_created() |
0 | 169 finally: |
170 logging.info("Removing workdir %r", self.work_dir) | |
171 shutil.rmtree(self.work_dir) | |
172 | |
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173 def do_package(self): |
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174 """Does the work of creating a source package |
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175 This method must be overriden by derived classes. |
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176 |
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177 The method should do the work in self.work_dir. When the |
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178 package is done, the source package files should be in |
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179 self.src_dir. |
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180 """ |
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181 raise NotImplementedError |
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182 |
0 | 183 |
184 class BinaryPackager(object): | |
185 | |
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186 track = _fromparent("track") |
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187 status = _fromparent("status") |
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188 log_dir = _fromparent("log_dir") |
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189 binary_dir = _fromparent("binary_dir") |
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190 |
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191 def __init__(self, parent, dsc_file, logfile): |
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192 self.parent = parent |
0 | 193 self.dsc_file = dsc_file |
194 self.logfile = logfile | |
195 | |
196 def package(self): | |
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197 self.status.creating_binary_package() |
0 | 198 util.ensure_directory(self.binary_dir) |
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199 util.ensure_directory(self.log_dir) |
54 | 200 logging.info("Building binary package; logging to %r", self.logfile) |
112
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201 self.track.builder.build(self.dsc_file, self.binary_dir, self.logfile) |
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202 self.status.binary_package_created() |
0 | 203 |
204 | |
205 class RevisionPackager(object): | |
206 | |
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207 source_packager_cls = SourcePackager |
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208 binary_packager_cls = BinaryPackager |
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209 |
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210 def __init__(self, track, revision): |
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211 self.track = track |
0 | 212 self.revision = revision |
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213 self.base_dir = self.track.pkg_dir_for_revision(self.revision, 1) |
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214 self.status = status.RevisionStatus(os.path.join(self.base_dir, |
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215 "status")) |
0 | 216 |
172
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217 log_dir = util.filenameproperty("log") |
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218 work_dir = util.filenameproperty("work") |
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219 binary_dir = util.filenameproperty("binary") |
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220 src_dir = util.filenameproperty("src") |
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221 build_log = util.filenameproperty("build_log.txt", dir_attr="log_dir") |
0 | 222 |
223 def find_dsc_file(self): | |
224 for filename in os.listdir(self.src_dir): | |
225 if filename.endswith(".dsc"): | |
226 return os.path.join(self.src_dir, filename) | |
227 return None | |
228 | |
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229 def has_build_log(self): |
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230 return os.path.exists(self.build_log) |
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231 |
140
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232 def list_log_files(self): |
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233 """Returns a list describing the logfiles available for the revision. |
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234 Each list item is a tuple of the form (TITLE, FILENAME) where |
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235 TITLE is a string with a title usable in e. g. a web-page, and |
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236 FILENAME is the absolute filename of the log file. |
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237 """ |
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238 files = [] |
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239 if self.has_build_log(): |
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240 files.append(("build log", self.build_log)) |
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241 return files |
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242 |
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243 def list_source_files(self): |
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244 """Returns a list with the names of the files of the source package. |
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245 The implementation assumes that all files in self.src_dir belong |
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246 to the source package. |
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247 """ |
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248 return sorted(util.listdir_abs(self.src_dir)) |
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249 |
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250 def list_binary_files(self): |
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251 """Returns a list with the names of the files of the binary packages. |
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252 The implementation assumes that all files in self.binary_dir belong |
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253 to the binary packages. |
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254 """ |
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255 return sorted(util.listdir_abs(self.binary_dir)) |
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256 |
0 | 257 def package(self): |
258 try: | |
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259 util.ensure_directory(self.work_dir) |
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260 self.status.start = datetime.datetime.utcnow() |
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261 src_packager = self.source_packager_cls(self) |
0 | 262 src_packager.package() |
263 | |
264 dsc_file = self.find_dsc_file() | |
265 if dsc_file is None: | |
266 raise RuntimeError("Cannot find dsc File in %r" % self.src_dir) | |
267 | |
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268 bin_packager = self.binary_packager_cls(self, dsc_file, |
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269 self.build_log) |
0 | 270 bin_packager.package() |
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271 self.status.stop = datetime.datetime.utcnow() |
0 | 272 except: |
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273 self.status.error() |
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274 self.status.stop = datetime.datetime.utcnow() |
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275 # set the notification status last to avoid race conditions. |
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276 # The pending notification is for now the only situation |
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277 # where another process might modify the status file (the |
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278 # listpendingnotifications program will set it to |
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279 # "notification_sent") |
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280 self.status.notification_pending() |
0 | 281 raise |
282 | |
283 def remove_package_dir(self): | |
284 logging.info("Removing pkgdir %r", self.base_dir) | |
285 shutil.rmtree(self.base_dir) | |
286 | |
287 | |
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288 class PackageTrack(object): |
0 | 289 |
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290 revision_packager_cls = RevisionPackager |
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291 |
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292 svn_external_subdirs = [] |
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293 |
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294 extra_config_desc = [] |
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295 |
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296 def __init__(self, name, base_dir, svn_url, root_cmd, pbuilderrc, deb_email, |
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297 deb_fullname, packager_class="treepkg.packager", |
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298 debrevision_prefix="treepkg", handle_dependencies=False, |
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299 signing_key_id=""): |
0 | 300 self.name = name |
301 self.base_dir = base_dir | |
302 self.svn_url = svn_url | |
112
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303 self.builder = PBuilder(pbuilderrc, root_cmd) |
0 | 304 self.deb_email = deb_email |
305 self.deb_fullname = deb_fullname | |
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306 self.debrevision_prefix = debrevision_prefix |
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307 self.signing_key_id = signing_key_id |
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308 self.handle_dependencies = handle_dependencies |
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309 self.dependencies = None |
0 | 310 self.pkg_dir_template = "%(revision)d-%(increment)d" |
311 self.pkg_dir_regex \ | |
312 = re.compile(r"(?P<revision>[0-9]+)-(?P<increment>[0-9]+)$") | |
313 | |
172
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314 checkout_dir = util.filenameproperty("checkout") |
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315 debian_dir = util.filenameproperty("debian") |
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316 pkg_dir = util.filenameproperty("pkg") |
0 | 317 |
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318 def init_treepkg(self): |
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319 print "Initializing", self.name |
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320 if not os.path.exists(self.base_dir): |
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321 print "creating %s" % (self.base_dir,) |
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322 util.ensure_directory(self.base_dir) |
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323 if not os.path.exists(self.debian_dir): |
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324 print ("TODO: the debian directory %s still has to be created" |
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325 % (self.debian_dir,)) |
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326 |
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327 def determine_dependencies(self): |
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328 if self.dependencies is not None: |
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329 return |
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330 |
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331 requires = () |
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332 provides = () |
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333 # only try to parse the control file if the debian directory |
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334 # exists. If the debian directory doesn't exist yet, the tree |
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335 # packager is likely still being configured and this code may be |
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336 # run indirectly from e. g. bin/inittreepkg.py in which case the |
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337 # init_treepkg method will report the missing debian |
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338 if self.handle_dependencies and os.path.exists(self.debian_dir): |
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339 control = debian.DebianControlFile(os.path.join(self.debian_dir, |
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340 "control")) |
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341 requires = control.build_depends |
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342 provides = (pkg[0] for pkg in control.packages) |
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343 self.dependencies = (set(requires), set(provides)) |
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344 logging.debug("Track %s: build depends: %s", self.name, |
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345 " ".join(self.dependencies[0])) |
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346 logging.debug("Track %s: provides: %s", self.name, |
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347 " ".join(self.dependencies[1])) |
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348 |
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349 def dependencies_required(self): |
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350 """Returns a list of required packages""" |
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351 self.determine_dependencies() |
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352 return self.dependencies[0] |
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353 |
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354 def dependencies_provided(self): |
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355 """Returns a list of provided packages""" |
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356 self.determine_dependencies() |
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357 return self.dependencies[1] |
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358 |
0 | 359 def pkg_dir_for_revision(self, revision, increment): |
360 return os.path.join(self.pkg_dir, | |
361 self.pkg_dir_template % locals()) | |
362 | |
363 def last_changed_revision(self): | |
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364 revisions = [] |
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365 for directory in [self.checkout_dir] + self.svn_external_subdirs: |
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366 directory = os.path.join(self.checkout_dir, directory) |
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367 revisions.append(subversion.last_changed_revision(directory)) |
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368 return max(revisions) |
0 | 369 |
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370 def get_revision_numbers(self): |
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371 """Returns a list of the numbers of the packaged revisions""" |
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372 revisions = [] |
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373 if os.path.exists(self.pkg_dir): |
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374 for filename in os.listdir(self.pkg_dir): |
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375 match = self.pkg_dir_regex.match(filename) |
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376 if match: |
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377 revisions.append(int(match.group("revision"))) |
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378 revisions.sort() |
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379 return revisions |
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380 |
0 | 381 def last_packaged_revision(self): |
382 """Returns the revision number of the highest packaged revision. | |
383 | |
384 If the revision cannot be determined because no already packaged | |
385 revisions can be found, the function returns -1. | |
386 """ | |
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387 return max([-1] + self.get_revision_numbers()) |
0 | 388 |
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389 def update_checkout(self, revision=None): |
0 | 390 """Updates the working copy of self.svn_url in self.checkout_dir. |
391 | |
392 If self.checkout_dir doesn't exist yet, self.svn_url is checked | |
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393 out into that directory. The value of the revision parameter is |
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394 passed through to subversion.update. |
0 | 395 """ |
396 localdir = self.checkout_dir | |
397 if os.path.exists(localdir): | |
398 logging.info("Updating the working copy in %r", localdir) | |
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399 subversion.update(localdir, revision=revision) |
0 | 400 else: |
401 logging.info("The working copy in %r doesn't exist yet." | |
26 | 402 " Checking out from %r", localdir, |
0 | 403 self.svn_url) |
404 subversion.checkout(self.svn_url, localdir) | |
405 | |
406 def export_sources(self, to_dir): | |
407 logging.info("Exporting sources for tarball to %r", to_dir) | |
408 subversion.export(self.checkout_dir, to_dir) | |
409 # some versions of svn (notably version 1.4.2 shipped with etch) | |
410 # do export externals such as the admin subdirectory. We may | |
411 # have to do that in an extra step. | |
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412 for subdir in self.svn_external_subdirs: |
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413 absdir = os.path.join(to_dir, subdir) |
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414 if not os.path.isdir(absdir): |
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415 subversion.export(os.path.join(self.checkout_dir, subdir), |
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416 absdir) |
0 | 417 |
418 def copy_debian_directory(self, to_dir): | |
419 logging.info("Copying debian directory to %r", to_dir) | |
420 shutil.copytree(self.debian_dir, to_dir) | |
421 | |
422 def debian_environment(self): | |
423 """Returns the environment variables for the debian commands""" | |
424 env = os.environ.copy() | |
425 env["DEBFULLNAME"] = self.deb_fullname | |
426 env["DEBEMAIL"] = self.deb_email | |
427 return env | |
428 | |
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429 def package_if_updated(self, revision=None): |
0 | 430 """Checks if the checkout changed and returns a new packager if so""" |
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431 self.update_checkout(revision=revision) |
0 | 432 current_revision = self.last_changed_revision() |
433 logging.info("New revision is %d", current_revision) | |
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434 if current_revision not in self.get_revision_numbers(): |
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435 logging.info("Revision %d has not been packaged yet", |
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436 current_revision) |
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437 return self.revision_packager_cls(self, current_revision) |
0 | 438 else: |
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439 logging.info("Revision %d has already been packaged.", |
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440 current_revision) |
0 | 441 |
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442 def get_revisions(self): |
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443 """Returns RevisionPackager objects for each packaged revision""" |
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444 return [self.revision_packager_cls(self, revision) |
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445 for revision in self.get_revision_numbers()] |
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446 |
0 | 447 |
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448 def import_packager_module(packager_class): |
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449 """Import the packager module named by packager_class. |
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450 |
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451 The packager_class must be the full absolute module name for the |
125
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452 packager. The function tries to find or create a suitable |
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453 PackageTrack class from this module using the following rules: |
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454 |
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455 - If the module contains a class called PackageTrack, use that. |
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456 |
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457 - Otherwise create one using the module's RevisionPackager class, |
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458 creating RevisionPackager if necessary. |
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459 |
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460 - If RevisionPackager needs to be created, it uses the module's |
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461 SourcePackager as source_packager_cls and if present also the |
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462 module's BinaryPackager as binary_packager_cls. If the module |
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463 does not have a BinaryPackager, the default BinaryPackager is |
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464 used. |
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465 """ |
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466 module = util.import_dotted_name(packager_class) |
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467 if not hasattr(module, "PackageTrack"): |
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468 if not hasattr(module, "RevisionPackager"): |
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469 binary_packager = getattr(module, "BinaryPackager", BinaryPackager) |
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470 module.RevisionPackager \ |
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471 = new.classobj("RevisionPackager", (RevisionPackager,), |
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472 dict(source_packager_cls=module.SourcePackager, |
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473 binary_packager_cls=binary_packager)) |
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474 module.PackageTrack \ |
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475 = new.classobj("PackageTrack", (PackageTrack,), |
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476 dict(revision_packager_cls=module.RevisionPackager)) |
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477 return module |
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478 |
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479 def create_package_track(packager_class, **kw): |
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480 module = import_packager_module(packager_class) |
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481 return module.PackageTrack(**kw) |
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482 |
0 | 483 |
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484 class CyclicDependencyError(Exception): |
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485 |
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486 """Exception thrown when a cycle is detected in the track dependencies""" |
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487 |
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488 def __init__(self, tracks): |
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489 Exception.__init__(self, |
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490 "Cyclic dependencies between" " tracks (%s)" |
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491 % ", ".join([track.name for track in tracks])) |
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492 |
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493 |
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494 class PackagerGroup(object): |
0 | 495 |
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496 def __init__(self, package_tracks, check_interval, revision=None, |
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497 instructions_file=None): |
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498 self.package_tracks = package_tracks |
0 | 499 self.check_interval = check_interval |
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500 self.revision = revision |
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501 self.instructions_file = instructions_file |
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502 self.instructions_file_removed = False |
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503 self.sort_tracks() |
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504 |
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505 def sort_tracks(self): |
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506 """Sorts tracks for dependency handling""" |
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507 todo = self.package_tracks[:] |
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508 sorted = [] |
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509 seen = set() |
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510 |
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511 # dependencies that can be solved by one of the tracks |
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512 known = set() |
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513 for track in todo: |
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514 known |= track.dependencies_provided() |
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515 |
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516 while todo: |
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517 todo_again = [] |
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518 for track in todo: |
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519 if not track.handle_dependencies: |
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520 sorted.append(track) |
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521 continue |
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522 |
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523 unmet = (track.dependencies_required() & known) - seen |
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524 if unmet: |
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525 todo_again.append(track) |
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526 else: |
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527 sorted.append(track) |
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528 seen |= track.dependencies_provided() |
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529 if todo_again == todo: |
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530 raise CyclicDependencyError(todo) |
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531 todo = todo_again |
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532 |
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533 self.package_tracks = sorted |
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534 self.needed_binaries = set() |
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535 for track in self.package_tracks: |
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536 self.needed_binaries |= track.dependencies_required() |
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537 self.needed_binaries &= known |
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538 |
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539 logging.info("sorted track order: %s", |
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540 " ".join(track.name for track in sorted)) |
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541 logging.info("binary packages needed as build dependencies: %s", |
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542 " ".join(self.needed_binaries)) |
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543 |
0 | 544 |
545 def run(self): | |
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546 """Runs the packager group indefinitely""" |
78
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547 logging.info("Starting in periodic check mode." |
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548 " Will check every %d seconds", self.check_interval) |
0 | 549 last_check = -1 |
550 while 1: | |
551 now = time.time() | |
552 if now > last_check + self.check_interval: | |
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553 if self.check_package_tracks(): |
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554 break |
0 | 555 last_check = now |
556 next_check = now + self.check_interval | |
557 to_sleep = next_check - time.time() | |
558 if to_sleep > 0: | |
559 logging.info("Next check at %s", | |
560 time.strftime("%Y-%m-%d %H:%M:%S", | |
561 time.localtime(next_check))) | |
562 time.sleep(to_sleep) | |
563 else: | |
564 logging.info("Next check now") | |
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565 if self.should_stop(): |
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566 logging.info("Received stop instruction. Stopping.") |
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567 return |
0 | 568 |
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569 def check_package_tracks(self): |
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570 logging.info("Checking package tracks") |
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571 self.clear_instruction() |
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572 repeat = True |
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573 while repeat: |
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574 repeat = False |
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575 for track in self.package_tracks: |
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576 try: |
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577 packager = track.package_if_updated(revision=self.revision) |
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578 if packager: |
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579 packager.package() |
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580 repeat = self.install_dependencies(track, packager) |
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581 if self.should_stop(): |
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582 logging.info("Received stop instruction. Stopping.") |
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583 return True |
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584 except: |
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585 logging.exception("An error occurred while" |
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586 " checking packager track %r", track.name) |
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587 if repeat: |
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588 logging.info("Built binaries needed by other tracks." |
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589 " Starting over to ensure all dependencies" |
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590 " are met") |
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591 break |
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592 |
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593 logging.info("Checked all package tracks") |
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594 |
128
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595 |
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596 def install_dependencies(self, track, packager): |
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597 """Add the binaries built by packager to the builder, if necessary. |
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598 It is necessary if any track depends on the packages. The |
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599 method simply installs all binary files built by the packger |
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600 instead of only those which are immediately required by a track. |
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601 This is done because tracks usually depend directly only on the |
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602 -dev packages which usually require another binary package built |
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603 at the same time. |
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604 """ |
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605 if (track.handle_dependencies |
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606 and track.dependencies_provided() & self.needed_binaries): |
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607 # FIXME: this basically assumes that all tracks use the same |
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608 # builder. This is true for now, but it is possible to |
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609 # configure treepkg with different builders for different |
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610 # tracks and we really should be installing the newly built |
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611 # binaries into the builder of the tracks which depends on |
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612 # them |
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613 binaries = packager.list_binary_files() |
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614 track.builder.add_binaries_to_extra_pkg(binaries) |
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615 return True |
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616 return False |
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617 |
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618 |
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619 def get_package_tracks(self): |
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620 return self.package_tracks |
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621 |
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622 def read_instruction(self): |
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623 if not self.instructions_file: |
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624 return "" |
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625 try: |
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626 f = open(self.instructions_file) |
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627 except (IOError, OSError): |
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628 return "" |
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629 try: |
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630 return f.read().strip() |
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Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
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631 finally: |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
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632 f.close() |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
|
633 self.clear_instruction() |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
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634 |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
|
635 def clear_instruction(self, force=False): |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
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636 if self.instructions_file and (not self.instructions_file_removed |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
|
637 or force): |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
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638 util.writefile(self.instructions_file, "") |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
|
639 self.instructions_file_removed = True |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
|
640 |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
|
641 def should_stop(self): |
3ed079a7174a
Implement a way to stop a running treepackager.
Bernhard Herzog <bh@intevation.de>
parents:
90
diff
changeset
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642 return self.read_instruction() == "stop" |