Mercurial > hg > carton
annotate carton.py @ 27:dace84448c25
carry carton along with carton
| author | Jeff Hammel <jhammel@mozilla.com> |
|---|---|
| date | Sun, 10 Jul 2011 18:48:30 -0700 |
| parents | e6ee0410ceef |
| children | dabf5e1bdf92 |
| rev | line source |
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| 0 | 1 #!/usr/bin/env python |
| 2 | |
| 3 """ | |
| 4 make a self-extracting virtualenv from directories or URLs | |
| 5 of packages | |
| 6 | |
| 7 To package up all files in a virtualenvs source directory (e.g.): | |
| 8 | |
| 9 python path/to/carton.py mozmill mozmill/src/* | |
| 10 | |
| 11 This will create a self-extracting file, `mozmill.py`, that will unfold | |
| 12 a virtualenv | |
| 13 """ | |
| 14 | |
| 15 # imports | |
| 16 import os | |
| 17 import sys | |
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18 import subprocess |
| 0 | 19 import tarfile |
| 20 import tempfile | |
| 21 import urllib2 | |
| 22 from optparse import OptionParser | |
| 23 from StringIO import StringIO | |
| 24 | |
| 25 # global variables | |
| 26 usage = "%prog [options] environment_name directory|url [...]" | |
| 27 virtualenv_url = 'http://pypi.python.org/packages/source/v/virtualenv/virtualenv-1.6.1.tar.gz' | |
| 28 template = """#!/usr/bin/env python | |
| 29 | |
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30 "create a virtualenv at %(ENV)s" |
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31 |
| 0 | 32 import os |
| 33 import shutil | |
| 34 import subprocess | |
| 35 import sys | |
| 36 import tarfile | |
| 37 import tempfile | |
| 38 from optparse import OptionParser | |
| 39 from StringIO import StringIO | |
| 40 | |
| 41 try: | |
| 42 call = subprocess.check_call | |
| 43 except AttributeError: | |
| 44 # old python; boo :( | |
| 45 call = subprocess.call | |
| 46 | |
| 47 # virtualenv name | |
| 48 ENV='''%(ENV)s''' | |
| 49 | |
| 50 # packed files | |
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51 VIRTUAL_ENV='''%(VIRTUAL_ENV)s'''.decode('base64').decode('zlib') |
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52 PACKAGE_SOURCES=%(PACKAGE_SOURCES)s |
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53 CARTON=%(CARTON)s |
| 0 | 54 |
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55 # parse options |
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56 usage = os.path.basename(sys.argv[0]) + ' [options]' |
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57 parser = OptionParser(usage=usage, description=__doc__) |
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58 parser.add_option('--env', dest='env', help="environment name [DEFAULT: " + ENV + "]") |
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59 options, args = parser.parse_args() |
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60 if options.env: |
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61 ENV = options.env |
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62 |
| 0 | 63 # unpack virtualenv |
| 64 tempdir = tempfile.mkdtemp() | |
| 65 buffer = StringIO() | |
| 66 buffer.write(VIRTUAL_ENV) | |
| 67 buffer.seek(0) | |
| 68 tf = tarfile.open(mode='r', fileobj=buffer) | |
| 69 tf.extractall(tempdir) | |
| 70 | |
| 71 # find the virtualenv | |
| 72 for root, dirs, files in os.walk(tempdir): | |
| 73 if 'virtualenv.py' in files: | |
| 74 virtualenv = os.path.join(root, 'virtualenv.py') | |
| 75 break | |
| 76 else: | |
| 77 raise Exception("virtualenv.py not found in " + tempdir) | |
| 78 | |
| 79 # create the virtualenv | |
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80 os.environ.pop('PYTHONHOME', None) |
| 0 | 81 call([sys.executable, virtualenv, ENV]) |
| 82 | |
| 83 # find the bin/scripts directory | |
| 84 for i in ('bin', 'Scripts'): | |
| 85 scripts_dir = os.path.abspath(os.path.join(ENV, i)) | |
| 86 if os.path.exists(scripts_dir): | |
| 87 break | |
| 88 else: | |
| 89 raise Exception("Scripts directory not found in " + ENV) | |
| 90 | |
| 91 # find the virtualenv's python | |
| 92 for i in ('python', 'python.exe'): | |
| 93 python = os.path.join(scripts_dir, i) | |
| 94 if os.path.exists(python): | |
| 95 break | |
| 96 else: | |
| 97 raise Exception("python not found in " + scripts_dir) | |
| 98 | |
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99 # unpack the sources and setup for development |
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100 srcdir = os.path.join(ENV, 'src') |
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101 os.mkdir(srcdir) |
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102 setup_pys = set() |
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103 for source in PACKAGE_SOURCES: |
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104 source = source.decode('base64').decode('zlib') |
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105 buffer = StringIO() |
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106 buffer.write(source) |
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107 buffer.seek(0) |
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108 tf = tarfile.open(mode='r', fileobj=buffer) |
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109 tf.extractall(srcdir) |
| 0 | 110 |
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111 # setup sources for development if there are any new setup.py files |
| 16 | 112 # TODO: ideally this would figure out dependency order for you |
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113 for i in os.listdir(srcdir): |
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114 if i in setup_pys: |
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115 continue |
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116 subdir = os.path.join(srcdir, i) |
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117 if os.path.exists(os.path.join(srcdir, i, 'setup.py')): |
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118 call([python, 'setup.py', 'develop'], cwd=subdir) |
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119 setup_pys.add(i) |
| 0 | 120 |
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121 # add virtualenv to the virtualenv (!) |
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122 virtualenv_dir = os.path.dirname(virtualenv) |
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123 if os.path.exists(os.path.join(virtualenv_dir, 'setup.py')): |
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124 call([python, 'setup.py', 'install'], cwd=virtualenv_dir, stdout=subprocess.PIPE) |
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125 |
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126 |
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127 # add carton to the virtualenv (!) |
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128 if CARTON: |
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129 CARTON = CARTON.decode('base64').decode('zlib') |
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130 carton_filename = os.path.join(scripts_dir, 'carton.py') |
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131 f = file(carton_filename, 'w') |
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132 f.write(CARTON) |
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133 f.close() |
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134 try: |
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135 os.chmod(carton_filename, 0755) |
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136 except: |
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137 # you probably don't have os.chmod |
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138 pass |
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139 |
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140 # TODO: cleanup tempdir |
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141 # shutil.rmtree(tempdir) |
| 0 | 142 """ |
| 143 | |
| 144 def isURL(path): | |
| 145 return path.startswith('http://') or path.startswith('https://') | |
| 146 | |
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147 try: |
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148 call = subprocess.check_call |
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149 except AttributeError: |
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150 # old python; boo :( |
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151 call = subprocess.call |
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152 |
| 0 | 153 def main(args=sys.argv[1:]): |
| 154 | |
| 155 # parse CLI arguments | |
| 156 parser = OptionParser(usage=usage, description=__doc__) | |
| 157 parser.add_option('-o', dest='outfile', | |
| 158 help="specify outfile; otherwise it will come from environment_name") | |
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159 parser.add_option('-p', '--package', dest='package', |
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160 action='store_true', default=False, |
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161 help="create python packages from sources; do not take entire subdirectory") |
| 0 | 162 parser.add_option('--virtualenv', dest='virtualenv', |
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163 help="use this virtualenv URL or file tarball") |
| 0 | 164 options, args = parser.parse_args(args) |
| 165 if len(args) < 2: | |
| 166 parser.print_usage() | |
| 167 parser.exit() | |
| 168 environment = args[0] | |
| 169 if environment.endswith('.py'): | |
| 170 # stop on .py; will add it in later | |
| 171 environment = environment[:-3] | |
| 172 sources = args[1:] | |
| 173 | |
| 174 # tar up the sources | |
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175 source_array = [] |
| 0 | 176 for source in sources: |
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177 buffer = None |
| 0 | 178 |
| 179 if isURL(source): | |
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180 # remote tarball or resource |
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181 buffer = urllib2.urlopen(source).read() |
| 0 | 182 else: |
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183 # local directory or tarball |
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184 assert os.path.exists(source), "%s does not exist" % source |
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185 |
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186 # package up the source if applicable |
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187 if options.package and os.path.exists(os.path.join(source, 'setup.py')): |
| 24 | 188 |
| 189 # create a .tar.gz package | |
| 190 call([sys.executable, 'setup.py', 'sdist'], cwd=source, stdout=subprocess.PIPE) | |
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191 dist_dir = os.path.join(source, 'dist') |
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192 assert os.path.isdir(dist_dir), "dist directory not created in %s" % source |
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193 tarfiles = [i for i in os.listdir(dist_dir) |
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194 if i.endswith('.tar.gz')] |
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195 assert tarfiles, "no .tar.gz files found in %s" % dist_dir |
| 24 | 196 |
| 197 # use the last modified tarball | |
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198 def last_modified(filename): |
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199 return os.path.getmtime(os.path.join(dist_dir, filename)) |
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200 tarfiles.sort(key=last_modified) |
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201 source = os.path.join(dist_dir, tarfiles[-1]) |
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202 |
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203 if (not os.path.isdir(source)) and tarfile.is_tarfile(source): |
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204 # check for a tarball |
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205 buffer = file(source).read() |
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206 else: |
| 24 | 207 # add other sources (files and directories) to the archive |
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208 source_buffer = StringIO() |
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209 source_tar = tarfile.open(mode="w:gz", fileobj=source_buffer) |
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210 source_tar.add(source, arcname=os.path.basename(source.rstrip(os.path.sep))) |
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211 source_tar.close() |
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212 buffer = source_buffer.getvalue() |
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213 |
| 0 | 214 # could use git, hg, etc repos. but probably shouldn't |
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215 |
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216 source_array.append(buffer.encode('zlib').encode('base64')) |
| 0 | 217 |
| 218 # tar up virtualenv if not available | |
| 219 if options.virtualenv: | |
| 220 if isURL(options.virtualenv): | |
| 221 globals()['VIRTUAL_ENV'] = urllib2.urlopen(options.virtualenv).read() | |
| 222 else: | |
| 223 assert os.path.exists(options.virtualenv) | |
| 224 if os.path.isdir(options.virtualenv): | |
| 225 raise NotImplementedError("Hypothetically you should be able to use a local directory or tarball, but I haven't done this yet") | |
| 226 else: | |
| 227 # assert a tarfile | |
| 228 assert tarfile.is_tarfile(options.virtualenv), "%s must be a tar file" % options.virtualenv | |
| 229 globals()['VIRTUAL_ENV'] = file(options.virtualenv).read() | |
| 230 else: | |
| 231 globals()['VIRTUAL_ENV'] = urllib2.urlopen(virtualenv_url).read() | |
| 232 # TODO: used the below hashed value of VIRTUAL_ENV if set | |
| 233 # (set that with another file) | |
| 234 | |
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235 # get the contents of this file |
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236 carton = None |
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237 try: |
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238 if __file__: |
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239 filename = __file__.rstrip('c') # avoid pyfiles |
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240 if os.path.exists(filename): |
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241 carton = file(filename).read().encode('zlib').encode('base64') |
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242 except NameError: |
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243 pass |
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244 |
| 0 | 245 # interpolate "template" -> output |
| 246 outfile = options.outfile | |
| 247 if outfile is None: | |
| 248 outfile = environment + '.py' | |
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249 variables = {'VIRTUAL_ENV': VIRTUAL_ENV.encode('zlib').encode('base64'), |
| 0 | 250 'ENV': environment, |
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251 'CARTON': repr(carton), |
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252 'PACKAGE_SOURCES': repr(source_array)} |
| 0 | 253 f = file(outfile, 'w') |
| 254 f.write(template % variables) | |
| 255 f.close() | |
| 256 try: | |
| 257 os.chmod(outfile, 0755) | |
| 258 except: | |
| 259 # you probably don't have os.chmod | |
| 260 pass | |
| 261 | |
| 262 VIRTUAL_ENV = """""" | |
| 263 | |
| 264 if __name__ == '__main__': | |
| 265 main() |