setuptools-0.6c16dev3.egg/setuptools/command/develop.py

   1 from setuptools.command.easy_install import easy_install
   2 from distutils.util import convert_path
   3 from pkg_resources import Distribution, PathMetadata, normalize_path
   4 from distutils import log
   5 from distutils.errors import *
   6 import sys, os, setuptools, glob
   7
   8 class develop(easy_install):
   9     """Set up package for development"""
  10
  11     description = "install package in 'development mode'"
  12
  13     user_options = easy_install.user_options + [
  14         ("uninstall", "u", "Uninstall this source package"),
  15         ("egg-path=", None, "Set the path to be used in the .egg-link file"),
  16     ]
  17
  18     boolean_options = easy_install.boolean_options + ['uninstall']
  19
  20     command_consumes_arguments = False  # override base
  21
  22     def run(self):
  23         self.old_run()
  24         if sys.platform == "win32":
  25             from setuptools.command.scriptsetup import do_scriptsetup
  26             do_scriptsetup()
  27
  28     def old_run(self):
  29         if self.uninstall:
  30             self.multi_version = True
  31             self.uninstall_link()
  32         else:
  33             self.install_for_development()
  34         self.warn_deprecated_options()
  35
  36     def initialize_options(self):
  37         self.uninstall = None
  38         self.egg_path = None
  39         easy_install.initialize_options(self)
  40         self.setup_path = None
  41         self.always_copy_from = '.'   # always copy eggs installed in curdir
  42
  43     def finalize_options(self):
  44         ei = self.get_finalized_command("egg_info")
  45         if ei.broken_egg_info:
  46             raise DistutilsError(
  47             "Please rename %r to %r before using 'develop'"
  48             % (ei.egg_info, ei.broken_egg_info)
  49             )
  50         self.args = [ei.egg_name]
  51         easy_install.finalize_options(self)
  52         # pick up setup-dir .egg files only: no .egg-info
  53         self.package_index.scan(glob.glob('*.egg'))
  54
  55         self.egg_link = os.path.join(self.install_dir, ei.egg_name+'.egg-link')
  56         self.egg_base = ei.egg_base
  57         if self.egg_path is None:
  58             self.egg_path = os.path.abspath(ei.egg_base)
  59
  60         target = normalize_path(self.egg_base)
  61         if normalize_path(os.path.join(self.install_dir, self.egg_path)) != target:
  62             raise DistutilsOptionError(
  63                 "--egg-path must be a relative path from the install"
  64                 " directory to "+target
  65         )
  66
  67         # Make a distribution for the package's source
  68         self.dist = Distribution(
  69             target,
  70             PathMetadata(target, os.path.abspath(ei.egg_info)),
  71             project_name = ei.egg_name
  72         )
  73
  74         p = self.egg_base.replace(os.sep,'/')
  75         if p!= os.curdir:
  76             p = '../' * (p.count('/')+1)
  77         self.setup_path = p
  78         p = normalize_path(os.path.join(self.install_dir, self.egg_path, p))
  79         if  p != normalize_path(os.curdir):
  80             raise DistutilsOptionError(
  81                 "Can't get a consistent path to setup script from"
  82                 " installation directory", p, normalize_path(os.curdir))
  83
  84     def install_for_development(self):
  85         # Ensure metadata is up-to-date
  86         self.run_command('egg_info')
  87         # Build extensions in-place
  88         self.reinitialize_command('build_ext', inplace=1)
  89         self.run_command('build_ext')
  90         self.install_site_py()  # ensure that target dir is site-safe
  91         if setuptools.bootstrap_install_from:
  92             self.easy_install(setuptools.bootstrap_install_from)
  93             setuptools.bootstrap_install_from = None
  94
  95         # create an .egg-link in the installation dir, pointing to our egg
  96         log.info("Creating %s (link to %s)", self.egg_link, self.egg_base)
  97         if not self.dry_run:
  98             f = open(self.egg_link,"w")
  99             f.write(self.egg_path + "\n" + self.setup_path)
 100             f.close()
 101         # postprocess the installed distro, fixing up .pth, installing scripts,
 102         # and handling requirements
 103         self.process_distribution(None, self.dist, not self.no_deps)
 104
 105
 106     def uninstall_link(self):
 107         if os.path.exists(self.egg_link):
 108             log.info("Removing %s (link to %s)", self.egg_link, self.egg_base)
 109             contents = [line.rstrip() for line in file(self.egg_link)]
 110             if contents not in ([self.egg_path], [self.egg_path, self.setup_path]):
 111                 log.warn("Link points to %s: uninstall aborted", contents)
 112                 return
 113             if not self.dry_run:
 114                 os.unlink(self.egg_link)
 115         if not self.dry_run:
 116             self.update_pth(self.dist)  # remove any .pth link to us
 117         if self.distribution.scripts:
 118             # XXX should also check for entry point scripts!
 119             log.warn("Note: you must uninstall or replace scripts manually!")
 120
 121
 122
 123
 124
 125     def install_egg_scripts(self, dist):
 126         if dist is not self.dist:
 127             # Installing a dependency, so fall back to normal behavior
 128             return easy_install.install_egg_scripts(self,dist)
 129
 130         # create wrapper scripts in the script dir, pointing to dist.scripts
 131
 132         # new-style...
 133         self.install_wrapper_scripts(dist)
 134
 135         # ...and old-style
 136         for script_name in self.distribution.scripts or []:
 137             script_path = os.path.abspath(convert_path(script_name))
 138             script_name = os.path.basename(script_path)
 139             f = open(script_path,'rU')
 140             script_text = f.read()
 141             f.close()
 142             self.install_script(dist, script_name, script_text, script_path)
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