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Factored the "sub-command" machinery out to Command. Mainly, this 

meant removing 'get_sub_commands()', and moving the 'sub_commands' class
attribute to the end and restructuring it to conform to the new regime.
This commit is contained in:
Greg Ward 2000-09-16 15:06:57 +00:00
parent 634fc574e1
commit fadefedb89
1 changed files with 10 additions and 25 deletions
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35
Lib/distutils/command/install.py
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@ -101,17 +101,6 @@ class install (Command):
"filename in which to record list of installed files"),
]
# 'sub_commands': a list of commands this command might have to run to
# get its work done. Each command is represented as a tuple (method,
# command) where 'method' is the name of a method to call that returns
# true if 'command' (the sub-command name, a string) needs to be run.
# If 'method' is None, assume that 'command' must always be run.
sub_commands = [('has_lib', 'install_lib'),
('has_headers', 'install_headers'),
('has_scripts', 'install_scripts'),
('has_data', 'install_data'),
]
def initialize_options (self):
@ -444,20 +433,6 @@ class install (Command):
# handle_extra_path ()
def get_sub_commands (self):
"""Return the list of subcommands that we need to run. This is
based on the 'subcommands' class attribute: each tuple in that list
can name a method that we call to determine if the subcommand needs
to be run for the current distribution."""
commands = []
for (method, cmd_name) in self.sub_commands:
if method is not None:
method = getattr(self, method)
if method is None or method():
commands.append(cmd_name)
return commands
def run (self):
# Obviously have to build before we can install
@ -494,6 +469,8 @@ class install (Command):
# run ()
# -- Predicates for sub-command list -------------------------------
def has_lib (self):
"""Return true if the current distribution has any Python
modules to install."""
@ -544,4 +521,12 @@ class install (Command):
"installations)") %
filename)
# 'sub_commands': a list of commands this command might have to run to
# get its work done. See cmd.py for more info.
sub_commands = [('install_lib', has_lib),
('install_headers', has_headers),
('install_scripts', has_scripts),
('install_data', has_data),
]
# class install