mirror of https://github.com/pypa/pip
348 lines
14 KiB
Python
348 lines
14 KiB
Python
import sys
|
|
import re
|
|
import fnmatch
|
|
import os
|
|
import shutil
|
|
import zipfile
|
|
from pip.util import display_path, backup_dir, rmtree
|
|
from pip.log import logger
|
|
from pip.exceptions import InstallationError
|
|
from pip.basecommand import Command
|
|
|
|
|
|
class ZipCommand(Command):
|
|
"""Zip individual packages."""
|
|
name = 'zip'
|
|
usage = """
|
|
%prog [options] <package> ..."""
|
|
summary = 'Zip individual packages.'
|
|
|
|
def __init__(self, *args, **kw):
|
|
super(ZipCommand, self).__init__(*args, **kw)
|
|
if self.name == 'zip':
|
|
self.cmd_opts.add_option(
|
|
'--unzip',
|
|
action='store_true',
|
|
dest='unzip',
|
|
help='Unzip (rather than zip) a package.')
|
|
else:
|
|
self.cmd_opts.add_option(
|
|
'--zip',
|
|
action='store_false',
|
|
dest='unzip',
|
|
default=True,
|
|
help='Zip (rather than unzip) a package.')
|
|
self.cmd_opts.add_option(
|
|
'--no-pyc',
|
|
action='store_true',
|
|
dest='no_pyc',
|
|
help='Do not include .pyc files in zip files (useful on Google App Engine).')
|
|
self.cmd_opts.add_option(
|
|
'-l', '--list',
|
|
action='store_true',
|
|
dest='list',
|
|
help='List the packages available, and their zip status.')
|
|
self.cmd_opts.add_option(
|
|
'--sort-files',
|
|
action='store_true',
|
|
dest='sort_files',
|
|
help='With --list, sort packages according to how many files they contain.')
|
|
self.cmd_opts.add_option(
|
|
'--path',
|
|
action='append',
|
|
dest='paths',
|
|
help='Restrict operations to the given paths (may include wildcards).')
|
|
self.cmd_opts.add_option(
|
|
'-n', '--simulate',
|
|
action='store_true',
|
|
help='Do not actually perform the zip/unzip operation.')
|
|
|
|
self.parser.insert_option_group(0, self.cmd_opts)
|
|
|
|
def paths(self):
|
|
"""All the entries of sys.path, possibly restricted by --path"""
|
|
if not self.select_paths:
|
|
return sys.path
|
|
result = []
|
|
match_any = set()
|
|
for path in sys.path:
|
|
path = os.path.normcase(os.path.abspath(path))
|
|
for match in self.select_paths:
|
|
match = os.path.normcase(os.path.abspath(match))
|
|
if '*' in match:
|
|
if re.search(fnmatch.translate(match + '*'), path):
|
|
result.append(path)
|
|
match_any.add(match)
|
|
break
|
|
else:
|
|
if path.startswith(match):
|
|
result.append(path)
|
|
match_any.add(match)
|
|
break
|
|
else:
|
|
logger.debug("Skipping path %s because it doesn't match %s"
|
|
% (path, ', '.join(self.select_paths)))
|
|
for match in self.select_paths:
|
|
if match not in match_any and '*' not in match:
|
|
result.append(match)
|
|
logger.debug("Adding path %s because it doesn't match "
|
|
"anything already on sys.path" % match)
|
|
return result
|
|
|
|
def run(self, options, args):
|
|
self.select_paths = options.paths
|
|
self.simulate = options.simulate
|
|
if options.list:
|
|
return self.list(options, args)
|
|
if not args:
|
|
raise InstallationError(
|
|
'You must give at least one package to zip or unzip')
|
|
packages = []
|
|
for arg in args:
|
|
module_name, filename = self.find_package(arg)
|
|
if options.unzip and os.path.isdir(filename):
|
|
raise InstallationError(
|
|
'The module %s (in %s) is not a zip file; cannot be unzipped'
|
|
% (module_name, filename))
|
|
elif not options.unzip and not os.path.isdir(filename):
|
|
raise InstallationError(
|
|
'The module %s (in %s) is not a directory; cannot be zipped'
|
|
% (module_name, filename))
|
|
packages.append((module_name, filename))
|
|
last_status = None
|
|
for module_name, filename in packages:
|
|
if options.unzip:
|
|
last_status = self.unzip_package(module_name, filename)
|
|
else:
|
|
last_status = self.zip_package(module_name, filename, options.no_pyc)
|
|
return last_status
|
|
|
|
def unzip_package(self, module_name, filename):
|
|
zip_filename = os.path.dirname(filename)
|
|
if not os.path.isfile(zip_filename) and zipfile.is_zipfile(zip_filename):
|
|
raise InstallationError(
|
|
'Module %s (in %s) isn\'t located in a zip file in %s'
|
|
% (module_name, filename, zip_filename))
|
|
package_path = os.path.dirname(zip_filename)
|
|
if not package_path in self.paths():
|
|
logger.warn(
|
|
'Unpacking %s into %s, but %s is not on sys.path'
|
|
% (display_path(zip_filename), display_path(package_path),
|
|
display_path(package_path)))
|
|
logger.notify('Unzipping %s (in %s)' % (module_name, display_path(zip_filename)))
|
|
if self.simulate:
|
|
logger.notify('Skipping remaining operations because of --simulate')
|
|
return
|
|
logger.indent += 2
|
|
try:
|
|
## FIXME: this should be undoable:
|
|
zip = zipfile.ZipFile(zip_filename)
|
|
to_save = []
|
|
for name in zip.namelist():
|
|
if name.startswith(module_name + os.path.sep):
|
|
content = zip.read(name)
|
|
dest = os.path.join(package_path, name)
|
|
if not os.path.exists(os.path.dirname(dest)):
|
|
os.makedirs(os.path.dirname(dest))
|
|
if not content and dest.endswith(os.path.sep):
|
|
if not os.path.exists(dest):
|
|
os.makedirs(dest)
|
|
else:
|
|
f = open(dest, 'wb')
|
|
f.write(content)
|
|
f.close()
|
|
else:
|
|
to_save.append((name, zip.read(name)))
|
|
zip.close()
|
|
if not to_save:
|
|
logger.info('Removing now-empty zip file %s' % display_path(zip_filename))
|
|
os.unlink(zip_filename)
|
|
self.remove_filename_from_pth(zip_filename)
|
|
else:
|
|
logger.info('Removing entries in %s/ from zip file %s' % (module_name, display_path(zip_filename)))
|
|
zip = zipfile.ZipFile(zip_filename, 'w')
|
|
for name, content in to_save:
|
|
zip.writestr(name, content)
|
|
zip.close()
|
|
finally:
|
|
logger.indent -= 2
|
|
|
|
def zip_package(self, module_name, filename, no_pyc):
|
|
orig_filename = filename
|
|
logger.notify('Zip %s (in %s)' % (module_name, display_path(filename)))
|
|
logger.indent += 2
|
|
if filename.endswith('.egg'):
|
|
dest_filename = filename
|
|
else:
|
|
dest_filename = filename + '.zip'
|
|
try:
|
|
## FIXME: I think this needs to be undoable:
|
|
if filename == dest_filename:
|
|
filename = backup_dir(orig_filename)
|
|
logger.notify('Moving %s aside to %s' % (orig_filename, filename))
|
|
if not self.simulate:
|
|
shutil.move(orig_filename, filename)
|
|
try:
|
|
logger.info('Creating zip file in %s' % display_path(dest_filename))
|
|
if not self.simulate:
|
|
zip = zipfile.ZipFile(dest_filename, 'w')
|
|
zip.writestr(module_name + '/', '')
|
|
for dirpath, dirnames, filenames in os.walk(filename):
|
|
if no_pyc:
|
|
filenames = [f for f in filenames
|
|
if not f.lower().endswith('.pyc')]
|
|
for fns, is_dir in [(dirnames, True), (filenames, False)]:
|
|
for fn in fns:
|
|
full = os.path.join(dirpath, fn)
|
|
dest = os.path.join(module_name, dirpath[len(filename):].lstrip(os.path.sep), fn)
|
|
if is_dir:
|
|
zip.writestr(dest + '/', '')
|
|
else:
|
|
zip.write(full, dest)
|
|
zip.close()
|
|
logger.info('Removing old directory %s' % display_path(filename))
|
|
if not self.simulate:
|
|
rmtree(filename)
|
|
except:
|
|
## FIXME: need to do an undo here
|
|
raise
|
|
## FIXME: should also be undone:
|
|
self.add_filename_to_pth(dest_filename)
|
|
finally:
|
|
logger.indent -= 2
|
|
|
|
def remove_filename_from_pth(self, filename):
|
|
for pth in self.pth_files():
|
|
f = open(pth, 'r')
|
|
lines = f.readlines()
|
|
f.close()
|
|
new_lines = [
|
|
l for l in lines if l.strip() != filename]
|
|
if lines != new_lines:
|
|
logger.info('Removing reference to %s from .pth file %s'
|
|
% (display_path(filename), display_path(pth)))
|
|
if not [line for line in new_lines if line]:
|
|
logger.info('%s file would be empty: deleting' % display_path(pth))
|
|
if not self.simulate:
|
|
os.unlink(pth)
|
|
else:
|
|
if not self.simulate:
|
|
f = open(pth, 'wb')
|
|
f.writelines(new_lines)
|
|
f.close()
|
|
return
|
|
logger.warn('Cannot find a reference to %s in any .pth file' % display_path(filename))
|
|
|
|
def add_filename_to_pth(self, filename):
|
|
path = os.path.dirname(filename)
|
|
dest = filename + '.pth'
|
|
if path not in self.paths():
|
|
logger.warn('Adding .pth file %s, but it is not on sys.path' % display_path(dest))
|
|
if not self.simulate:
|
|
if os.path.exists(dest):
|
|
f = open(dest)
|
|
lines = f.readlines()
|
|
f.close()
|
|
if lines and not lines[-1].endswith('\n'):
|
|
lines[-1] += '\n'
|
|
lines.append(filename + '\n')
|
|
else:
|
|
lines = [filename + '\n']
|
|
f = open(dest, 'wb')
|
|
f.writelines(lines)
|
|
f.close()
|
|
|
|
def pth_files(self):
|
|
for path in self.paths():
|
|
if not os.path.exists(path) or not os.path.isdir(path):
|
|
continue
|
|
for filename in os.listdir(path):
|
|
if filename.endswith('.pth'):
|
|
yield os.path.join(path, filename)
|
|
|
|
def find_package(self, package):
|
|
for path in self.paths():
|
|
full = os.path.join(path, package)
|
|
if os.path.exists(full):
|
|
return package, full
|
|
if not os.path.isdir(path) and zipfile.is_zipfile(path):
|
|
zip = zipfile.ZipFile(path, 'r')
|
|
try:
|
|
zip.read(os.path.join(package, '__init__.py'))
|
|
except KeyError:
|
|
pass
|
|
else:
|
|
zip.close()
|
|
return package, full
|
|
zip.close()
|
|
## FIXME: need special error for package.py case:
|
|
raise InstallationError(
|
|
'No package with the name %s found' % package)
|
|
|
|
def list(self, options, args):
|
|
if args:
|
|
raise InstallationError(
|
|
'You cannot give an argument with --list')
|
|
for path in sorted(self.paths()):
|
|
if not os.path.exists(path):
|
|
continue
|
|
basename = os.path.basename(path.rstrip(os.path.sep))
|
|
if os.path.isfile(path) and zipfile.is_zipfile(path):
|
|
if os.path.dirname(path) not in self.paths():
|
|
logger.notify('Zipped egg: %s' % display_path(path))
|
|
continue
|
|
if (basename != 'site-packages' and basename != 'dist-packages'
|
|
and not path.replace('\\', '/').endswith('lib/python')):
|
|
continue
|
|
logger.notify('In %s:' % display_path(path))
|
|
logger.indent += 2
|
|
zipped = []
|
|
unzipped = []
|
|
try:
|
|
for filename in sorted(os.listdir(path)):
|
|
ext = os.path.splitext(filename)[1].lower()
|
|
if ext in ('.pth', '.egg-info', '.egg-link'):
|
|
continue
|
|
if ext == '.py':
|
|
logger.info('Not displaying %s: not a package' % display_path(filename))
|
|
continue
|
|
full = os.path.join(path, filename)
|
|
if os.path.isdir(full):
|
|
unzipped.append((filename, self.count_package(full)))
|
|
elif zipfile.is_zipfile(full):
|
|
zipped.append(filename)
|
|
else:
|
|
logger.info('Unknown file: %s' % display_path(filename))
|
|
if zipped:
|
|
logger.notify('Zipped packages:')
|
|
logger.indent += 2
|
|
try:
|
|
for filename in zipped:
|
|
logger.notify(filename)
|
|
finally:
|
|
logger.indent -= 2
|
|
else:
|
|
logger.notify('No zipped packages.')
|
|
if unzipped:
|
|
if options.sort_files:
|
|
unzipped.sort(key=lambda x: -x[1])
|
|
logger.notify('Unzipped packages:')
|
|
logger.indent += 2
|
|
try:
|
|
for filename, count in unzipped:
|
|
logger.notify('%s (%i files)' % (filename, count))
|
|
finally:
|
|
logger.indent -= 2
|
|
else:
|
|
logger.notify('No unzipped packages.')
|
|
finally:
|
|
logger.indent -= 2
|
|
|
|
def count_package(self, path):
|
|
total = 0
|
|
for dirpath, dirnames, filenames in os.walk(path):
|
|
filenames = [f for f in filenames
|
|
if not f.lower().endswith('.pyc')]
|
|
total += len(filenames)
|
|
return total
|