118 lines
4.2 KiB
Python
Executable File
118 lines
4.2 KiB
Python
Executable File
#!/usr/bin/python3
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"""Modify a dependency listed in a package.json file"""
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# Copyright 2013 T.C. Hollingsworth <tchollingsworth@gmail.com>
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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# IN THE SOFTWARE.
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import json
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import optparse
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import os
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import re
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import shutil
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import sys
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RE_VERSION = re.compile(r'\s*v?([<>=~^]{0,2})\s*([0-9][0-9\.\-]*)\s*')
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p = optparse.OptionParser(
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description='Modifies dependency entries in package.json files')
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p.add_option('-r', '--remove', action='store_true')
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p.add_option('-m', '--move', action='store_true')
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p.add_option('--dev', action='store_const', const='devDependencies',
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dest='deptype', help='affect devDependencies')
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p.add_option('--optional', action='store_const', const='optionalDependencies',
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dest='deptype', help='affect optionalDependencies')
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p.add_option('--caret', action='store_true',
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help='convert all or specified dependencies to use the caret operator')
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options, args = p.parse_args()
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if not os.path.exists('package.json~'):
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shutil.copy2('package.json', 'package.json~')
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md = json.load(open('package.json'))
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deptype = options.deptype if options.deptype is not None else 'dependencies'
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if deptype not in md:
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md[deptype] = {}
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# convert alternate JSON dependency representations to a dictionary
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if not options.caret and not isinstance(md[deptype], dict):
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if isinstance(md[deptype], list):
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deps = md[deptype]
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md[deptype] = {}
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for dep in deps:
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md[deptype][dep] = '*'
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elif isinstance(md[deptype], str):
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md[deptype] = { md[deptype] : '*' }
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if options.remove:
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dep = args[0]
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del md[deptype][dep]
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elif options.move:
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dep = args[0]
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ver = None
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for fromtype in ['dependencies', 'optionalDependencies', 'devDependencies']:
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if fromtype in md:
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if isinstance(md[fromtype], dict) and dep in md[fromtype]:
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ver = md[fromtype][dep]
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del md[fromtype][dep]
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elif isinstance(md[fromtype], list) and md[fromtype].count(dep) > 0:
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ver = '*'
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md[fromtype].remove(dep)
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elif isinstance(md[fromtype], str) and md[fromtype] == dep:
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ver = '*'
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del md[fromtype]
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if ver != None:
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md[deptype][dep] = ver
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elif options.caret:
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if not isinstance(md[deptype], dict):
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sys.stderr.write('All dependencies are unversioned. Unable to apply ' +
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'caret operator.\n')
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sys.exit(2)
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deps = args if len(args) > 0 else md[deptype].keys()
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for dep in deps:
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if md[deptype][dep][0] == '^':
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continue
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elif md[deptype][dep][0] in ('~','0','1','2','3','4','5','6','7','8','9'):
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ver = re.match(RE_VERSION, md[deptype][dep]).group(2)
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md[deptype][dep] = '^' + ver
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else:
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sys.stderr.write('Attempted to convert non-numeric or tilde ' +
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'dependency to caret. This is not permitted.\n')
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sys.exit(1)
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else:
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dep = args[0]
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if len(args) > 1:
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ver = args[1]
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else:
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ver = '*'
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md[deptype][dep] = ver
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fh = open('package.json', 'w')
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data = json.JSONEncoder(indent=4).encode(md)
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fh.write(data)
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fh.close()
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