update to 0.18

update_018_elm_package.py

@@ -0,0 +1,144 @@
+#! /usr/bin/env python
+from __future__ import print_function
+
+import elm_deps_upgrade as upgrader
+from collections import OrderedDict
+import json
+import requests
+import argparse
+import sys
+import re
+import os
+import glob
+
+
+KNOWN_MOVES = {
+    'evancz/elm-http' : 'elm-lang/http'
+}
+
+
+def upgrade_elm_version(version):
+    return "0.18.0 <= v < 0.19.0"
+
+def new_packages():
+    r = requests.get("http://package.elm-lang.org/new-packages")
+    return r.json()
+
+def update_elm_package(root_folder, dry=False):
+    with open(root_folder + '/elm-package.json') as f:
+        package_data = json.load(f, object_pairs_hook=OrderedDict)
+
+    package_data['elm-version'] = upgrade_elm_version(package_data['elm-version'])
+
+    packages = package_data['dependencies']
+    upgraded_packages = new_packages()
+
+    notes = []
+    errors = []
+    upgradable_packages = {}
+
+
+    for (package, version) in list(packages.items())[:]:
+        if package in KNOWN_MOVES:
+            new_name = KNOWN_MOVES[package]
+
+            if new_name == '':
+                errors.append('Package {name} has been removed'.format(name=package))
+            else:
+                notes.append('Package {name} renamed to {new_name}'.format(name=package, new_name=new_name))
+
+                version = '1.0.0 <= v < 2.0.0'
+                upgradable_packages[new_name] = version
+                del package_data['dependencies'][package]
+
+            continue
+
+        if package not in upgraded_packages:
+            errors.append('Package {name} not upgraded yet!'.format(name=package))
+            continue
+
+
+        upgradable_packages[package] = version
+
+    local = upgradable_packages
+    remote = upgrader.load_all_packages("0.18", "http://package.elm-lang.org/all-packages?elm-package-version=")
+
+
+    upgrade_suggestions = upgrader.find_newer_versions(local, remote)
+
+    for (dep, suggestions) in upgrade_suggestions.items():
+        try:
+            update_to = upgrader.newest_version(suggestions)
+        except Exception as e:
+            notes.append('package {} already updated'.format(dep))
+            package_data['dependencies'][dep] = upgradable_packages[dep]
+            continue
+
+        notes.append('updating {} to {}'.format(dep, update_to))
+
+        package_data['dependencies'][dep] = "{} <= v <= {}".format(update_to, update_to)
+
+
+    print('=======================')
+    print('Notes:')
+    print('\n'.join(notes))
+
+    print('=======================')
+    print('Warnings: ')
+    print('\n'.join(errors))
+
+    print('========================\n\n')
+    print(json.dumps(package_data, sort_keys=False, indent=4))
+
+    if not dry:
+        with open(root_folder + '/elm-package.json', 'w') as f:
+            json.dump(package_data, f, sort_keys=False, indent=4)
+
+    if errors:
+        print('There were errors that need to be handled manually!')
+        sys.exit(1)
+
+
+def upgrade_elm_files(root_folder):
+    with open(root_folder + '/elm-package.json') as f:
+        package_data = json.load(f, object_pairs_hook=OrderedDict)
+
+    dirs = package_data['source-directories']
+
+    for folder in dirs:
+        if folder[0] != '.':
+            folder = root_folder + '/' + folder
+        run_elm_format(folder)
+
+
+def run_elm_format(root_folder):
+    from subprocess import call
+    os.chdir(root_folder)
+    call(["elm-format", "--version=0.18"])
+
+
+def run_elm_make(root_folder):
+    from subprocess import call
+    os.chdir(root_folder)
+
+    call(["elm-package", "install", "--yes"])
+    call(["elm-make"])
+
+
+def main():
+
+    parser = argparse.ArgumentParser(description='Automatically upgrade your package to 0.18')
+    parser.add_argument('--dry', '-d', action='store_true', help='only print possible changes', default=False)
+
+    parser.add_argument('package_dir')
+    args = parser.parse_args()
+
+    update_elm_package(args.package_dir, dry=args.dry)
+    upgrade_elm_files(args.package_dir)
+    run_elm_make(args.package_dir)
+    run_elm_format(args.package_dir)
+
+
+if __name__ == '__main__':
+    main()
+