mirror of
https://github.com/YunoHost/package_linter.git
synced 2024-09-03 20:06:12 +02:00
461 lines
18 KiB
Python
Executable file
461 lines
18 KiB
Python
Executable file
#!/usr/bin/env python3
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# -*- coding: utf8 -*-
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import sys
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import os
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import re
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import json
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import shlex
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import urllib.request
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import codecs
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reader = codecs.getreader("utf-8")
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return_code = 0
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# ############################################################################
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# Utilities
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# ############################################################################
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class c:
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HEADER = '\033[94m'
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OKBLUE = '\033[94m'
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OKGREEN = '\033[92m'
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WARNING = '\033[93m'
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MAYBE_FAIL = '\033[96m'
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FAIL = '\033[91m'
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END = '\033[0m'
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BOLD = '\033[1m'
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UNDERLINE = '\033[4m'
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def header(app):
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print("""
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[{header}{bold}YunoHost App Package Linter{end}]
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App packaging documentation - https://yunohost.org/#/packaging_apps
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App package example - https://github.com/YunoHost/example_ynh
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Official helpers - https://yunohost.org/#/packaging_apps_helpers_en
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Experimental helpers - https://github.com/YunoHost-Apps/Experimental_helpers
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Analyzing package {header}{app}{end}"""
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.format(header=c.HEADER, bold=c.BOLD, end=c.END, app=app))
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def print_header(str):
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print("\n [" + c.BOLD + c.HEADER + str.title() + c.END + "]\n")
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def print_right(str):
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print(c.OKGREEN + "✔", str, c.END)
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def print_warning(str):
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print(c.WARNING + "!", str, c.END)
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def print_error(str, reliable=True):
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if reliable:
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global return_code
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return_code = 1
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print(c.FAIL + "✘", str, c.END)
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else:
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print(c.MAYBE_FAIL + "?", str, c.END)
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def urlopen(url):
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try:
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conn = urllib.request.urlopen(url)
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except urllib.error.HTTPError as e:
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return {'content': '', 'code': e.code}
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except urllib.error.URLError as e:
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print('URLError')
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return {'content': conn.read().decode('UTF8'), 'code': 200}
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def file_exists(file_path):
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return os.path.isfile(file_path) and os.stat(file_path).st_size > 0
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def read_file_shlex(file_path):
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f = open(file_path)
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return shlex.shlex(f, False)
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def read_file_raw(file_path):
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# remove every comments and empty lines from the file content to avoid
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# false positives
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f = open(file_path)
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file = "\n".join(filter(None, re.sub("#.*[^\n]", "", f.read()).splitlines()))
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return file
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# ############################################################################
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# Actual high-level checks
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# ############################################################################
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def check_files_exist(app_path):
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"""
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Check files exist
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'backup' and 'restore' scripts are not mandatory
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"""
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print_header("MISSING FILES")
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filenames = ("manifest.json",
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"scripts/install", "scripts/remove",
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"scripts/upgrade",
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"scripts/backup", "scripts/restore",
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"LICENSE", "README.md")
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non_mandatory = ("script/backup", "script/restore")
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for filename in filenames:
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if file_exists(app_path + "/" + filename):
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continue
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elif filename in non_mandatory:
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print_warning(filename)
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else:
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print_error(filename)
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# Deprecated php-fpm.ini thing
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if file_exists(app_path + "/conf/php-fpm.ini"):
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print_warning("Using a separate php-fpm.ini file is deprecated. Please merge your php-fpm directives directly in the pool file. (c.f. https://github.com/YunoHost-Apps/nextcloud_ynh/issues/138 )")
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def check_source_management(app_path):
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print_header("SOURCES MANAGEMENT")
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DIR = os.path.join(app_path, "sources")
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# Check if there is more than six files on 'sources' folder
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if os.path.exists(os.path.join(app_path, "sources")) \
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and len([name for name in os.listdir(DIR) if os.path.isfile(os.path.join(DIR, name))]) > 5:
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print_warning("[YEP-3.3] Upstream app sources shouldn't be stored on this "
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"'sources' folder of this git repository as a copy/paste."
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"\nAt installation, the package should download sources "
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"from upstream via 'ynh_setup_source'.\nSee "
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"https://dev.yunohost.org/issues/201#Conclusion-chart")
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def license_mentionned_in_readme(path):
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readme_path = os.path.join(path, 'README.md')
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if os.path.isfile(readme_path):
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return "LICENSE" in open(readme_path).read()
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return False
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def check_manifest(path):
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manifest = os.path.join(path, 'manifest.json')
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if not os.path.exists(manifest):
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return
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print_header("MANIFEST")
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"""
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Check if there is no comma syntax issue
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"""
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try:
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with open(manifest, encoding='utf-8') as data_file:
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manifest = json.loads(data_file.read())
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except:
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print_error("[YEP-2.1] Syntax (comma) or encoding issue with manifest.json. "
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"Can't check file.")
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fields = ("name", "id", "packaging_format", "description", "url", "version",
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"license", "maintainer", "requirements", "multi_instance",
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"services", "arguments")
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for field in fields:
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if field not in manifest:
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print_warning("[YEP-2.1] \"" + field + "\" field is missing")
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"""
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Check values in keys
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"""
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if "packaging_format" not in manifest:
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print_error("[YEP-2.1] \"packaging_format\" key is missing")
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elif not isinstance(manifest["packaging_format"], int):
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print_error("[YEP-2.1] \"packaging_format\": value isn't an integer type")
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elif manifest["packaging_format"] != 1:
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print_error("[YEP-2.1] \"packaging_format\" field: current format value is '1'")
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# YEP 1.1 Name is app
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if "id" in manifest:
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if not re.match('^[a-z1-9]((_|-)?[a-z1-9])+$', manifest["id"]):
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print_error("[YEP-1.1] 'id' field '%s' should respect this regex "
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"'^[a-z1-9]((_|-)?[a-z1-9])+$'")
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if "name" in manifest:
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if len(manifest["name"]) > 22:
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print_warning("[YEP-1.1] The 'name' field shouldn't be too long to be"
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" able to be with one line in the app list. The most "
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"current bigger name is actually compound of 22 characters.")
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# YEP 1.2 Put the app in a weel known repo
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if "id" in manifest:
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official_list_url = "https://raw.githubusercontent.com/YunoHost/apps/master/official.json"
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official_list = json.loads(urlopen(official_list_url)['content'])
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community_list_url = "https://raw.githubusercontent.com/YunoHost/apps/master/community.json"
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community_list = json.loads(urlopen(community_list_url)['content'])
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if manifest["id"] not in official_list and manifest["id"] not in community_list:
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print_warning("[YEP-1.2] This app is not registered in official or community applications")
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# YEP 1.3 License
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if "license" in manifest:
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for license in manifest['license'].replace('&', ',').split(','):
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code_license = '<code property="spdx:licenseId">' + license + '</code>'
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link = "https://spdx.org/licenses/"
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if license == "nonfree":
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print_warning("[YEP-1.3] The correct value for non free license in license"
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" field is 'non-free' and not 'nonfree'")
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license = "non-free"
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if license in ["free", "non-free", "dep-non-free"]:
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if not license_mentionned_in_readme(path):
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print_warning("[YEP-1.3] The use of '%s' in license field implies to "
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"write something about the license in your "
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"README.md" % (license))
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if license in ["non-free", "dep-non-free"]:
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print_warning("[YEP-1.3] 'non-free' apps can't be officialized."
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"Their integration is still being discussed,"
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"especially for apps with non-free dependencies")
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elif code_license not in urlopen(link)['content']:
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print_warning("[YEP-1.3] The license '%s' is not registered in "
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"https://spdx.org/licenses/ . It can be a typo error. "
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"If not, you should replace it by 'free' or 'non-free'"
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"and give some explanations in the README.md." % (license))
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# YEP 1.4 Inform if we continue to maintain the app
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# YEP 1.5 Update regularly the app status
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# YEP 1.6 Check regularly the evolution of the upstream
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# YEP 1.7 - Add an app to the YunoHost-Apps organization
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if "id" in manifest:
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repo = "https://github.com/YunoHost-Apps/%s_ynh" % (manifest["id"])
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is_not_added_to_org = urlopen(repo)['code'] == 404
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if is_not_added_to_org:
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print_warning("[YEP-1.7] You should add your app in the "
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"YunoHost-Apps organisation.")
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# YEP 1.8 Publish test request
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# YEP 1.9 Document app
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if "description" in manifest:
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descr = manifest["description"]
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if isinstance(descr, dict):
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descr = descr.get("en", None)
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if descr is None or descr == manifest.get("name", None):
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print_warning("[YEP-1.9] You should write a good description of the""app, at least in english (1 line is enough).")
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elif "for yunohost" in descr.lower():
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print_warning("[YEP-1.9] The 'description' should explain what the app actually does. No need to say that it is 'for YunoHost' - this is a YunoHost app so of course we know it is for YunoHost ;-).")
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# TODO test a specific template in README.md
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# YEP 1.10 Garder un historique de version propre
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# YEP 1.11 Cancelled
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# YEP 2.1
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if "multi_instance" in manifest and manifest["multi_instance"] != 1 and manifest["multi_instance"] != 0:
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print_error(
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"[YEP-2.1] \"multi_instance\" field must be boolean type values 'true' or 'false' and not string type")
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if "services" in manifest:
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services = ("nginx", "php5-fpm", "mysql", "uwsgi", "metronome",
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"postfix", "dovecot") # , "rspamd", "rmilter")
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for service in manifest["services"]:
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if service not in services:
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# FIXME : wtf is it supposed to mean ...
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print_warning("[YEP-2.1] " + service + " service may not exist")
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if "install" in manifest["arguments"]:
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types = ("domain", "path", "password", "user", "admin")
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for nbr, typ in enumerate(types):
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for install_arg in manifest["arguments"]["install"]:
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if typ == install_arg["name"]:
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if "type" not in install_arg:
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print_error("[YEP-2.1] You should specify the type of the key with %s" % (typ))
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if "url" in manifest and manifest["url"].endswith("_ynh"):
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print_warning("'url' is not meant to be the url of the yunohost package, but rather the website or repo of the upstream app itself...")
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def check_verifications_done_before_modifying_system(script):
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"""
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Check if verifications are done before modifying the system
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"""
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ok = True
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modify_cmd = ''
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cmds = ("cp", "mkdir", "rm", "chown", "chmod", "apt-get", "apt", "service",
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"find", "sed", "mysql", "swapon", "mount", "dd", "mkswap", "useradd")
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cmds_before_exit = []
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has_exit = False
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for cmd in script["shlex"]:
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if cmd in ["ynh_die", "exit"]:
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has_exit = True
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break
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cmds_before_exit.append(cmd)
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if not has_exit:
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return
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for cmd in cmds_before_exit:
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if cmd in ["ynh_die", "exit"]:
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break
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if not ok or cmd in cmds:
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modify_cmd = cmd
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ok = False
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break
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if not ok:
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print_error("[YEP-2.4] 'ynh_die' or 'exit' command is executed with system modification before (cmd '%s').\n"
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"This system modification is an issue if a verification exit the script.\n"
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"You should move this verification before any system modification." % (modify_cmd), False)
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def check_set_usage(script):
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present = False
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if script["name"] in ["backup", "remove"]:
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present = "ynh_abort_if_errors" in script["shlex"] or "set -eu" in script["raw"]
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else:
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present = "ynh_abort_if_errors" in script["shlex"]
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if script["name"] == "remove":
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# Remove script shouldn't use set -eu or ynh_abort_if_errors
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if present:
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print_error("[YEP-2.4] set -eu or ynh_abort_if_errors is present. "
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"If there is a crash, it could put yunohost system in "
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"a broken state. For details, look at "
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"https://github.com/YunoHost/issues/issues/419")
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else:
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if not present:
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print_error("[YEP-2.4] ynh_abort_if_errors is missing. For details, "
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"look at https://github.com/YunoHost/issues/issues/419")
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def check_arg_retrieval(script):
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"""
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Check arguments retrival from manifest is done with env var $YNH_APP_ARG_* and not with arg $1
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env var was found till line ~30 on scripts. Stop file checking at L30: This could avoid wrong positives
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Check only from '$1' to '$10' as 10 arg retrieval is already a lot.
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"""
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present = False
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for cmd in script:
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if cmd == '$' and script.get_token() in [str(x) for x in range(1, 10)]:
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present = True
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break
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if present:
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print_error("Argument retrieval from manifest with $1 is deprecated. You may use $YNH_APP_ARG_*")
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print_error("For more details see: https://yunohost.org/#/packaging_apps_arguments_management_en")
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def check_helper_usage_dependencies(script):
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"""
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Detect usage of ynh_package_* & apt-get *
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and suggest herlpers ynh_install_app_dependencies and ynh_remove_app_dependencies
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"""
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if "ynh_package_install" in script["shlex"] or "apt-get install" in script["raw"]:
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print_warning("You should not use `ynh_package_install` or `apt-get install`, use `ynh_install_app_dependencies` instead")
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if "ynh_package_remove" in script["shlex"] or "apt-get remove" in script["raw"]:
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print_warning("You should not use `ynh_package_remove` or `apt-get removeè, use `ynh_remove_app_dependencies` instead")
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def check_helper_consistency(script):
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"""
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check if ynh_install_app_dependencies is present in install/upgrade/restore
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so dependencies are up to date after restoration or upgrade
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"""
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if script["name"] == "install" and "ynh_install_app_dependencies" in script["shlex"]:
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for name in ["upgrade", "restore"]:
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try:
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script2 = read_file_raw(os.path.dirname(script["path"] + "/" + name))
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if "ynh_install_app_dependencies" not in script2:
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print_warning("ynh_install_app_dependencies should also be in %s script" % name)
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except FileNotFoundError:
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pass
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if script["name"] == "install" and "yunohost service add" in script["raw"]:
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try:
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script2 = read_file_raw(os.path.dirname(script["path"]) + "/remove")
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if "yunohost service remove" not in script2:
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print_error("You used 'yunohost service add' in the install script, but not 'yunohost service remove' in the remove script.")
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except FileNotFoundError:
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pass
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def check_deprecated_practices(script):
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if "yunohost app setting" in script["raw"]:
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print_warning("'yunohost app setting' shouldn't be used directly. Please use 'ynh_app_setting_(set,get,delete)' instead.")
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if "yunohost app checkurl" in script["raw"]:
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print_warning("'yunohost app checkurl' is deprecated. Please use 'ynh_webpath_register' instead.")
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if "yunohost app checkport" in script["raw"]:
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print_warning("'yunohost app checkport' is deprecated. Please use 'ynh_find_port' instead.")
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if "yunohost app initdb" in script["raw"]:
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print_warning("'yunohost app initdb' is deprecated. Please use 'ynh_mysql_setup_db' instead.")
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if "exit" in script["shlex"]:
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print_warning("'exit' command shouldn't be used. Please use 'ynh_die' instead.")
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if "rm -rf" in script["raw"] or "rm -Rf" in script["raw"]:
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print_error("[YEP-2.12] You should avoid using 'rm -rf', please use 'ynh_secure_remove' instead")
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if "sed -i" in script["raw"]:
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print_warning("[YEP-2.12] You should avoid using 'sed -i', please use 'ynh_replace_string' instead")
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if "sudo " in script["raw"]:
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print_warning("[YEP-2.12] You should not need to use 'sudo', the script is being run as root. (If you need to run a command using a specific user, use 'ynh_exec_as')")
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if "dd if=/dev/urandom" in script["raw"] or "openssl rand" in script["raw"]:
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print_warning("Instead of 'dd if=/dev/urandom' or 'openssl rand', you might want to use ynh_string_random")
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if "systemctl restart nginx" in script["raw"] or "service nginx restart" in script["raw"]:
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print_error("Restarting nginx is quite dangerous (especially for web installs) and should be avoided at all cost. Use 'reload' instead.")
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def main():
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if len(sys.argv) != 2:
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print("Give one app package path.")
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exit()
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app_path = sys.argv[1]
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header(app_path)
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# Global checks
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check_files_exist(app_path)
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check_source_management(app_path)
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check_manifest(app_path)
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# Scripts checks
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scripts = ["install", "remove", "upgrade", "backup", "restore"]
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for script_name in scripts:
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script = {"name": script_name,
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"path": app_path + "/scripts/" + script_name}
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if not file_exists(script["path"]):
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continue
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print_header(script["name"].upper() + " SCRIPT")
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script["raw"] = read_file_raw(script["path"])
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# We transform the shlex thing into a list because the original
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# object has completely fucked-up behaviors :|.
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script["shlex"] = [ l for l in read_file_shlex(script["path"]) ]
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check_verifications_done_before_modifying_system(script)
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check_set_usage(script)
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check_helper_usage_dependencies(script)
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check_helper_consistency(script)
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check_deprecated_practices(script)
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# check_arg_retrieval(script)
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sys.exit(return_code)
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if __name__ == '__main__':
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main()
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