perf: Remove requests from the import tree

bench/app.py

@@ -13,7 +13,6 @@
 # imports - third party imports
 import click
 import git
-import requests
 import semantic_version
 from six.moves import reload_module
 
@@ -91,6 +90,8 @@ def remove_from_excluded_apps_txt(app, bench_path='.'):
 		return write_excluded_apps_txt(apps, bench_path=bench_path)
 
 def get_app(git_url, branch=None, bench_path='.', skip_assets=False, verbose=False, restart_bench=True, overwrite=False):
+	import requests
+
 	if not os.path.exists(git_url):
 		if not is_git_url(git_url):
 			orgs = ['frappe', 'erpnext']
@@ -433,6 +434,8 @@ def install_apps_from_path(path, bench_path='.'):
 		get_app(app['url'], branch=app.get('branch'), bench_path=bench_path, skip_assets=True)
 
 def get_apps_json(path):
+	import requests
+
 	if path.startswith('http'):
 		r = requests.get(path)
 		return r.json()

bench/release.py

@@ -4,11 +4,8 @@
 import sys
 import semantic_version
 import git
-import requests
 import getpass
 import re
-from requests.auth import HTTPBasicAuth
-import requests.exceptions
 from time import sleep
 from .config.common_site_config import get_config
 import click
@@ -47,6 +44,9 @@ def release(bench_path, app, bump_type, from_branch, to_branch,
 		repo_name=repo_name, remote=remote, frontport=frontport)
 
 def validate(bench_path, config):
+	import requests
+	from requests.auth import HTTPBasicAuth
+
 	global github_username, github_password
 
 	github_username = config.get('github_username')
@@ -306,6 +306,9 @@ def push_release(repo_path, from_branch, to_branch, remote='upstream'):
 
 def create_github_release(repo_path, tag_name, message, remote='upstream', owner='frappe', repo_name=None,
 		gh_username=None, gh_password=None, prerelease=False):
+	import requests
+	import requests.exceptions
+	from requests.auth import HTTPBasicAuth
 
 	print('creating release on github')
 

bench/utils.py

@@ -24,7 +24,6 @@
 # imports - third party imports
 import click
 from crontab import CronTab
-import requests
 from semantic_version import Version
 from six import iteritems
 from six.moves.urllib.parse import urlparse
@@ -93,6 +92,8 @@ def safe_decode(string, encoding = 'utf-8'):
 
 
 def check_latest_version():
+	import requests
+
 	try:
 		pypi_request = requests.get("https://pypi.org/pypi/frappe-bench/json")
 	except Exception:
@@ -815,6 +816,8 @@ def post_upgrade(from_ver, to_ver, bench_path='.'):
 
 
 def update_translations_p(args):
+	import requests
+
 	try:
 		update_translations(*args)
 	except requests.exceptions.HTTPError:
@@ -846,6 +849,8 @@ def get_langs():
 
 
 def update_translations(app, lang):
+	import requests
+
 	translations_dir = os.path.join('apps', app, app, 'translations')
 	csv_file = os.path.join(translations_dir, lang + '.csv')
 	url = "https://translate.erpnext.com/files/{}-{}.csv".format(app, lang)