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w34_installer.py
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from zipfile import ZipFile
import distutils.file_util
import distutils.dir_util
import traceback
import platform
import time
import sys
import os
import re
class w34_installer:
def change_permissions_recursive(self, path_list, uid_gid):
import grp,pwd
uid = pwd.getpwnam(uid_gid[0]).pw_uid
gid = grp.getgrnam(uid_gid[1]).gr_gid
for p in path_list:
os.chmod(p, 0o755)
os.chown(p, uid, gid)
for root, dirs, files in os.walk(p, topdown=False):
for directory in [os.path.join(root,d) for d in dirs]:
os.chmod(directory, 0o755)
os.chown(directory, uid, gid)
if "json_day" in directory:
os.chmod(directory, 0o777)
for filename in [os.path.join(root, f) for f in files]:
os.chmod(filename, (0o777 if "w34_reports" in filename else 0o755))
os.chown(filename, uid, gid)
def find_replace(self, d, k, v, do_overwrite, append = False, delete = False):
found = k in d
if found:
if do_overwrite:
if delete:
del d[k]
elif append:
if not v in d[k]:
d[k] = d[k] + ", " + v
else:
d[k] = eval(v)
else:
print("Config entry " + k + " already exists and over_write is set to False")
else:
for value in d.values():
if isinstance(value, dict):
found = self.find_replace(value, k, v, do_overwrite, append, delete)
if found: break
return found
def __init__(self, conf_file):
conf_files = {}
try:
ver = platform.python_version()
try:
response = raw_input("!!! THIS INSTALL IS USING PYTHON VERSION " + ver + " IS THIS CORRECT? (Yes/No) ").strip()
except:
response = input("!!! THIS INSTALL IS USING PYTHON VERSION " + ver + " IS THIS CORRECT? (Yes/No)").strip()
if response.upper().startswith("N"):
print("User terminated install due to Python Version " + ver)
sys.exit(1);
print ("\nInstall will continue with Python Version " + ver)
from configobj import ConfigObj
if conf_file == None:
file_count = 1
files = [f for f in os.listdir('.') if os.path.isfile(f) and f.endswith(".conf")]
for f in files:
conf_files[file_count] = f
print(str(file_count) + " -> " + f)
file_count += 1
response = 0
while response == 0 or response > len(conf_files):
try:
response = int(raw_input("Enter the NUMBER of the installer config file ").strip())
except:
response = int(input("Enter the NUMBER of the installer config file ").strip())
conf_file = conf_files[response]
print("Installer Config file " + conf_file + " was chosen.")
with open(conf_file) as infile:
d = eval(re.sub(".*\"##.*\n",'', infile.read()).replace("\n", "").replace("\t", ""))
with open("services.txt") as infile:
d.update(eval(re.sub(".*\"##.*\n",'', infile.read()).replace("\n", "").replace("\t", "")))
copy_list = list(d["copy_paths"].split(","))
do_overwrite = True if d["over_write"] == "True" else False
extract_path = d["extract_to_path"]
if extract_path == None or len(extract_path) == 0:
extract_path = "temp"
zip_file = d["zip_file"]
if len(zip_file) > 0:
with ZipFile(zip_file, 'r') as zip_file:
if not os.path.exists(extract_path):
os.makedirs(extract_path)
else:
if not do_overwrite:
print ("Extract path exists and overwrite set to False")
try:
response = raw_input("Do you want to abort the install!!! (Yes/No) ").strip()
except:
response = input("Do you want to abort the install!!! (Yes/No) ").strip()
if response.upper().startswith("Y"):
return
print('Extracting all the files to ' + extract_path)
zip_file.extractall(extract_path)
print('Files extracted')
try:
try:
for i in range(0, len(copy_list), 2):
distutils.dir_util.copy_tree(os.path.join(extract_path, copy_list[i+1].strip()), copy_list[i].strip(), update = do_overwrite)
except:
for i in range(0, len(copy_list), 2):
distutils.dir_util.copy_tree(os.path.join(extract_path, copy_list[i+1].strip()), copy_list[i].strip(), update = do_overwrite)
locations = {copy_list[i+1]:copy_list[i] for i in range(0, len(copy_list), 2)}
self.change_permissions_recursive([locations["www"]], d["uid_gid"].split(","))
except Exception as e:
print(e)
if d["delete_extracted_files"] == "True":
if extract_path != os.getcwd():
distutils.dir_util.remove_tree(extract_path)
weewx_config_file = d["weewx_config_file"]
distutils.file_util.copy_file(weewx_config_file, weewx_config_file + "." + str(int(time.time())))
print('Updating weewx config')
config_data = ConfigObj(weewx_config_file, encoding='utf8', list_values=False,write_empty_values=True)
for i in d:
if i.startswith("config_entries"):
if "delete" in i:
key = d[i].split(":", 1)[1].strip()
if not self.find_replace(config_data, key, None, do_overwrite, False, True):
print("Delete key skipped because key " + key + " was not found")
elif "append" in i:
parts = d[i].split("=", 1)
if not self.find_replace(config_data, parts[0].strip(), parts[1], do_overwrite, True):
print("Append to key " + parts[0] + " skipped because key was not found")
else:
comments = ['#\n################################################################################\n']
parts = d[i].split("=", 1)
zpath = parts[0]
parts = parts[1].split(":", 1)
if "$" in parts[1]:
if len(d['lat']) == 0 or len(d['lon']) == 0:
d["lat"] = config_data['Station'].get('latitude')
d["lon"] = config_data['Station'].get('longitude')
for field in d['sub_fields'].split(","):
parts[1] = parts[1].replace("$"+field, d[field])
if "# " in parts[1].strip():
parts1 = parts[1].split("{",)
comments.append(parts1[0].replace('"',''))
parts[1] = "{" + parts1[1]
key = parts[0].replace("'", "").strip()
status = self.find_replace(config_data, key, parts[1], do_overwrite)
if not status or status and do_overwrite:
if zpath == None or len(zpath) == 0:
config_data[key] = eval(parts[1])
config_data.comments[key] = comments
else:
config_data[zpath][key] = eval(parts[1])
config_data[zpath].comments[key] = comments
config_data.write()
print('Done! Will Need To Restart Weewx For Changes To Be Active')
except Exception as e:
traceback.print_exc()
print (e)
if __name__ == '__main__':
w34_installer(sys.argv[1] if len(sys.argv) > 1 else None)