create backup_files.py for backing up files

Define a function copy_and_backup_file(src_file, dest_dir) to do backup and compression work.

The function copy_and_backup_file is used in update_network_by_force.py.

-Hui

1 files changed, 114 insertions, 113 deletions

diff --git a/Code/update_network_by_force.py b/Code/update_network_by_force.py
index 7ba8c87..11e8d72 100644
--- a/Code/update_network_by_force.py
+++ b/Code/update_network_by_force.py
@@ -1,113 +1,114 @@
-# Usage: python3 update_network_by_force.py

-# Purpose: update_network.py could take a few days to run.  Run this script to harvest new edges everyday.

-#

-# Revision history:

-# Last modified: 24 Nov 2019, hui <lanhui@zjnu.edu.cn>

-

-import os, sys

-import glob

-import time

-from datetime import datetime

-from configure import HISTORY_DIR, HISTORY_DIR2, UPDATE_NETWORK_LOG_FILE, MERGED_EDGE_FILE, EDGE_POOL_DIR

-

-########## Helper functions #######################

-def write_log_file(s, fname):

-    f = open(fname, 'a')

-    curr_time = datetime.now().strftime('%Y-%m-%d %H:%M')

-    s = '[' + curr_time + ']: ' + s

-    if not '\n' in s:

-        s += '\n'

-    f.write(s)

-    f.close()

-    print('Log: %s' % (s.strip()))

-

-

-def num_line(fname):

-    ''' Return number of lines in file fname. '''

-    if not os.path.exists(fname):

-        return 0

-    f = open(fname)

-    lines = f.readlines()

-    f.close()

-    return len(lines)

-

-

-def lines_with_10_fields(s):

-    result = []

-    for line in s.split('\n'):

-        line = line.strip()

-        if len(line.split('\t')) == 10:

-            result.append(line)

-    return result

-

-

-def age_of_file_in_seconds(fname):

-    ''' Return age of fname in days. '''

-    st = os.stat(fname)

-    seconds = time.time() - st.st_mtime

-    return seconds

-

-def concatenate_edge_files(fname_lst, fname_out):

-    fout = open(fname_out, 'w')

-    for fname in fname_lst:

-        f = open(fname)

-        s = f.read()

-        f.close()

-        # Make sure each edge has 10 fields before writing.

-        lines = lines_with_10_fields(s)

-        if lines != []:

-            write_log_file('[update_network_by_force.py] In function concatenate_edge_files. File %s has %d rows with 10 columns.' % (fname, len(lines)), UPDATE_NETWORK_LOG_FILE)

-            fout.write('\n'.join(lines) + '\n')

-        else:

-            write_log_file('[update_network_by_force.py] In function concatenate_edge_files. Check file %s.  It has no rows with 10 fields.' % (fname), UPDATE_NETWORK_LOG_FILE)            

-    fout.close()

-        

-

-def delete_edge_files(fname_lst):

-    age_in_hours = 6

-    for fname in fname_lst:

-        # Before we delete, we should make sure it is not being written. Make sure it is old enough. Otherwise, don't delete.

-        if age_of_file_in_seconds(fname) > age_in_hours*60*60: # 6 hours

-            os.remove(fname)

-        else:

-            write_log_file('[update_network_by_force.py] In function delete_edge_files. Check file %s.  It is probably still being written (age less than %d hours).  So I don\'t delete it.' % (fname, age_in_hours), UPDATE_NETWORK_LOG_FILE)

-    

-########## Merge edges #######################

-# update edges.txt, a merged file from two sources, HISTORY_DIR and HISTORY_DIR2. Some new edge files are being generated ...

-time.sleep(3)

-edge_file_lst = [] # collect edge files.

-most_recent_edge_modification_time = 0

-write_log_file('[update_network_by_force.py] Look at edge files in %s.' % (HISTORY_DIR), UPDATE_NETWORK_LOG_FILE)

-for fname in glob.glob(os.path.join(HISTORY_DIR, 'edges.txt.*')): # many small edges.txt.* are to be merged

-    edge_file_lst.append(fname)

-    if os.path.getmtime(fname) > most_recent_edge_modification_time:

-        most_recent_edge_modification_time = os.path.getmtime(fname)

-

-write_log_file('[update_network_by_force.py] Look at edge files in %s.' % (HISTORY_DIR2), UPDATE_NETWORK_LOG_FILE)

-for fname in glob.glob(os.path.join(HISTORY_DIR2, 'edges.txt.*')): # edges.txt.* are to be merged

-    edge_file_lst.append(fname)

-    if os.path.getmtime(fname) > most_recent_edge_modification_time:

-        most_recent_edge_modification_time = os.path.getmtime(fname)

-

-

-if edge_file_lst == []:

-    write_log_file('[update_network_by_force.py] No edge files to merge in %s and %s.' % (HISTORY_DIR, HISTORY_DIR2), UPDATE_NETWORK_LOG_FILE)

-elif os.path.getmtime(MERGED_EDGE_FILE) < most_recent_edge_modification_time: # update edges.txt only if there are newer edges to add.

-    # concatenate edge files into one

-    write_log_file('[update_network_by_force.py] Concatenate edge files in %s and %s into one file.' % (HISTORY_DIR, HISTORY_DIR2), UPDATE_NETWORK_LOG_FILE)    

-    curr_time = datetime.now().strftime('%Y%m%d_%H%M')

-    concatenate_edge_files(edge_file_lst, os.path.join(EDGE_POOL_DIR, 'edges.txt.many.one.targets.' + curr_time))

-    delete_edge_files(edge_file_lst)

-

-if os.path.getmtime(MERGED_EDGE_FILE) < os.path.getmtime(EDGE_POOL_DIR): # edge pool directory has been updated, create new edges.txt

-    write_log_file('[update_network_by_force.py] Make a new edges.txt from edge files in %s.' % (EDGE_POOL_DIR), UPDATE_NETWORK_LOG_FILE)

-    write_log_file('[update_network_by_force.py] Number of lines in the old edges.txt: %d.' % (num_line(MERGED_EDGE_FILE)), UPDATE_NETWORK_LOG_FILE)            

-    cmd = 'python3 merge_edges.py'

-    os.system(cmd)

-    write_log_file('[update_network_by_force.py] Number of lines in the new edges.txt: %d.' % (num_line(MERGED_EDGE_FILE)), UPDATE_NETWORK_LOG_FILE)        

-    manual_copy_commands = 'Please copy files to the web application: sudo cp /home/lanhui/brain/Data/temp/edges.txt /var/www/brain/brain/static/edges/edges.txt sudo find /home/lanhui/brain/Data/temp/html_edges -name "*.html" -exec mv -t /var/www/brain/brain/static/edges {} +'

-    write_log_file('[update_network_by_force.py] %s' % (manual_copy_commands), UPDATE_NETWORK_LOG_FILE)    

-    

-

-

-write_log_file('[update_network_by_force.py] Update done at %s.\n\n' % (datetime.now().strftime('%Y-%m-%d %H:%M:%S')), UPDATE_NETWORK_LOG_FILE)

+# Usage: python3 update_network_by_force.py
+# Purpose: update_network.py could take a few days to run.  Run this script to harvest new edges everyday.
+#
+# Revision history:
+# Last modified: 24 Nov 2019, hui <lanhui@zjnu.edu.cn>
+
+import os, sys
+import glob
+import time
+from datetime import datetime
+from configure import HISTORY_DIR, HISTORY_DIR2, UPDATE_NETWORK_LOG_FILE, MERGED_EDGE_FILE, EDGE_POOL_DIR
+from backup_files import copy_and_backup_file
+
+########## Helper functions #######################
+def write_log_file(s, fname):
+    f = open(fname, 'a')
+    curr_time = datetime.now().strftime('%Y-%m-%d %H:%M')
+    s = '[' + curr_time + ']: ' + s
+    if not '\n' in s:
+        s += '\n'
+    f.write(s)
+    f.close()
+    print('Log: %s' % (s.strip()))
+
+
+def num_line(fname):
+    ''' Return number of lines in file fname. '''
+    if not os.path.exists(fname):
+        return 0
+    f = open(fname)
+    lines = f.readlines()
+    f.close()
+    return len(lines)
+
+
+def lines_with_10_fields(s):
+    result = []
+    for line in s.split('\n'):
+        line = line.strip()
+        if len(line.split('\t')) == 10:
+            result.append(line)
+    return result
+
+
+def age_of_file_in_seconds(fname):
+    ''' Return age of fname in days. '''
+    st = os.stat(fname)
+    seconds = time.time() - st.st_mtime
+    return seconds
+
+def concatenate_edge_files(fname_lst, fname_out):
+    fout = open(fname_out, 'w')
+    for fname in fname_lst:
+        f = open(fname)
+        s = f.read()
+        f.close()
+        # Make sure each edge has 10 fields before writing.
+        lines = lines_with_10_fields(s)
+        if lines != []:
+            write_log_file('[update_network_by_force.py] In function concatenate_edge_files. File %s has %d rows with 10 columns.' % (fname, len(lines)), UPDATE_NETWORK_LOG_FILE)
+            fout.write('\n'.join(lines) + '\n')
+        else:
+            write_log_file('[update_network_by_force.py] In function concatenate_edge_files. Check file %s.  It has no rows with 10 fields.' % (fname), UPDATE_NETWORK_LOG_FILE)            
+    fout.close()
+        
+
+def delete_edge_files(fname_lst):
+    age_in_hours = 6
+    for fname in fname_lst:
+        # Before we delete, we should make sure it is not being written. Make sure it is old enough. Otherwise, don't delete.
+        if age_of_file_in_seconds(fname) > age_in_hours*60*60: # 6 hours
+            os.remove(fname)
+        else:
+            write_log_file('[update_network_by_force.py] In function delete_edge_files. Check file %s.  It is probably still being written (age less than %d hours).  So I don\'t delete it.' % (fname, age_in_hours), UPDATE_NETWORK_LOG_FILE)
+    
+########## Merge edges #######################
+# update edges.txt, a merged file from two sources, HISTORY_DIR and HISTORY_DIR2. Some new edge files are being generated ...
+time.sleep(3)
+edge_file_lst = [] # collect edge files.
+most_recent_edge_modification_time = 0
+write_log_file('[update_network_by_force.py] Look at edge files in %s.' % (HISTORY_DIR), UPDATE_NETWORK_LOG_FILE)
+for fname in glob.glob(os.path.join(HISTORY_DIR, 'edges.txt.*')): # many small edges.txt.* are to be merged
+    edge_file_lst.append(fname)
+    if os.path.getmtime(fname) > most_recent_edge_modification_time:
+        most_recent_edge_modification_time = os.path.getmtime(fname)
+
+write_log_file('[update_network_by_force.py] Look at edge files in %s.' % (HISTORY_DIR2), UPDATE_NETWORK_LOG_FILE)
+for fname in glob.glob(os.path.join(HISTORY_DIR2, 'edges.txt.*')): # edges.txt.* are to be merged
+    edge_file_lst.append(fname)
+    if os.path.getmtime(fname) > most_recent_edge_modification_time:
+        most_recent_edge_modification_time = os.path.getmtime(fname)
+
+
+if edge_file_lst == []:
+    write_log_file('[update_network_by_force.py] No edge files to merge in %s and %s.' % (HISTORY_DIR, HISTORY_DIR2), UPDATE_NETWORK_LOG_FILE)
+elif os.path.getmtime(MERGED_EDGE_FILE) < most_recent_edge_modification_time: # update edges.txt only if there are newer edges to add.
+    # concatenate edge files into one
+    write_log_file('[update_network_by_force.py] Concatenate edge files in %s and %s into one file.' % (HISTORY_DIR, HISTORY_DIR2), UPDATE_NETWORK_LOG_FILE)    
+    curr_time = datetime.now().strftime('%Y%m%d_%H%M')
+    concatenate_edge_files(edge_file_lst, os.path.join(EDGE_POOL_DIR, 'edges.txt.many.one.targets.' + curr_time))
+    delete_edge_files(edge_file_lst)
+
+if os.path.getmtime(MERGED_EDGE_FILE) < os.path.getmtime(EDGE_POOL_DIR): # edge pool directory has been updated, create new edges.txt
+    write_log_file('[update_network_by_force.py] Make a new edges.txt from edge files in %s.' % (EDGE_POOL_DIR), UPDATE_NETWORK_LOG_FILE)
+    write_log_file('[update_network_by_force.py] Number of lines in the old edges.txt: %d.' % (num_line(MERGED_EDGE_FILE)), UPDATE_NETWORK_LOG_FILE)            
+    cmd = 'python3 merge_edges.py'
+    os.system(cmd)
+    write_log_file('[update_network_by_force.py] Number of lines in the new edges.txt: %d.' % (num_line(MERGED_EDGE_FILE)), UPDATE_NETWORK_LOG_FILE)        
+    manual_copy_commands = 'Please copy files to the web application: sudo cp /home/lanhui/brain/Data/temp/edges.txt /var/www/brain/brain/static/edges/edges.txt sudo find /home/lanhui/brain/Data/temp/html_edges -name "*.html" -exec mv -t /var/www/brain/brain/static/edges {} +'
+    write_log_file('[update_network_by_force.py] %s' % (manual_copy_commands), UPDATE_NETWORK_LOG_FILE)    
+    copy_and_backup_file(MERGED_EDGE_FILE, '../Analysis') # the backup file will be used for further analysis
+
+
+write_log_file('[update_network_by_force.py] Update done at %s.\n\n' % (datetime.now().strftime('%Y-%m-%d %H:%M:%S')), UPDATE_NETWORK_LOG_FILE)