Created
September 1, 2019 08:06
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Filter the files from datalake based on the parameters
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import os | |
from datetime import * | |
class FilesFilter(): | |
""" | |
filter to get file list in a folder, which file modification time between[start_date,end_date] | |
""" | |
@staticmethod | |
def get_files_list(path_to_folder,start_date=None,end_date=None): | |
file_list = [] | |
if start_date and end_date: | |
if isinstance(start_date,date) and isinstance(end_date,date): | |
folder_file_list = os.listdir(path_to_folder) | |
for f in folder_file_list: | |
#print os.path.getmtime(f) | |
file_mtime = date.fromtimestamp(os.path.getmtime(f)) | |
if start_date <= file_mtime <= end_date: | |
file_list.append(os.path.join(path_to_folder,f)) | |
else: | |
print 'start or end datetime format error!' | |
else: | |
folder_file_list = os.listdir(path_to_folder) | |
for f in folder_file_list: | |
file_list.append(os.path.join(path_to_folder,f)) | |
return file_list | |
@staticmethod | |
def get_files_after_a_modified_timestamp(path_to_folder,modified_timestamp=None,startswith=r''): | |
if (not isinstance(modified_timestamp,datetime)) or (not modified_timestamp): | |
print 'parameter modified_timestamp error!' | |
print modified_timestamp | |
file_list = [] | |
folder_file_list = os.listdir(path_to_folder) | |
filted_file_list = [] | |
for item in folder_file_list: | |
if item.startswith(startswith): | |
filted_file_list.append(os.path.join(path_to_folder,item)) | |
for f in filted_file_list: | |
if (not modified_timestamp) or (modified_timestamp < datetime.fromtimestamp(os.path.getmtime(f))): | |
file_list.append(f) | |
return file_list | |
@staticmethod | |
def get_latest_modified_timestamp(path_to_folder,startswith=r''): | |
latest_modified_timestamp = 0 | |
folder_file_list = os.listdir(path_to_folder) | |
filted_file_list = [] | |
for item in folder_file_list: | |
if item.startswith(startswith): | |
filted_file_list.append(os.path.join(path_to_folder,item)) | |
for f in filted_file_list: | |
if os.path.getmtime(f) > latest_modified_timestamp: | |
latest_modified_timestamp = os.path.getmtime(f) | |
#print latest_modified_timestamp | |
return datetime.fromtimestamp(latest_modified_timestamp) | |
def test(): | |
#files_filter = FilesFilter() | |
start = '2016-05-19' | |
end = '2016-05-21' | |
start_date = datetime.strptime(start,'%Y-%m-%d').date() | |
end_date = datetime.strptime(end,'%Y-%m-%d').date() | |
#print end_date < start_date | |
print FilesFilter.get_files_list('.',start_date,end_date) | |
lis_in_log_folder = r'D:\01_Automation\23_Experiential_Conclusions_2016\19_Anhui_Provicial_Hospital\Log\trl\LIS_Translator_in' | |
lis_in_log_file_list = FilesFilter.get_files_list(lis_in_log_folder) | |
print lis_in_log_file_list | |
''' | |
# datetime and string conversion... | |
start = '2016-05-20' | |
end = '2016-05-21' | |
start_date = datetime.strptime(start,'%Y-%m-%d').date() | |
end_date = datetime.strptime(end,'%Y-%m-%d').date() | |
print start_date,end_date | |
''' | |
def test2(): | |
directory = r"F:\Zhongshan\log_aptio_20161110\Log" | |
modified_timestamp = 1479292284.55 | |
files_arrays = FilesFilter.get_files_after_a_modified_timestamp(directory,modified_timestamp,'CONTROL') | |
print files_arrays | |
def test3(): | |
directory = r"F:\Zhongshan\log_aptio_20161110\Log" | |
print 'latest file timestamp:', FilesFilter.get_latest_modified_timestamp(directory,'CONTROL') | |
print 'mtime for control.txt', os.path.getmtime(r'F:\Zhongshan\log_aptio_20161110\Log\control.txt') | |
if __name__ == '__main__': | |
test2() | |
test3() | |
#print os.listdir(r'D:\01_Automation\23_Experiential_Conclusions_2016\19_Anhui_Provicial_Hospital\Log\trl') |
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