10000 Merge pull request #2 from neryuuk/chapter3 · neryuuk/learning-python@a5cd3e8 · GitHub
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Merge pull request #2 from neryuuk/chapter3
Chapter3
2 parents b155ad0 + 57b522d commit a5cd3e8

11 files changed

+154
-156
lines changed

‎Ch3 - Files/challenge_files.py

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# Create directory results
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# Create file results.txt within directory
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# Write into the created file
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# total byte count of all files
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# the listing of files from current directory
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from os import listdir, mkdir, path
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def main():
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createDirectory("results")
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writeData(computeData("./"), "results/results.txt")
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def createDirectory(name):
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try:
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mkdir(name)
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except FileExistsError:
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print("Folder '{}' already exists".format(name))
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except Exception as e:
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print("Could not create directory: {}".format(e))
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exit(1)
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def writeData(data, filePath):
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with open(filePath, "w+") as results:
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if results.mode == "w+":
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results.write("Total bytecount: {}\n".format(data[0]))
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results.write("Files list:\n")
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results.write("--------------\n")
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results.write("{}\n".format("\n".join(data[1])))
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results.close()
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def computeData(dir):
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bytecount = 0
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files = []
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for item in listdir(dir):
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if path.isfile(item):
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bytecount += path.getsize(item)
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files.append(item)
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return bytecount, files
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if __name__ == "__main__":
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main()

‎Ch3 - Files/challenge_solution.py

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This file was deleted.

‎Ch3 - Files/files_finished.py

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‎Ch3 - Files/files_start.py

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#
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66

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def main():
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def main():
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# Open a file for writing and create it if it doesn't exist
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# myfile = open("textfile.txt", "w+")
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# Open the file for appending text to the end
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# myfile = open("textfile.txt", "a+")
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# write some lines of data to the file
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# for i in range(10):
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# myfile.write("This is some new text\n")
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# close the file when done
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# myfile.close()
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# Open the file back up and read the contents
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myfile = open("textfile.txt", "r")
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# if myfile.mode == 'r':
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# contents = myfile.read()
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# print(contents)
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if myfile.mode == 'r':
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lines = myfile.readlines()
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for line in lines:
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print(line)
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if __name__ == "__main__":
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main()

‎Ch3 - Files/newfile.txt

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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text

‎Ch3 - Files/ospathutils_finished.py

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This file was deleted.

‎Ch3 - Files/ospathutils_start.py

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def main():
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# Print the name of the OS
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print(os.name)
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# Check for item existence and type
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print("Item exists: {}".format(path.exists("textfile.txt")))
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print("Item is a file: {}".format(path.isfile("textfile.txt")))
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print("Item is a directory: {}".format(path.isdir("textfile.txt")))
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# Work with file paths
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print("Item's path is: {}".format(path.realpath("textfile.txt")))
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print("Item's path and name: {}".format(
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path.split(path.realpath("textfile.txt"))
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))
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# Get the modification time
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t = time.ctime(path.getmtime("textfile.txt"))
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print(t)
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print(datetime.datetime.fromtimestamp(path.getmtime("textfile.txt")))
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# Calculate how long ago the item was modified
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td = datetime.datetime.now() - datetime.datetime.fromtimestamp(path.getmtime("textfile.txt"))
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print("It has been {} since the file was modified".format(td))
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print("Or, {} seconds".format(td.total_seconds()))
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if __name__ == "__main__":
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main()

‎Ch3 - Files/shell_finished.py

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‎Ch3 - Files/shell_start.py

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#
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import os
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import shutil
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from os import path
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from shutil import make_archive
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from zipfile import ZipFile
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def main():
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# make a duplicate of an existing file
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if path.exists("textfile.txt"):
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if path.exists("textfile.txt.bak"):
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# get the path to the file in the current directory
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src = path.realpath("textfile.txt.bak")
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# let's make a backup copy by appending "bak" to the name
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# dst = src + ".bak"
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# shutil.copy(src, dst)
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# rename the original file
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# os.rename(src, "newfile.txt")
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# now put things into a ZIP archive
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# root_dir, _ = path.split(src)
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# make_archive("archive", "zip", root_dir)
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# more fine-grained control over ZIP files
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with ZipFile("test_zip.zip", "w") as newzip:
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newzip.write("newfile.txt")
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newzip.write("textfile.txt.bak")
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if __name__ == "__main__":
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main()

‎Ch3 - Files/textfile.txt

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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text
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This is some new text

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