Merge branch 'master' into 'day1_task1'

# Conflicts:
#   .gitignore

8 files changed, 166 insertions, 0 deletions

diff --git a/day1/task2/task2.py b/day1/task2/task2.py
new file mode 100644
index 0000000..593df5b
--- /dev/null
+++ b/day1/task2/task2.py
@@ -0,0 +1,36 @@
+import os
+
+
+CHUNK_SIZE = 1024
+
+write_path = os.path.join(os.getcwd(), 'task2_data_1.txt')
+read_path = os.path.join(os.getcwd(), 'task2_data_2.txt')
+
+try:
+    write_file = open(write_path, 'a')
+    read_file = open(read_path)
+
+except FileNotFoundError as e:
+    exception_path = str(e).strip('[Errno 2] No such file or directory:')[1:-1]
+    print(f'"{exception_path}" не существует')
+
+except PermissionError as e:
+    exception_path = str(e).strip('[Errno 13] Permission denied:')[1:-1]
+    print(f'Файл "{exception_path}" не доступен для чтения/записи')
+
+except IsADirectoryError as e:
+    exception_path = str(e).strip('[Errno 21] Is a directory:')[1:-1]
+    print(f'"{exception_path}" является директорией')
+
+else:
+    write_file.write('\n\n\n')
+
+    data = read_file.read(CHUNK_SIZE)
+    write_file.write(data)
+    while data:
+        data = read_file.read(CHUNK_SIZE)
+        write_file.write(data)
+
+    # пожалуйста не мучайте меня я не хочу писать еще три expept'a
+    os.rename('task2_data_1.txt', 'task2_data_all.txt')
+    os.remove('task2_data_2.txt')
diff --git a/day1/task2/task2_data_1.txt b/day1/task2/task2_data_1.txt
new file mode 100644
index 0000000..60a2f18
--- /dev/null
+++ b/day1/task2/task2_data_1.txt
@@ -0,0 +1 @@
+khasdjkgkjdasghdsajkfvadskghha
diff --git a/day1/task2/task2_data_2.txt b/day1/task2/task2_data_2.txt
new file mode 100644
index 0000000..ae1e9a8
--- /dev/null
+++ b/day1/task2/task2_data_2.txt
@@ -0,0 +1,4 @@
+f;ldasjgkjasdngjasdbjklfkaSMGG'
+ASDDGN
+DPAJGN
+FKLADSKF'ADSNLGNADSL;JGLJ
diff --git a/day1/task3/task3.py b/day1/task3/task3.py
new file mode 100644
index 0000000..2dae428
--- /dev/null
+++ b/day1/task3/task3.py
@@ -0,0 +1,31 @@
+import os
+
+
+file_path = input()
+
+if os.access(file_path, os.W_OK):
+    try:
+        open(file_path)
+    except IsADirectoryError:
+        print(f'Файл "{file_path}" является директорией. Завершаем работу...')
+    else:
+        print(f'Файл "{file_path}" существует и доступен для записи. Удаляем...')
+        os.remove(file_path)
+
+else:
+    try:
+        f = open(file_path, 'w', encoding='utf-8')
+    except PermissionError:
+        print(f'Путь "{file_path}" не доступен для записи.')
+        print('Завершаем работу...')
+
+    else:
+        f.write('Ало здравствуйте. Alo zdravstvuite.')
+
+        with open(file_path, encoding='cp1251') as f:
+            print(f.read())
+
+        with open(file_path, encoding='utf-8') as f:
+            print(f.read())
+
+        os.remove(file_path)
diff --git a/day1/task4/task4.py b/day1/task4/task4.py
new file mode 100644
index 0000000..2583cb4
--- /dev/null
+++ b/day1/task4/task4.py
@@ -0,0 +1,60 @@
+import string
+import re
+import os
+
+
+html_path = os.path.join(os.getcwd(), 'task4_data.html')
+
+folder_path = ''
+
+# Не знаю зачем, но в задании так написано
+try:
+    os.mkdir('../htmls')
+    folder_path = '../htmls'
+except PermissionError:
+    print('Директория на уровень выше не доступна для записи.')
+    print('Создаем папку в текущей директории...')
+    try:
+        os.mkdir('htmls')
+        folder_path = 'htmls'
+    except PermissionError:
+        print('Текущая директория не доступна для записи. Завершаем работу...')
+        quit()
+
+try:
+    html_file = open(html_path)
+    os.chdir(folder_path)
+    ascii_file = open('ascii_cleared.html', 'w', encoding='utf-8')
+    body_file = open('body_cleared.html', 'w', encoding='utf-8')
+
+except FileNotFoundError as e:
+    exception_path = str(e).strip('[Errno 2] No such file or directory:')[1:-1]
+    print(f'"{exception_path}" не существует')
+
+except PermissionError as e:
+    exception_path = str(e).strip('[Errno 13] Permission denied:')[1:-1]
+    print(f'Файл "{exception_path}" не доступен для чтения/записи')
+
+except IsADirectoryError as e:
+    exception_path = str(e).strip('[Errno 21] Is a directory:')[1:-1]
+    print(f'"{exception_path}" является директорией')
+
+else:
+    data = html_file.read()
+
+    cleared_data = ''.join(filter(lambda char: char in string.printable, data))
+    ascii_file.write(cleared_data)
+
+    ###################
+
+    body_cleared = re.sub(
+        r'<BODY>(.|\n)*?</BODY>',
+        lambda match: match.string[match.start(): match.end()].replace('\n', ''),
+        data
+    )
+
+    body_file.write(body_cleared)
+
+    html_file.close()
+    ascii_file.close()
+    body_file.close()
diff --git a/day1/task4/task4_data.html b/day1/task4/task4_data.html
new file mode 100644
index 0000000..4357c07
--- /dev/null
+++ b/day1/task4/task4_data.html
@@ -0,0 +1,13 @@
+<!DOCTYPE html PUBLIC "-//IETF//DTD HTML 2.0//EN">
+<HTML>
+   <HEAD>
+      <TITLE>
+         A Small Hello. Это по идеи заголовок.
+      </TITLE>
+   </HEAD>
+<BODY>
+   <H1>Hi я интерактивная страница</H1>
+   <P>I want to be inline, in my source code</P>
+   <P>This is very minimal "hello world" HTML document.</P>
+</BODY>
+</HTML>
diff --git a/day1/task5/task5.py b/day1/task5/task5.py
new file mode 100644
index 0000000..2869247
--- /dev/null
+++ b/day1/task5/task5.py
@@ -0,0 +1,20 @@
+import os
+
+read_path = os.path.join(os.getcwd(), 'task5_data.txt')
+write_path = os.path.join(os.getcwd(), 'task5_data_new.txt')
+
+if not os.access(read_path, os.R_OK):
+    print('Файл "{}" не доступен для чтения'.format(read_path))
+elif not os.access(write_path, os.W_OK):
+    print('Файл "{}" не доступен для записи'.format(write_path))
+
+else:
+    with open(read_path) as f:
+        print(f.read())
+
+    with open('task5_data.txt', 'rb') as input_byte, open(write_path, 'wb') as out:
+        char = input_byte.read(1)
+        while char:
+            number = int(char.hex(), 16)
+            out.write(bytes([number ^ 2]))
+            char = input_byte.read(1)
diff --git a/day1/task5/task5_data.txt b/day1/task5/task5_data.txt
new file mode 100644
index 0000000..2dfc0ba
--- /dev/null
+++ b/day1/task5/task5_data.txt
@@ -0,0 +1 @@
+12йцas
\ No newline at end of file