MatplotLib Basic programs

fileHandling/Create_binary_file.py

@@ -0,0 +1,18 @@
+#   program to create a binary file of records - Just like structure
+#   made by         : rakesh kumar
+#   Compiled on     : 8-July-2018
+
+import pickle
+list =[]
+while True:
+    roll = input("Enter student Roll No:")
+    sname  = input("Enter student Name :")
+    student = {"roll":roll,"name":sname}
+    list.append(student)
+    choice= input("Want to add more record(y/n) :")
+    if(choice=='n'):
+        break
+
+file = open("student.dat","wb")
+pickle.dump(list,file)
+file.close()

fileHandling/delete All File with extension_EXE.py

@@ -21,6 +21,7 @@ def main():
     for root, SubFolders , files in os.walk(directory):
         os.chdir(root)
         files = glob.glob('*.exe')
+        print(files)
         for filename in files:
             os.unlink(filename)
             count+=1

fileHandling/downloadPDF.py

@@ -0,0 +1,23 @@
+# program to download pdf file from any website.
+#made by        : rakesh kumar
+
+import urllib.request
+
+def download(tutorialName):
+    url = 'https://www.tutorialspoint.com/' + tutorialName + '/' + tutorialName + '_tutorial.pdf'
+    #url ="https://cbsetoday.com/wp-content/uploads/2018/05/MYSQL-ASS-4-class-XI.pdf"
+    downloadLocation = ''
+
+    pdf = urllib.request.urlopen(url)
+    saveFile = open(downloadLocation + tutorialName +  '.pdf', 'wb')  # because pdf is a binary file
+    saveFile.write(pdf.read())
+    saveFile.close()
+    print('Downloaded!')
+
+if __name__ == '__main__':
+    while True:
+        tutorialName = input('Name of the tutorial pdf to be downloaded: ')
+        download(tutorialName)
+        choice = input("Do you want to download more PDF(y/n) :")
+        if(choice =='n'):
+            break

fileHandling/read_binary_file.py

@@ -0,0 +1,9 @@
+#program to read a binary file of records - Just like structure
+#   made by         : rakesh kumar
+#   Compiled on     : 8-July-2018
+
+import pickle
+file = open("student.dat","rb")
+list = pickle.load(file)
+print(list)
+file.close()

matplotlib/bar_Graph.py

@@ -0,0 +1,9 @@
+# program to print scatter graph on the screen
+# made by        : rakesh kumar
+
+import matplotlib.pyplot as plt
+import numpy as np
+x = ['Delhi','Banglore','Chennai','Pune']
+y = [250,300,260,400]
+plt.bar(x,y)
+plt.show()

matplotlib/line_graph.py

@@ -0,0 +1,9 @@
+# program to print scatter graph on the screen
+# made by        : rakesh kumar
+
+import matplotlib.pyplot as plt
+import numpy as np
+x = ['Delhi','Banglore','Chennai','Pune']
+y = [250,300,260,400]
+plt.plot(x,y)
+plt.show()

matplotlib/pie_graph.py

@@ -0,0 +1,9 @@
+# program to print scatter graph on the screen
+# made by        : rakesh kumar
+
+import matplotlib.pyplot as plt
+import numpy as np
+x = ['Delhi','Banglore','Chennai','Pune']
+y = [250,300,260,400]
+plt.pie(y,labels= x)
+plt.show()

matplotlib/scatter_graph.py

@@ -0,0 +1,6 @@
+import matplotlib.pyplot as plt
+import numpy as np
+x = ['Delhi','Banglore','Chennai','Pune']
+y = [250,300,260,400]
+plt.scatter(x,y)
+plt.show()

webscraper/imagedownloader.py

@@ -28,24 +28,25 @@ def downloader(image_url,path):
     address = "https://www.pexels.com/search/{}".format(query)
     #webbrowser.open(address)
 
-root = tk.Tk()
-root.withdraw()
-directory = filedialog.askdirectory()  
+if __name__ == '__main__':
+    root = tk.Tk()
+    root.withdraw()
+    directory = filedialog.askdirectory()  
 
-r  = requests.get(address)
-data = r.text
-soup = BeautifulSoup(data,"html.parser")
-for link in soup.select('.js-photo-link img'):
-    name = link.get('srcset')
-    len = (name.find('?'))
-    newname = name[0:len]
-    print(newname)
-    #webbrowser.open(newname)
-    downloader(newname,directory)
-print("Download complete check your folder")
-#root = tk.Tk()
-#root.withdraw()
-#directory = filedialog.askdirectory()  #source folder
+    r  = requests.get(address)
+    data = r.text
+    soup = BeautifulSoup(data,"html.parser")
+    for link in soup.select('.js-photo-link img'):
+        name = link.get('srcset')
+        len = (name.find('?'))
+        newname = name[0:len]
+        print(newname)
+        #webbrowser.open(newname)
+        downloader(newname,directory)
+    print("Download complete check your folder")
+    #root = tk.Tk()
+    #root.withdraw()
+    #directory = filedialog.askdirectory()  #source folder
 
-#url ="http://www.binarynote.com/wp-content/themes/binarynote3/images/main.jpg"
-#downloader(link.get(srcset,directory))
+    #url ="http://www.binarynote.com/wp-content/themes/binarynote3/images/main.jpg"
+    #downloader(link.get(srcset,directory))

webscraper/wikipedia.py

@@ -0,0 +1,12 @@
+# python program to download wikipedia page
+# made by       : rakesh kumar
+
+
+import requests
+req = requests.post('https://binarynote.com', data = {'search':'wordpress'})
+req.raise_for_status()
+with open('wordpress.html', 'wb') as fd:
+    for chunk in req.iter_content(chunk_size=50000):
+        fd.write(chunk)
+
+print("File generated...")