Email Extractor is a very powerful and professional tool to extract e-mail addresses from various sources: like URL, all kinds of local text files of your device. Extract email address from website URL. Extract email address from files: text, excel, html, php, xml, json, eml, word. Email Grabber allows you to automatically extract email addresses from web sites. Fast email extractor. Email Grabber uses multiple simultaneous connections to scan multiple URLs at the same time and be as fast as possible. Easy to get started. Provide a starting web site or starting keywords using the Search Wizard and let Email Grabber do the. Our email scraper software is developed for flexible website crawling and email address collecting. These features make Email Hunter a powerful and useful tool for mass email marketing. With our web email extractor, you can extract email addresses from websites where you know your potential customers are by using keywords specific to your business.
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E N T E R __ H E R E :::
~~~>> http://search365.com.cm/5/email-extractor <<~~~
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I'm very new to programming and I don't feel confident about the readability of this program.
This program gets the text you copied then extracts phone numbers and email addresses in the text. Once those are extracted, you can paste them anywhere(Eg: notepad).
Are there any ways that I can improve this code? Any suggestions will surely be appreciated. Thanks!
There are a couple of pointers. I possibly got too ahead of myself with the solution, but hopefully, a step-by-step walkthrough clarifies everything.I am happy to answer any questions you have.
The overall suggestion is:
is a module docstring.It basically supersedes the comments of the same content that you had in your code.The module docstring is more powerful.For example, other people can invoke it with help():
I did not touch either the re import or your re.compile statements.You will have to decide for yourself if these are correct.I did however include a sample text to match against.
StringIO is used here as a sort of temporary file.When you look for and find matches, these matches should be collected, ideally in a mutable sequence like a list.This is your data.In your code, you irretrievably intertwine that data with its display, here the print of a str.You did this through string concatenation.But what if you would like to forward the list of found matches somehow, i.e. use it a second time, in another context?You cannot, because the data is mingled with the string.
As such, StringIO will be a virtual, in-memory file for us to write to.It will hold the formatting, i.e. indentations and newlines.The data will come from somewhere else and be kept separate.Since we do not need a real file, this will do.I chose this over multi-line string formatting, since that is not straightforward to do and has many caveats.
This class definition might be the trickiest part.Don't worry if you haven't learned about classes yet.It can be understood this way:
PastingIO, our new custom class, is inheriting from StringIO.This means that PastingIO will have all the functionalities of its parent, StringIO.I explained the latter earlier.The reason I did this was to extendStringIO by a simple functionality.This functionality is the function write_items_to_string.If function definitions occur in classes, they are called methods.
Methods are much like normal functions, but since they are methods of a class, they usually do something with their class.
Now, doing something with the class itself, PastingIO, is not getting us far.See, a class is like a blueprint.It contains all the instructions of how something should look like and behave.But it is not yet something substantial.A class is like a construction plan, but we are interested in the house that will be built based on that plan.The plan itself is a (to us, useless) piece of paper.
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To build the 'house', instantiation is needed.This is done in the code when we call PastingIO().The parantheses are important.It is the instruction to actually build an object from the class definition.Lastly, we give this thing a name, by just assinging it to a variable (output).More on that later.
The object we get is like StringIO, but with the added functionality.You will note that this functionality is much like the loops you defined to concatenate to the string.I created this method since those loops do identical things.Now, you won't have to repeat yourself anymore.This is in adherence to the DRY principle: don't repeat yourself.
As such, I hope write_items_to_string is self-explanatory.The self just refers to the object instance we created, output.It means that we act onoutput.In this case, imagine the write method to just write to a file, like you do with real files using with open('file.txt', 'w') as f: f.write('Hello'), only virtually.It builds and holds our output string, including all the formatting.
Here, a class is important to hold the string.A function alone cannot (rather: should not) hold onto anything (referred to as a state).
Skipping the re.compile() statements, they are unchanged.The text statement is just a sample text to work on.
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Email Address Extractor 3 4 30 Psi Pressure Relief Valve
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Bible 3 2. _
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_
I'm very new to programming and I don't feel confident about the readability of this program.
This program gets the text you copied then extracts phone numbers and email addresses in the text. Once those are extracted, you can paste them anywhere(Eg: notepad).
Are there any ways that I can improve this code? Any suggestions will surely be appreciated. Thanks!
There are a couple of pointers. I possibly got too ahead of myself with the solution, but hopefully, a step-by-step walkthrough clarifies everything.I am happy to answer any questions you have.
The overall suggestion is:
is a module docstring.It basically supersedes the comments of the same content that you had in your code.The module docstring is more powerful.For example, other people can invoke it with help():
I did not touch either the re import or your re.compile statements.You will have to decide for yourself if these are correct.I did however include a sample text to match against.
StringIO is used here as a sort of temporary file.When you look for and find matches, these matches should be collected, ideally in a mutable sequence like a list.This is your data.In your code, you irretrievably intertwine that data with its display, here the print of a str.You did this through string concatenation.But what if you would like to forward the list of found matches somehow, i.e. use it a second time, in another context?You cannot, because the data is mingled with the string.
As such, StringIO will be a virtual, in-memory file for us to write to.It will hold the formatting, i.e. indentations and newlines.The data will come from somewhere else and be kept separate.Since we do not need a real file, this will do.I chose this over multi-line string formatting, since that is not straightforward to do and has many caveats.
This class definition might be the trickiest part.Don't worry if you haven't learned about classes yet.It can be understood this way:
PastingIO, our new custom class, is inheriting from StringIO.This means that PastingIO will have all the functionalities of its parent, StringIO.I explained the latter earlier.The reason I did this was to extendStringIO by a simple functionality.This functionality is the function write_items_to_string.If function definitions occur in classes, they are called methods.
Methods are much like normal functions, but since they are methods of a class, they usually do something with their class.
Now, doing something with the class itself, PastingIO, is not getting us far.See, a class is like a blueprint.It contains all the instructions of how something should look like and behave.But it is not yet something substantial.A class is like a construction plan, but we are interested in the house that will be built based on that plan.The plan itself is a (to us, useless) piece of paper.
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To build the 'house', instantiation is needed.This is done in the code when we call PastingIO().The parantheses are important.It is the instruction to actually build an object from the class definition.Lastly, we give this thing a name, by just assinging it to a variable (output).More on that later.
The object we get is like StringIO, but with the added functionality.You will note that this functionality is much like the loops you defined to concatenate to the string.I created this method since those loops do identical things.Now, you won't have to repeat yourself anymore.This is in adherence to the DRY principle: don't repeat yourself.
As such, I hope write_items_to_string is self-explanatory.The self just refers to the object instance we created, output.It means that we act onoutput.In this case, imagine the write method to just write to a file, like you do with real files using with open('file.txt', 'w') as f: f.write('Hello'), only virtually.It builds and holds our output string, including all the formatting.
Here, a class is important to hold the string.A function alone cannot (rather: should not) hold onto anything (referred to as a state).
Skipping the re.compile() statements, they are unchanged.The text statement is just a sample text to work on.
This is the line mentioned above.output is now an instance of our custom PastingIO class.It has all the capabilities of a StringIO (much like a virtual text file), with the added write_items_to_stringmethod, capable of modifying the content of output.
This is a nested dictionary. matching_targets is a dictionary, but each of its values is also a dictionary.This affords us a neat and organized way to store all related data and functionalities, without repeating ourselves.
This is where, finally, the business happens.One key aspect I found in your code was that findall was called twice.You compiled the regex outside the loops, only once, which is great.But even findall only needs to be called once for each regex.Note that I replaced it with finditer, a simple iterator that does the same thing here.It returns matches only if you ask it to (lazy stuff), which we do in a loop.
(List) comprehensions are faster than the 'manual' equivalent using for or while loops.The list at target_dict['results'] will hold all the found strings (well, only the first found capture group).Note that we iterate over matching_targets, and thus do both emails and numbers in one sweep.The results are then found in for example matching_targets['emails']['results'], so two keys are required.
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Note that this data would not strictly have to be stored in the dict, since we do nothing with it later on.
The last line calls the write_items_to_string method of output.At first, output is empty.We write to it, and it retains its contents across those loops, building up a virtual text file.
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String concatenation in loops is usually a bad idea.Strings are immutable, that means even just appending a single letter will lead to the creation of an entirely new object.Lists are mutable.So a good alternative approach to what was done here would be to collect string components in a mutable sequence, like a list, and then joining them together once afterwards, using join.
just gets the text contents of the output object.match_summary is now a string, printed to the specifications in write_items_to_string.If you want different newlines, indentations etc., look there.
Note that if you did not want each item on a newline, and would be happy with printing the 'raw' output, that is suddenly much, much easier:
is all that is needed:
Note that I saved a print call here by just separating the arguments with a comma.They are separated according to the sep argument.
This is a common pattern used to prevent the file from running when being imported.If a Python file, i.e. module, is run directly as a script, as is the case here, its __name__ attribute will be set to '__main__'.As such, the main() function is executed, as desired.
However, notice how in the docstring explanation above, I imported your module to call help on it.In such a case, without the __name__'__main__' safeguard, the module would also run, which would then of course be undesired.As such, it is a good idea to keep modules importable.
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