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I'm still inexperienced to write high quality code, so I read books addressing the issue such as Clean Code by Robert C. Martin, and keep checking code of well-known libraries to improve my skills.

Although many open source libraries have been maintained for years, which means that it's very unlikely that they aren't on the right path, I found the code in many of them to be far from the principles addressed to write clean code – e.g methods containing hundreds of lines of code.

So my question is: Are the principles of clean code too restricted, and we can do without them in many libraries like these? If not, how are huge libraries being maintained without considering many of these principles?

I'll appreciate any brief clarification. I apologize if the question seems to be silly from a newbie guy.

EDIT

Check this example in Butterknife library – one of the most well know libraries in Android community.

I'm still inexperienced to write high quality code, so I read books addressing the issue such as Clean Code by Robert C. Martin, and keep checking code of well-known libraries to improve my skills.

Although many open source libraries have been maintained for years, which means that it's very unlikely that they aren't on the right path, I found the code in many of them to be far from the principles addressed to write clean code – e.g methods containing hundreds of lines of code.

So my question is: Are the principles of clean code too restricted, and we can do without them in many libraries like these? If not, how are huge libraries being maintained without considering many of these principles?

I'll appreciate any brief clarification. I apologize if the question seems to be silly from a newbie guy.

EDIT

Check this example in Butterknife library – one of the most well know libraries in Android community.

I'm still inexperienced to write high quality code, so I read books addressing the issue such as Clean Code by Robert C. Martin, and keep checking code of well-known libraries to improve my skills.

Although many open source libraries have been maintained for years, which means that it's very unlikely that they aren't on the right path, I found the code in many of them to be far from the principles addressed to write clean code – e.g methods containing hundreds of lines of code.

So my question is: Are the principles of clean code too restricted, and we can do without them in many libraries like these? If not, how are huge libraries being maintained without considering many of these principles?

I'll appreciate any brief clarification. I apologize if the question seems to be silly from a newbie guy.

I'm still inexperienced to write high quality code, so I read books addressing the issue such as Clean Code by Robert C. Martin, and keep checking code of well-known libraries to improve my skills.

Although many open source libraries have been maintained for years, which means that it's very unlikely that they aren't on the right path, I found the code in many of them to be far from the principles addressed to write clean code – e.g methods containing hundreds of lines of code.

So my question is: Are the principles of clean code too restricted, and we can do without them in many libraries like these? If not, how are huge libraries being maintained without considering many of these principles?

I'll appreciate any brief clarification. I apologize if the question seems to be silly from a newbie guy.

EDIT

Check this example in Butterknife library – one of the most well know libraries in Android community.

Unfortunately, I'm still inexperienced to write high quality code, so I read books addressing the issue such as Clean Code by Robert C. Martin, and keep checking code of well-known libraries to improve my skills.

Although many open source libraries have been maintained for years, which means that it's very unlikely that they aren't on the right path, I found the code in many of them to be far from the principles addressed to write clean code – e.g methods containing hundreds of lines of code.

So my question is: Are the principles of clean code too restricted, and we can do without them in many libraries like these? If not, how are huge libraries being maintained without considering many of these principles?

I'll appreciate any brief clarification. I apologize if the question seems to be silly from a newbie guy.

I'm still inexperienced to write high quality code, so I read books addressing the issue such as Clean Code by Robert C. Martin, and keep checking code of well-known libraries to improve my skills.

Although many open source libraries have been maintained for years, which means that it's very unlikely that they aren't on the right path, I found the code in many of them to be far from the principles addressed to write clean code – e.g methods containing hundreds of lines of code.

So my question is: Are the principles of clean code too restricted, and we can do without them in many libraries like these? If not, how are huge libraries being maintained without considering many of these principles?

I'll appreciate any brief clarification. I apologize if the question seems to be silly from a newbie guy.